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StructureSearchManager.java

/* *******************************************************************
 * Copyright (c) 1999-2001 Xerox Corporation, 
 *               2002 Palo Alto Research Center, Incorporated (PARC).
 * All rights reserved. 
 * This program and the accompanying materials are made available 
 * under the terms of the Eclipse Public License v1.0 
 * which accompanies this distribution and is available at 
 * http://www.eclipse.org/legal/epl-v10.html 
 *  
 * Contributors: 
 *     Xerox/PARC     initial implementation
 *     Helen Hawkins  Converted to new interface (bug 148190) 
 * ******************************************************************/

package org.aspectj.ajde.ui;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.aspectj.asm.AsmManager;
import org.aspectj.asm.IHierarchy;
import org.aspectj.asm.IProgramElement;

/**
 * @author Mik Kersten
 */
00028 public class StructureSearchManager {

      /**
       * @param pattern case-sensitive substring of node name
       * 
       * @return null if a corresponding node was not found
       */
00035       public List findMatches(String pattern, IProgramElement.Kind kind) {

            List matches = new ArrayList();
            IHierarchy model = AsmManager.lastActiveStructureModel.getHierarchy();
            if (model.getRoot().equals(IHierarchy.NO_STRUCTURE)) {
                  return null;
            } else {
                  return findMatchesHelper(model.getRoot(), pattern, kind, matches);
            }
      }

      private List findMatchesHelper(IProgramElement node, String pattern, IProgramElement.Kind kind, List matches) {

            if (node != null && node.getName().indexOf(pattern) != -1) {
                  if (kind == null || node.getKind().equals(kind)) {
                        matches.add(node);
                  }
            }
            if (node != null && node.getChildren() != null) {
                  for (Iterator it = node.getChildren().iterator(); it.hasNext();) {
                        IProgramElement nextNode = (IProgramElement) it.next();
                        if (nextNode != null) {
                              findMatchesHelper(nextNode, pattern, kind, matches);
                        }
                  }
            }

            return matches;
      }
}

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