org.navimatrix.jaxen.NamedAccessNavigator Maven / Gradle / Ivy
/*
$Id: NamedAccessNavigator.java,v 1.4 2006/02/05 21:47:41 elharo Exp $
Copyright 2003 The Werken Company. All Rights Reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
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* Neither the name of the Jaxen Project nor the names of its
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TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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*/
package org.navimatrix.jaxen;
import java.util.Iterator;
/**
* Interface for navigating around an arbitrary object model
* accessing certain parts by name for performance.
*
* This interface must only be implemented by those models that
* can support this named access behavior.
*
* @author Stephen Colebourne
*/
public interface NamedAccessNavigator extends Navigator {
/**
* Retrieve an Iterator that returns the child
* XPath axis where the names of the children match the supplied name
* and optional namespace.
*
* This method must only return element nodes with the correct name.
*
* If the namespaceURI is null, no namespace should be used.
* The prefix will never be null.
*
* @param contextNode the origin context node
* @param localName the local name of the children to return, always present
* @param namespacePrefix the prefix of the namespace of the children to return
* @param namespaceURI the namespace URI of the children to return
*
* @return an Iterator capable of traversing the named children, or null if none
*
* @throws UnsupportedAxisException if the child axis is
* not supported by this object model
*/
Iterator getChildAxisIterator(
Object contextNode,
String localName, String namespacePrefix, String namespaceURI)
throws UnsupportedAxisException;
/**
* Retrieve an Iterator that returns the attribute
* XPath axis where the names of the attributes match the supplied name
* and optional namespace.
*
* This method must only return attribute nodes with the correct name.
*
* If the namespaceURI is null, no namespace should be used.
* The prefix will never be null.
*
* @param contextNode the origin context node
* @param localName the local name of the attributes to return, always present
* @param namespacePrefix the prefix of the namespace of the attributes to return
* @param namespaceURI the URI of the namespace of the attributes to return
*
* @return an Iterator capable of traversing the named attributes, or null if none
*
* @throws UnsupportedAxisException if the attribute axis is
* not supported by this object model
*/
Iterator getAttributeAxisIterator(
Object contextNode,
String localName, String namespacePrefix, String namespaceURI)
throws UnsupportedAxisException;
}