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<div id="projectname">libdap++ <span id="projectnumber">Updated for version 3.8.2</span></div>
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<h1>Connect.cc</h1> </div>
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<a href="Connect_8cc.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00002"></a>00002 <span class="comment">// -*- mode: c++; c-basic-offset:4 -*-</span>
<a name="l00003"></a>00003
<a name="l00004"></a>00004 <span class="comment">// This file is part of libdap, A C++ implementation of the OPeNDAP Data</span>
<a name="l00005"></a>00005 <span class="comment">// Access Protocol.</span>
<a name="l00006"></a>00006
<a name="l00007"></a>00007 <span class="comment">// Copyright (c) 2002,2003 OPeNDAP, Inc.</span>
<a name="l00008"></a>00008 <span class="comment">// Author: James Gallagher <jgallagher@opendap.org></span>
<a name="l00009"></a>00009 <span class="comment">// Dan Holloway <dholloway@gso.uri.edu></span>
<a name="l00010"></a>00010 <span class="comment">// Reza Nekovei <reza@intcomm.net></span>
<a name="l00011"></a>00011 <span class="comment">//</span>
<a name="l00012"></a>00012 <span class="comment">// This library is free software; you can redistribute it and/or</span>
<a name="l00013"></a>00013 <span class="comment">// modify it under the terms of the GNU Lesser General Public</span>
<a name="l00014"></a>00014 <span class="comment">// License as published by the Free Software Foundation; either</span>
<a name="l00015"></a>00015 <span class="comment">// version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00016"></a>00016 <span class="comment">//</span>
<a name="l00017"></a>00017 <span class="comment">// This library is distributed in the hope that it will be useful,</span>
<a name="l00018"></a>00018 <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00019"></a>00019 <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00020"></a>00020 <span class="comment">// Lesser General Public License for more details.</span>
<a name="l00021"></a>00021 <span class="comment">//</span>
<a name="l00022"></a>00022 <span class="comment">// You should have received a copy of the GNU Lesser General Public</span>
<a name="l00023"></a>00023 <span class="comment">// License along with this library; if not, write to the Free Software</span>
<a name="l00024"></a>00024 <span class="comment">// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
<a name="l00025"></a>00025 <span class="comment">//</span>
<a name="l00026"></a>00026 <span class="comment">// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.</span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="comment">// (c) COPYRIGHT URI/MIT 1994-2002</span>
<a name="l00029"></a>00029 <span class="comment">// Please read the full copyright statement in the file COPYRIGHT_URI.</span>
<a name="l00030"></a>00030 <span class="comment">//</span>
<a name="l00031"></a>00031 <span class="comment">// Authors:</span>
<a name="l00032"></a>00032 <span class="comment">// jhrg,jimg James Gallagher <jgallagher@gso.uri.edu></span>
<a name="l00033"></a>00033 <span class="comment">// dan Dan Holloway <dholloway@gso.uri.edu></span>
<a name="l00034"></a>00034 <span class="comment">// reza Reza Nekovei <reza@intcomm.net></span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="preprocessor">#include "<a class="code" href="config_8h.html">config.h</a>"</span>
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="comment">//#define DODS_DEBUG</span>
<a name="l00040"></a><a class="code" href="Connect_8cc.html#a17b2c419b8632438a2058df948bd87c7">00040</a> <span class="preprocessor">#define FILE_METHODS 1</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span>
<a name="l00042"></a>00042 <span class="keyword">static</span> <span class="keywordtype">char</span> rcsid[] <a class="code" href="config_8h.html#a05e109ec893d0b12023d5b0cf4f718c4">not_used</a> =
<a name="l00043"></a>00043 { <span class="stringliteral">"$Id: Connect.cc 22703 2010-05-11 18:10:01Z jimg $"</span>
<a name="l00044"></a>00044 };
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="preprocessor">#include <cstring></span>
<a name="l00047"></a>00047 <span class="preprocessor">#include <fstream></span>
<a name="l00048"></a>00048 <span class="preprocessor">#include <algorithm></span>
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="preprocessor">#include "<a class="code" href="debug_8h.html">debug.h</a>"</span>
<a name="l00051"></a>00051 <span class="preprocessor">#include "<a class="code" href="DataDDS_8h.html">DataDDS.h</a>"</span>
<a name="l00052"></a>00052 <span class="preprocessor">#include "<a class="code" href="Connect_8h.html">Connect.h</a>"</span>
<a name="l00053"></a>00053 <span class="preprocessor">#include "<a class="code" href="escaping_8h.html">escaping.h</a>"</span>
<a name="l00054"></a>00054 <span class="preprocessor">#include "<a class="code" href="RCReader_8h.html">RCReader.h</a>"</span>
<a name="l00055"></a>00055 <span class="preprocessor">#include "<a class="code" href="DDXParserSAX2_8h.html">DDXParserSAX2.h</a>"</span>
<a name="l00056"></a>00056 <span class="preprocessor">#if FILE_METHODS</span>
<a name="l00057"></a>00057 <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="XDRFileUnMarshaller_8h.html">XDRFileUnMarshaller.h</a>"</span>
<a name="l00058"></a>00058 <span class="preprocessor">#else</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#include "fdiostream.h"</span>
<a name="l00060"></a>00060 <span class="preprocessor">#include "<a class="code" href="XDRStreamUnMarshaller_8h.html">XDRStreamUnMarshaller.h</a>"</span>
<a name="l00061"></a>00061 <span class="preprocessor">#endif</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="mime__util_8h.html">mime_util.h</a>"</span>
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="keyword">using</span> std::cerr;
<a name="l00065"></a>00065 <span class="keyword">using</span> std::endl;
<a name="l00066"></a>00066 <span class="keyword">using</span> std::ifstream;
<a name="l00067"></a>00067 <span class="keyword">using</span> std::ofstream;
<a name="l00068"></a>00068 <span class="keyword">using</span> std::min;
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="keyword">namespace </span>libdap {
<a name="l00071"></a>00071
<a name="l00074"></a>00074 <span class="keywordtype">void</span>
<a name="l00075"></a>00075 Connect::process_data(DataDDS &data, Response *rs)
<a name="l00076"></a>00076 {
<a name="l00077"></a>00077 <a class="code" href="debug_8h.html#a32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"Entering Connect::process_data"</span> << endl);
<a name="l00078"></a>00078
<a name="l00079"></a>00079 data.set_version(rs->get_version());
<a name="l00080"></a>00080 data.set_protocol(rs->get_protocol());
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <a class="code" href="debug_8h.html#a32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"Entering process_data: d_stream = "</span> << rs << endl);
<a name="l00083"></a>00083 <span class="keywordflow">switch</span> (rs->get_type()) {
<a name="l00084"></a>00084 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aa742dd62797a6ff77549a1803a4e77d79">dods_error</a>: {
<a name="l00085"></a>00085 Error e;
<a name="l00086"></a>00086 <span class="keywordflow">if</span> (!e.parse(rs->get_stream()))
<a name="l00087"></a>00087 <span class="keywordflow">throw</span> InternalErr(__FILE__, __LINE__,
<a name="l00088"></a>00088 <span class="stringliteral">"Could not parse the Error object returned by the server!"</span>);
<a name="l00089"></a>00089 <span class="keywordflow">throw</span> e;
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aaa4a8434126fdf1a42a77c74409973b54">web_error</a>:
<a name="l00093"></a>00093 <span class="comment">// Web errors (those reported in the return document's MIME header)</span>
<a name="l00094"></a>00094 <span class="comment">// are processed by the WWW library.</span>
<a name="l00095"></a>00095 <span class="keywordflow">throw</span> InternalErr(__FILE__, __LINE__, <span class="stringliteral">"An error was reported by the remote httpd; this should have been processed by HTTPConnect.."</span>);
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aae2070a684067288a7ad65cb671c73a26">dap4_data_ddx</a>: {
<a name="l00098"></a>00098 <span class="comment">// Parse the DDX; throw an exception on error.</span>
<a name="l00099"></a>00099 DDXParser ddx_parser(data.get_factory());
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="comment">// Read the MPM boundary and then read the subsequent headers</span>
<a name="l00102"></a>00102 <span class="keywordtype">string</span> boundary = <a class="code" href="namespacelibdap.html#ae06585f4af69dae8595002949b3e29f5">read_multipart_boundary</a>(rs->get_stream());
<a name="l00103"></a>00103 <a class="code" href="debug_8h.html#a32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"MPM Boundary: "</span> << boundary << endl);
<a name="l00104"></a>00104 <a class="code" href="namespacelibdap.html#a96c1d42b551af831c26287053386e244">read_multipart_headers</a>(rs->get_stream(), <span class="stringliteral">"text/xml"</span>, <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aa605a335e5665d5f3ac75cacf42a15ae8">dap4_ddx</a>);
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="comment">// Parse the DDX, reading up to and including the next boundary.</span>
<a name="l00107"></a>00107 <span class="comment">// Return the CID for the matching data part</span>
<a name="l00108"></a>00108 <span class="keywordtype">string</span> data_cid;
<a name="l00109"></a>00109 ddx_parser.intern_stream(rs->get_stream(), &data, data_cid, boundary);
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="comment">// Munge the CID into something we can work with</span>
<a name="l00112"></a>00112 data_cid = <a class="code" href="namespacelibdap.html#a6267c527b6792dccd24212308645026f">cid_to_header_value</a>(data_cid);
<a name="l00113"></a>00113 <a class="code" href="debug_8h.html#a32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"Data CID: "</span> << data_cid << endl);
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="comment">// Read the data part's MPM part headers (boundary was read by</span>
<a name="l00116"></a>00116 <span class="comment">// DDXParse::intern)</span>
