001/** 002 * 003 * Copyright the original author or authors 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * 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 */ 017package org.jivesoftware.smack.debugger; 018 019import java.text.SimpleDateFormat; 020import java.util.Date; 021 022import org.jivesoftware.smack.XMPPConnection; 023import org.jivesoftware.smack.util.ExceptionUtil; 024 025/** 026 * Very simple debugger that prints to the console (stdout) the sent and received stanzas. Use 027 * this debugger with caution since printing to the console is an expensive operation that may 028 * even block the thread since only one thread may print at a time. 029 * <p> 030 * It is possible to not only print the raw sent and received stanzas but also the interpreted 031 * packets by Smack. By default interpreted packets won't be printed. To enable this feature 032 * just change the <code>printInterpreted</code> static variable to <code>true</code>. 033 * </p> 034 * 035 * @author Gaston Dombiak 036 */ 037public class ConsoleDebugger extends AbstractDebugger { 038 private final SimpleDateFormat dateFormatter = new SimpleDateFormat("HH:mm:ss"); 039 040 public ConsoleDebugger(XMPPConnection connection) { 041 super(connection); 042 } 043 044 @Override 045 protected void log(String logMessage) { 046 String formatedDate; 047 synchronized (dateFormatter) { 048 formatedDate = dateFormatter.format(new Date()); 049 } 050 // CHECKSTYLE:OFF 051 System.out.println(formatedDate + ' ' + logMessage); 052 // CHECKSTYLE:ON 053 } 054 055 @Override 056 protected void log(String logMessage, Throwable throwable) { 057 String stacktrace = ExceptionUtil.getStackTrace(throwable); 058 log(logMessage + '\n' + stacktrace); 059 } 060 061 public static final class Factory implements SmackDebuggerFactory { 062 063 public static final SmackDebuggerFactory INSTANCE = new Factory(); 064 065 private Factory() { 066 } 067 068 @Override 069 public SmackDebugger create(XMPPConnection connection) throws IllegalArgumentException { 070 return new ConsoleDebugger(connection); 071 } 072 073 } 074}