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| Xalan-Java 2.7.1: Class Extensions
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| SUMMARY: INNER | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD>
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| org.apache.xalan.lib</FONT>
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| <BR>
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| Class Extensions</H2>
|
| <PRE>
|
| java.lang.Object
|
| |
|
| +--<B>org.apache.xalan.lib.Extensions</B>
|
| </PRE>
|
| <HR>
|
| <DL>
|
| <DT>public class <B>Extensions</B><DT>extends java.lang.Object</DL>
|
|
|
| <P>
|
| This class contains many of the Xalan-supplied extensions. |
| It is accessed by specifying a namespace URI as follows: |
| <pre> |
| xmlns:xalan="http://xml.apache.org/xalan" |
| </pre>
|
| <P>
|
| <DL>
|
| <DT><B>Usage:</B><DD></DD>
|
| </DL>
|
| <HR>
|
|
|
| <P>
|
| <!-- ======== INNER CLASS SUMMARY ======== -->
|
|
|
|
|
| <!-- =========== FIELD SUMMARY =========== -->
|
|
|
|
|
| <!-- ======== CONSTRUCTOR SUMMARY ======== -->
|
|
|
|
|
| <!-- ========== METHOD SUMMARY =========== -->
|
|
|
| <A NAME="method_summary"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
|
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
|
| <TD COLSPAN=2><FONT SIZE="+2">
|
| <B>Method Summary</B></FONT></TD>
|
| </TR>
|
| <TR BGCOLOR="white" CLASS="TableRowColor">
|
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
| <CODE>static <A HREF="../../../../org/w3c/dom/Node.html">Node</A></CODE></FONT></TD>
|
| <TD><CODE><B><A HREF="../../../../org/apache/xalan/lib/Extensions.html#checkEnvironment(org.apache.xalan.extensions.ExpressionContext)">checkEnvironment</A></B>(<A HREF="../../../../org/apache/xalan/extensions/ExpressionContext.html">ExpressionContext</A> myContext)</CODE>
|
|
|
| <BR>
|
| Return a Node of basic debugging information from the |
| EnvironmentCheck utility about the Java environment.</TD>
|
| </TR>
|
| <TR BGCOLOR="white" CLASS="TableRowColor">
|
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
| <CODE>static <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A></CODE></FONT></TD>
|
| <TD><CODE><B><A HREF="../../../../org/apache/xalan/lib/Extensions.html#difference(org.w3c.dom.NodeList, org.w3c.dom.NodeList)">difference</A></B>(<A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> nl1, |
| <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> nl2)</CODE>
|
|
|
| <BR>
|
| Returns the difference between two node-sets.</TD>
|
| </TR>
|
| <TR BGCOLOR="white" CLASS="TableRowColor">
|
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
| <CODE>static <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A></CODE></FONT></TD>
|
| <TD><CODE><B><A HREF="../../../../org/apache/xalan/lib/Extensions.html#distinct(org.w3c.dom.NodeList)">distinct</A></B>(<A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> nl)</CODE>
|
|
|
| <BR>
|
| Returns node-set containing distinct string values.</TD>
|
| </TR>
|
| <TR BGCOLOR="white" CLASS="TableRowColor">
|
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
| <CODE>static <A HREF="../../../../org/apache/xpath/objects/XObject.html">XObject</A></CODE></FONT></TD>
|
| <TD><CODE><B><A HREF="../../../../org/apache/xalan/lib/Extensions.html#evaluate(org.apache.xalan.extensions.ExpressionContext, java.lang.String)">evaluate</A></B>(<A HREF="../../../../org/apache/xalan/extensions/ExpressionContext.html">ExpressionContext</A> myContext, |
| java.lang.String xpathExpr)</CODE>
|
|
|
| <BR>
|
| Returns the result of evaluating the argument as a string containing |
| an XPath expression.</TD>
|
| </TR>
|
| <TR BGCOLOR="white" CLASS="TableRowColor">
|
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
| <CODE>static boolean</CODE></FONT></TD>
|
| <TD><CODE><B><A HREF="../../../../org/apache/xalan/lib/Extensions.html#hasSameNodes(org.w3c.dom.NodeList, org.w3c.dom.NodeList)">hasSameNodes</A></B>(<A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> nl1, |
| <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> nl2)</CODE>
|
|
|
| <BR>
|
| Returns true if both node-sets contain the same set of nodes.</TD>
|
| </TR>
|
| <TR BGCOLOR="white" CLASS="TableRowColor">
|
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