<a name="l00117"></a>00117 <a class="code" href="namespacelibdap.html#a96c1d42b551af831c26287053386e244">read_multipart_headers</a>(rs->get_stream(),
<a name="l00118"></a>00118 <span class="stringliteral">"application/octet-stream"</span>, <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aa3024d0ef2b1d655dedba800665b7f513">dap4_data</a>, data_cid);
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="comment">// Now read the data</span>
<a name="l00121"></a>00121 <span class="preprocessor">#if FILE_METHODS</span>
<a name="l00122"></a>00122 <span class="preprocessor"></span> XDRFileUnMarshaller um( rs->get_stream() ) ;
<a name="l00123"></a>00123 <span class="preprocessor">#else</span>
<a name="l00124"></a>00124 <span class="preprocessor"></span> fpistream in ( rs->get_stream() );
<a name="l00125"></a>00125 XDRStreamUnMarshaller um( in ) ;
<a name="l00126"></a>00126 <span class="preprocessor">#endif</span>
<a name="l00127"></a>00127 <span class="preprocessor"></span> <span class="keywordflow">try</span> {
<a name="l00128"></a>00128 <span class="keywordflow">for</span> (<a class="code" href="classlibdap_1_1DDS.html#a5140f67d8f7eecf0a260d8a5d9fc39c5">DDS::Vars_iter</a> i = data.var_begin(); i != data.var_end();
<a name="l00129"></a>00129 i++) {
<a name="l00130"></a>00130 (*i)->deserialize(um, &data);
<a name="l00131"></a>00131 }
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133 <span class="keywordflow">catch</span> (Error &e) {
<a name="l00134"></a>00134 <span class="keywordflow">throw</span> e;
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="keywordflow">return</span>;
<a name="l00138"></a>00138 }
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aa81aaa5f03d4278cb44a2148d13384710">dods_data</a>:
<a name="l00141"></a>00141 <span class="keywordflow">default</span>: {
<a name="l00142"></a>00142 <span class="comment">// Parse the DDS; throw an exception on error.</span>
<a name="l00143"></a>00143 data.parse(rs->get_stream());
<a name="l00144"></a>00144 <span class="preprocessor">#if FILE_METHODS</span>
<a name="l00145"></a>00145 <span class="preprocessor"></span> XDRFileUnMarshaller um( rs->get_stream() ) ;
<a name="l00146"></a>00146 <span class="preprocessor">#else</span>
<a name="l00147"></a>00147 <span class="preprocessor"></span> fpistream in ( rs->get_stream() );
<a name="l00148"></a>00148 XDRStreamUnMarshaller um( in ) ;
<a name="l00149"></a>00149 <span class="preprocessor">#endif</span>
<a name="l00150"></a>00150 <span class="preprocessor"></span> <span class="comment">// Load the DDS with data.</span>
<a name="l00151"></a>00151 <span class="keywordflow">try</span> {
<a name="l00152"></a>00152 <span class="keywordflow">for</span> (<a class="code" href="classlibdap_1_1DDS.html#a5140f67d8f7eecf0a260d8a5d9fc39c5">DDS::Vars_iter</a> i = data.var_begin(); i != data.var_end();
<a name="l00153"></a>00153 i++) {
<a name="l00154"></a>00154 (*i)->deserialize(um, &data);
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156 }
<a name="l00157"></a>00157 <span class="keywordflow">catch</span> (Error &e) {
<a name="l00158"></a>00158 <span class="keywordflow">throw</span> e;
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160
<a name="l00161"></a>00161 <span class="keywordflow">return</span>;
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165
<a name="l00166"></a>00166 <span class="comment">// Barely a parser... This is used when reading from local sources of DODS</span>
<a name="l00167"></a>00167 <span class="comment">// Data objects. It simulates the important actions of the libwww MIME header</span>
<a name="l00168"></a>00168 <span class="comment">// parser. Those actions fill in certain fields in the Connect object. jhrg</span>
<a name="l00169"></a>00169 <span class="comment">// 5/20/97</span>
<a name="l00170"></a>00170 <span class="comment">//</span>
<a name="l00171"></a>00171 <span class="comment">// Make sure that this parser reads from data_source without disturbing the</span>
<a name="l00172"></a>00172 <span class="comment">// information in data_source that follows the MIME header. Since the DDS</span>
<a name="l00173"></a>00173 <span class="comment">// (which follows the MIME header) is parsed by a flex/bison scanner/parser,</span>
<a name="l00174"></a>00174 <span class="comment">// make sure to use I/O calls that will mesh with ANSI C I/O calls. In the</span>
<a name="l00175"></a>00175 <span class="comment">// old GNU libg++, the C++ calls were synchronized with the C calls, but that</span>
<a name="l00176"></a>00176 <span class="comment">// may no longer be the case. 5/31/99 jhrg</span>
<a name="l00177"></a>00177
<a name="l00187"></a>00187 <span class="keywordtype">void</span>
<a name="l00188"></a>00188 Connect::parse_mime(Response *rs)
<a name="l00189"></a>00189 {
<a name="l00190"></a>00190 rs->set_version(<span class="stringliteral">"dods/0.0"</span>); <span class="comment">// initial value; for backward compatibility.</span>
<a name="l00191"></a>00191 rs->set_protocol(<span class="stringliteral">"2.0"</span>);
<a name="l00192"></a>00192
<a name="l00193"></a>00193 FILE *data_source = rs->get_stream();
<a name="l00194"></a>00194 <span class="keywordtype">string</span> mime = <a class="code" href="namespacelibdap.html#a138ad983bab51cd81239f2e3d0572486">get_next_mime_header</a>(data_source);
<a name="l00195"></a>00195 <span class="keywordflow">while</span> (!mime.empty()) {
<a name="l00196"></a>00196 <span class="keywordtype">string</span> header, value;
<a name="l00197"></a>00197 <a class="code" href="namespacelibdap.html#a3853818a415408fd980e8f3a9321d5d8">parse_mime_header</a>(mime, header, value);
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="comment">// Note that this is an ordered list</span>
<a name="l00200"></a>00200 <span class="keywordflow">if</span> (header == <span class="stringliteral">"content-description:"</span>) {
<a name="l00201"></a>00201 <a class="code" href="debug_8h.html#a32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cout << header << <span class="stringliteral">": "</span> << value << endl);
<a name="l00202"></a>00202 rs->set_type(<a class="code" href="namespacelibdap.html#a284c1c548cbcea75bb1b7c8374dc04e9">get_description_type</a>(value));
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204 <span class="comment">// Use the value of xdods-server only if no other value has been read</span>
<a name="l00205"></a>00205 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (header == <span class="stringliteral">"xdods-server:"</span>
<a name="l00206"></a>00206 && rs->get_version() == <span class="stringliteral">"dods/0.0"</span>) {
<a name="l00207"></a>00207 <a class="code" href="debug_8h.html#a32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cout << header << <span class="stringliteral">": "</span> << value << endl);
<a name="l00208"></a>00208 rs->set_version(value);
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210 <span class="comment">// This trumps 'xdods-server' and 'server'</span>
<a name="l00211"></a>00211 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (header == <span class="stringliteral">"xopendap-server:"</span>) {
<a name="l00212"></a>00212 <a class="code" href="debug_8h.html#a32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cout << header << <span class="stringliteral">": "</span> << value << endl);
<a name="l00213"></a>00213 rs->set_version(value);
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (header == <span class="stringliteral">"xdap:"</span>) {
<a name="l00216"></a>00216 <a class="code" href="debug_8h.html#a32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cout << header << <span class="stringliteral">": "</span> << value << endl);
<a name="l00217"></a>00217 rs->set_protocol(value);
<a name="l00218"></a>00218 }
<a name="l00219"></a>00219 <span class="comment">// Only look for 'server' if no other header supplies this info.</span>
<a name="l00220"></a>00220 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (rs->get_version() == <span class="stringliteral">"dods/0.0"</span> && header == <span class="stringliteral">"server:"</span>) {
<a name="l00221"></a>00221 <a class="code" href="debug_8h.html#a32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cout << header << <span class="stringliteral">": "</span> << value << endl);
<a name="l00222"></a>00222 rs->set_version(value);
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224
<a name="l00225"></a>00225 mime = <a class="code" href="namespacelibdap.html#a138ad983bab51cd81239f2e3d0572486">get_next_mime_header</a>(data_source);
<a name="l00226"></a>00226 }
<a name="l00227"></a>00227 }
<a name="l00228"></a>00228
<a name="l00229"></a>00229 <span class="comment">// public mfuncs</span>
<a name="l00230"></a>00230
<a name="l00238"></a><a class="code" href="classlibdap_1_1Connect.html#a03b8c9f6773a25c3c837b9890099d5e8">00238</a> <a class="code" href="classlibdap_1_1Connect.html#a519d36213fc5f0fefc0c11a6b131beb8">Connect::Connect</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &n, <span class="keywordtype">string</span> uname, <span class="keywordtype">string</span> password)
<a name="l00239"></a>00239 <span class="keywordflow">throw</span>(<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a>, <a class="code" href="classlibdap_1_1InternalErr.html" title="A class for software fault reporting.">InternalErr</a>)
<a name="l00240"></a>00240 : d_http(0), d_version(<span class="stringliteral">"unknown"</span>), d_protocol(<span class="stringliteral">"2.0"</span>)
<a name="l00241"></a>00241 {
<a name="l00242"></a>00242 <span class="keywordtype">string</span> name = <a class="code" href="namespacelibdap.html#a4b1fc86f3e9e75f967ad66f07962d406">prune_spaces</a>(n);
<a name="l00243"></a>00243
<a name="l00244"></a>00244 <span class="comment">// Figure out if the URL starts with 'http', if so, make sure that we</span>
<a name="l00245"></a>00245 <span class="comment">// talk to an instance of HTTPConnect.</span>
<a name="l00246"></a>00246 <span class="keywordflow">if</span> (name.find(<span class="stringliteral">"http"</span>) == 0) {
<a name="l00247"></a>00247 <a class="code" href="debug_8h.html#a32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"Connect: The identifier is an http URL"</span> << endl);
