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.logging.log4j.io.internal; 019 020import java.io.FilterWriter; 021import java.io.IOException; 022import java.io.Writer; 023 024import org.apache.logging.log4j.Level; 025import org.apache.logging.log4j.Marker; 026import org.apache.logging.log4j.io.CharStreamLogger; 027import org.apache.logging.log4j.spi.ExtendedLogger; 028 029/** 030 * Internal class that exists primarily to allow location calculation to work. 031 * 032 * @since 2.12 033 */ 034public class InternalFilterWriter extends FilterWriter { 035 036 private final CharStreamLogger logger; 037 private final String fqcn; 038 039 public InternalFilterWriter(final Writer out, final ExtendedLogger logger, final String fqcn, final Level level, 040 final Marker marker) { 041 super(out); 042 this.logger = new CharStreamLogger(logger, level, marker); 043 this.fqcn = fqcn; 044 } 045 046 @Override 047 public void close() throws IOException { 048 this.out.close(); 049 this.logger.close(this.fqcn); 050 } 051 052 @Override 053 public void flush() throws IOException { 054 this.out.flush(); 055 } 056 057 @Override 058 public String toString() { 059 return "{writer=" + this.out + '}'; 060 } 061 062 @Override 063 public void write(final char[] cbuf) throws IOException { 064 this.out.write(cbuf); 065 this.logger.put(this.fqcn, cbuf, 0, cbuf.length); 066 } 067 068 @Override 069 public void write(final char[] cbuf, final int off, final int len) throws IOException { 070 this.out.write(cbuf, off, len); 071 this.logger.put(this.fqcn, cbuf, off, len); 072 } 073 074 @Override 075 public void write(final int c) throws IOException { 076 this.out.write(c); 077 this.logger.put(this.fqcn, (char) c); 078 } 079 080 @Override 081 public void write(final String str) throws IOException { 082 this.out.write(str); 083 this.logger.put(this.fqcn, str, 0, str.length()); 084 } 085 086 @Override 087 public void write(final String str, final int off, final int len) throws IOException { 088 this.out.write(str, off, len); 089 this.logger.put(this.fqcn, str, off, len); 090 } 091}