content: /*******************************************************************************
   * Copyright (c) 2000, 2007 IBM Corporation and others.
   * 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:
   *     IBM Corporation - initial API and implementation
   *******************************************************************************/
  package org.eclipse.wst.jsdt.internal.corext.refactoring.util;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.eclipse.core.resources.IFile;
  import org.eclipse.core.runtime.IAdaptable;
  import org.eclipse.ltk.core.refactoring.Change;
  import org.eclipse.ltk.core.refactoring.CompositeChange;
  
  
  public class Changes {
  
  	public static IFile[] getModifiedFiles(Change[] changes) {
  		List result= new ArrayList();
  		getModifiedFiles(result, changes);
  		return (IFile[]) result.toArray(new IFile[result.size()]);
  	}
  
  	private static void getModifiedFiles(List result, Change[] changes) {
  		for (int i= 0; i < changes.length; i++) {
  			Change change= changes[i];
  			Object modifiedElement= change.getModifiedElement();
  			if (modifiedElement instanceof IAdaptable) {
  				IFile file= (IFile)((IAdaptable)modifiedElement).getAdapter(IFile.class);
  				if (file != null)
  					result.add(file);
  			}
  			if (change instanceof CompositeChange) {
  				getModifiedFiles(result, ((CompositeChange)change).getChildren());
  			}
  		}
  	}
  }
  