<a name="l00248"></a>00248 d_http = <span class="keyword">new</span> <a class="code" href="classlibdap_1_1HTTPConnect.html">HTTPConnect</a>(<a class="code" href="classlibdap_1_1RCReader.html#a8272ec2f2eae73a038d21bfcd0c23fd3">RCReader::instance</a>());
<a name="l00249"></a>00249
<a name="l00250"></a>00250 <span class="comment">// Find and store any CE given with the URL.</span>
<a name="l00251"></a>00251 string::size_type dotpos = name.find(<span class="charliteral">'?'</span>);
<a name="l00252"></a>00252 <span class="keywordflow">if</span> (dotpos != name.npos) {
<a name="l00253"></a>00253 _URL = name.substr(0, dotpos);
<a name="l00254"></a>00254 <span class="keywordtype">string</span> expr = name.substr(dotpos + 1);
<a name="l00255"></a>00255
<a name="l00256"></a>00256 dotpos = expr.find(<span class="charliteral">'&'</span>);
<a name="l00257"></a>00257 <span class="keywordflow">if</span> (dotpos != expr.npos) {
<a name="l00258"></a>00258 _proj = expr.substr(0, dotpos);
<a name="l00259"></a>00259 _sel = expr.substr(dotpos); <span class="comment">// XXX includes '&'</span>
<a name="l00260"></a>00260 }
<a name="l00261"></a>00261 <span class="keywordflow">else</span> {
<a name="l00262"></a>00262 _proj = expr;
<a name="l00263"></a>00263 _sel = <span class="stringliteral">""</span>;
<a name="l00264"></a>00264 }
<a name="l00265"></a>00265 }
<a name="l00266"></a>00266 <span class="keywordflow">else</span> {
<a name="l00267"></a>00267 _URL = name;
<a name="l00268"></a>00268 _proj = <span class="stringliteral">""</span>;
<a name="l00269"></a>00269 _sel = <span class="stringliteral">""</span>;
<a name="l00270"></a>00270 }
<a name="l00271"></a>00271
<a name="l00272"></a>00272 _local = <span class="keyword">false</span>;
<a name="l00273"></a>00273 }
<a name="l00274"></a>00274 <span class="keywordflow">else</span> {
<a name="l00275"></a>00275 <a class="code" href="debug_8h.html#a32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"Connect: The identifier is a local data source."</span> << endl);
<a name="l00276"></a>00276
<a name="l00277"></a>00277 d_http = 0;
<a name="l00278"></a>00278 _URL = <span class="stringliteral">""</span>;
<a name="l00279"></a>00279 _local = <span class="keyword">true</span>; <span class="comment">// local in this case means non-DAP</span>
<a name="l00280"></a>00280 }
<a name="l00281"></a>00281
<a name="l00282"></a>00282 set_credentials(uname, password);
<a name="l00283"></a>00283 }
<a name="l00284"></a>00284
<a name="l00285"></a><a class="code" href="classlibdap_1_1Connect.html#acacffa987a2d9a36f355dd471970fdcf">00285</a> <a class="code" href="classlibdap_1_1Connect.html#acacffa987a2d9a36f355dd471970fdcf">Connect::~Connect</a>()
<a name="l00286"></a>00286 {
<a name="l00287"></a>00287 <a class="code" href="debug_8h.html#ac1f764c266c50f0050e33557004c914c">DBG2</a>(cerr << <span class="stringliteral">"Entering the Connect dtor"</span> << endl);
<a name="l00288"></a>00288
<a name="l00289"></a>00289 <span class="keywordflow">if</span> (d_http)
<a name="l00290"></a>00290 <span class="keyword">delete</span> d_http; d_http = 0;
<a name="l00291"></a>00291
<a name="l00292"></a>00292 <a class="code" href="debug_8h.html#ac1f764c266c50f0050e33557004c914c">DBG2</a>(cerr << <span class="stringliteral">"Leaving the Connect dtor"</span> << endl);
<a name="l00293"></a>00293 }
<a name="l00294"></a>00294
<a name="l00302"></a>00302 <span class="keywordtype">string</span>
<a name="l00303"></a><a class="code" href="classlibdap_1_1Connect.html#ac7a5896a09882004b75e581999940526">00303</a> <a class="code" href="classlibdap_1_1Connect.html#ac7a5896a09882004b75e581999940526">Connect::request_version</a>()
<a name="l00304"></a>00304 {
<a name="l00305"></a>00305 <span class="keywordtype">string</span> version_url = _URL + <span class="stringliteral">".ver"</span>;
<a name="l00306"></a>00306 <span class="keywordflow">if</span> (_proj.length() + _sel.length())
<a name="l00307"></a>00307 version_url = version_url + <span class="stringliteral">"?"</span> + <a class="code" href="namespacelibdap.html#adc33774947740cc181b6d4d7ca90e22d">id2www_ce</a>(_proj + _sel);
<a name="l00308"></a>00308
<a name="l00309"></a>00309 <a class="code" href="classlibdap_1_1Response.html">Response</a> *rs = 0;
<a name="l00310"></a>00310 <span class="keywordflow">try</span> {
<a name="l00311"></a>00311 rs = d_http-><a class="code" href="classlibdap_1_1HTTPConnect.html#a5e3558838e245a96c9392b33ef4ba298">fetch_url</a>(version_url);
<a name="l00312"></a>00312 }
<a name="l00313"></a>00313 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00314"></a>00314 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00315"></a>00315 <span class="keywordflow">throw</span> e;
<a name="l00316"></a>00316 }
<a name="l00317"></a>00317
<a name="l00318"></a>00318 d_version = rs-><a class="code" href="classlibdap_1_1Response.html#a654eedafce6ecb816324713150914fec">get_version</a>();
<a name="l00319"></a>00319 d_protocol = rs-><a class="code" href="classlibdap_1_1Response.html#ae33bebc83bcfbd2bf958697e4516b2d7">get_protocol</a>();
<a name="l00320"></a>00320
<a name="l00321"></a>00321 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00322"></a>00322
<a name="l00323"></a>00323 <span class="keywordflow">return</span> d_version;
<a name="l00324"></a>00324 }
<a name="l00325"></a>00325
<a name="l00337"></a>00337 <span class="keywordtype">string</span>
<a name="l00338"></a><a class="code" href="classlibdap_1_1Connect.html#aaa1ab562899da9a4630de01f943d1aa9">00338</a> <a class="code" href="classlibdap_1_1Connect.html#aaa1ab562899da9a4630de01f943d1aa9">Connect::request_protocol</a>()
<a name="l00339"></a>00339 {
<a name="l00340"></a>00340 <span class="keywordtype">string</span> version_url = _URL + <span class="stringliteral">".ver"</span>;
<a name="l00341"></a>00341 <span class="keywordflow">if</span> (_proj.length() + _sel.length())
<a name="l00342"></a>00342 version_url = version_url + <span class="stringliteral">"?"</span> + <a class="code" href="namespacelibdap.html#adc33774947740cc181b6d4d7ca90e22d">id2www_ce</a>(_proj + _sel);
<a name="l00343"></a>00343
<a name="l00344"></a>00344 <a class="code" href="classlibdap_1_1Response.html">Response</a> *rs = 0;
<a name="l00345"></a>00345 <span class="keywordflow">try</span> {
<a name="l00346"></a>00346 rs = d_http-><a class="code" href="classlibdap_1_1HTTPConnect.html#a5e3558838e245a96c9392b33ef4ba298">fetch_url</a>(version_url);
<a name="l00347"></a>00347 }
<a name="l00348"></a>00348 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00349"></a>00349 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00350"></a>00350 <span class="keywordflow">throw</span> e;
<a name="l00351"></a>00351 }
<a name="l00352"></a>00352
<a name="l00353"></a>00353 d_version = rs-><a class="code" href="classlibdap_1_1Response.html#a654eedafce6ecb816324713150914fec">get_version</a>();
<a name="l00354"></a>00354 d_protocol = rs-><a class="code" href="classlibdap_1_1Response.html#ae33bebc83bcfbd2bf958697e4516b2d7">get_protocol</a>();
<a name="l00355"></a>00355
<a name="l00356"></a>00356 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00357"></a>00357
<a name="l00358"></a>00358 <span class="keywordflow">return</span> d_protocol;
<a name="l00359"></a>00359 }
<a name="l00360"></a>00360
<a name="l00368"></a>00368 <span class="keywordtype">void</span>
<a name="l00369"></a><a class="code" href="classlibdap_1_1Connect.html#a816ef3bb8e729712ffeb6523f2cc4f0e">00369</a> <a class="code" href="classlibdap_1_1Connect.html#a816ef3bb8e729712ffeb6523f2cc4f0e" title="Get the DAS from a server.">Connect::request_das</a>(<a class="code" href="classlibdap_1_1DAS.html" title="Hold attribute data for a DAP2 dataset.">DAS</a> &das)
<a name="l00370"></a>00370 {
<a name="l00371"></a>00371 <span class="keywordtype">string</span> das_url = _URL + <span class="stringliteral">".das"</span>;
<a name="l00372"></a>00372 <span class="keywordflow">if</span> (_proj.length() + _sel.length())
<a name="l00373"></a>00373 das_url = das_url + <span class="stringliteral">"?"</span> + <a class="code" href="namespacelibdap.html#adc33774947740cc181b6d4d7ca90e22d">id2www_ce</a>(_proj + _sel);
<a name="l00374"></a>00374
<a name="l00375"></a>00375 <a class="code" href="classlibdap_1_1Response.html">Response</a> *rs = 0;
<a name="l00376"></a>00376 <span class="keywordflow">try</span> {
<a name="l00377"></a>00377 rs = d_http-><a class="code" href="classlibdap_1_1HTTPConnect.html#a5e3558838e245a96c9392b33ef4ba298">fetch_url</a>(das_url);
<a name="l00378"></a>00378 }
<a name="l00379"></a>00379 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00380"></a>00380 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00381"></a>00381 <span class="keywordflow">throw</span> e;
<a name="l00382"></a>00382 }
<a name="l00383"></a>00383
<a name="l00384"></a>00384 d_version = rs-><a class="code" href="classlibdap_1_1Response.html#a654eedafce6ecb816324713150914fec">get_version</a>();
<a name="l00385"></a>00385 d_protocol = rs-><a class="code" href="classlibdap_1_1Response.html#ae33bebc83bcfbd2bf958697e4516b2d7">get_protocol</a>();
<a name="l00386"></a>00386
<a name="l00387"></a>00387 <span class="keywordflow">switch</span> (rs-><a class="code" href="classlibdap_1_1Response.html#ab69844a814ec4036a12336640b06e279">get_type</a>()) {
<a name="l00388"></a>00388 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aa742dd62797a6ff77549a1803a4e77d79">dods_error</a>: {
<a name="l00389"></a>00389 <a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> e;
<a name="l00390"></a>00390 <span class="keywordflow">if</span> (!e.<a class="code" href="classlibdap_1_1Error.html#ac705b3c1cfab1f7530d66a974eb0e8b6" title="Parse an Error object.">parse</a>(rs-><a class="code" href="classlibdap_1_1Response.html#a5b4903bb627c5e6ccd4cd50712e1f0a1">get_stream</a>())) {
<a name="l00391"></a>00391 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1InternalErr.html" title="A class for software fault reporting.">InternalErr</a>(__FILE__, __LINE__,
<a name="l00392"></a>00392 <span class="stringliteral">"Could not parse error returned from server."</span>);
<a name="l00393"></a>00393 <span class="keywordflow">break</span>;
<a name="l00394"></a>00394 }
<a name="l00395"></a>00395 <span class="keywordflow">throw</span> e;
<a name="l00396"></a>00396 <span class="keywordflow">break</span>;
<a name="l00397"></a>00397 }
<a name="l00398"></a>00398
