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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
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*
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/*
* This file is available under and governed by the GNU General Public
* License version 2 only, as published by the Free Software Foundation.
* However, the following notice accompanied the original version of this
* file and, per its terms, should not be removed:
*
* Copyright (c) 2004 World Wide Web Consortium,
*
* (Massachusetts Institute of Technology, European Research Consortium for
* Informatics and Mathematics, Keio University). All Rights Reserved. This
* work is distributed under the W3C(r) Software License [1] in the hope that
* it will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
*/
package org.w3c.dom;
/**
* When associating an object to a key on a node using
* Node.setUserData() the application can provide a handler
* that gets called when the node the object is associated to is being
* cloned, imported, or renamed. This can be used by the application to
* implement various behaviors regarding the data it associates to the DOM
* nodes. This interface defines that handler.
* See also the Document Object Model (DOM) Level 3 Core Specification.
* @since 1.5, DOM Level 3
*/
public interface UserDataHandler {
// OperationType
/**
* The node is cloned, using Node.cloneNode().
*/
public static final short NODE_CLONED = 1;
/**
* The node is imported, using Document.importNode().
*/
public static final short NODE_IMPORTED = 2;
/**
* The node is deleted.
*
Note: This may not be supported or may not be reliable in
* certain environments, such as Java, where the implementation has no
* real control over when objects are actually deleted.
*/
public static final short NODE_DELETED = 3;
/**
* The node is renamed, using Document.renameNode().
*/
public static final short NODE_RENAMED = 4;
/**
* The node is adopted, using Document.adoptNode().
*/
public static final short NODE_ADOPTED = 5;
/**
* This method is called whenever the node for which this handler is
* registered is imported or cloned.
*
DOM applications must not raise exceptions in a
* UserDataHandler. The effect of throwing exceptions from
* the handler is DOM implementation dependent.
* @param operation Specifies the type of operation that is being
* performed on the node.
* @param key Specifies the key for which this handler is being called.
* @param data Specifies the data for which this handler is being called.
* @param src Specifies the node being cloned, adopted, imported, or
* renamed. This is null when the node is being deleted.
* @param dst Specifies the node newly created if any, or
* null.
*/
public void handle(short operation,
String key,
Object data,
Node src,
Node dst);
}