001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 * 
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 * 
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.log4j.helpers;
019
020import java.io.Writer;
021import java.io.IOException;
022
023import org.apache.log4j.spi.ErrorHandler;
024import org.apache.log4j.spi.ErrorCode;
025
026/**
027   Counts the number of bytes written.
028
029   @author Heinz Richter, heinz.richter@frogdot.com
030   @since 0.8.1
031
032   */
033public class CountingQuietWriter extends QuietWriter {
034
035  protected long count;
036
037  public
038  CountingQuietWriter(Writer writer, ErrorHandler eh) {
039    super(writer, eh);
040  }
041
042  public
043  void write(String string) {
044    try {
045      out.write(string);
046      count += string.length();
047    }
048    catch(IOException e) {
049      errorHandler.error("Write failure.", e, ErrorCode.WRITE_FAILURE);
050    }
051  }
052
053  public
054  long getCount() {
055    return count;
056  }
057
058  public
059  void setCount(long count) {
060    this.count = count;
061  }
062
063}