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<a name="1" href="#1">1</a> <em class="comment">/*</em>
<a name="2" href="#2">2</a> <em class="comment"> * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.</em>
<a name="3" href="#3">3</a> <em class="comment"> *</em>
<a name="4" href="#4">4</a> <em class="comment"> * This software is open source.</em>
<a name="5" href="#5">5</a> <em class="comment"> * See the bottom of this file for the licence.</em>
<a name="6" href="#6">6</a> <em class="comment"> */</em>
<a name="7" href="#7">7</a>
<a name="8" href="#8">8</a> <strong>package</strong> <a href="../../../org/dom4j/io/package-summary.html">org.dom4j.io</a>;
<a name="9" href="#9">9</a>
<a name="10" href="#10">10</a> <strong>import</strong> java.util.List;
<a name="11" href="#11">11</a>
<a name="12" href="#12">12</a> <strong>import</strong> org.dom4j.Attribute;
<a name="13" href="#13">13</a> <strong>import</strong> org.dom4j.CDATA;
<a name="14" href="#14">14</a> <strong>import</strong> org.dom4j.Comment;
<a name="15" href="#15">15</a> <strong>import</strong> org.dom4j.Document;
<a name="16" href="#16">16</a> <strong>import</strong> org.dom4j.DocumentException;
<a name="17" href="#17">17</a> <strong>import</strong> org.dom4j.Element;
<a name="18" href="#18">18</a> <strong>import</strong> org.dom4j.Entity;
<a name="19" href="#19">19</a> <strong>import</strong> org.dom4j.Namespace;
<a name="20" href="#20">20</a> <strong>import</strong> org.dom4j.ProcessingInstruction;
<a name="21" href="#21">21</a> <strong>import</strong> org.dom4j.Text;
<a name="22" href="#22">22</a> <strong>import</strong> org.dom4j.tree.NamespaceStack;
<a name="23" href="#23">23</a>
<a name="24" href="#24">24</a> <strong>import</strong> org.w3c.dom.DOMImplementation;
<a name="25" href="#25">25</a>
<a name="26" href="#26">26</a> <em>/**<em>*</em></em>
<a name="27" href="#27">27</a> <em> * <p></em>
<a name="28" href="#28">28</a> <em> * <code>DOMWriter</code> takes a DOM4J tree and outputs it as a W3C DOM</em>
<a name="29" href="#29">29</a> <em> * object</em>
<a name="30" href="#30">30</a> <em> * </p></em>
<a name="31" href="#31">31</a> <em> * </em>
<a name="32" href="#32">32</a> <em> * @author <a href="<a href="mailto:james.strachan@metastuff.com" target="alexandria_uri">mailto:james.strachan@metastuff.com</a>">James Strachan </a></em>
<a name="33" href="#33">33</a> <em> * @version $Revision: 1.17 $</em>
<a name="34" href="#34">34</a> <em> */</em>
<a name="35" href="#35">35</a> <strong>public</strong> <strong>class</strong> <a href="../../../org/dom4j/io/DOMWriter.html">DOMWriter</a> {
<a name="36" href="#36">36</a> <strong>private</strong> <strong>static</strong> <strong>boolean</strong> loggedWarning = false;
<a name="37" href="#37">37</a>
<a name="38" href="#38">38</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> String[] DEFAULT_DOM_DOCUMENT_CLASSES = {
<a name="39" href="#39">39</a> <span class="string">"org.apache.xerces.dom.DocumentImpl"</span>, <em class="comment">// Xerces</em>
<a name="40" href="#40">40</a> <span class="string">"gnu.xml.dom.DomDocument"</span>, <em class="comment">// GNU JAXP</em>
<a name="41" href="#41">41</a> <span class="string">"org.apache.crimson.tree.XmlDocument"</span>, <em class="comment">// Crimson</em>
<a name="42" href="#42">42</a> <span class="string">"com.sun.xml.tree.XmlDocument"</span>, <em class="comment">// Sun's Project X</em>
<a name="43" href="#43">43</a> <span class="string">"oracle.xml.parser.v2.XMLDocument"</span>, <em class="comment">// Oracle V2</em>
<a name="44" href="#44">44</a> <span class="string">"oracle.xml.parser.XMLDocument"</span>, <em class="comment">// Oracle V1</em>
<a name="45" href="#45">45</a> <span class="string">"org.dom4j.dom.DOMDocument"</span> <em class="comment">// Internal DOM implementation</em>
<a name="46" href="#46">46</a> };
<a name="47" href="#47">47</a>
<a name="48" href="#48">48</a> <em class="comment">// the Class used to create new DOM Document instances</em>
