| /* |
| * 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 |
| * <code>Node.setUserData()</code> 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. |
| * <p>See also the <a href='http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407'>Document Object Model (DOM) Level 3 Core Specification</a>. |
| * @since DOM Level 3 |
| */ |
| 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); |
| |
| } |