<a name="l00399"></a>00399 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aaa4a8434126fdf1a42a77c74409973b54">web_error</a>:
<a name="l00400"></a>00400 <span class="comment">// We should never get here; a web error should be picked up read_url</span>
<a name="l00401"></a>00401 <span class="comment">// (called by fetch_url) and result in a thrown Error object.</span>
<a name="l00402"></a>00402 <span class="keywordflow">break</span>;
<a name="l00403"></a>00403
<a name="l00404"></a>00404 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aa02461a6c30af5fa6a789ea22fef8534e">dods_das</a>:
<a name="l00405"></a>00405 <span class="keywordflow">default</span>:
<a name="l00406"></a>00406 <span class="comment">// DAS::parse throws an exception on error.</span>
<a name="l00407"></a>00407 <span class="keywordflow">try</span> {
<a name="l00408"></a>00408 das.<a class="code" href="classlibdap_1_1DAS.html#aa84ac295a96a12f9f083a8210732f5a8" title="Reads a DAS from the named file.">parse</a>(rs-><a class="code" href="classlibdap_1_1Response.html#a5b4903bb627c5e6ccd4cd50712e1f0a1">get_stream</a>()); <span class="comment">// read and parse the das from a file</span>
<a name="l00409"></a>00409 }
<a name="l00410"></a>00410 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00411"></a>00411 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00412"></a>00412 <span class="keywordflow">throw</span> e;
<a name="l00413"></a>00413 }
<a name="l00414"></a>00414
<a name="l00415"></a>00415 <span class="keywordflow">break</span>;
<a name="l00416"></a>00416 }
<a name="l00417"></a>00417
<a name="l00418"></a>00418 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00419"></a>00419 }
<a name="l00420"></a>00420
<a name="l00431"></a>00431 <span class="keywordtype">void</span>
<a name="l00432"></a><a class="code" href="classlibdap_1_1Connect.html#abcf814710de1e252e74a4e1b72d3c6b3">00432</a> <a class="code" href="classlibdap_1_1Connect.html#abcf814710de1e252e74a4e1b72d3c6b3" title="Get the DAS from a server.">Connect::request_das_url</a>(<a class="code" href="classlibdap_1_1DAS.html" title="Hold attribute data for a DAP2 dataset.">DAS</a> &das)
<a name="l00433"></a>00433 {
<a name="l00434"></a>00434 <span class="keywordtype">string</span> use_url = _URL + <span class="stringliteral">"?"</span> + _proj + _sel ;
<a name="l00435"></a>00435 <a class="code" href="classlibdap_1_1Response.html">Response</a> *rs = 0;
<a name="l00436"></a>00436 <span class="keywordflow">try</span> {
<a name="l00437"></a>00437 rs = d_http-><a class="code" href="classlibdap_1_1HTTPConnect.html#a5e3558838e245a96c9392b33ef4ba298">fetch_url</a>(use_url);
<a name="l00438"></a>00438 }
<a name="l00439"></a>00439 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00440"></a>00440 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00441"></a>00441 <span class="keywordflow">throw</span> e;
<a name="l00442"></a>00442 }
<a name="l00443"></a>00443
<a name="l00444"></a>00444 d_version = rs-><a class="code" href="classlibdap_1_1Response.html#a654eedafce6ecb816324713150914fec">get_version</a>();
<a name="l00445"></a>00445 d_protocol = rs-><a class="code" href="classlibdap_1_1Response.html#ae33bebc83bcfbd2bf958697e4516b2d7">get_protocol</a>();
<a name="l00446"></a>00446
<a name="l00447"></a>00447 <span class="keywordflow">switch</span> (rs-><a class="code" href="classlibdap_1_1Response.html#ab69844a814ec4036a12336640b06e279">get_type</a>()) {
<a name="l00448"></a>00448 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aa742dd62797a6ff77549a1803a4e77d79">dods_error</a>: {
<a name="l00449"></a>00449 <a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> e;
<a name="l00450"></a>00450 <span class="keywordflow">if</span> (!e.<a class="code" href="classlibdap_1_1Error.html#ac705b3c1cfab1f7530d66a974eb0e8b6" title="Parse an Error object.">parse</a>(rs-><a class="code" href="classlibdap_1_1Response.html#a5b4903bb627c5e6ccd4cd50712e1f0a1">get_stream</a>())) {
<a name="l00451"></a>00451 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1InternalErr.html" title="A class for software fault reporting.">InternalErr</a>(__FILE__, __LINE__,
<a name="l00452"></a>00452 <span class="stringliteral">"Could not parse error returned from server."</span>);
<a name="l00453"></a>00453 <span class="keywordflow">break</span>;
<a name="l00454"></a>00454 }
<a name="l00455"></a>00455 <span class="keywordflow">throw</span> e;
<a name="l00456"></a>00456 <span class="keywordflow">break</span>;
<a name="l00457"></a>00457 }
<a name="l00458"></a>00458
<a name="l00459"></a>00459 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aaa4a8434126fdf1a42a77c74409973b54">web_error</a>:
<a name="l00460"></a>00460 <span class="comment">// We should never get here; a web error should be picked up read_url</span>
<a name="l00461"></a>00461 <span class="comment">// (called by fetch_url) and result in a thrown Error object.</span>
<a name="l00462"></a>00462 <span class="keywordflow">break</span>;
<a name="l00463"></a>00463
<a name="l00464"></a>00464 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aa02461a6c30af5fa6a789ea22fef8534e">dods_das</a>:
<a name="l00465"></a>00465 <span class="keywordflow">default</span>:
<a name="l00466"></a>00466 <span class="comment">// DAS::parse throws an exception on error.</span>
<a name="l00467"></a>00467 <span class="keywordflow">try</span> {
<a name="l00468"></a>00468 das.<a class="code" href="classlibdap_1_1DAS.html#aa84ac295a96a12f9f083a8210732f5a8" title="Reads a DAS from the named file.">parse</a>(rs-><a class="code" href="classlibdap_1_1Response.html#a5b4903bb627c5e6ccd4cd50712e1f0a1">get_stream</a>()); <span class="comment">// read and parse the das from a file</span>
<a name="l00469"></a>00469 }
<a name="l00470"></a>00470 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00471"></a>00471 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00472"></a>00472 <span class="keywordflow">throw</span> e;
<a name="l00473"></a>00473 }
<a name="l00474"></a>00474
<a name="l00475"></a>00475 <span class="keywordflow">break</span>;
<a name="l00476"></a>00476 }
<a name="l00477"></a>00477
<a name="l00478"></a>00478 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00479"></a>00479 }
<a name="l00480"></a>00480
<a name="l00494"></a>00494 <span class="keywordtype">void</span>
<a name="l00495"></a><a class="code" href="classlibdap_1_1Connect.html#aad5ef370110577e9ca2a0161928f9efa">00495</a> <a class="code" href="classlibdap_1_1Connect.html#aad5ef370110577e9ca2a0161928f9efa" title="Get the DDS from a server.">Connect::request_dds</a>(<a class="code" href="classlibdap_1_1DDS.html">DDS</a> &dds, <span class="keywordtype">string</span> expr)
<a name="l00496"></a>00496 {
<a name="l00497"></a>00497 <span class="keywordtype">string</span> proj, sel;
<a name="l00498"></a>00498 string::size_type dotpos = expr.find(<span class="charliteral">'&'</span>);
<a name="l00499"></a>00499 <span class="keywordflow">if</span> (dotpos != expr.npos) {
<a name="l00500"></a>00500 proj = expr.substr(0, dotpos);
<a name="l00501"></a>00501 sel = expr.substr(dotpos);
<a name="l00502"></a>00502 }
<a name="l00503"></a>00503 <span class="keywordflow">else</span> {
<a name="l00504"></a>00504 proj = expr;
<a name="l00505"></a>00505 sel = <span class="stringliteral">""</span>;
<a name="l00506"></a>00506 }
<a name="l00507"></a>00507
<a name="l00508"></a>00508 <span class="keywordtype">string</span> dds_url = _URL + <span class="stringliteral">".dds"</span> + <span class="stringliteral">"?"</span>
<a name="l00509"></a>00509 + <a class="code" href="namespacelibdap.html#adc33774947740cc181b6d4d7ca90e22d">id2www_ce</a>(_proj + proj + _sel + sel);
<a name="l00510"></a>00510
<a name="l00511"></a>00511 <a class="code" href="classlibdap_1_1Response.html">Response</a> *rs = 0;
<a name="l00512"></a>00512 <span class="keywordflow">try</span> {
<a name="l00513"></a>00513 rs = d_http-><a class="code" href="classlibdap_1_1HTTPConnect.html#a5e3558838e245a96c9392b33ef4ba298">fetch_url</a>(dds_url);
<a name="l00514"></a>00514 }
<a name="l00515"></a>00515 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00516"></a>00516 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00517"></a>00517 <span class="keywordflow">throw</span> e;
<a name="l00518"></a>00518 }
<a name="l00519"></a>00519
<a name="l00520"></a>00520 d_version = rs-><a class="code" href="classlibdap_1_1Response.html#a654eedafce6ecb816324713150914fec">get_version</a>();
<a name="l00521"></a>00521 d_protocol = rs-><a class="code" href="classlibdap_1_1Response.html#ae33bebc83bcfbd2bf958697e4516b2d7">get_protocol</a>();
<a name="l00522"></a>00522
<a name="l00523"></a>00523 <span class="keywordflow">switch</span> (rs-><a class="code" href="classlibdap_1_1Response.html#ab69844a814ec4036a12336640b06e279">get_type</a>()) {
<a name="l00524"></a>00524 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aa742dd62797a6ff77549a1803a4e77d79">dods_error</a>: {
<a name="l00525"></a>00525 <a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> e;
<a name="l00526"></a>00526 <span class="keywordflow">if</span> (!e.<a class="code" href="classlibdap_1_1Error.html#ac705b3c1cfab1f7530d66a974eb0e8b6" title="Parse an Error object.">parse</a>(rs-><a class="code" href="classlibdap_1_1Response.html#a5b4903bb627c5e6ccd4cd50712e1f0a1">get_stream</a>())) {
<a name="l00527"></a>00527 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1InternalErr.html" title="A class for software fault reporting.">InternalErr</a>(__FILE__, __LINE__,
<a name="l00528"></a>00528 <span class="stringliteral">"Could not parse error returned from server."</span>);
<a name="l00529"></a>00529 <span class="keywordflow">break</span>;
<a name="l00530"></a>00530 }
<a name="l00531"></a>00531 <span class="keywordflow">throw</span> e;
<a name="l00532"></a>00532 <span class="keywordflow">break</span>;
<a name="l00533"></a>00533 }
<a name="l00534"></a>00534
<a name="l00535"></a>00535 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aaa4a8434126fdf1a42a77c74409973b54">web_error</a>:
<a name="l00536"></a>00536 <span class="comment">// We should never get here; a web error should be picked up read_url</span>
<a name="l00537"></a>00537 <span class="comment">// (called by fetch_url) and result in a thrown Error object.</span>
<a name="l00538"></a>00538 <span class="keywordflow">break</span>;
<a name="l00539"></a>00539
