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ConversionRules
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net.sf.saxon.lib</FONT>
<BR>
Class ConversionRules</H2>
<PRE>
<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>net.sf.saxon.lib.ConversionRules</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://download.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public class <B>ConversionRules</B><DT>extends <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A><DT>implements <A HREF="http://download.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</A></DL>
</PRE>
<P>
This class defines a set of rules for converting between different atomic types. It handles the variations
that arise between different versions of the W3C specifications, for example the changes in Name syntax
between XML 1.0 and XML 1.1, the introduction of "+INF" as a permitted xs:double value in XSD 1.1, and so on.
<p>It is possible to nominate a customized <code>ConversionRules</code> object at the level of the
<A HREF="../../../../net/sf/saxon/Configuration.html" title="class in net.sf.saxon"><CODE>Configuration</CODE></A>, either by instantiating this class and changing the properties, or
by subclassing.</p>
<P>
<P>
<DL>
<DT><B>Since:</B></DT>
<DD>9.3</DD>
<DT><B>See Also:</B><DD><A HREF="../../../../net/sf/saxon/Configuration.html#setConversionRules(net.sf.saxon.lib.ConversionRules)"><CODE>Configuration.setConversionRules(ConversionRules)</CODE></A>,
<A HREF="../../../../serialized-form.html#net.sf.saxon.lib.ConversionRules">Serialized Form</A></DL>
<HR>
<P>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<B>Constructor Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../net/sf/saxon/lib/ConversionRules.html#ConversionRules()">ConversionRules</A></B>()</CODE>
<BR>
</TD>
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<!-- ========== METHOD SUMMARY =========== -->
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Method Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../net/sf/saxon/lib/ConversionRules.html" title="class in net.sf.saxon.lib">ConversionRules</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/lib/ConversionRules.html#copy()">copy</A></B>()</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../net/sf/saxon/type/Converter.html" title="class in net.sf.saxon.type">Converter</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/lib/ConversionRules.html#getConverter(net.sf.saxon.type.AtomicType, net.sf.saxon.type.AtomicType)">getConverter</A></B>(<A HREF="../../../../net/sf/saxon/type/AtomicType.html" title="interface in net.sf.saxon.type">AtomicType</A> source,
<A HREF="../../../../net/sf/saxon/type/AtomicType.html" title="interface in net.sf.saxon.type">AtomicType</A> target)</CODE>
<BR>
Get a Converter for a given pair of atomic types.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../net/sf/saxon/om/NameChecker.html" title="class in net.sf.saxon.om">NameChecker</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/lib/ConversionRules.html#getNameChecker()">getNameChecker</A></B>()</CODE>
<BR>
Get the class that will be used to check whether XML names are valid.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../net/sf/saxon/type/StringConverter.html" title="class in net.sf.saxon.type">StringConverter</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/lib/ConversionRules.html#getStringConverter(net.sf.saxon.type.AtomicType)">getStringConverter</A></B>(<A HREF="../../../../net/sf/saxon/type/AtomicType.html" title="interface in net.sf.saxon.type">AtomicType</A> target)</CODE>
<BR>
Get a Converter that converts from strings to a given atomic type.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../net/sf/saxon/type/StringToDouble.html" title="class in net.sf.saxon.type">StringToDouble</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/lib/ConversionRules.html#getStringToDoubleConverter()">getStringToDoubleConverter</A></B>()</CODE>
<BR>
Get the converter that will be used for converting strings to doubles and floats.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/lib/ConversionRules.html#isAllowYearZero()">isAllowYearZero</A></B>()</CODE>
<BR>
Ask whether year zero is permitted in dates.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/lib/ConversionRules.html#isDeclaredNotation(java.lang.String, java.lang.String)">isDeclaredNotation</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> uri,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> local)</CODE>
<BR>
Ask whether a given notation is accepted by xs:NOTATION and its subclasses.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/lib/ConversionRules.html#isValidURI(java.lang.CharSequence)">isValidURI</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/CharSequence.html?is-external=true" title="class or interface in java.lang">CharSequence</A> string)</CODE>
<BR>
