| /* |
| * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//httpclient/src/java/org/apache/commons/httpclient/Wire.java,v 1.9 2004/06/24 21:39:52 mbecke Exp $ |
| * $Revision: 653041 $ |
| * $Date: 2008-05-03 03:39:28 -0700 (Sat, 03 May 2008) $ |
| * |
| * ==================================================================== |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.http.impl.conn; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.ByteArrayInputStream; |
| import org.apache.commons.logging.Log; |
| |
| /** |
| * Logs data to the wire LOG. |
| * |
| * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a> |
| * |
| * @since 4.0 |
| */ |
| public class Wire { |
| |
| private final Log log; |
| |
| public Wire(Log log) { |
| this.log = log; |
| } |
| |
| private void wire(String header, InputStream instream) |
| throws IOException { |
| StringBuilder buffer = new StringBuilder(); |
| int ch; |
| while ((ch = instream.read()) != -1) { |
| if (ch == 13) { |
| buffer.append("[\\r]"); |
| } else if (ch == 10) { |
| buffer.append("[\\n]\""); |
| buffer.insert(0, "\""); |
| buffer.insert(0, header); |
| log.debug(buffer.toString()); |
| buffer.setLength(0); |
| } else if ((ch < 32) || (ch > 127)) { |
| buffer.append("[0x"); |
| buffer.append(Integer.toHexString(ch)); |
| buffer.append("]"); |
| } else { |
| buffer.append((char) ch); |
| } |
| } |
| if (buffer.length() > 0) { |
| buffer.append('\"'); |
| buffer.insert(0, '\"'); |
| buffer.insert(0, header); |
| log.debug(buffer.toString()); |
| } |
| } |
| |
| |
| public boolean enabled() { |
| return log.isDebugEnabled(); |
| } |
| |
| public void output(InputStream outstream) |
| throws IOException { |
| if (outstream == null) { |
| throw new IllegalArgumentException("Output may not be null"); |
| } |
| wire(">> ", outstream); |
| } |
| |
| public void input(InputStream instream) |
| throws IOException { |
| if (instream == null) { |
| throw new IllegalArgumentException("Input may not be null"); |
| } |
| wire("<< ", instream); |
| } |
| |
| public void output(byte[] b, int off, int len) |
| throws IOException { |
| if (b == null) { |
| throw new IllegalArgumentException("Output may not be null"); |
| } |
| wire(">> ", new ByteArrayInputStream(b, off, len)); |
| } |
| |
| public void input(byte[] b, int off, int len) |
| throws IOException { |
| if (b == null) { |
| throw new IllegalArgumentException("Input may not be null"); |
| } |
| wire("<< ", new ByteArrayInputStream(b, off, len)); |
| } |
| |
| public void output(byte[] b) |
| throws IOException { |
| if (b == null) { |
| throw new IllegalArgumentException("Output may not be null"); |
| } |
| wire(">> ", new ByteArrayInputStream(b)); |
| } |
| |
| public void input(byte[] b) |
| throws IOException { |
| if (b == null) { |
| throw new IllegalArgumentException("Input may not be null"); |
| } |
| wire("<< ", new ByteArrayInputStream(b)); |
| } |
| |
| public void output(int b) |
| throws IOException { |
| output(new byte[] {(byte) b}); |
| } |
| |
| public void input(int b) |
| throws IOException { |
| input(new byte[] {(byte) b}); |
| } |
| |
| public void output(final String s) |
| throws IOException { |
| if (s == null) { |
| throw new IllegalArgumentException("Output may not be null"); |
| } |
| output(s.getBytes()); |
| } |
| |
| public void input(final String s) |
| throws IOException { |
| if (s == null) { |
| throw new IllegalArgumentException("Input may not be null"); |
| } |
| input(s.getBytes()); |
| } |
| } |