<a name="l00540"></a>00540 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aae5a70721811fccc5ee73852269b01a01">dods_dds</a>:
<a name="l00541"></a>00541 <span class="keywordflow">default</span>:
<a name="l00542"></a>00542 <span class="comment">// DDS::prase throws an exception on error.</span>
<a name="l00543"></a>00543 <span class="keywordflow">try</span> {
<a name="l00544"></a>00544 dds.<a class="code" href="classlibdap_1_1DDS.html#a733c8e49ed42ab47d74afe68056340e6" title="Parse a DDS from a file with the given name.">parse</a>(rs-><a class="code" href="classlibdap_1_1Response.html#a5b4903bb627c5e6ccd4cd50712e1f0a1">get_stream</a>()); <span class="comment">// read and parse the dds from a file</span>
<a name="l00545"></a>00545 }
<a name="l00546"></a>00546 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00547"></a>00547 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00548"></a>00548 <span class="keywordflow">throw</span> e;
<a name="l00549"></a>00549 }
<a name="l00550"></a>00550 <span class="keywordflow">break</span>;
<a name="l00551"></a>00551 }
<a name="l00552"></a>00552
<a name="l00553"></a>00553 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00554"></a>00554 }
<a name="l00555"></a>00555
<a name="l00572"></a>00572 <span class="keywordtype">void</span>
<a name="l00573"></a><a class="code" href="classlibdap_1_1Connect.html#a08795a9e160db409423fcd9058ba975d">00573</a> <a class="code" href="classlibdap_1_1Connect.html#a08795a9e160db409423fcd9058ba975d" title="Get the DDS from a server.">Connect::request_dds_url</a>(<a class="code" href="classlibdap_1_1DDS.html">DDS</a> &dds)
<a name="l00574"></a>00574 {
<a name="l00575"></a>00575 <span class="keywordtype">string</span> use_url = _URL + <span class="stringliteral">"?"</span> + _proj + _sel ;
<a name="l00576"></a>00576 <a class="code" href="classlibdap_1_1Response.html">Response</a> *rs = 0;
<a name="l00577"></a>00577 <span class="keywordflow">try</span> {
<a name="l00578"></a>00578 rs = d_http-><a class="code" href="classlibdap_1_1HTTPConnect.html#a5e3558838e245a96c9392b33ef4ba298">fetch_url</a>(use_url);
<a name="l00579"></a>00579 }
<a name="l00580"></a>00580 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00581"></a>00581 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00582"></a>00582 <span class="keywordflow">throw</span> e;
<a name="l00583"></a>00583 }
<a name="l00584"></a>00584
<a name="l00585"></a>00585 d_version = rs-><a class="code" href="classlibdap_1_1Response.html#a654eedafce6ecb816324713150914fec">get_version</a>();
<a name="l00586"></a>00586 d_protocol = rs-><a class="code" href="classlibdap_1_1Response.html#ae33bebc83bcfbd2bf958697e4516b2d7">get_protocol</a>();
<a name="l00587"></a>00587
<a name="l00588"></a>00588 <span class="keywordflow">switch</span> (rs-><a class="code" href="classlibdap_1_1Response.html#ab69844a814ec4036a12336640b06e279">get_type</a>()) {
<a name="l00589"></a>00589 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aa742dd62797a6ff77549a1803a4e77d79">dods_error</a>: {
<a name="l00590"></a>00590 <a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> e;
<a name="l00591"></a>00591 <span class="keywordflow">if</span> (!e.<a class="code" href="classlibdap_1_1Error.html#ac705b3c1cfab1f7530d66a974eb0e8b6" title="Parse an Error object.">parse</a>(rs-><a class="code" href="classlibdap_1_1Response.html#a5b4903bb627c5e6ccd4cd50712e1f0a1">get_stream</a>())) {
<a name="l00592"></a>00592 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1InternalErr.html" title="A class for software fault reporting.">InternalErr</a>(__FILE__, __LINE__,
<a name="l00593"></a>00593 <span class="stringliteral">"Could not parse error returned from server."</span>);
<a name="l00594"></a>00594 <span class="keywordflow">break</span>;
<a name="l00595"></a>00595 }
<a name="l00596"></a>00596 <span class="keywordflow">throw</span> e;
<a name="l00597"></a>00597 <span class="keywordflow">break</span>;
<a name="l00598"></a>00598 }
<a name="l00599"></a>00599
<a name="l00600"></a>00600 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aaa4a8434126fdf1a42a77c74409973b54">web_error</a>:
<a name="l00601"></a>00601 <span class="comment">// We should never get here; a web error should be picked up read_url</span>
<a name="l00602"></a>00602 <span class="comment">// (called by fetch_url) and result in a thrown Error object.</span>
<a name="l00603"></a>00603 <span class="keywordflow">break</span>;
<a name="l00604"></a>00604
<a name="l00605"></a>00605 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aae5a70721811fccc5ee73852269b01a01">dods_dds</a>:
<a name="l00606"></a>00606 <span class="keywordflow">default</span>:
<a name="l00607"></a>00607 <span class="comment">// DDS::prase throws an exception on error.</span>
<a name="l00608"></a>00608 <span class="keywordflow">try</span> {
<a name="l00609"></a>00609 dds.<a class="code" href="classlibdap_1_1DDS.html#a733c8e49ed42ab47d74afe68056340e6" title="Parse a DDS from a file with the given name.">parse</a>(rs-><a class="code" href="classlibdap_1_1Response.html#a5b4903bb627c5e6ccd4cd50712e1f0a1">get_stream</a>()); <span class="comment">// read and parse the dds from a file</span>
<a name="l00610"></a>00610 }
<a name="l00611"></a>00611 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00612"></a>00612 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00613"></a>00613 <span class="keywordflow">throw</span> e;
<a name="l00614"></a>00614 }
<a name="l00615"></a>00615 <span class="keywordflow">break</span>;
<a name="l00616"></a>00616 }
<a name="l00617"></a>00617
<a name="l00618"></a>00618 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00619"></a>00619 }
<a name="l00620"></a>00620
<a name="l00632"></a>00632 <span class="keywordtype">void</span>
<a name="l00633"></a><a class="code" href="classlibdap_1_1Connect.html#a4395cc18cf5ec1a5167795a5a5491958">00633</a> <a class="code" href="classlibdap_1_1Connect.html#a4395cc18cf5ec1a5167795a5a5491958" title="Get the DDX from a server.">Connect::request_ddx</a>(<a class="code" href="classlibdap_1_1DDS.html">DDS</a> &dds, <span class="keywordtype">string</span> expr)
<a name="l00634"></a>00634 {
<a name="l00635"></a>00635 <span class="keywordtype">string</span> proj, sel;
<a name="l00636"></a>00636 string::size_type dotpos = expr.find(<span class="charliteral">'&'</span>);
<a name="l00637"></a>00637 <span class="keywordflow">if</span> (dotpos != expr.npos) {
<a name="l00638"></a>00638 proj = expr.substr(0, dotpos);
<a name="l00639"></a>00639 sel = expr.substr(dotpos);
<a name="l00640"></a>00640 }
<a name="l00641"></a>00641 <span class="keywordflow">else</span> {
<a name="l00642"></a>00642 proj = expr;
<a name="l00643"></a>00643 sel = <span class="stringliteral">""</span>;
<a name="l00644"></a>00644 }
<a name="l00645"></a>00645
<a name="l00646"></a>00646 <span class="keywordtype">string</span> ddx_url = _URL + <span class="stringliteral">".ddx"</span> + <span class="stringliteral">"?"</span>
<a name="l00647"></a>00647 + <a class="code" href="namespacelibdap.html#adc33774947740cc181b6d4d7ca90e22d">id2www_ce</a>(_proj + proj + _sel + sel);
<a name="l00648"></a>00648
<a name="l00649"></a>00649 <a class="code" href="classlibdap_1_1Response.html">Response</a> *rs = 0;
<a name="l00650"></a>00650 <span class="keywordflow">try</span> {
<a name="l00651"></a>00651 rs = d_http-><a class="code" href="classlibdap_1_1HTTPConnect.html#a5e3558838e245a96c9392b33ef4ba298">fetch_url</a>(ddx_url);
<a name="l00652"></a>00652 }
<a name="l00653"></a>00653 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00654"></a>00654 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00655"></a>00655 <span class="keywordflow">throw</span> e;
<a name="l00656"></a>00656 }
<a name="l00657"></a>00657
<a name="l00658"></a>00658 d_version = rs-><a class="code" href="classlibdap_1_1Response.html#a654eedafce6ecb816324713150914fec">get_version</a>();
<a name="l00659"></a>00659 d_protocol = rs-><a class="code" href="classlibdap_1_1Response.html#ae33bebc83bcfbd2bf958697e4516b2d7">get_protocol</a>();
<a name="l00660"></a>00660
<a name="l00661"></a>00661 <span class="keywordflow">switch</span> (rs-><a class="code" href="classlibdap_1_1Response.html#ab69844a814ec4036a12336640b06e279">get_type</a>()) {
<a name="l00662"></a>00662 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aa742dd62797a6ff77549a1803a4e77d79">dods_error</a>: {
<a name="l00663"></a>00663 <a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> e;
<a name="l00664"></a>00664 <span class="keywordflow">if</span> (!e.<a class="code" href="classlibdap_1_1Error.html#ac705b3c1cfab1f7530d66a974eb0e8b6" title="Parse an Error object.">parse</a>(rs-><a class="code" href="classlibdap_1_1Response.html#a5b4903bb627c5e6ccd4cd50712e1f0a1">get_stream</a>())) {
<a name="l00665"></a>00665 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1InternalErr.html" title="A class for software fault reporting.">InternalErr</a>(__FILE__, __LINE__,
<a name="l00666"></a>00666 <span class="stringliteral">"Could not parse error returned from server."</span>);
<a name="l00667"></a>00667 <span class="keywordflow">break</span>;
<a name="l00668"></a>00668 }
<a name="l00669"></a>00669 <span class="keywordflow">throw</span> e;
<a name="l00670"></a>00670 <span class="keywordflow">break</span>;
<a name="l00671"></a>00671 }
<a name="l00672"></a>00672
<a name="l00673"></a>00673 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aaa4a8434126fdf1a42a77c74409973b54">web_error</a>:
<a name="l00674"></a>00674 <span class="comment">// We should never get here; a web error should be picked up read_url</span>
<a name="l00675"></a>00675 <span class="comment">// (called by fetch_url) and result in a thrown Error object.</span>
<a name="l00676"></a>00676 <span class="keywordflow">break</span>;
<a name="l00677"></a>00677
<a name="l00678"></a>00678 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aa605a335e5665d5f3ac75cacf42a15ae8">dap4_ddx</a>:
<a name="l00679"></a>00679 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aaf4dc265e5be5ab5584aa717cfd6ec6b9">dods_ddx</a>:
<a name="l00680"></a>00680 <span class="keywordflow">try</span> {
<a name="l00681"></a>00681 <span class="keywordtype">string</span> blob;
<a name="l00682"></a>00682
<a name="l00683"></a>00683 <a class="code" href="classlibdap_1_1DDXParser.html">DDXParser</a> ddxp(dds.<a class="code" href="classlibdap_1_1DDS.html#aa75678c230c20aaf7626f954de04644f">get_factory</a>());