<a name="49" href="#49">49</a> <strong>private</strong> Class domDocumentClass;
<a name="50" href="#50">50</a>
<a name="51" href="#51">51</a> <em>/**<em>* stack of <code>Namespace</code> objects */</em></em>
<a name="52" href="#52">52</a> <strong>private</strong> <a href="../../../org/dom4j/tree/NamespaceStack.html">NamespaceStack</a> namespaceStack = <strong>new</strong> <a href="../../../org/dom4j/tree/NamespaceStack.html">NamespaceStack</a>();
<a name="53" href="#53">53</a>
<a name="54" href="#54">54</a> <strong>public</strong> <a href="../../../org/dom4j/io/DOMWriter.html">DOMWriter</a>() {
<a name="55" href="#55">55</a> }
<a name="56" href="#56">56</a>
<a name="57" href="#57">57</a> <strong>public</strong> <a href="../../../org/dom4j/io/DOMWriter.html">DOMWriter</a>(Class domDocumentClass) {
<a name="58" href="#58">58</a> <strong>this</strong>.domDocumentClass = domDocumentClass;
<a name="59" href="#59">59</a> }
<a name="60" href="#60">60</a>
<a name="61" href="#61">61</a> <strong>public</strong> Class getDomDocumentClass() throws DocumentException {
<a name="62" href="#62">62</a> Class result = domDocumentClass;
<a name="63" href="#63">63</a>
<a name="64" href="#64">64</a> <strong>if</strong> (result == <strong>null</strong>) {
<a name="65" href="#65">65</a> <em class="comment">// lets try and find one in the classpath</em>
<a name="66" href="#66">66</a> <strong>int</strong> size = DEFAULT_DOM_DOCUMENT_CLASSES.length;
<a name="67" href="#67">67</a>
<a name="68" href="#68">68</a> <strong>for</strong> (<strong>int</strong> i = 0; i < size; i++) {
<a name="69" href="#69">69</a> <strong>try</strong> {
<a name="70" href="#70">70</a> String name = DEFAULT_DOM_DOCUMENT_CLASSES[i];
<a name="71" href="#71">71</a> result = Class.forName(name, <strong>true</strong>, DOMWriter.<strong>class</strong>
<a name="72" href="#72">72</a> .getClassLoader());
<a name="73" href="#73">73</a>
<a name="74" href="#74">74</a> <strong>if</strong> (result != <strong>null</strong>) {
<a name="75" href="#75">75</a> <strong>break</strong>;
<a name="76" href="#76">76</a> }
<a name="77" href="#77">77</a> } <strong>catch</strong> (Exception e) {
<a name="78" href="#78">78</a> <em class="comment">// could not load class correctly</em>
<a name="79" href="#79">79</a> <em class="comment">// lets carry on to the next one</em>
<a name="80" href="#80">80</a> }
<a name="81" href="#81">81</a> }
<a name="82" href="#82">82</a> }
<a name="83" href="#83">83</a>
<a name="84" href="#84">84</a> <strong>return</strong> result;
<a name="85" href="#85">85</a> }
<a name="86" href="#86">86</a>
<a name="87" href="#87">87</a> <em>/**<em>*</em></em>
<a name="88" href="#88">88</a> <em> * Sets the DOM {@link org.w3c.dom.Document}implementation class used by</em>
<a name="89" href="#89">89</a> <em> * the writer when creating DOM documents.</em>
<a name="90" href="#90">90</a> <em> * </em>
<a name="91" href="#91">91</a> <em> * @param domDocumentClass</em>
<a name="92" href="#92">92</a> <em> * is the Class implementing the {@linkorg.w3c.dom.Document}</em>
<a name="93" href="#93">93</a> <em> * interface</em>
<a name="94" href="#94">94</a> <em> */</em>
<a name="95" href="#95">95</a> <strong>public</strong> <strong>void</strong> setDomDocumentClass(Class domDocumentClass) {
<a name="96" href="#96">96</a> <strong>this</strong>.domDocumentClass = domDocumentClass;
<a name="97" href="#97">97</a> }
<a name="98" href="#98">98</a>
<a name="99" href="#99">99</a> <em>/**<em>*</em></em>
<a name="100" href="#100">100</a> <em> * Sets the DOM {@link org.w3c.dom.Document}implementation class name used</em>
<a name="101" href="#101">101</a> <em> * by the writer when creating DOM documents.</em>
<a name="102" href="#102">102</a> <em> * </em>
<a name="103" href="#103">103</a> <em> * @param name</em>
<a name="104" href="#104">104</a> <em> * is the name of the Class implementing the {@link</em>
