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; 019 020import java.io.FilterInputStream; 021import java.io.IOException; 022import java.io.InputStream; 023import java.nio.charset.Charset; 024 025import org.apache.logging.log4j.Level; 026import org.apache.logging.log4j.Marker; 027import org.apache.logging.log4j.io.internal.InternalInputStream; 028import org.apache.logging.log4j.spi.ExtendedLogger; 029 030/** 031 * Logs each line read to a pre-defined level. Can also be configured with a Marker. 032 * 033 * @since 2.1 034 */ 035public class LoggerInputStream extends FilterInputStream { 036 private static final String FQCN = LoggerInputStream.class.getName(); 037 038 private final InternalInputStream logger; 039 040 protected LoggerInputStream(final InputStream in, final Charset charset, final ExtendedLogger logger, 041 final String fqcn, final Level level, final Marker marker) { 042 super(in); 043 this.logger = new InternalInputStream(in, charset, logger, fqcn == null ? FQCN : fqcn, level, marker); 044 } 045 046 @Override 047 public void close() throws IOException { 048 this.logger.close(); 049 } 050 051 @Override 052 public int read() throws IOException { 053 return logger.read(); 054 } 055 056 @Override 057 public int read(final byte[] b) throws IOException { 058 return logger.read(b); 059 } 060 061 @Override 062 public int read(final byte[] b, final int off, final int len) throws IOException { 063 return logger.read(b, off, len); 064 } 065 066 @Override 067 public String toString() { 068 return LoggerInputStream.class.getSimpleName() + logger.toString(); 069 } 070}