| <CODE>static <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A></CODE></FONT></TD>
|
| <TD><CODE><B><A HREF="../../../../org/apache/xalan/lib/Extensions.html#intersection(org.w3c.dom.NodeList, org.w3c.dom.NodeList)">intersection</A></B>(<A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> nl1, |
| <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> nl2)</CODE>
|
|
|
| <BR>
|
| Returns the intersection of two node-sets.</TD>
|
| </TR>
|
| <TR BGCOLOR="white" CLASS="TableRowColor">
|
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
| <CODE>static <A HREF="../../../../org/apache/xpath/NodeSet.html">NodeSet</A></CODE></FONT></TD>
|
| <TD><CODE><B><A HREF="../../../../org/apache/xalan/lib/Extensions.html#nodeset(org.apache.xalan.extensions.ExpressionContext, java.lang.Object)">nodeset</A></B>(<A HREF="../../../../org/apache/xalan/extensions/ExpressionContext.html">ExpressionContext</A> myProcessor, |
| java.lang.Object rtf)</CODE>
|
|
|
| <BR>
|
| This method is an extension that implements as a Xalan extension |
| the node-set function also found in xt and saxon.</TD>
|
| </TR>
|
| <TR BGCOLOR="white" CLASS="TableRowColor">
|
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
| <CODE>static <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A></CODE></FONT></TD>
|
| <TD><CODE><B><A HREF="../../../../org/apache/xalan/lib/Extensions.html#tokenize(java.lang.String)">tokenize</A></B>(java.lang.String toTokenize)</CODE>
|
|
|
| <BR>
|
| Returns a NodeSet containing one text node for each token in the first argument.</TD>
|
| </TR>
|
| <TR BGCOLOR="white" CLASS="TableRowColor">
|
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
| <CODE>static <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A></CODE></FONT></TD>
|
| <TD><CODE><B><A HREF="../../../../org/apache/xalan/lib/Extensions.html#tokenize(java.lang.String, java.lang.String)">tokenize</A></B>(java.lang.String toTokenize, |
| java.lang.String delims)</CODE>
|
|
|
| <BR>
|
| Returns a NodeSet containing one text node for each token in the first argument.</TD>
|
| </TR>
|
| </TABLE>
|
| <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
|
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
|
| <TD><B>Methods inherited from class java.lang.Object</B></TD>
|
| </TR>
|
| <TR BGCOLOR="white" CLASS="TableRowColor">
|
| <TD><CODE>equals,
|
| getClass,
|
| hashCode,
|
| notify,
|
| notifyAll,
|
| toString,
|
| wait,
|
| wait,
|
| wait</CODE></TD>
|
| </TR>
|
| </TABLE>
|
|
|
| <P>
|
|
|
| <!-- ============ FIELD DETAIL =========== -->
|
|
|
|
|
| <!-- ========= CONSTRUCTOR DETAIL ======== -->
|
|
|
|
|
| <!-- ============ METHOD DETAIL ========== -->
|
|
|
| <A NAME="method_detail"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
|
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
|
| <TD COLSPAN=1><FONT SIZE="+2">
|
| <B>Method Detail</B></FONT></TD>
|
| </TR>
|
| </TABLE>
|
|
|
| <A NAME="nodeset(org.apache.xalan.extensions.ExpressionContext, java.lang.Object)"><!-- --></A><H3>
|
| nodeset</H3>
|
| <PRE>
|
| public static <A HREF="../../../../org/apache/xpath/NodeSet.html">NodeSet</A> <B>nodeset</B>(<A HREF="../../../../org/apache/xalan/extensions/ExpressionContext.html">ExpressionContext</A> myProcessor, |
| java.lang.Object rtf)</PRE>
|
| <DL>
|
| <DD>This method is an extension that implements as a Xalan extension |
| the node-set function also found in xt and saxon. |
| If the argument is a Result Tree Fragment, then <code>nodeset</code> |
| returns a node-set consisting of a single root node as described in |
| section 11.1 of the XSLT 1.0 Recommendation. If the argument is a |
| node-set, <code>nodeset</code> returns a node-set. If the argument |
| is a string, number, or boolean, then <code>nodeset</code> returns |
| a node-set consisting of a single root node with a single text node |
| child that is the result of calling the XPath string() function on the |
| passed parameter. If the argument is anything else, then a node-set |
| is returned consisting of a single root node with a single text node |
| child that is the result of calling the java <code>toString()</code> |
| method on the passed argument. |
| Most of the |
| actual work here is done in <code>MethodResolver</code> and |
| <code>XRTreeFrag</code>.<DD><DL>
|