<a name="105" href="#105">105</a> <em> * org.w3c.dom.Document} interface</em>
<a name="106" href="#106">106</a> <em> * </em>
<a name="107" href="#107">107</a> <em> * @throws DocumentException</em>
<a name="108" href="#108">108</a> <em> * if the class could not be loaded</em>
<a name="109" href="#109">109</a> <em> */</em>
<a name="110" href="#110">110</a> <strong>public</strong> <strong>void</strong> setDomDocumentClassName(String name) throws DocumentException {
<a name="111" href="#111">111</a> <strong>try</strong> {
<a name="112" href="#112">112</a> <strong>this</strong>.domDocumentClass = Class.forName(name, <strong>true</strong>, DOMWriter.<strong>class</strong>
<a name="113" href="#113">113</a> .getClassLoader());
<a name="114" href="#114">114</a> } <strong>catch</strong> (Exception e) {
<a name="115" href="#115">115</a> <strong>throw</strong> <strong>new</strong> <a href="../../../org/dom4j/DocumentException.html">DocumentException</a>(<span class="string">"Could not load the DOM Document "</span>
<a name="116" href="#116">116</a> + <span class="string">"class: "</span> + name, e);
<a name="117" href="#117">117</a> }
<a name="118" href="#118">118</a> }
<a name="119" href="#119">119</a>
<a name="120" href="#120">120</a> <strong>public</strong> org.w3c.dom.Document write(<a href="../../../org/dom4j/Document.html">Document</a> document)
<a name="121" href="#121">121</a> throws <a href="../../../org/dom4j/DocumentException.html">DocumentException</a> {
<a name="122" href="#122">122</a> <strong>if</strong> (document instanceof org.w3c.dom.Document) {
<a name="123" href="#123">123</a> <strong>return</strong> (org.w3c.dom.Document) document;
<a name="124" href="#124">124</a> }
<a name="125" href="#125">125</a>
<a name="126" href="#126">126</a> resetNamespaceStack();
<a name="127" href="#127">127</a>
<a name="128" href="#128">128</a> org.w3c.dom.Document domDocument = createDomDocument(document);
<a name="129" href="#129">129</a> appendDOMTree(domDocument, domDocument, document.content());
<a name="130" href="#130">130</a> namespaceStack.clear();
<a name="131" href="#131">131</a>
<a name="132" href="#132">132</a> <strong>return</strong> domDocument;
<a name="133" href="#133">133</a> }
<a name="134" href="#134">134</a>
<a name="135" href="#135">135</a> <strong>public</strong> org.w3c.dom.Document write(<a href="../../../org/dom4j/Document.html">Document</a> document,
<a name="136" href="#136">136</a> org.w3c.dom.DOMImplementation domImpl) throws DocumentException {
<a name="137" href="#137">137</a> <strong>if</strong> (document instanceof org.w3c.dom.Document) {
<a name="138" href="#138">138</a> <strong>return</strong> (org.w3c.dom.Document) document;
<a name="139" href="#139">139</a> }
<a name="140" href="#140">140</a>
<a name="141" href="#141">141</a> resetNamespaceStack();
<a name="142" href="#142">142</a>
<a name="143" href="#143">143</a> org.w3c.dom.Document domDocument = createDomDocument(document, domImpl);
<a name="144" href="#144">144</a> appendDOMTree(domDocument, domDocument, document.content());
<a name="145" href="#145">145</a> namespaceStack.clear();
<a name="146" href="#146">146</a>
<a name="147" href="#147">147</a> <strong>return</strong> domDocument;
<a name="148" href="#148">148</a> }
<a name="149" href="#149">149</a>
<a name="150" href="#150">150</a> <strong>protected</strong> <strong>void</strong> appendDOMTree(org.w3c.dom.Document domDocument,
<a name="151" href="#151">151</a> org.w3c.dom.Node domCurrent, List content) {
<a name="152" href="#152">152</a> <strong>int</strong> size = content.size();
<a name="153" href="#153">153</a>
<a name="154" href="#154">154</a> <strong>for</strong> (<strong>int</strong> i = 0; i < size; i++) {
<a name="155" href="#155">155</a> Object object = content.get(i);
<a name="156" href="#156">156</a>
<a name="157" href="#157">157</a> <strong>if</strong> (object instanceof Element) {
<a name="158" href="#158">158</a> appendDOMTree(domDocument, domCurrent, (Element) object);