<a name="l00684"></a>00684 ddxp.<a class="code" href="classlibdap_1_1DDXParser.html#a76537c4e78cb5913b2c2f78b9f7cd458" title="Read the DDX from a stream instead of a file.">intern_stream</a>(rs-><a class="code" href="classlibdap_1_1Response.html#a5b4903bb627c5e6ccd4cd50712e1f0a1">get_stream</a>(), &dds, blob);
<a name="l00685"></a>00685 }
<a name="l00686"></a>00686 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00687"></a>00687 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00688"></a>00688 <span class="keywordflow">throw</span> e;
<a name="l00689"></a>00689 }
<a name="l00690"></a>00690 <span class="keywordflow">break</span>;
<a name="l00691"></a>00691
<a name="l00692"></a>00692 <span class="keywordflow">default</span>:
<a name="l00693"></a>00693 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a>(<span class="stringliteral">"The site did not return a valid response (it lacked the\n\</span>
<a name="l00694"></a>00694 <span class="stringliteral">expected content description header value of 'dap4-ddx' and\n\</span>
<a name="l00695"></a>00695 <span class="stringliteral">instead returned '"</span> + <a class="code" href="namespacelibdap.html#a317edea830aab50d2137a5bd313cc86a">long_to_string</a>(rs-><a class="code" href="classlibdap_1_1Response.html#ab69844a814ec4036a12336640b06e279">get_type</a>()) + <span class="stringliteral">"').\n\</span>
<a name="l00696"></a>00696 <span class="stringliteral">This may indicate that the server at the site is not correctly\n\</span>
<a name="l00697"></a>00697 <span class="stringliteral">configured, or that the URL has changed."</span>);
<a name="l00698"></a>00698 }
<a name="l00699"></a>00699
<a name="l00700"></a>00700 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00701"></a>00701 }
<a name="l00702"></a>00702
<a name="l00705"></a>00705 <span class="keywordtype">void</span>
<a name="l00706"></a><a class="code" href="classlibdap_1_1Connect.html#a9a3e1fe01455b60a90a1974a7e871bb4">00706</a> <a class="code" href="classlibdap_1_1Connect.html#a9a3e1fe01455b60a90a1974a7e871bb4" title="The &#39;url&#39; version of request_ddx.">Connect::request_ddx_url</a>(<a class="code" href="classlibdap_1_1DDS.html">DDS</a> &dds)
<a name="l00707"></a>00707 {
<a name="l00708"></a>00708 <span class="keywordtype">string</span> use_url = _URL + <span class="stringliteral">"?"</span> + _proj + _sel ;
<a name="l00709"></a>00709
<a name="l00710"></a>00710 <a class="code" href="classlibdap_1_1Response.html">Response</a> *rs = 0;
<a name="l00711"></a>00711 <span class="keywordflow">try</span> {
<a name="l00712"></a>00712 rs = d_http-><a class="code" href="classlibdap_1_1HTTPConnect.html#a5e3558838e245a96c9392b33ef4ba298">fetch_url</a>(use_url);
<a name="l00713"></a>00713 }
<a name="l00714"></a>00714 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00715"></a>00715 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00716"></a>00716 <span class="keywordflow">throw</span> e;
<a name="l00717"></a>00717 }
<a name="l00718"></a>00718
<a name="l00719"></a>00719 d_version = rs-><a class="code" href="classlibdap_1_1Response.html#a654eedafce6ecb816324713150914fec">get_version</a>();
<a name="l00720"></a>00720 d_protocol = rs-><a class="code" href="classlibdap_1_1Response.html#ae33bebc83bcfbd2bf958697e4516b2d7">get_protocol</a>();
<a name="l00721"></a>00721
<a name="l00722"></a>00722 <span class="keywordflow">switch</span> (rs-><a class="code" href="classlibdap_1_1Response.html#ab69844a814ec4036a12336640b06e279">get_type</a>()) {
<a name="l00723"></a>00723 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aa742dd62797a6ff77549a1803a4e77d79">dods_error</a>: {
<a name="l00724"></a>00724 <a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> e;
<a name="l00725"></a>00725 <span class="keywordflow">if</span> (!e.<a class="code" href="classlibdap_1_1Error.html#ac705b3c1cfab1f7530d66a974eb0e8b6" title="Parse an Error object.">parse</a>(rs-><a class="code" href="classlibdap_1_1Response.html#a5b4903bb627c5e6ccd4cd50712e1f0a1">get_stream</a>())) {
<a name="l00726"></a>00726 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1InternalErr.html" title="A class for software fault reporting.">InternalErr</a>(__FILE__, __LINE__,
<a name="l00727"></a>00727 <span class="stringliteral">"Could not parse error returned from server."</span>);
<a name="l00728"></a>00728 <span class="keywordflow">break</span>;
<a name="l00729"></a>00729 }
<a name="l00730"></a>00730 <span class="keywordflow">throw</span> e;
<a name="l00731"></a>00731 <span class="keywordflow">break</span>;
<a name="l00732"></a>00732 }
<a name="l00733"></a>00733
<a name="l00734"></a>00734 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aaa4a8434126fdf1a42a77c74409973b54">web_error</a>:
<a name="l00735"></a>00735 <span class="comment">// We should never get here; a web error should be picked up read_url</span>
<a name="l00736"></a>00736 <span class="comment">// (called by fetch_url) and result in a thrown Error object.</span>
<a name="l00737"></a>00737 <span class="keywordflow">break</span>;
<a name="l00738"></a>00738
<a name="l00739"></a>00739 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aa605a335e5665d5f3ac75cacf42a15ae8">dap4_ddx</a>:
<a name="l00740"></a>00740 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aaf4dc265e5be5ab5584aa717cfd6ec6b9">dods_ddx</a>:
<a name="l00741"></a>00741 <span class="keywordflow">try</span> {
<a name="l00742"></a>00742 <span class="keywordtype">string</span> blob;
<a name="l00743"></a>00743
<a name="l00744"></a>00744 <a class="code" href="classlibdap_1_1DDXParser.html">DDXParser</a> ddxp(dds.<a class="code" href="classlibdap_1_1DDS.html#aa75678c230c20aaf7626f954de04644f">get_factory</a>());
<a name="l00745"></a>00745 ddxp.<a class="code" href="classlibdap_1_1DDXParser.html#a76537c4e78cb5913b2c2f78b9f7cd458" title="Read the DDX from a stream instead of a file.">intern_stream</a>(rs-><a class="code" href="classlibdap_1_1Response.html#a5b4903bb627c5e6ccd4cd50712e1f0a1">get_stream</a>(), &dds, blob);
<a name="l00746"></a>00746 }
<a name="l00747"></a>00747 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00748"></a>00748 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00749"></a>00749 <span class="keywordflow">throw</span> e;
<a name="l00750"></a>00750 }
<a name="l00751"></a>00751 <span class="keywordflow">break</span>;
<a name="l00752"></a>00752
<a name="l00753"></a>00753 <span class="keywordflow">default</span>:
<a name="l00754"></a>00754 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a>(<span class="stringliteral">"The site did not return a valid response (it lacked the\n\</span>
<a name="l00755"></a>00755 <span class="stringliteral">expected content description header value of 'dap4-ddx' and\n\</span>
<a name="l00756"></a>00756 <span class="stringliteral">instead returned '"</span> + <a class="code" href="namespacelibdap.html#a317edea830aab50d2137a5bd313cc86a">long_to_string</a>(rs-><a class="code" href="classlibdap_1_1Response.html#ab69844a814ec4036a12336640b06e279">get_type</a>()) + <span class="stringliteral">"').\n\</span>
<a name="l00757"></a>00757 <span class="stringliteral">This may indicate that the server at the site is not correctly\n\</span>
<a name="l00758"></a>00758 <span class="stringliteral">configured, or that the URL has changed."</span>);
<a name="l00759"></a>00759 }
<a name="l00760"></a>00760
<a name="l00761"></a>00761 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00762"></a>00762 }
<a name="l00763"></a>00763
<a name="l00779"></a>00779 <span class="keywordtype">void</span>
<a name="l00780"></a><a class="code" href="classlibdap_1_1Connect.html#a814e98ac5e99927ccc79bb0feb32d241">00780</a> <a class="code" href="classlibdap_1_1Connect.html#a814e98ac5e99927ccc79bb0feb32d241" title="Get the DAS from a server.">Connect::request_data</a>(<a class="code" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a> &data, <span class="keywordtype">string</span> expr)
<a name="l00781"></a>00781 {
<a name="l00782"></a>00782 <span class="keywordtype">string</span> proj, sel;
<a name="l00783"></a>00783 string::size_type dotpos = expr.find(<span class="charliteral">'&'</span>);
<a name="l00784"></a>00784 <span class="keywordflow">if</span> (dotpos != expr.npos) {
<a name="l00785"></a>00785 proj = expr.substr(0, dotpos);
<a name="l00786"></a>00786 sel = expr.substr(dotpos);
<a name="l00787"></a>00787 }
<a name="l00788"></a>00788 <span class="keywordflow">else</span> {
<a name="l00789"></a>00789 proj = expr;
<a name="l00790"></a>00790 sel = <span class="stringliteral">""</span>;
<a name="l00791"></a>00791 }
<a name="l00792"></a>00792
<a name="l00793"></a>00793 <span class="keywordtype">string</span> data_url = _URL + <span class="stringliteral">".dods?"</span>
<a name="l00794"></a>00794 + <a class="code" href="namespacelibdap.html#adc33774947740cc181b6d4d7ca90e22d">id2www_ce</a>(_proj + proj + _sel + sel);
<a name="l00795"></a>00795
<a name="l00796"></a>00796 <a class="code" href="classlibdap_1_1Response.html">Response</a> *rs = 0;
<a name="l00797"></a>00797 <span class="comment">// We need to catch Error exceptions to ensure calling close_output.</span>
<a name="l00798"></a>00798 <span class="keywordflow">try</span> {
<a name="l00799"></a>00799 rs = d_http-><a class="code" href="classlibdap_1_1HTTPConnect.html#a5e3558838e245a96c9392b33ef4ba298">fetch_url</a>(data_url);
<a name="l00800"></a>00800
<a name="l00801"></a>00801 d_version = rs-><a class="code" href="classlibdap_1_1Response.html#a654eedafce6ecb816324713150914fec">get_version</a>();
<a name="l00802"></a>00802 d_protocol = rs-><a class="code" href="classlibdap_1_1Response.html#ae33bebc83bcfbd2bf958697e4516b2d7">get_protocol</a>();
<a name="l00803"></a>00803
<a name="l00804"></a>00804 process_data(data, rs);
<a name="l00805"></a>00805 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00806"></a>00806 }
<a name="l00807"></a>00807 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00808"></a>00808 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00809"></a>00809 <span class="keywordflow">throw</span> e;
<a name="l00810"></a>00810 }
<a name="l00811"></a>00811 }
<a name="l00812"></a>00812
<a name="l00830"></a>00830 <span class="keywordtype">void</span>
