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1   // ========================================================================
2   // Copyright 2007 Mort Bay Consulting Pty. Ltd.
3   // ------------------------------------------------------------------------
4   // Licensed under the Apache License, Version 2.0 (the "License");
5   // you may not use this file except in compliance with the License.
6   // You may obtain a copy of the License at 
7   // http://www.apache.org/licenses/LICENSE-2.0
8   // Unless required by applicable law or agreed to in writing, software
9   // distributed under the License is distributed on an "AS IS" BASIS,
10  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11  // See the License for the specific language governing permissions and
12  // limitations under the License.
13  //========================================================================
14  
15  package org.mortbay.cometd.filter;
16  
17  import java.util.regex.Pattern;
18  
19  public class NoMarkupFilter extends JSONDataFilter
20  {
21      private static Pattern __open=Pattern.compile("<");
22      private static Pattern __close=Pattern.compile(">");
23  
24      @Override
25      protected Object filterString(String string)
26      {
27          string=__open.matcher(string).replaceAll("&lt;");
28          string=__close.matcher(string).replaceAll("&gt;");
29          return string;
30      }
31  }