<a name="159" href="#159">159</a> } <strong>else</strong> <strong>if</strong> (object instanceof String) {
<a name="160" href="#160">160</a> appendDOMTree(domDocument, domCurrent, (String) object);
<a name="161" href="#161">161</a> } <strong>else</strong> <strong>if</strong> (object instanceof Text) {
<a name="162" href="#162">162</a> <a href="../../../org/dom4j/Text.html">Text</a> text = (Text) object;
<a name="163" href="#163">163</a> appendDOMTree(domDocument, domCurrent, text.getText());
<a name="164" href="#164">164</a> } <strong>else</strong> <strong>if</strong> (object instanceof CDATA) {
<a name="165" href="#165">165</a> appendDOMTree(domDocument, domCurrent, (CDATA) object);
<a name="166" href="#166">166</a> } <strong>else</strong> <strong>if</strong> (object instanceof Comment) {
<a name="167" href="#167">167</a> appendDOMTree(domDocument, domCurrent, (Comment) object);
<a name="168" href="#168">168</a> } <strong>else</strong> <strong>if</strong> (object instanceof Entity) {
<a name="169" href="#169">169</a> appendDOMTree(domDocument, domCurrent, (Entity) object);
<a name="170" href="#170">170</a> } <strong>else</strong> <strong>if</strong> (object instanceof ProcessingInstruction) {
<a name="171" href="#171">171</a> appendDOMTree(domDocument, domCurrent,
<a name="172" href="#172">172</a> (<a href="../../../org/dom4j/ProcessingInstruction.html">ProcessingInstruction</a>) object);
<a name="173" href="#173">173</a> }
<a name="174" href="#174">174</a> }
<a name="175" href="#175">175</a> }
<a name="176" href="#176">176</a>
<a name="177" href="#177">177</a> <strong>protected</strong> <strong>void</strong> appendDOMTree(org.w3c.dom.Document domDocument,
<a name="178" href="#178">178</a> org.w3c.dom.Node domCurrent, <a href="../../../org/dom4j/Element.html">Element</a> element) {
<a name="179" href="#179">179</a> String elUri = element.getNamespaceURI();
<a name="180" href="#180">180</a> String elName = element.getQualifiedName();
<a name="181" href="#181">181</a> org.w3c.dom.Element domElement = domDocument.createElementNS(elUri,
<a name="182" href="#182">182</a> elName);
<a name="183" href="#183">183</a>
<a name="184" href="#184">184</a> <strong>int</strong> stackSize = namespaceStack.size();
<a name="185" href="#185">185</a>
<a name="186" href="#186">186</a> <em class="comment">// add the namespace of the element first</em>
<a name="187" href="#187">187</a> <a href="../../../org/dom4j/Namespace.html">Namespace</a> elementNamespace = element.getNamespace();
<a name="188" href="#188">188</a>
<a name="189" href="#189">189</a> <strong>if</strong> (isNamespaceDeclaration(elementNamespace)) {
<a name="190" href="#190">190</a> namespaceStack.push(elementNamespace);
<a name="191" href="#191">191</a> writeNamespace(domElement, elementNamespace);
<a name="192" href="#192">192</a> }
<a name="193" href="#193">193</a>
<a name="194" href="#194">194</a> <em class="comment">// add the additional declared namespaces</em>
<a name="195" href="#195">195</a> List declaredNamespaces = element.declaredNamespaces();
<a name="196" href="#196">196</a>
<a name="197" href="#197">197</a> <strong>for</strong> (<strong>int</strong> i = 0, size = declaredNamespaces.size(); i < size; i++) {
<a name="198" href="#198">198</a> <a href="../../../org/dom4j/Namespace.html">Namespace</a> namespace = (Namespace) declaredNamespaces.get(i);
<a name="199" href="#199">199</a>
<a name="200" href="#200">200</a> <strong>if</strong> (isNamespaceDeclaration(namespace)) {
<a name="201" href="#201">201</a> namespaceStack.push(namespace);
<a name="202" href="#202">202</a> writeNamespace(domElement, namespace);
<a name="203" href="#203">203</a> }
<a name="204" href="#204">204</a> }
<a name="205" href="#205">205</a>
<a name="206" href="#206">206</a> <em class="comment">// add the attributes</em>
<a name="207" href="#207">207</a> <strong>for</strong> (<strong>int</strong> i = 0, size = element.attributeCount(); i < size; i++) {
