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The source code/* * Sun Public License Notice * * The contents of this file are subject to the Sun Public License * Version 1.0 (the "License"). You may not use this file except in * compliance with the License. A copy of the License is available at * http://www.sun.com/ * * The Original Code is NetBeans. The Initial Developer of the Original * Code is Sun Microsystems, Inc. Portions Copyright 1997-2002 Sun * Microsystems, Inc. All Rights Reserved. */ package org.netbeans.tax.traversal; import org.netbeans.tax.TreeNode; import org.netbeans.tax.NotSupportedException; /** * * @author Libor Kramolis * @version 0.1 */ public final class TreeNodeWalker { /** Root node of this iterator. */ private TreeNode root; /** Determines which node types are presented. */ private int whatToShow; /** Filter to screen nodes. */ private TreeNodeFilter filter; /** Current node. */ private TreeNode currentNode; // // init // /** Creates new TreeNodeIterator. */ public TreeNodeWalker (TreeNode node, int wTS, TreeNodeFilter f) { root = node; whatToShow = wTS; filter = f; currentNode = root; } // // itself // /** */ public TreeNode getRoot () { return root; } /** */ public int getWhatToShow () { return whatToShow; } /** */ public TreeNodeFilter getFilter () { return filter; } /** */ public TreeNode getCurrentNode () { return currentNode; } /** */ public void setCurrentNode (TreeNode curNode) throws NotSupportedException { if (curNode == null) { throw new NotSupportedException (Util.THIS.getString ("EXC_invalid_current_node_value")); } currentNode = curNode; } /** */ public TreeNode parentNode () { if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("[PENDING]: TreeNodeWalker.parentNode ()"); // NOI18N return null; } /** */ public TreeNode firstChild () { if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("[PENDING]: TreeNodeWalker.firstChild ()"); // NOI18N return null; } /** */ public TreeNode lastChild () { if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("[PENDING]: TreeNodeWalker.lastChild ()"); // NOI18N return null; } /** */ public TreeNode previousSibling () { if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("[PENDING]: TreeNodeWalker.previousSibling ()"); // NOI18N return null; } /** */ public TreeNode nextSibling () { if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("[PENDING]: TreeNodeWalker.nextSibling ()"); // NOI18N return null; } /** */ public TreeNode previousNode () { if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("[PENDING]: TreeNodeWalker.previousNode ()"); // NOI18N return null; } /** */ public TreeNode nextNode () { if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("[PENDING]: TreeNodeWalker.nextNode ()"); // NOI18N return null; } } |
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