001/* 002 * $Id: Logger.java 4847 2011-05-05 19:46:13Z redlab_b $ 003 * 004 * This file is part of the iText (R) project. Copyright (c) 1998-2011 1T3XT 005 * BVBA Authors: Balder Van Camp, Emiel Ackermann, et al. 006 * 007 * This program is free software; you can redistribute it and/or modify it under 008 * the terms of the GNU Affero General License version 3 as published by the 009 * Free Software Foundation with the addition of the following permission added 010 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK 011 * IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT, 1T3XT DISCLAIMS THE WARRANTY OF NON 012 * INFRINGEMENT OF THIRD PARTY RIGHTS. 013 * 014 * This program is distributed in the hope that it will be useful, but WITHOUT 015 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 016 * FOR A PARTICULAR PURPOSE. See the GNU Affero General License for more 017 * details. You should have received a copy of the GNU Affero General License 018 * along with this program; if not, see http://www.gnu.org/licenses or write to 019 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 020 * MA, 02110-1301 USA, or download the license from the following URL: 021 * http://itextpdf.com/terms-of-use/ 022 * 023 * The interactive user interfaces in modified source and object code versions 024 * of this program must display Appropriate Legal Notices, as required under 025 * Section 5 of the GNU Affero General License. 026 * 027 * In accordance with Section 7(b) of the GNU Affero General License, a covered 028 * work must retain the producer line in every PDF that is created or 029 * manipulated using iText. 030 * 031 * You can be released from the requirements of the license by purchasing a 032 * commercial license. Buying such a license is mandatory as soon as you develop 033 * commercial activities involving the iText software without disclosing the 034 * source code of your own applications. These activities include: offering paid 035 * services to customers as an ASP, serving PDFs on the fly in a web 036 * application, shipping iText with a closed source product. 037 * 038 * For more information, please contact iText Software Corp. at this address: 039 * sales@itextpdf.com 040 */ 041package com.itextpdf.text.log; 042 043 044/** 045 * A Simple System.out logger. 046 * @author redlab_be 047 * 048 */ 049public class SysoLogger implements Logger { 050 051 private String name; 052 private final int shorten; 053 054 /** 055 * Defaults packageReduce to 1. 056 */ 057 public SysoLogger() { 058 this(1); 059 } 060 /** 061 * Amount of characters each package name should be reduced with. 062 * @param packageReduce 063 * 064 */ 065 public SysoLogger(final int packageReduce) { 066 this.shorten = packageReduce; 067 } 068 069 /** 070 * @param klass 071 * @param shorten 072 */ 073 protected SysoLogger(final String klass, final int shorten) { 074 this.shorten = shorten; 075 this.name = klass; 076 } 077 078 public Logger getLogger(final Class<?> klass) { 079 return new SysoLogger(klass.getName(), shorten); 080 } 081 082 /* (non-Javadoc) 083 * @see com.itextpdf.text.log.Logger#getLogger(java.lang.String) 084 */ 085 public Logger getLogger(final String name) { 086 return new SysoLogger("[itext]", 0); 087 } 088 089 public boolean isLogging(final Level level) { 090 return true; 091 } 092 093 public void warn(final String message) { 094 System.out.println(String.format("%s WARN %s", shorten(name), message)); 095 } 096 097 /** 098 * @param name2 099 * @return 100 */ 101 private String shorten(final String className) { 102 if (shorten != 0) { 103 StringBuilder target = new StringBuilder(); 104 String name = className; 105 int fromIndex = className.indexOf('.'); 106 while (fromIndex != -1) { 107 int parseTo = (fromIndex < shorten) ? (fromIndex) : (shorten); 108 target.append(name.substring(0, parseTo)); 109 target.append('.'); 110 name = name.substring(fromIndex + 1); 111 fromIndex = name.indexOf('.'); 112 } 113 target.append(className.substring(className.lastIndexOf('.') + 1)); 114 return target.toString(); 115 } 116 return className; 117 } 118 119 public void trace(final String message) { 120 System.out.println(String.format("%s TRACE %s", shorten(name), message)); 121 } 122 123 public void debug(final String message) { 124 System.out.println(String.format("%s DEBUG %s", shorten(name), message)); 125 } 126 127 public void info(final String message) { 128 System.out.println(String.format("%s INFO %s", shorten(name), message)); 129 } 130 131 public void error(final String message) { 132 System.out.println(String.format("%s ERROR %s", name, message)); 133 } 134 135 public void error(final String message, final Exception e) { 136 System.out.println(String.format("%s ERROR %s", name, message)); 137 e.printStackTrace(System.out); 138 } 139}