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1   /*
2    *  soapUI, copyright (C) 2004-2008 eviware.com 
3    *
4    *  soapUI is free software; you can redistribute it and/or modify it under the 
5    *  terms of version 2.1 of the GNU Lesser General Public License as published by 
6    *  the Free Software Foundation.
7    *
8    *  soapUI is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without 
9    *  even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
10   *  See the GNU Lesser General Public License for more details at gnu.org.
11   */
12  
13  package com.eviware.soapui.impl.settings;
14  
15  import java.lang.ref.WeakReference;
16  
17  import com.eviware.soapui.model.settings.SettingsListener;
18  
19  /***
20   * Weak listener to settingChanged
21   * 
22   * @author ole.matzura
23   */
24  
25  public final class WeakSettingsListener implements SettingsListener
26  {
27  	private final WeakReference<SettingsListener> listenerReference;
28  	
29  	public WeakSettingsListener( SettingsListener listener )
30  	{
31  		listenerReference = new WeakReference<SettingsListener>( listener );
32  	}
33  
34  	public void settingChanged(String name, String newValue, String oldValue)
35  	{
36  		if( listenerReference.get() != null )
37  			listenerReference.get().settingChanged( name, newValue, oldValue);
38  	}
39  }