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}