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.Arrays;
  import java.util.Collection;
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  import org.eclipse.core.resources.IFile;
  import org.eclipse.ltk.core.refactoring.Change;
  import org.eclipse.ltk.core.refactoring.CompositeChange;
  import org.eclipse.ltk.core.refactoring.TextChange;
  import org.eclipse.ltk.core.refactoring.TextFileChange;
  import org.eclipse.wst.jsdt.internal.corext.refactoring.RefactoringCoreMessages;
  
  public class QualifiedNameSearchResult {
  
  	private Map fChanges;
  	
  	public QualifiedNameSearchResult() {
  		fChanges= new HashMap();
  	}
  	
  	public TextChange getChange(IFile file) {
  		TextChange result= (TextChange)fChanges.get(file);
  		if (result == null) {
  			result= new TextFileChange(file.getName(), file);
  			fChanges.put(file, result);
  		}
  		return result;
  	}
  	
  	public TextChange[] getAllChanges() {
  		Collection values= fChanges.values();
  		return (TextChange[])values.toArray(new TextChange[values.size()]);
  	}
  	
  	public IFile[] getAllFiles() {
  		Set keys= fChanges.keySet();
  		return (IFile[])keys.toArray(new IFile[keys.size()]);			
  	}
  
  	public Change getSingleChange(IFile[] alreadyTouchedFiles) {
  		Collection values= fChanges.values();
  		if (values.size() == 0)
  			return null;
  		
  		CompositeChange result= new CompositeChange(RefactoringCoreMessages.QualifiedNameSearchResult_change_name); 
  		result.markAsSynthetic();
  		List files= Arrays.asList(alreadyTouchedFiles);
  		for (Iterator iter= values.iterator(); iter.hasNext();) {
  			TextFileChange change= (TextFileChange)iter.next();
  			if (!files.contains(change.getFile())) {
  				result.add(change);
  			}
  		}
  		return result;
  	}
  }
  