001/* 002 * ==================================================================== 003 * Licensed to the Apache Software Foundation (ASF) under one 004 * or more contributor license agreements. See the NOTICE file 005 * distributed with this work for additional information 006 * regarding copyright ownership. The ASF licenses this file 007 * to you under the Apache License, Version 2.0 (the 008 * "License"); you may not use this file except in compliance 009 * with the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, 014 * software distributed under the License is distributed on an 015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 016 * KIND, either express or implied. See the License for the 017 * specific language governing permissions and limitations 018 * under the License. 019 * ==================================================================== 020 * 021 * This software consists of voluntary contributions made by many 022 * individuals on behalf of the Apache Software Foundation. For more 023 * information on the Apache Software Foundation, please see 024 * <http://www.apache.org/>. 025 * 026 */ 027 028package org.apache.http.impl.conn; 029 030import java.io.IOException; 031import java.io.OutputStream; 032 033/** 034 * Internal class. 035 * 036 * @since 4.3 037 */ 038class LoggingOutputStream extends OutputStream { 039 040 private final OutputStream out; 041 private final Wire wire; 042 043 public LoggingOutputStream(final OutputStream out, final Wire wire) { 044 super(); 045 this.out = out; 046 this.wire = wire; 047 } 048 049 @Override 050 public void write(final int b) throws IOException { 051 try { 052 wire.output(b); 053 } catch (final IOException ex) { 054 wire.output("[write] I/O error: " + ex.getMessage()); 055 throw ex; 056 } 057 } 058 059 @Override 060 public void write(final byte[] b) throws IOException { 061 try { 062 wire.output(b); 063 out.write(b); 064 } catch (final IOException ex) { 065 wire.output("[write] I/O error: " + ex.getMessage()); 066 throw ex; 067 } 068 } 069 070 @Override 071 public void write(final byte[] b, final int off, final int len) throws IOException { 072 try { 073 wire.output(b, off, len); 074 out.write(b, off, len); 075 } catch (final IOException ex) { 076 wire.output("[write] I/O error: " + ex.getMessage()); 077 throw ex; 078 } 079 } 080 081 @Override 082 public void flush() throws IOException { 083 try { 084 out.flush(); 085 } catch (final IOException ex) { 086 wire.output("[flush] I/O error: " + ex.getMessage()); 087 throw ex; 088 } 089 } 090 091 @Override 092 public void close() throws IOException { 093 try { 094 out.close(); 095 } catch (final IOException ex) { 096 wire.output("[close] I/O error: " + ex.getMessage()); 097 throw ex; 098 } 099 } 100 101}