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1   /*
2    * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
3    * The software in this package is published under the terms of the CPAL v1.0
4    * license, a copy of which has been included with this distribution in the
5    * LICENSE.txt file.
6    */
7   package org.mule.transport.xmpp.filters;
8   
9   import org.mule.util.ClassUtils;
10  
11  import org.jivesoftware.smack.filter.NotFilter;
12  import org.jivesoftware.smack.filter.PacketFilter;
13  
14  /**
15   * <code>XmppNotFilter</code> an Xmpp NOT filter
16   */
17  public class XmppNotFilter extends AbstractXmppFilter
18  {
19      private volatile PacketFilter filter;
20  
21      public XmppNotFilter()
22      {
23          super();
24      }
25  
26      public XmppNotFilter(PacketFilter filter)
27      {
28          this.filter = filter;
29      }
30  
31      public void setFilter(PacketFilter filter)
32      {
33          this.filter = filter;
34      }
35  
36      public PacketFilter getFilter()
37      {
38          return filter;
39      }
40  
41      @Override
42      protected PacketFilter createFilter()
43      {
44          return new NotFilter(filter);
45      }
46  
47      @Override
48      public boolean equals(Object obj)
49      {
50          if (this == obj) return true;
51          if (obj == null || getClass() != obj.getClass()) return false;
52  
53          final XmppNotFilter other = (XmppNotFilter) obj;
54          return ClassUtils.equal(filter, other.filter);
55      }
56  
57      @Override
58      public int hashCode()
59      {
60          return ClassUtils.hash(new Object[]{this.getClass(), filter});
61      }
62  }