<a name="208" href="#208">208</a> <a href="../../../org/dom4j/Attribute.html">Attribute</a> attribute = (Attribute) element.attribute(i);
<a name="209" href="#209">209</a> String attUri = attribute.getNamespaceURI();
<a name="210" href="#210">210</a> String attName = attribute.getQualifiedName();
<a name="211" href="#211">211</a> String value = attribute.getValue();
<a name="212" href="#212">212</a> domElement.setAttributeNS(attUri, attName, value);
<a name="213" href="#213">213</a> }
<a name="214" href="#214">214</a>
<a name="215" href="#215">215</a> <em class="comment">// add content</em>
<a name="216" href="#216">216</a> appendDOMTree(domDocument, domElement, element.content());
<a name="217" href="#217">217</a>
<a name="218" href="#218">218</a> domCurrent.appendChild(domElement);
<a name="219" href="#219">219</a>
<a name="220" href="#220">220</a> <strong>while</strong> (namespaceStack.size() > stackSize) {
<a name="221" href="#221">221</a> namespaceStack.pop();
<a name="222" href="#222">222</a> }
<a name="223" href="#223">223</a> }
<a name="224" href="#224">224</a>
<a name="225" href="#225">225</a> <strong>protected</strong> <strong>void</strong> appendDOMTree(org.w3c.dom.Document domDocument,
<a name="226" href="#226">226</a> org.w3c.dom.Node domCurrent, <a href="../../../org/dom4j/CDATA.html">CDATA</a> cdata) {
<a name="227" href="#227">227</a> org.w3c.dom.CDATASection domCDATA = domDocument
<a name="228" href="#228">228</a> .createCDATASection(cdata.getText());
<a name="229" href="#229">229</a> domCurrent.appendChild(domCDATA);
<a name="230" href="#230">230</a> }
<a name="231" href="#231">231</a>
<a name="232" href="#232">232</a> <strong>protected</strong> <strong>void</strong> appendDOMTree(org.w3c.dom.Document domDocument,
<a name="233" href="#233">233</a> org.w3c.dom.Node domCurrent, <a href="../../../org/dom4j/Comment.html">Comment</a> comment) {
<a name="234" href="#234">234</a> org.w3c.dom.Comment domComment = domDocument.createComment(comment
<a name="235" href="#235">235</a> .getText());
<a name="236" href="#236">236</a> domCurrent.appendChild(domComment);
<a name="237" href="#237">237</a> }
<a name="238" href="#238">238</a>
<a name="239" href="#239">239</a> <strong>protected</strong> <strong>void</strong> appendDOMTree(org.w3c.dom.Document domDocument,
<a name="240" href="#240">240</a> org.w3c.dom.Node domCurrent, String text) {
<a name="241" href="#241">241</a> org.w3c.dom.Text domText = domDocument.createTextNode(text);
<a name="242" href="#242">242</a> domCurrent.appendChild(domText);
<a name="243" href="#243">243</a> }
<a name="244" href="#244">244</a>
<a name="245" href="#245">245</a> <strong>protected</strong> <strong>void</strong> appendDOMTree(org.w3c.dom.Document domDocument,
<a name="246" href="#246">246</a> org.w3c.dom.Node domCurrent, <a href="../../../org/dom4j/Entity.html">Entity</a> entity) {
<a name="247" href="#247">247</a> org.w3c.dom.EntityReference domEntity = domDocument
<a name="248" href="#248">248</a> .createEntityReference(entity.getName());
<a name="249" href="#249">249</a> domCurrent.appendChild(domEntity);
<a name="250" href="#250">250</a> }
<a name="251" href="#251">251</a>
<a name="252" href="#252">252</a> <strong>protected</strong> <strong>void</strong> appendDOMTree(org.w3c.dom.Document domDoc,
<a name="253" href="#253">253</a> org.w3c.dom.Node domCurrent, <a href="../../../org/dom4j/ProcessingInstruction.html">ProcessingInstruction</a> pi) {
<a name="254" href="#254">254</a> org.w3c.dom.ProcessingInstruction domPI = domDoc
<a name="255" href="#255">255</a> .createProcessingInstruction(pi.getTarget(), pi.getText());
<a name="256" href="#256">256</a> domCurrent.appendChild(domPI);
<a name="257" href="#257">257</a> }
<a name="258" href="#258">258</a>
<a name="259" href="#259">259</a> <strong>protected</strong> <strong>void</strong> writeNamespace(org.w3c.dom.Element domElement,