Ask whether a string is a valid instance of xs:anyURI according to the rules
defined by the current URIChecker</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/lib/ConversionRules.html#setAllowYearZero(boolean)">setAllowYearZero</A></B>(boolean allowed)</CODE>
<BR>
Say whether year zero is permitted in dates.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/lib/ConversionRules.html#setNameChecker(net.sf.saxon.om.NameChecker)">setNameChecker</A></B>(<A HREF="../../../../net/sf/saxon/om/NameChecker.html" title="class in net.sf.saxon.om">NameChecker</A> checker)</CODE>
<BR>
Set the class that will be used to check whether XML names are valid.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/lib/ConversionRules.html#setNotationSet(net.sf.saxon.om.NotationSet)">setNotationSet</A></B>(<A HREF="../../../../net/sf/saxon/om/NotationSet.html" title="interface in net.sf.saxon.om">NotationSet</A> notations)</CODE>
<BR>
Specify the set of notations that are accepted by xs:NOTATION and its subclasses.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/lib/ConversionRules.html#setStringToDoubleConverter(net.sf.saxon.type.StringToDouble)">setStringToDoubleConverter</A></B>(<A HREF="../../../../net/sf/saxon/type/StringToDouble.html" title="class in net.sf.saxon.type">StringToDouble</A> converter)</CODE>
<BR>
Set the converter that will be used for converting strings to doubles and floats.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/lib/ConversionRules.html#setURIChecker(net.sf.saxon.lib.URIChecker)">setURIChecker</A></B>(<A HREF="../../../../net/sf/saxon/lib/URIChecker.html" title="interface in net.sf.saxon.lib">URIChecker</A> checker)</CODE>
<BR>
Set the class to be used for checking URI values.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
</TR>
</TABLE>
<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="ConversionRules()"><!-- --></A><H3>
ConversionRules</H3>
<PRE>
public <B>ConversionRules</B>()</PRE>
<DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
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<B>Method Detail</B></FONT></TH>
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<A NAME="copy()"><!-- --></A><H3>
copy</H3>
<PRE>
public <A HREF="../../../../net/sf/saxon/lib/ConversionRules.html" title="class in net.sf.saxon.lib">ConversionRules</A> <B>copy</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setNameChecker(net.sf.saxon.om.NameChecker)"><!-- --></A><H3>
setNameChecker</H3>
<PRE>
public void <B>setNameChecker</B>(<A HREF="../../../../net/sf/saxon/om/NameChecker.html" title="class in net.sf.saxon.om">NameChecker</A> checker)</PRE>
<DL>
<DD>Set the class that will be used to check whether XML names are valid.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>checker</CODE> - the class to be used for checking names. There are variants of this
class depending on which version/edition of the XML specification is in use.</DL>
</DD>
</DL>
<HR>
<A NAME="getNameChecker()"><!-- --></A><H3>
getNameChecker</H3>
<PRE>
public <A HREF="../../../../net/sf/saxon/om/NameChecker.html" title="class in net.sf.saxon.om">NameChecker</A> <B>getNameChecker</B>()</PRE>
<DL>
<DD>Get the class that will be used to check whether XML names are valid.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the class to be used for checking names. There are variants of this
class depending on which version/edition of the XML specification is in use.</DL>
</DD>
</DL>
<HR>
<A NAME="setStringToDoubleConverter(net.sf.saxon.type.StringToDouble)"><!-- --></A><H3>
setStringToDoubleConverter</H3>
<PRE>
public void <B>setStringToDoubleConverter</B>(<A HREF="../../../../net/sf/saxon/type/StringToDouble.html" title="class in net.sf.saxon.type">StringToDouble</A> converter)</PRE>
<DL>
<DD>Set the converter that will be used for converting strings to doubles and floats.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>converter</CODE> - the converter to be used. There are two converters in regular use:
they differ only in whether the lexical value "+INF" is recognized as a representation of
positive infinity.</DL>
</DD>
</DL>
<HR>
<A NAME="getStringToDoubleConverter()"><!-- --></A><H3>
getStringToDoubleConverter</H3>
<PRE>
public <A HREF="../../../../net/sf/saxon/type/StringToDouble.html" title="class in net.sf.saxon.type">StringToDouble</A> <B>getStringToDoubleConverter</B>()</PRE>
<DL>
<DD>Get the converter that will be used for converting strings to doubles and floats.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the converter to be used. There are two converters in regular use:
they differ only in whether the lexical value "+INF" is recognized as a representation of
positive infinity.</DL>
</DD>
</DL>
<HR>
<A NAME="setNotationSet(net.sf.saxon.om.NotationSet)"><!-- --></A><H3>
setNotationSet</H3>
<PRE>
public void <B>setNotationSet</B>(<A HREF="../../../../net/sf/saxon/om/NotationSet.html" title="interface in net.sf.saxon.om">NotationSet</A> notations)</PRE>
