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<p style='font-family: monospace;font-size:small'>26 February 2004</p>
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<div class='div1'><a name='java-binding'></a>
<h1 id='java-binding-h1' class='adiv1'>Appendix B: Java Language Binding</h1>
<p class='first'>This appendix contains the complete Java [<cite><a class='noxref normative' href='references.html#Java'>Java</a></cite>] bindings
  for the Level 3 Document Object Model XPath.</p><p>The Java files are also available as <a class='normative' href='java-binding.zip'>http://www.w3.org/TR/2004/NOTE-DOM-Level-3-XPath-20040226/java-binding.zip</a></p>
<div class='div2'><a name='JavaXPathInterfaces'></a>
<h2 id='JavaXPathInterfaces-h2' class='adiv2'>B.1 Other XPath interfaces</h2>
<h3 id='org.w3c.dom.xpath.XPathException'>org/w3c/dom/xpath/XPathException.java:</h3>
<div class='java-code'>
<pre>
package org.w3c.dom.xpath;

public class XPathException extends RuntimeException {
    public XPathException(short code, String message) {
       super(message);
       this.code = code;
    }
    public short   code;
    // XPathExceptionCode
    public static final short INVALID_EXPRESSION_ERR    = 51;
    public static final short TYPE_ERR                  = 52;

}
</pre>
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<h3 id='org.w3c.dom.xpath.XPathEvaluator'>org/w3c/dom/xpath/XPathEvaluator.java:</h3>
<div class='java-code'>
<pre>
package org.w3c.dom.xpath;

import org.w3c.dom.Node;
import org.w3c.dom.DOMException;

public interface XPathEvaluator {
    public XPathExpression createExpression(String expression, 
                                            XPathNSResolver resolver)
                                            throws XPathException, DOMException;

    public XPathNSResolver createNSResolver(Node nodeResolver);

    public Object evaluate(String expression, 
                           Node contextNode, 
                           XPathNSResolver resolver, 
                           short type, 
                           Object result)
                           throws XPathException, DOMException;

}
</pre>
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<h3 id='org.w3c.dom.xpath.XPathExpression'>org/w3c/dom/xpath/XPathExpression.java:</h3>
<div class='java-code'>
<pre>
package org.w3c.dom.xpath;

import org.w3c.dom.Node;
import org.w3c.dom.DOMException;

public interface XPathExpression {
    public Object evaluate(Node contextNode, 
                           short type, 
                           Object result)
                           throws XPathException, DOMException;

}
</pre>
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<h3 id='org.w3c.dom.xpath.XPathNSResolver'>org/w3c/dom/xpath/XPathNSResolver.java:</h3>
<div class='java-code'>
<pre>
package org.w3c.dom.xpath;

public interface XPathNSResolver {
    public String lookupNamespaceURI(String prefix);

}
</pre>
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<h3 id='org.w3c.dom.xpath.XPathResult'>org/w3c/dom/xpath/XPathResult.java:</h3>
<div class='java-code'>
<pre>
package org.w3c.dom.xpath;

import org.w3c.dom.Node;
import org.w3c.dom.DOMException;

public interface XPathResult {
    // XPathResultType
    public static final short ANY_TYPE                  = 0;
    public static final short NUMBER_TYPE               = 1;
    public static final short STRING_TYPE               = 2;
    public static final short BOOLEAN_TYPE              = 3;
    public static final short UNORDERED_NODE_ITERATOR_TYPE = 4;
    public static final short ORDERED_NODE_ITERATOR_TYPE = 5;
    public static final short UNORDERED_NODE_SNAPSHOT_TYPE = 6;
    public static final short ORDERED_NODE_SNAPSHOT_TYPE = 7;
    public static final short ANY_UNORDERED_NODE_TYPE   = 8;
    public static final short FIRST_ORDERED_NODE_TYPE   = 9;

    public short getResultType();

    public double getNumberValue()
                                     throws XPathException;

    public String getStringValue()
                                     throws XPathException;

    public boolean getBooleanValue()
                                     throws XPathException;

    public Node getSingleNodeValue()
                                     throws XPathException;

    public boolean getInvalidIteratorState();

    public int getSnapshotLength()
                                     throws XPathException;

    public Node iterateNext()
                            throws XPathException, DOMException;

    public Node snapshotItem(int index)
                             throws XPathException;

}
</pre>
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<h3 id='org.w3c.dom.xpath.XPathNamespace'>org/w3c/dom/xpath/XPathNamespace.java:</h3>
<div class='java-code'>
<pre>
package org.w3c.dom.xpath;

import org.w3c.dom.Element;
import org.w3c.dom.Node;

public interface XPathNamespace extends Node {
    // XPathNodeType
    public static final short XPATH_NAMESPACE_NODE      = 13;

    public Element getOwnerElement();

}
</pre>
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