<a name="260" href="#260">260</a> <a href="../../../org/dom4j/Namespace.html">Namespace</a> namespace) {
<a name="261" href="#261">261</a> String attributeName = attributeNameForNamespace(namespace);
<a name="262" href="#262">262</a>
<a name="263" href="#263">263</a> <em class="comment">// domElement.setAttributeNS("", attributeName, namespace.getURI());</em>
<a name="264" href="#264">264</a> domElement.setAttribute(attributeName, namespace.getURI());
<a name="265" href="#265">265</a> }
<a name="266" href="#266">266</a>
<a name="267" href="#267">267</a> <strong>protected</strong> String attributeNameForNamespace(<a href="../../../org/dom4j/Namespace.html">Namespace</a> namespace) {
<a name="268" href="#268">268</a> String xmlns = <span class="string">"xmlns"</span>;
<a name="269" href="#269">269</a> String prefix = namespace.getPrefix();
<a name="270" href="#270">270</a>
<a name="271" href="#271">271</a> <strong>if</strong> (prefix.length() > 0) {
<a name="272" href="#272">272</a> <strong>return</strong> xmlns + <span class="string">":"</span> + prefix;
<a name="273" href="#273">273</a> }
<a name="274" href="#274">274</a>
<a name="275" href="#275">275</a> <strong>return</strong> xmlns;
<a name="276" href="#276">276</a> }
<a name="277" href="#277">277</a>
<a name="278" href="#278">278</a> <strong>protected</strong> org.w3c.dom.Document createDomDocument(<a href="../../../org/dom4j/Document.html">Document</a> document)
<a name="279" href="#279">279</a> throws <a href="../../../org/dom4j/DocumentException.html">DocumentException</a> {
<a name="280" href="#280">280</a> org.w3c.dom.Document result = <strong>null</strong>;
<a name="281" href="#281">281</a>
<a name="282" href="#282">282</a> <em class="comment">// use the given domDocumentClass (if not null)</em>
<a name="283" href="#283">283</a> <strong>if</strong> (domDocumentClass != <strong>null</strong>) {
<a name="284" href="#284">284</a> <strong>try</strong> {
<a name="285" href="#285">285</a> result = (org.w3c.dom.Document) domDocumentClass.newInstance();
<a name="286" href="#286">286</a> } <strong>catch</strong> (Exception e) {
<a name="287" href="#287">287</a> <strong>throw</strong> <strong>new</strong> <a href="../../../org/dom4j/DocumentException.html">DocumentException</a>(
<a name="288" href="#288">288</a> <span class="string">"Could not instantiate an instance "</span>
<a name="289" href="#289">289</a> + <span class="string">"of DOM Document with class: "</span>
<a name="290" href="#290">290</a> + domDocumentClass.getName(), e);
<a name="291" href="#291">291</a> }
<a name="292" href="#292">292</a> } <strong>else</strong> {
<a name="293" href="#293">293</a> <em class="comment">// lets try JAXP first before using the hardcoded default parsers</em>
<a name="294" href="#294">294</a> result = createDomDocumentViaJAXP();
<a name="295" href="#295">295</a>
<a name="296" href="#296">296</a> <strong>if</strong> (result == <strong>null</strong>) {
<a name="297" href="#297">297</a> Class theClass = getDomDocumentClass();
<a name="298" href="#298">298</a>
<a name="299" href="#299">299</a> <strong>try</strong> {
<a name="300" href="#300">300</a> result = (org.w3c.dom.Document) theClass.newInstance();
<a name="301" href="#301">301</a> } <strong>catch</strong> (Exception e) {
<a name="302" href="#302">302</a> <strong>throw</strong> <strong>new</strong> <a href="../../../org/dom4j/DocumentException.html">DocumentException</a>(<span class="string">"Could not instantiate an "</span>
<a name="303" href="#303">303</a> + <span class="string">"instance of DOM Document "</span> + <span class="string">"with class: "</span>
<a name="304" href="#304">304</a> + theClass.getName(), e);
<a name="305" href="#305">305</a> }
<a name="306" href="#306">306</a> }
<a name="307" href="#307">307</a> }
<a name="308" href="#308">308</a>
<a name="309" href="#309">309</a> <strong>return</strong> result;
<a name="310" href="#310">310</a> }
<a name="311" href="#311">311</a>
