1 /* 2 * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/conn/LoggingSessionOutputBuffer.java $ 3 * $Revision: 674186 $ 4 * $Date: 2008-07-05 05:18:54 -0700 (Sat, 05 Jul 2008) $ 5 * 6 * ==================================================================== 7 * 8 * Licensed to the Apache Software Foundation (ASF) under one or more 9 * contributor license agreements. See the NOTICE file distributed with 10 * this work for additional information regarding copyright ownership. 11 * The ASF licenses this file to You under the Apache License, Version 2.0 12 * (the "License"); you may not use this file except in compliance with 13 * the License. You may obtain a copy of the License at 14 * 15 * http://www.apache.org/licenses/LICENSE-2.0 16 * 17 * Unless required by applicable law or agreed to in writing, software 18 * distributed under the License is distributed on an "AS IS" BASIS, 19 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 20 * See the License for the specific language governing permissions and 21 * limitations under the License. 22 * ==================================================================== 23 * 24 * This software consists of voluntary contributions made by many 25 * individuals on behalf of the Apache Software Foundation. For more 26 * information on the Apache Software Foundation, please see 27 * <http://www.apache.org/>. 28 * 29 */ 30 31 package org.apache.http.impl.conn; 32 33 import java.io.IOException; 34 35 import org.apache.http.io.HttpTransportMetrics; 36 import org.apache.http.io.SessionOutputBuffer; 37 import org.apache.http.util.CharArrayBuffer; 38 39 /** 40 * Logs all data written to the wire LOG. 41 * 42 * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a> 43 * 44 * @since 4.0 45 */ 46 public class LoggingSessionOutputBuffer implements SessionOutputBuffer { 47 48 /** Original data transmitter. */ 49 private final SessionOutputBuffer out; 50 51 /** The wire log to use. */ 52 private final Wire wire; 53 54 /** 55 * Create an instance that wraps the specified session output buffer. 56 * @param out The session output buffer. 57 * @param wire The Wire log to use. 58 */ LoggingSessionOutputBuffer(final SessionOutputBuffer out, final Wire wire)59 public LoggingSessionOutputBuffer(final SessionOutputBuffer out, final Wire wire) { 60 super(); 61 this.out = out; 62 this.wire = wire; 63 } 64 write(byte[] b, int off, int len)65 public void write(byte[] b, int off, int len) throws IOException { 66 this.out.write(b, off, len); 67 if (this.wire.enabled()) { 68 this.wire.output(b, off, len); 69 } 70 } 71 write(int b)72 public void write(int b) throws IOException { 73 this.out.write(b); 74 if (this.wire.enabled()) { 75 this.wire.output(b); 76 } 77 } 78 write(byte[] b)79 public void write(byte[] b) throws IOException { 80 this.out.write(b); 81 if (this.wire.enabled()) { 82 this.wire.output(b); 83 } 84 } 85 flush()86 public void flush() throws IOException { 87 this.out.flush(); 88 } 89 writeLine(final CharArrayBuffer buffer)90 public void writeLine(final CharArrayBuffer buffer) throws IOException { 91 this.out.writeLine(buffer); 92 if (this.wire.enabled()) { 93 String s = new String(buffer.buffer(), 0, buffer.length()); 94 this.wire.output(s + "[EOL]"); 95 } 96 } 97 writeLine(final String s)98 public void writeLine(final String s) throws IOException { 99 this.out.writeLine(s); 100 if (this.wire.enabled()) { 101 this.wire.output(s + "[EOL]"); 102 } 103 } 104 getMetrics()105 public HttpTransportMetrics getMetrics() { 106 return this.out.getMetrics(); 107 } 108 109 } 110