<a name="l00831"></a><a class="code" href="classlibdap_1_1Connect.html#ac8582099411b8d74b03e761129df5b5c">00831</a> <a class="code" href="classlibdap_1_1Connect.html#ac8582099411b8d74b03e761129df5b5c" title="Get the DAS from a server.">Connect::request_data_url</a>(<a class="code" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a> &data)
<a name="l00832"></a>00832 {
<a name="l00833"></a>00833 <span class="keywordtype">string</span> use_url = _URL + <span class="stringliteral">"?"</span> + _proj + _sel ;
<a name="l00834"></a>00834 <a class="code" href="classlibdap_1_1Response.html">Response</a> *rs = 0;
<a name="l00835"></a>00835 <span class="comment">// We need to catch Error exceptions to ensure calling close_output.</span>
<a name="l00836"></a>00836 <span class="keywordflow">try</span> {
<a name="l00837"></a>00837 rs = d_http-><a class="code" href="classlibdap_1_1HTTPConnect.html#a5e3558838e245a96c9392b33ef4ba298">fetch_url</a>(use_url);
<a name="l00838"></a>00838
<a name="l00839"></a>00839 d_version = rs-><a class="code" href="classlibdap_1_1Response.html#a654eedafce6ecb816324713150914fec">get_version</a>();
<a name="l00840"></a>00840 d_protocol = rs-><a class="code" href="classlibdap_1_1Response.html#ae33bebc83bcfbd2bf958697e4516b2d7">get_protocol</a>();
<a name="l00841"></a>00841
<a name="l00842"></a>00842 process_data(data, rs);
<a name="l00843"></a>00843 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00844"></a>00844 }
<a name="l00845"></a>00845 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00846"></a>00846 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00847"></a>00847 <span class="keywordflow">throw</span> e;
<a name="l00848"></a>00848 }
<a name="l00849"></a>00849 }
<a name="l00850"></a>00850
<a name="l00851"></a>00851 <span class="keywordtype">void</span>
<a name="l00852"></a><a class="code" href="classlibdap_1_1Connect.html#ab3bc39b8320ae5a79af7bf168f930b07">00852</a> <a class="code" href="classlibdap_1_1Connect.html#ab3bc39b8320ae5a79af7bf168f930b07">Connect::request_data_ddx</a>(<a class="code" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a> &data, <span class="keywordtype">string</span> expr)
<a name="l00853"></a>00853 {
<a name="l00854"></a>00854 <span class="keywordtype">string</span> proj, sel;
<a name="l00855"></a>00855 string::size_type dotpos = expr.find(<span class="charliteral">'&'</span>);
<a name="l00856"></a>00856 <span class="keywordflow">if</span> (dotpos != expr.npos) {
<a name="l00857"></a>00857 proj = expr.substr(0, dotpos);
<a name="l00858"></a>00858 sel = expr.substr(dotpos);
<a name="l00859"></a>00859 }
<a name="l00860"></a>00860 <span class="keywordflow">else</span> {
<a name="l00861"></a>00861 proj = expr;
<a name="l00862"></a>00862 sel = <span class="stringliteral">""</span>;
<a name="l00863"></a>00863 }
<a name="l00864"></a>00864
<a name="l00865"></a>00865 <span class="keywordtype">string</span> data_url = _URL + <span class="stringliteral">".dap?"</span>
<a name="l00866"></a>00866 + <a class="code" href="namespacelibdap.html#adc33774947740cc181b6d4d7ca90e22d">id2www_ce</a>(_proj + proj + _sel + sel);
<a name="l00867"></a>00867
<a name="l00868"></a>00868 <a class="code" href="classlibdap_1_1Response.html">Response</a> *rs = 0;
<a name="l00869"></a>00869 <span class="comment">// We need to catch Error exceptions to ensure calling close_output.</span>
<a name="l00870"></a>00870 <span class="keywordflow">try</span> {
<a name="l00871"></a>00871 rs = d_http-><a class="code" href="classlibdap_1_1HTTPConnect.html#a5e3558838e245a96c9392b33ef4ba298">fetch_url</a>(data_url);
<a name="l00872"></a>00872
<a name="l00873"></a>00873 d_version = rs-><a class="code" href="classlibdap_1_1Response.html#a654eedafce6ecb816324713150914fec">get_version</a>();
<a name="l00874"></a>00874 d_protocol = rs-><a class="code" href="classlibdap_1_1Response.html#ae33bebc83bcfbd2bf958697e4516b2d7">get_protocol</a>();
<a name="l00875"></a>00875
<a name="l00876"></a>00876 process_data(data, rs);
<a name="l00877"></a>00877 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00878"></a>00878 }
<a name="l00879"></a>00879 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00880"></a>00880 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00881"></a>00881 <span class="keywordflow">throw</span> e;
<a name="l00882"></a>00882 }
<a name="l00883"></a>00883 }
<a name="l00884"></a>00884
<a name="l00885"></a>00885 <span class="keywordtype">void</span>
<a name="l00886"></a><a class="code" href="classlibdap_1_1Connect.html#aac752fcacdab76339318c1c333ea0953">00886</a> <a class="code" href="classlibdap_1_1Connect.html#aac752fcacdab76339318c1c333ea0953">Connect::request_data_ddx_url</a>(<a class="code" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a> &data)
<a name="l00887"></a>00887 {
<a name="l00888"></a>00888 <span class="keywordtype">string</span> use_url = _URL + <span class="stringliteral">"?"</span> + _proj + _sel ;
<a name="l00889"></a>00889 <a class="code" href="classlibdap_1_1Response.html">Response</a> *rs = 0;
<a name="l00890"></a>00890 <span class="comment">// We need to catch Error exceptions to ensure calling close_output.</span>
<a name="l00891"></a>00891 <span class="keywordflow">try</span> {
<a name="l00892"></a>00892 rs = d_http-><a class="code" href="classlibdap_1_1HTTPConnect.html#a5e3558838e245a96c9392b33ef4ba298">fetch_url</a>(use_url);
<a name="l00893"></a>00893
<a name="l00894"></a>00894 d_version = rs-><a class="code" href="classlibdap_1_1Response.html#a654eedafce6ecb816324713150914fec">get_version</a>();
<a name="l00895"></a>00895 d_protocol = rs-><a class="code" href="classlibdap_1_1Response.html#ae33bebc83bcfbd2bf958697e4516b2d7">get_protocol</a>();
<a name="l00896"></a>00896
<a name="l00897"></a>00897 process_data(data, rs);
<a name="l00898"></a>00898 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00899"></a>00899 }
<a name="l00900"></a>00900 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00901"></a>00901 <span class="keyword">delete</span> rs; rs = 0;
<a name="l00902"></a>00902 <span class="keywordflow">throw</span> e;
<a name="l00903"></a>00903 }
<a name="l00904"></a>00904 }
<a name="l00905"></a>00905
<a name="l00919"></a>00919 <span class="keywordtype">void</span>
<a name="l00920"></a><a class="code" href="classlibdap_1_1Connect.html#ae50d98d353023b9786c9bd5b0833a7de">00920</a> <a class="code" href="classlibdap_1_1Connect.html#ae50d98d353023b9786c9bd5b0833a7de" title="Read data which is preceded by MIME headers. This method works for both data dds and data ddx respons...">Connect::read_data</a>(<a class="code" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a> &data, <a class="code" href="classlibdap_1_1Response.html">Response</a> *rs)
<a name="l00921"></a>00921 {
<a name="l00922"></a>00922 <span class="keywordflow">if</span> (!rs)
<a name="l00923"></a>00923 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1InternalErr.html" title="A class for software fault reporting.">InternalErr</a>(__FILE__, __LINE__, <span class="stringliteral">"Response object is null."</span>);
<a name="l00924"></a>00924
<a name="l00925"></a>00925 <span class="comment">// Read from data_source and parse the MIME headers specific to DAP2/4.</span>
<a name="l00926"></a>00926 parse_mime(rs);
<a name="l00927"></a>00927
<a name="l00928"></a>00928 <a class="code" href="classlibdap_1_1Connect.html#a486b095a58614dfc2be0321035784306" title="Read data from a file which does not have response MIME headers. This method is a companion to read_d...">read_data_no_mime</a>(data, rs);
<a name="l00929"></a>00929 }
<a name="l00930"></a>00930
<a name="l00931"></a>00931 <span class="comment">// This function looks at the input stream and makes its best guess at what</span>
<a name="l00932"></a>00932 <span class="comment">// lies in store for downstream processing code. Definitely heuristic.</span>
<a name="l00933"></a>00933 <span class="comment">// Assumptions:</span>
<a name="l00934"></a>00934 <span class="comment">// #1 The current file position is past any MIME headers (if they were present).</span>
<a name="l00935"></a>00935 <span class="comment">// #2 We must reset the FILE* position to the start of the DDS or DDX headers</span>
<a name="l00936"></a>00936 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00937"></a>00937 divine_type_information(<a class="code" href="classlibdap_1_1Response.html">Response</a> *rs)
<a name="l00938"></a>00938 {
<a name="l00939"></a>00939 <span class="comment">// Consume whitespace</span>
<a name="l00940"></a>00940 <span class="keywordtype">char</span> c = getc(rs-><a class="code" href="classlibdap_1_1Response.html#a5b4903bb627c5e6ccd4cd50712e1f0a1">get_stream</a>());
<a name="l00941"></a>00941 <span class="keywordflow">while</span> (isspace(c)) {
<a name="l00942"></a>00942 c = getc(rs-><a class="code" href="classlibdap_1_1Response.html#a5b4903bb627c5e6ccd4cd50712e1f0a1">get_stream</a>());
<a name="l00943"></a>00943 }
<a name="l00944"></a>00944
<a name="l00945"></a>00945 <span class="comment">// The heuristic here is that a DataDDX is a multipart MIME document and</span>
<a name="l00946"></a>00946 <span class="comment">// The first non space character found after the headers is the start of</span>
<a name="l00947"></a>00947 <span class="comment">// the first part which looks like '--<boundary>' while a DataDDS starts</span>
<a name="l00948"></a>00948 <span class="comment">// with a DDS (;Dataset {' ...). I take into account that our parsers have</span>
<a name="l00949"></a>00949 <span class="comment">// accepted both 'Dataset' and 'dataset' for a long time.</span>
<a name="l00950"></a>00950 <span class="keywordflow">switch</span> (c) {
<a name="l00951"></a>00951 <span class="keywordflow">case</span> <span class="charliteral">'-'</span>:
<a name="l00952"></a>00952 rs-><a class="code" href="classlibdap_1_1Response.html#a7a7807d0a45dd1f6111987f054956e24">set_type</a>(<a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aae2070a684067288a7ad65cb671c73a26">dap4_data_ddx</a>);
<a name="l00953"></a>00953 <span class="keywordflow">break</span>;
<a name="l00954"></a>00954 <span class="keywordflow">case</span> <span class="charliteral">'D'</span>:
<a name="l00955"></a>00955 <span class="keywordflow">case</span> <span class="charliteral">'d'</span>:
<a name="l00956"></a>00956 rs-><a class="code" href="classlibdap_1_1Response.html#a7a7807d0a45dd1f6111987f054956e24">set_type</a>(<a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aa81aaa5f03d4278cb44a2148d13384710">dods_data</a>);
<a name="l00957"></a>00957 <span class="keywordflow">break</span>;
<a name="l00958"></a>00958 <span class="keywordflow">default</span>:
<a name="l00959"></a>00959 <span class="keywordflow">throw</span> InternalErr(__FILE__, __LINE__, <span class="stringliteral">"Could not determine type of response object in stream."</span>);
<a name="l00960"></a>00960 }
<a name="l00961"></a>00961
<a name="l00962"></a>00962 ungetc(c, rs-><a class="code" href="classlibdap_1_1Response.html#a5b4903bb627c5e6ccd4cd50712e1f0a1">get_stream</a>());
<a name="l00963"></a>00963 }
<a name="l00964"></a>00964
<a name="l00977"></a>00977 <span class="keywordtype">void</span>
<a name="l00978"></a><a class="code" href="classlibdap_1_1Connect.html#a486b095a58614dfc2be0321035784306">00978</a> <a class="code" href="classlibdap_1_1Connect.html#a486b095a58614dfc2be0321035784306" title="Read data from a file which does not have response MIME headers. This method is a companion to read_d...">Connect::read_data_no_mime</a>(<a class="code" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a> &data, <a class="code" href="classlibdap_1_1Response.html">Response</a> *rs)
<a name="l00979"></a>00979 {
<a name="l00980"></a>00980 <span class="keywordflow">if</span> (rs-><a class="code" href="classlibdap_1_1Response.html#ab69844a814ec4036a12336640b06e279">get_type</a>() == <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aa5ea9f0cd3ea158ca267b3c7266a215a3">unknown_type</a>)
<a name="l00981"></a>00981 divine_type_information(rs);
<a name="l00982"></a>00982
<a name="l00983"></a>00983 <span class="keywordflow">switch</span> (rs-><a class="code" href="classlibdap_1_1Response.html#ab69844a814ec4036a12336640b06e279">get_type</a>()) {
<a name="l00984"></a>00984 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aa81aaa5f03d4278cb44a2148d13384710">dods_data</a>:
<a name="l00985"></a>00985 d_version = rs-><a class="code" href="classlibdap_1_1Response.html#a654eedafce6ecb816324713150914fec">get_version</a>();
<a name="l00986"></a>00986 d_protocol = rs-><a class="code" href="classlibdap_1_1Response.html#ae33bebc83bcfbd2bf958697e4516b2d7">get_protocol</a>();
<a name="l00987"></a>00987 process_data(data, rs);
<a name="l00988"></a>00988 <span class="keywordflow">break</span>;
<a name="l00989"></a>00989 <span class="keywordflow">case</span> <a class="code" href="namespacelibdap.html#ae7466ed8496f06654ec276eac907c06aae2070a684067288a7ad65cb671c73a26">dap4_data_ddx</a>:
<a name="l00990"></a>00990 process_data(data, rs);
<a name="l00991"></a>00991 d_version = rs-><a class="code" href="classlibdap_1_1Response.html#a654eedafce6ecb816324713150914fec">get_version</a>();
<a name="l00992"></a>00992 d_protocol = data.<a class="code" href="classlibdap_1_1DataDDS.html#af43fc4392606e00c25ad9d8af7fc2a8f">get_protocol</a>();
<a name="l00993"></a>00993 <span class="keywordflow">break</span>;
<a name="l00994"></a>00994 <span class="keywordflow">default</span>:
<a name="l00995"></a>00995 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1InternalErr.html" title="A class for software fault reporting.">InternalErr</a>(__FILE__, __LINE__, <span class="stringliteral">"Should have been a DataDDS or DataDDX."</span>);
<a name="l00996"></a>00996 }
<a name="l00997"></a>00997 }
<a name="l00998"></a>00998
<a name="l00999"></a>00999 <span class="keywordtype">bool</span>
<a name="l01000"></a><a class="code" href="classlibdap_1_1Connect.html#a3901ce9383c3df11d1a1c28d4a09bb54">01000</a> <a class="code" href="classlibdap_1_1Connect.html#a3901ce9383c3df11d1a1c28d4a09bb54">Connect::is_local</a>()
<a name="l01001"></a>01001 {
<a name="l01002"></a>01002 <span class="keywordflow">return</span> _local;
<a name="l01003"></a>01003 }
<a name="l01004"></a>01004
<a name="l01021"></a>01021 <span class="keywordtype">string</span>
<a name="l01022"></a><a class="code" href="classlibdap_1_1Connect.html#a523bf24520185e3d71f36ac0203b98e6">01022</a> <a class="code" href="classlibdap_1_1Connect.html#a523bf24520185e3d71f36ac0203b98e6" title="Get the object&#39;s URL.">Connect::URL</a>(<span class="keywordtype">bool</span> ce)
<a name="l01023"></a>01023 {
<a name="l01024"></a>01024 <span class="keywordflow">if</span> (_local)
<a name="l01025"></a>01025 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1InternalErr.html" title="A class for software fault reporting.">InternalErr</a>(__FILE__, __LINE__,
<a name="l01026"></a>01026 <span class="stringliteral">"URL(): This call is only valid for a DAP data source."</span>);
<a name="l01027"></a>01027
<a name="l01028"></a>01028 <span class="keywordflow">if</span> (ce)
<a name="l01029"></a>01029 <span class="keywordflow">return</span> _URL + <span class="stringliteral">"?"</span> + _proj + _sel;
<a name="l01030"></a>01030 <span class="keywordflow">else</span>
<a name="l01031"></a>01031 <span class="keywordflow">return</span> _URL;
<a name="l01032"></a>01032 }
<a name="l01033"></a>01033
<a name="l01042"></a>01042 <span class="keywordtype">string</span>
<a name="l01043"></a><a class="code" href="classlibdap_1_1Connect.html#a0e55cc99530cab779ae83984c2a22f51">01043</a> <a class="code" href="classlibdap_1_1Connect.html#a0e55cc99530cab779ae83984c2a22f51" title="Get the Connect&#39;s constraint expression.">Connect::CE</a>()
<a name="l01044"></a>01044 {
<a name="l01045"></a>01045 <span class="keywordflow">if</span> (_local)
<a name="l01046"></a>01046 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1InternalErr.html" title="A class for software fault reporting.">InternalErr</a>(__FILE__, __LINE__,
<a name="l01047"></a>01047 <span class="stringliteral">"CE(): This call is only valid for a DAP data source."</span>);
<a name="l01048"></a>01048
<a name="l01049"></a>01049 <span class="keywordflow">return</span> _proj + _sel;
<a name="l01050"></a>01050 }
<a name="l01051"></a>01051
<a name="l01057"></a>01057 <span class="keywordtype">void</span>
<a name="l01058"></a><a class="code" href="classlibdap_1_1Connect.html#a847af75e149f123a51a560119dfc06aa">01058</a> <a class="code" href="classlibdap_1_1Connect.html#a847af75e149f123a51a560119dfc06aa" title="Set the credentials for responding to challenges while dereferencing URLs.">Connect::set_credentials</a>(<span class="keywordtype">string</span> u, <span class="keywordtype">string</span> p)
<a name="l01059"></a>01059 {
<a name="l01060"></a>01060 <span class="keywordflow">if</span> (d_http)
<a name="l01061"></a>01061 d_http-><a class="code" href="classlibdap_1_1HTTPConnect.html#a84190d0d80154943ee997c4982a7c96a">set_credentials</a>(u, p);
<a name="l01062"></a>01062 }
<a name="l01063"></a>01063
<a name="l01067"></a>01067 <span class="keywordtype">void</span>
<a name="l01068"></a><a class="code" href="classlibdap_1_1Connect.html#a186f76bfea3b61dc3587bcff5760ed8b">01068</a> <a class="code" href="classlibdap_1_1Connect.html#a186f76bfea3b61dc3587bcff5760ed8b">Connect::set_accept_deflate</a>(<span class="keywordtype">bool</span> <a class="code" href="namespacelibdap.html#aada86e90b40fc8068dbfe9be79f09e55a3b0e7efd18178acc018030f0e69565a5">deflate</a>)
<a name="l01069"></a>01069 {
<a name="l01070"></a>01070 <span class="keywordflow">if</span> (d_http)
<a name="l01071"></a>01071 d_http-><a class="code" href="classlibdap_1_1HTTPConnect.html#a01d67a5afa18a84ef744b8f222094260">set_accept_deflate</a>(deflate);
<a name="l01072"></a>01072 }
<a name="l01073"></a>01073
<a name="l01079"></a>01079 <span class="keywordtype">void</span>
<a name="l01080"></a><a class="code" href="classlibdap_1_1Connect.html#a4af759a2313d9ecbc1db1c811f549379">01080</a> <a class="code" href="classlibdap_1_1Connect.html#a4af759a2313d9ecbc1db1c811f549379">Connect::set_xdap_protocol</a>(<span class="keywordtype">int</span> major, <span class="keywordtype">int</span> minor)
<a name="l01081"></a>01081 {
<a name="l01082"></a>01082 <span class="keywordflow">if</span> (d_http)
<a name="l01083"></a>01083 d_http-><a class="code" href="classlibdap_1_1HTTPConnect.html#ac232e85c5d2448c66c1a24f62dcbf89a">set_xdap_protocol</a>(major, minor);
<a name="l01084"></a>01084 }
<a name="l01085"></a>01085
<a name="l01089"></a>01089 <span class="keywordtype">void</span>
<a name="l01090"></a><a class="code" href="classlibdap_1_1Connect.html#a25c97c4ad0239a9dd10812c880c40efe">01090</a> <a class="code" href="classlibdap_1_1Connect.html#a25c97c4ad0239a9dd10812c880c40efe">Connect::set_cache_enabled</a>(<span class="keywordtype">bool</span> cache)
<a name="l01091"></a>01091 {
<a name="l01092"></a>01092 <span class="keywordflow">if</span> (d_http)
<a name="l01093"></a>01093 d_http-><a class="code" href="classlibdap_1_1HTTPConnect.html#aaf200f19c2a64adc4b17887372dcc595">set_cache_enabled</a>(cache);
<a name="l01094"></a>01094 }
<a name="l01095"></a>01095
<a name="l01096"></a>01096 <span class="keywordtype">bool</span>
<a name="l01097"></a><a class="code" href="classlibdap_1_1Connect.html#a00fa7d5e2e658e8c882e07f48562ea62">01097</a> <a class="code" href="classlibdap_1_1Connect.html#a00fa7d5e2e658e8c882e07f48562ea62">Connect::is_cache_enabled</a>()
<a name="l01098"></a>01098 {
<a name="l01099"></a>01099 <span class="keywordtype">bool</span> status;
<a name="l01100"></a>01100 <a class="code" href="debug_8h.html#a32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"Entering is_cache_enabled ("</span> << hex << d_http << dec
<a name="l01101"></a>01101 << <span class="stringliteral">")... "</span>);
<a name="l01102"></a>01102 <span class="keywordflow">if</span> (d_http)
<a name="l01103"></a>01103 status = d_http-><a class="code" href="classlibdap_1_1HTTPConnect.html#a1e9a7b25527264a342dbe9c2aff59f2f">is_cache_enabled</a>();
<a name="l01104"></a>01104 <span class="keywordflow">else</span>
<a name="l01105"></a>01105 status = <span class="keyword">false</span>;
<a name="l01106"></a>01106 <a class="code" href="debug_8h.html#a0d28d57d1228cf13a4c1288cc4758344">DBGN</a>(cerr << <span class="stringliteral">"exiting"</span> << endl);
<a name="l01107"></a>01107 <span class="keywordflow">return</span> status;
<a name="l01108"></a>01108 }
<a name="l01109"></a>01109
<a name="l01110"></a>01110 } <span class="comment">// namespace libdap</span>
</pre></div></div>
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