| <DT><B>Parameters:</B><DD><CODE>myProcessor</CODE> - Context passed by the extension processor<DD><CODE>rtf</CODE> - Argument in the stylesheet to the nodeset extension function |
| |
| NEEDSDOC ($objectName$) @return</DL>
|
| </DD>
|
| </DL>
|
| <HR>
|
|
|
| <A NAME="intersection(org.w3c.dom.NodeList, org.w3c.dom.NodeList)"><!-- --></A><H3>
|
| intersection</H3>
|
| <PRE>
|
| public static <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> <B>intersection</B>(<A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> nl1, |
| <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> nl2)</PRE>
|
| <DL>
|
| <DD>Returns the intersection of two node-sets.<DD><DL>
|
| <DT><B>Parameters:</B><DD><CODE>nl1</CODE> - NodeList for first node-set<DD><CODE>nl2</CODE> - NodeList for second node-set<DT><B>Returns:</B><DD>a NodeList containing the nodes in nl1 that are also in nl2 |
| |
| Note: The usage of this extension function in the xalan namespace |
| is deprecated. Please use the same function in the EXSLT sets extension |
| (http://exslt.org/sets).</DL>
|
| </DD>
|
| </DL>
|
| <HR>
|
|
|
| <A NAME="difference(org.w3c.dom.NodeList, org.w3c.dom.NodeList)"><!-- --></A><H3>
|
| difference</H3>
|
| <PRE>
|
| public static <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> <B>difference</B>(<A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> nl1, |
| <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> nl2)</PRE>
|
| <DL>
|
| <DD>Returns the difference between two node-sets.<DD><DL>
|
| <DT><B>Parameters:</B><DD><CODE>nl1</CODE> - NodeList for first node-set<DD><CODE>nl2</CODE> - NodeList for second node-set<DT><B>Returns:</B><DD>a NodeList containing the nodes in nl1 that are not in nl2 |
| |
| Note: The usage of this extension function in the xalan namespace |
| is deprecated. Please use the same function in the EXSLT sets extension |
| (http://exslt.org/sets).</DL>
|
| </DD>
|
| </DL>
|
| <HR>
|
|
|
| <A NAME="distinct(org.w3c.dom.NodeList)"><!-- --></A><H3>
|
| distinct</H3>
|
| <PRE>
|
| public static <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> <B>distinct</B>(<A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> nl)</PRE>
|
| <DL>
|
| <DD>Returns node-set containing distinct string values.<DD><DL>
|
| <DT><B>Parameters:</B><DD><CODE>nl</CODE> - NodeList for node-set<DT><B>Returns:</B><DD>a NodeList with nodes from nl containing distinct string values. |
| In other words, if more than one node in nl contains the same string value, |
| only include the first such node found. |
| |
| Note: The usage of this extension function in the xalan namespace |
| is deprecated. Please use the same function in the EXSLT sets extension |
| (http://exslt.org/sets).</DL>
|
| </DD>
|
| </DL>
|
| <HR>
|
|
|
| <A NAME="hasSameNodes(org.w3c.dom.NodeList, org.w3c.dom.NodeList)"><!-- --></A><H3>
|
| hasSameNodes</H3>
|
| <PRE>
|
| public static boolean <B>hasSameNodes</B>(<A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> nl1, |
| <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> nl2)</PRE>
|
| <DL>
|
| <DD>Returns true if both node-sets contain the same set of nodes.<DD><DL>
|
| <DT><B>Parameters:</B><DD><CODE>nl1</CODE> - NodeList for first node-set<DD><CODE>nl2</CODE> - NodeList for second node-set<DT><B>Returns:</B><DD>true if nl1 and nl2 contain exactly the same set of nodes.</DL>
|
| </DD>
|
| </DL>
|
| <HR>
|
|
|
| <A NAME="evaluate(org.apache.xalan.extensions.ExpressionContext, java.lang.String)"><!-- --></A><H3>
|
| evaluate</H3>
|
| <PRE>
|
| public static <A HREF="../../../../org/apache/xpath/objects/XObject.html">XObject</A> <B>evaluate</B>(<A HREF="../../../../org/apache/xalan/extensions/ExpressionContext.html">ExpressionContext</A> myContext, |
| java.lang.String xpathExpr) |
| throws <A HREF="../../../../org/xml/sax/SAXNotSupportedException.html">SAXNotSupportedException</A></PRE>
|
| <DL>
|
| <DD>Returns the result of evaluating the argument as a string containing |
| an XPath expression. Used where the XPath expression is not known until |
| run-time. The expression is evaluated as if the run-time value of the |
| argument appeared in place of the evaluate function call at compile time.<DD><DL>
|
| <DT><B>Parameters:</B><DD><CODE>myContext</CODE> - an <code>ExpressionContext</code> passed in by the |
