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/*
* Copyright (C) 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.w3c.dom;
public interface UserDataHandler {
// OperationType
/**
* The node is cloned, using <code>Node.cloneNode()</code>.
*/
public static final short NODE_CLONED = 1;
/**
* The node is imported, using <code>Document.importNode()</code>.
*/
public static final short NODE_IMPORTED = 2;
/**
* The node is deleted.
* <p ><b>Note:</b> 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 <code>Document.renameNode()</code>.
*/
public static final short NODE_RENAMED = 4;
/**
* The node is adopted, using <code>Document.adoptNode()</code>.
*/
public static final short NODE_ADOPTED = 5;
/**
* This method is called whenever the node for which this handler is
* registered is imported or cloned.
* <br> DOM applications must not raise exceptions in a
* <code>UserDataHandler</code>. 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 <code>null</code> when the node is being deleted.
* @param dst Specifies the node newly created if any, or
* <code>null</code>.
*/
public void handle(short operation,
String key,
Object data,
Node src,
Node dst);
}
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