<a name="312" href="#312">312</a> <strong>protected</strong> org.w3c.dom.Document createDomDocumentViaJAXP()
<a name="313" href="#313">313</a> throws <a href="../../../org/dom4j/DocumentException.html">DocumentException</a> {
<a name="314" href="#314">314</a> <strong>try</strong> {
<a name="315" href="#315">315</a> <strong>return</strong> JAXPHelper.createDocument(false, <strong>true</strong>);
<a name="316" href="#316">316</a> } <strong>catch</strong> (Throwable e) {
<a name="317" href="#317">317</a> <strong>if</strong> (!loggedWarning) {
<a name="318" href="#318">318</a> loggedWarning = <strong>true</strong>;
<a name="319" href="#319">319</a>
<a name="320" href="#320">320</a> <strong>if</strong> (SAXHelper.isVerboseErrorReporting()) {
<a name="321" href="#321">321</a> <em class="comment">// log all exceptions as warnings and carry</em>
<a name="322" href="#322">322</a> <em class="comment">// on as we have a default SAX parser we can use</em>
<a name="323" href="#323">323</a> System.out.println(<span class="string">"Warning: Caught exception attempting "</span>
<a name="324" href="#324">324</a> + <span class="string">"to use JAXP to create a W3C DOM "</span> + <span class="string">"document"</span>);
<a name="325" href="#325">325</a> System.out.println(<span class="string">"Warning: Exception was: "</span> + e);
<a name="326" href="#326">326</a> e.printStackTrace();
<a name="327" href="#327">327</a> } <strong>else</strong> {
<a name="328" href="#328">328</a> System.out.println(<span class="string">"Warning: Error occurred using JAXP to "</span>
<a name="329" href="#329">329</a> + <span class="string">"create a DOM document."</span>);
<a name="330" href="#330">330</a> }
<a name="331" href="#331">331</a> }
<a name="332" href="#332">332</a> }
<a name="333" href="#333">333</a>
<a name="334" href="#334">334</a> <strong>return</strong> <strong>null</strong>;
<a name="335" href="#335">335</a> }
<a name="336" href="#336">336</a>
<a name="337" href="#337">337</a> <strong>protected</strong> org.w3c.dom.Document createDomDocument(<a href="../../../org/dom4j/Document.html">Document</a> document,
<a name="338" href="#338">338</a> DOMImplementation domImpl) throws DocumentException {
<a name="339" href="#339">339</a> String namespaceURI = <strong>null</strong>;
<a name="340" href="#340">340</a> String qualifiedName = <strong>null</strong>;
<a name="341" href="#341">341</a> org.w3c.dom.DocumentType docType = <strong>null</strong>;
<a name="342" href="#342">342</a>
<a name="343" href="#343">343</a> <strong>return</strong> domImpl.createDocument(namespaceURI, qualifiedName, docType);
<a name="344" href="#344">344</a> }
<a name="345" href="#345">345</a>
<a name="346" href="#346">346</a> <strong>protected</strong> <strong>boolean</strong> isNamespaceDeclaration(<a href="../../../org/dom4j/Namespace.html">Namespace</a> ns) {
<a name="347" href="#347">347</a> <strong>if</strong> ((ns != <strong>null</strong>) && (ns != Namespace.NO_NAMESPACE)
<a name="348" href="#348">348</a> && (ns != Namespace.XML_NAMESPACE)) {
<a name="349" href="#349">349</a> String uri = ns.getURI();
<a name="350" href="#350">350</a>
<a name="351" href="#351">351</a> <strong>if</strong> ((uri != <strong>null</strong>) && (uri.length() > 0)) {
<a name="352" href="#352">352</a> <strong>if</strong> (!namespaceStack.contains(ns)) {
<a name="353" href="#353">353</a> <strong>return</strong> <strong>true</strong>;
<a name="354" href="#354">354</a> }
<a name="355" href="#355">355</a> }
<a name="356" href="#356">356</a> }
<a name="357" href="#357">357</a>
<a name="358" href="#358">358</a> <strong>return</strong> false;
<a name="359" href="#359">359</a> }
<a name="360" href="#360">360</a>
<a name="361" href="#361">361</a> <strong>protected</strong> <strong>void</strong> resetNamespaceStack() {
<a name="362" href="#362">362</a> namespaceStack.clear();
<a name="363" href="#363">363</a> namespaceStack.push(Namespace.XML_NAMESPACE);
<a name="364" href="#364">364</a> }
