MyCounter


1   /*
2    * Copyright 1999-2004 The Apache Software Foundation.
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    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  /*
17   * $Id: MyCounter.java,v 1.7 2004/02/17 19:14:20 minchau Exp $
18   */
19  import java.util.Hashtable  ;
20  
21  public class MyCounter {
22    static Hashtable   counters = new Hashtable   ();
23  
24  
25    public void init(org.apache.xalan.extensions.XSLProcessorContext context, 
26                     org.w3c.dom.Element   elem) 
27    {
28      String   name = elem.getAttribute("name");
29      String   value = elem.getAttribute("value");
30      int val;
31      try 
32      {
33        val = Integer.parseInt (value);
34      } 
35      catch (NumberFormatException   e) 
36      {
37        e.printStackTrace ();
38        val = 0;
39      }
40      counters.put (name, new Integer   (val));
41    }
42  
43    public int read(String   name) 
44    { 
45      Integer   cval = (Integer  )counters.get(name);
46      return (cval == null) ? 0 : cval.intValue();
47    }
48  
49    public void incr(org.apache.xalan.extensions.XSLProcessorContext context,  
50                     org.w3c.dom.Element   elem) {
51      String   name = elem.getAttribute("name");
52      Integer   cval = (Integer  ) counters.get(name);
53      int nval = (cval == null) ? 0 : (cval.intValue () + 1);
54      counters.put (name, new Integer   (nval));
55    }
56  }
57
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