| extension mechanism. This must be an XPathContext.<DD><CODE>xpathExpr</CODE> - The XPath expression to be evaluated.<DT><B>Returns:</B><DD>the XObject resulting from evaluating the XPath<DT><B>Throws:</B><DD><A HREF="../../../../org/xml/sax/SAXNotSupportedException.html">SAXNotSupportedException</A> - Note: The usage of this extension function in the xalan namespace |
| is deprecated. Please use the same function in the EXSLT dynamic extension |
| (http://exslt.org/dynamic).</DL>
|
| </DD>
|
| </DL>
|
| <HR>
|
|
|
| <A NAME="tokenize(java.lang.String, java.lang.String)"><!-- --></A><H3>
|
| tokenize</H3>
|
| <PRE>
|
| public static <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> <B>tokenize</B>(java.lang.String toTokenize, |
| java.lang.String delims)</PRE>
|
| <DL>
|
| <DD>Returns a NodeSet containing one text node for each token in the first argument. |
| Delimiters are specified in the second argument. |
| Tokens are determined by a call to <code>StringTokenizer</code>. |
| If the first argument is an empty string or contains only delimiters, the result |
| will be an empty NodeSet. |
| |
| Contributed to XalanJ1 by <a href="mailto:benoit.cerrina@writeme.com">Benoit Cerrina</a>.<DD><DL>
|
| <DT><B>Parameters:</B><DD><CODE>toTokenize</CODE> - The string to be split into text tokens.<DD><CODE>delims</CODE> - The delimiters to use.<DT><B>Returns:</B><DD>a NodeSet as described above.</DL>
|
| </DD>
|
| </DL>
|
| <HR>
|
|
|
| <A NAME="tokenize(java.lang.String)"><!-- --></A><H3>
|
| tokenize</H3>
|
| <PRE>
|
| public static <A HREF="../../../../org/w3c/dom/NodeList.html">NodeList</A> <B>tokenize</B>(java.lang.String toTokenize)</PRE>
|
| <DL>
|
| <DD>Returns a NodeSet containing one text node for each token in the first argument. |
| Delimiters are whitespace. That is, the delimiters that are used are tab (	), |
| linefeed (
), return (
), and space ( ). |
| Tokens are determined by a call to <code>StringTokenizer</code>. |
| If the first argument is an empty string or contains only delimiters, the result |
| will be an empty NodeSet. |
| |
| Contributed to XalanJ1 by <a href="mailto:benoit.cerrina@writeme.com">Benoit Cerrina</a>.<DD><DL>
|
| <DT><B>Parameters:</B><DD><CODE>toTokenize</CODE> - The string to be split into text tokens.<DT><B>Returns:</B><DD>a NodeSet as described above.</DL>
|
| </DD>
|
| </DL>
|
| <HR>
|
|
|
| <A NAME="checkEnvironment(org.apache.xalan.extensions.ExpressionContext)"><!-- --></A><H3>
|
| checkEnvironment</H3>
|
| <PRE>
|
| public static <A HREF="../../../../org/w3c/dom/Node.html">Node</A> <B>checkEnvironment</B>(<A HREF="../../../../org/apache/xalan/extensions/ExpressionContext.html">ExpressionContext</A> myContext)</PRE>
|
| <DL>
|
| <DD>Return a Node of basic debugging information from the |
| EnvironmentCheck utility about the Java environment. |
| |
| <p>Simply calls the <A HREF="../../../../org/apache/xalan/xslt/EnvironmentCheck.html"><CODE>EnvironmentCheck</CODE></A> |
| utility to grab info about the Java environment and CLASSPATH, |
| etc., and then returns the resulting Node. Stylesheets can |
| then maniuplate this data or simply xsl:copy-of the Node. Note |
| that we first attempt to load the more advanced |
| org.apache.env.Which utility by reflection; only if that fails |
| to we still use the internal version. Which is available from |
| <a href="http://xml.apache.org/commons/">http://xml.apache.org/commons/</a>.</p> |
| |
| <p>We throw a WrappedRuntimeException in the unlikely case |
| that reading information from the environment throws us an |
| exception. (Is this really the best thing to do?)</p><DD><DL>
|
| <DT><B>Parameters:</B><DD><CODE>myContext</CODE> - an <code>ExpressionContext</code> passed in by the |
| extension mechanism. This must be an XPathContext.<DT><B>Returns:</B><DD>a Node as described above.</DL>
|
| </DD>
|
| </DL>
|
| <!-- ========= END OF CLASS DATA ========= -->
|
| <HR>
|
|
|
| <!-- ========== START OF NAVBAR ========== -->
|
| <A NAME="navbar_bottom"><!-- --></A> |
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| <A NAME="navbar_bottom_firstrow"><!-- --></A> |
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| <TR ALIGN="center" VALIGN="top">
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| <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD>
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