<a name="365" href="#365">365</a> }
<a name="366" href="#366">366</a>
<a name="367" href="#367">367</a> <em class="comment">/*</em>
<a name="368" href="#368">368</a> <em class="comment"> * Redistribution and use of this software and associated documentation</em>
<a name="369" href="#369">369</a> <em class="comment"> * ("Software"), with or without modification, are permitted provided that the</em>
<a name="370" href="#370">370</a> <em class="comment"> * following conditions are met:</em>
<a name="371" href="#371">371</a> <em class="comment"> * </em>
<a name="372" href="#372">372</a> <em class="comment"> * 1. Redistributions of source code must retain copyright statements and</em>
<a name="373" href="#373">373</a> <em class="comment"> * notices. Redistributions must also contain a copy of this document.</em>
<a name="374" href="#374">374</a> <em class="comment"> * </em>
<a name="375" href="#375">375</a> <em class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</em>
<a name="376" href="#376">376</a> <em class="comment"> * this list of conditions and the following disclaimer in the documentation</em>
<a name="377" href="#377">377</a> <em class="comment"> * and/or other materials provided with the distribution.</em>
<a name="378" href="#378">378</a> <em class="comment"> * </em>
<a name="379" href="#379">379</a> <em class="comment"> * 3. The name "DOM4J" must not be used to endorse or promote products derived</em>
<a name="380" href="#380">380</a> <em class="comment"> * from this Software without prior written permission of MetaStuff, Ltd. For</em>
<a name="381" href="#381">381</a> <em class="comment"> * written permission, please contact dom4j-info@metastuff.com.</em>
<a name="382" href="#382">382</a> <em class="comment"> * </em>
<a name="383" href="#383">383</a> <em class="comment"> * 4. Products derived from this Software may not be called "DOM4J" nor may</em>
<a name="384" href="#384">384</a> <em class="comment"> * "DOM4J" appear in their names without prior written permission of MetaStuff,</em>
<a name="385" href="#385">385</a> <em class="comment"> * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.</em>
<a name="386" href="#386">386</a> <em class="comment"> * </em>
<a name="387" href="#387">387</a> <em class="comment"> * 5. Due credit should be given to the DOM4J Project - <a href="http://www.dom4j.org" target="alexandria_uri">http://www.dom4j.org</a></em>
<a name="388" href="#388">388</a> <em class="comment"> * </em>
<a name="389" href="#389">389</a> <em class="comment"> * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND</em>
<a name="390" href="#390">390</a> <em class="comment"> * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</em>
<a name="391" href="#391">391</a> <em class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</em>
<a name="392" href="#392">392</a> <em class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE</em>
<a name="393" href="#393">393</a> <em class="comment"> * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR</em>
<a name="394" href="#394">394</a> <em class="comment"> * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</em>
<a name="395" href="#395">395</a> <em class="comment"> * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</em>
<a name="396" href="#396">396</a> <em class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</em>
<a name="397" href="#397">397</a> <em class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</em>
<a name="398" href="#398">398</a> <em class="comment"> * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</em>
<a name="399" href="#399">399</a> <em class="comment"> * POSSIBILITY OF SUCH DAMAGE.</em>
<a name="400" href="#400">400</a> <em class="comment"> * </em>
<a name="401" href="#401">401</a> <em class="comment"> * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.</em>
<a name="402" href="#402">402</a> <em class="comment"> */</em>
</pre>
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