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NameChecker
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net.sf.saxon.om</FONT>
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Class NameChecker</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.om.NameChecker</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>
<DL>
<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../net/sf/saxon/om/Name10Checker.html" title="class in net.sf.saxon.om">Name10Checker</A>, <A HREF="../../../../net/sf/saxon/om/Name11Checker.html" title="class in net.sf.saxon.om">Name11Checker</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public abstract class <B>NameChecker</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>
A NameChecker performs validation and analysis of XML names. There are two implementations
of this interface, one for XML 1.0 names and one for XML 1.1 names. The class also handles
validation of characters against the XML 1.0 or XML 1.1 rules.
<P>
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#net.sf.saxon.om.NameChecker">Serialized Form</A></DL>
<HR>
<P>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TD><CODE><B><A HREF="../../../../net/sf/saxon/om/NameChecker.html#NameChecker()">NameChecker</A></B>()</CODE>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <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>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/om/NameChecker.html#checkQNameParts(java.lang.CharSequence)">checkQNameParts</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> qname)</CODE>
<BR>
Validate a QName, and return the prefix and local name.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/om/NameChecker.html#firstInvalidChar(java.lang.CharSequence)">firstInvalidChar</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> chars)</CODE>
<BR>
Test whether all the characters in a CharSequence are valid XML characters</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <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></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/om/NameChecker.html#getPrefix(java.lang.String)">getPrefix</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> qname)</CODE>
<BR>
Extract the prefix from a QName.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <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>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/om/NameChecker.html#getQNameParts(java.lang.CharSequence)">getQNameParts</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> qname)</CODE>
<BR>
Validate a QName, and return the prefix and local name.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>abstract <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></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/om/NameChecker.html#getXMLVersion()">getXMLVersion</A></B>()</CODE>
<BR>
Return the XML version supported by this NameChecker</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>abstract boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/om/NameChecker.html#isNCNameChar(int)">isNCNameChar</A></B>(int ch)</CODE>
<BR>
Test whether a character can appear in an NCName</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>abstract boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/om/NameChecker.html#isNCNameStartChar(int)">isNCNameStartChar</A></B>(int ch)</CODE>
<BR>
Test whether a character can appear at the start of an NCName</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/om/NameChecker.html#isQName(java.lang.String)">isQName</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> name)</CODE>
<BR>
Validate whether a given string constitutes a valid QName, as defined in XML Namespaces.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>abstract boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/saxon/om/NameChecker.html#isValidChar(int)">isValidChar</A></B>(int ch)</CODE>
<BR>
Test whether a character is a valid XML character</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/om/NameChecker.html#isValidNCName(java.lang.CharSequence)">isValidNCName</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> ncName)</CODE>
<BR>
Validate whether a given string constitutes a valid NCName, as defined in XML Namespaces.</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/om/NameChecker.html#isValidNmtoken(java.lang.CharSequence)">isValidNmtoken</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> nmtoken)</CODE>
<BR>
Check to see if a string is a valid Nmtoken according to [7]
in the XML 1.0 Recommendation</TD>
</TR>
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<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>
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<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<B>Constructor Detail</B></FONT></TH>
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<A NAME="NameChecker()"><!-- --></A><H3>
NameChecker</H3>
<PRE>
public <B>NameChecker</B>()</PRE>
<DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<A NAME="isQName(java.lang.String)"><!-- --></A><H3>
isQName</H3>
<PRE>
public final boolean <B>isQName</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> name)</PRE>
<DL>
<DD>Validate whether a given string constitutes a valid QName, as defined in XML Namespaces.
Note that this does not test whether the prefix is actually declared.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - the name to be tested
<DT><B>Returns:</B><DD>true if the name is a lexically-valid QName</DL>
</DD>
</DL>
<HR>
<A NAME="getPrefix(java.lang.String)"><!-- --></A><H3>
getPrefix</H3>
<PRE>
public static <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> <B>getPrefix</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> qname)</PRE>
<DL>
<DD>Extract the prefix from a QName. Note, the QName is assumed to be valid.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>qname</CODE> - The lexical QName whose prefix is required
<DT><B>Returns:</B><DD>the prefix, that is the part before the colon. Returns an empty
string if there is no prefix</DL>
</DD>
</DL>
<HR>
<A NAME="getQNameParts(java.lang.CharSequence)"><!-- --></A><H3>
getQNameParts</H3>
<PRE>
public final <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>[] <B>getQNameParts</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> qname)
throws <A HREF="../../../../net/sf/saxon/om/QNameException.html" title="class in net.sf.saxon.om">QNameException</A></PRE>
<DL>
<DD>Validate a QName, and return the prefix and local name. The local name is checked
to ensure it is a valid NCName. The prefix is not checked, on the theory that the caller
will look up the prefix to find a URI, and if the prefix is invalid, then no URI will
be found.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>qname</CODE> - the lexical QName whose parts are required. Note that leading and trailing
whitespace is not permitted
<DT><B>Returns:</B><DD>an array of two strings, the prefix and the local name. The first
item is a zero-length string if there is no prefix.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../net/sf/saxon/om/QNameException.html" title="class in net.sf.saxon.om">QNameException</A></CODE> - if not a valid QName.</DL>
</DD>
</DL>
<HR>
<A NAME="checkQNameParts(java.lang.CharSequence)"><!-- --></A><H3>
checkQNameParts</H3>
<PRE>
public final <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>[] <B>checkQNameParts</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> qname)
throws <A HREF="../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></PRE>
<DL>
<DD>Validate a QName, and return the prefix and local name. Both parts are checked
to ensure they are valid NCNames.