<DL>
<DD>Specify the set of notations that are accepted by xs:NOTATION and its subclasses. This is to
support the rule that for a notation to be valid, it must be declared in an xs:notation declaration
in the schema
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>notations</CODE> - the set of notations that are recognized; or null, to indicate that all notation
names are accepted</DL>
</DD>
</DL>
<HR>
<A NAME="isDeclaredNotation(java.lang.String, java.lang.String)"><!-- --></A><H3>
isDeclaredNotation</H3>
<PRE>
public boolean <B>isDeclaredNotation</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> uri,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> local)</PRE>
<DL>
<DD>Ask whether a given notation is accepted by xs:NOTATION and its subclasses. This is to
support the rule that for a notation to be valid, it must be declared in an xs:notation declaration
in the schema
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>uri</CODE> - the namespace URI of the notation<DD><CODE>local</CODE> - the local part of the name of the notation
<DT><B>Returns:</B><DD>true if the notation is in the set of recognized notation names</DL>
</DD>
</DL>
<HR>
<A NAME="setURIChecker(net.sf.saxon.lib.URIChecker)"><!-- --></A><H3>
setURIChecker</H3>
<PRE>
public void <B>setURIChecker</B>(<A HREF="../../../../net/sf/saxon/lib/URIChecker.html" title="interface in net.sf.saxon.lib">URIChecker</A> checker)</PRE>
<DL>
<DD>Set the class to be used for checking URI values. By default, no checking takes place.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>checker</CODE> - an object to be used for checking URIs; or null if any string is accepted as an anyURI value</DL>
</DD>
</DL>
<HR>
<A NAME="isValidURI(java.lang.CharSequence)"><!-- --></A><H3>
isValidURI</H3>
<PRE>
public boolean <B>isValidURI</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/CharSequence.html?is-external=true" title="class or interface in java.lang">CharSequence</A> string)</PRE>
<DL>
<DD>Ask whether a string is a valid instance of xs:anyURI according to the rules
defined by the current URIChecker
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>string</CODE> - the string to be checked against the rules for URIs
<DT><B>Returns:</B><DD>true if the string represents a valid xs:anyURI value</DL>
</DD>
</DL>
<HR>
<A NAME="setAllowYearZero(boolean)"><!-- --></A><H3>
setAllowYearZero</H3>
<PRE>
public void <B>setAllowYearZero</B>(boolean allowed)</PRE>
<DL>
<DD>Say whether year zero is permitted in dates. By default it is not permitted when XSD 1.0 is in use,
but it is permitted when XSD 1.1 is used.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>allowed</CODE> - true if year zero is permitted</DL>
</DD>
</DL>
<HR>
<A NAME="isAllowYearZero()"><!-- --></A><H3>
isAllowYearZero</H3>
<PRE>
public boolean <B>isAllowYearZero</B>()</PRE>
<DL>
<DD>Ask whether year zero is permitted in dates. By default it is not permitted when XSD 1.0 is in use,
but it is permitted when XSD 1.1 is used.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>true if year zero is permitted</DL>
</DD>
</DL>
<HR>
<A NAME="getConverter(net.sf.saxon.type.AtomicType, net.sf.saxon.type.AtomicType)"><!-- --></A><H3>
getConverter</H3>
<PRE>
public <A HREF="../../../../net/sf/saxon/type/Converter.html" title="class in net.sf.saxon.type">Converter</A> <B>getConverter</B>(<A HREF="../../../../net/sf/saxon/type/AtomicType.html" title="interface in net.sf.saxon.type">AtomicType</A> source,
<A HREF="../../../../net/sf/saxon/type/AtomicType.html" title="interface in net.sf.saxon.type">AtomicType</A> target)</PRE>
<DL>
<DD>Get a Converter for a given pair of atomic types. These can be primitive types,
derived types, or user-defined types. The converter implements the casting rules.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>source</CODE> - the source type<DD><CODE>target</CODE> - the target type
<DT><B>Returns:</B><DD>a Converter if conversion between the two types is possible; or null otherwise</DL>
</DD>
</DL>
<HR>
<A NAME="getStringConverter(net.sf.saxon.type.AtomicType)"><!-- --></A><H3>
getStringConverter</H3>
<PRE>
public <A HREF="../../../../net/sf/saxon/type/StringConverter.html" title="class in net.sf.saxon.type">StringConverter</A> <B>getStringConverter</B>(<A HREF="../../../../net/sf/saxon/type/AtomicType.html" title="interface in net.sf.saxon.type">AtomicType</A> target)</PRE>
<DL>
<DD>Get a Converter that converts from strings to a given atomic type. These can be primitive types,
derived types, or user-defined types. The converter implements the casting rules.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>target</CODE> - the target type
<DT><B>Returns:</B><DD>a Converter if conversion between the two types is possible; or null otherwise</DL>
</DD>
</DL>
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