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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.log4j.helpers;
19  
20  import java.io.Writer;
21  import java.io.IOException;
22  
23  import org.apache.log4j.spi.ErrorHandler;
24  import org.apache.log4j.spi.ErrorCode;
25  
26  /**
27     Counts the number of bytes written.
28  
29     @author Heinz Richter, heinz.richter@frogdot.com
30     @since 0.8.1
31  
32     */
33  public class CountingQuietWriter extends QuietWriter {
34  
35    protected long count;
36  
37    public
38    CountingQuietWriter(Writer writer, ErrorHandler eh) {
39      super(writer, eh);
40    }
41  
42    public
43    void write(String string) {
44      try {
45        out.write(string);
46        count += string.length();
47      }
48      catch(IOException e) {
49        errorHandler.error("Write failure.", e, ErrorCode.WRITE_FAILURE);
50      }
51    }
52  
53    public
54    long getCount() {
55      return count;
56    }
57  
58    public
59    void setCount(long count) {
60      this.count = count;
61    }
62  
63  }