<p/>
<p><i>Used from compiled code</i></p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>qname</CODE> - the lexical QName whose parts are required. Note that leading and trailing
whitespace is not permitted
<DT><B>Returns:</B><DD>an array of two strings, the prefix and the local name. The first
item is a zero-length string if there is no prefix.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../net/sf/saxon/trans/XPathException.html" title="class in net.sf.saxon.trans">XPathException</A></CODE> - if not a valid QName.</DL>
</DD>
</DL>
<HR>
<A NAME="isValidNCName(java.lang.CharSequence)"><!-- --></A><H3>
isValidNCName</H3>
<PRE>
public final boolean <B>isValidNCName</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> ncName)</PRE>
<DL>
<DD>Validate whether a given string constitutes a valid NCName, as defined in XML Namespaces.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ncName</CODE> - the name to be tested. Any whitespace trimming must have already been applied.
<DT><B>Returns:</B><DD>true if the name is a lexically-valid QName</DL>
</DD>
</DL>
<HR>
<A NAME="isValidNmtoken(java.lang.CharSequence)"><!-- --></A><H3>
isValidNmtoken</H3>
<PRE>
public final boolean <B>isValidNmtoken</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> nmtoken)</PRE>
<DL>
<DD>Check to see if a string is a valid Nmtoken according to [7]
in the XML 1.0 Recommendation
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>nmtoken</CODE> - the string to be tested. Any whitespace trimming must have already been applied.
<DT><B>Returns:</B><DD>true if nmtoken is a valid Nmtoken</DL>
</DD>
</DL>
<HR>
<A NAME="isValidChar(int)"><!-- --></A><H3>
isValidChar</H3>
<PRE>
public abstract boolean <B>isValidChar</B>(int ch)</PRE>
<DL>
<DD>Test whether a character is a valid XML character
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ch</CODE> - the character to be tested
<DT><B>Returns:</B><DD>true if this is a valid character in the selected version of XML</DL>
</DD>
</DL>
<HR>
<A NAME="firstInvalidChar(java.lang.CharSequence)"><!-- --></A><H3>
firstInvalidChar</H3>
<PRE>
public int <B>firstInvalidChar</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> chars)</PRE>
<DL>
<DD>Test whether all the characters in a CharSequence are valid XML characters
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>chars</CODE> - the character sequence to be tested
<DT><B>Returns:</B><DD>the codepoint of the first invalid character in the character sequence (according to the selected version of XML);
or -1 if all characters in the character sequence are valid</DL>
</DD>
</DL>
<HR>
<A NAME="isNCNameChar(int)"><!-- --></A><H3>
isNCNameChar</H3>
<PRE>
public abstract boolean <B>isNCNameChar</B>(int ch)</PRE>
<DL>
<DD>Test whether a character can appear in an NCName
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ch</CODE> - the character to be tested
<DT><B>Returns:</B><DD>true if this is a valid character in an NCName the selected version of XML</DL>
</DD>
</DL>
<HR>
<A NAME="isNCNameStartChar(int)"><!-- --></A><H3>
isNCNameStartChar</H3>
<PRE>
public abstract boolean <B>isNCNameStartChar</B>(int ch)</PRE>
<DL>
<DD>Test whether a character can appear at the start of an NCName
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ch</CODE> - the character to be tested
<DT><B>Returns:</B><DD>true if this is a valid character at the start of an NCName the selected version of XML</DL>
</DD>
</DL>
<HR>
<A NAME="getXMLVersion()"><!-- --></A><H3>
getXMLVersion</H3>
<PRE>
public abstract <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> <B>getXMLVersion</B>()</PRE>
<DL>
<DD>Return the XML version supported by this NameChecker
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>"1.0" or "1.1" as a string</DL>
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