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annotate src/org/tn5250j/tools/logging/TN5250jLogFactory.java @ 25:5949eb469a79 tn5250
adding tn5250 files, native android logging
| author | Carl Byington <carl@five-ten-sg.com> |
|---|---|
| date | Tue, 03 Jun 2014 12:10:21 -0700 |
| parents | cbdff98c45ea |
| children |
| rev | line source |
|---|---|
| 5 | 1 /* |
| 2 * @(#)TN5250jLogFactory.java | |
| 3 * @author Kenneth J. Pouncey | |
| 4 * | |
| 5 * Copyright: Copyright (c) 2001, 2002, 2003 | |
| 6 * | |
| 7 * This program is free software; you can redistribute it and/or modify | |
| 8 * it under the terms of the GNU General Public License as published by | |
| 9 * the Free Software Foundation; either version 2, or (at your option) | |
| 10 * any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, | |
| 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 * GNU General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU General Public License | |
| 18 * along with this software; see the file COPYING. If not, write to | |
| 19 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, | |
| 20 * Boston, MA 02111-1307 USA | |
| 21 * | |
| 22 */ | |
| 23 package org.tn5250j.tools.logging; | |
| 24 | |
| 25 import java.util.*; | |
| 26 | |
|
25
5949eb469a79
adding tn5250 files, native android logging
Carl Byington <carl@five-ten-sg.com>
parents:
5
diff
changeset
|
27 |
| 5 | 28 import org.tn5250j.interfaces.ConfigureFactory; |
| 29 | |
| 30 /** | |
| 31 * An interface defining objects that can create Configure | |
| 32 * instances. | |
| 33 * | |
| 34 * The model for the HashMap implementation of loggers came from the POI project | |
| 35 * thanks to Nicola Ken Barozzi (nicolaken at apache.org) for the reference. | |
| 36 * | |
| 37 */ | |
| 38 public final class TN5250jLogFactory { | |
| 39 | |
| 40 // map of TN5250jLogger instances, with classes as keys | |
| 41 private static Map<String, TN5250jLogger> _loggers = new HashMap<String, TN5250jLogger>(); | |
| 42 private static boolean log4j; | |
| 43 private static String customLogger; | |
| 44 private static int level = TN5250jLogger.INFO; | |
| 45 | |
| 46 /** | |
| 47 * Here we try to do a little more work up front. | |
| 48 */ | |
| 49 static { | |
| 50 | |
| 51 try { | |
| 52 Properties props = | |
| 53 ConfigureFactory.getInstance().getProperties( | |
| 54 ConfigureFactory.SESSIONS); | |
| 55 | |
| 56 | |
| 57 level = Integer.parseInt(props.getProperty("emul.logLevel", | |
| 58 Integer.toString(TN5250jLogger.INFO))); | |
| 59 | |
| 60 String customLogger = System.getProperty(TN5250jLogFactory.class.getName()); | |
| 61 if (customLogger == null) { | |
| 62 try { | |
| 63 Class.forName("org.apache.log4j.Logger"); | |
| 64 log4j = true; | |
| 65 } | |
| 66 catch (Exception ignore) { ; } | |
| 67 } | |
| 68 | |
| 69 } | |
| 70 catch (Exception ignore) { ; } | |
| 71 | |
| 72 } | |
| 73 | |
| 74 /** | |
| 75 * Set package access only so we have to use getLogger() to return a logger object. | |
| 76 */ | |
| 77 TN5250jLogFactory() { | |
| 78 | |
| 79 } | |
| 80 | |
| 81 /** | |
| 82 * @return An instance of the TN5250jLogger. | |
| 83 */ | |
| 84 public static TN5250jLogger getLogger (Class<?> clazz) { | |
| 85 return getLogger(clazz.getName()); | |
| 86 } | |
| 87 | |
| 88 /** | |
| 89 * @return An instance of the TN5250jLogger. | |
| 90 */ | |
| 91 public static TN5250jLogger getLogger (String clazzName) { | |
| 92 TN5250jLogger logger = null; | |
| 93 | |
| 94 if (_loggers.containsKey(clazzName)) { | |
| 95 logger = _loggers.get(clazzName); | |
| 96 } else { | |
| 97 | |
| 98 if (customLogger != null) { | |
| 99 try { | |
| 100 | |
| 101 Class<?> classObject = Class.forName(customLogger); | |
| 102 Object object = classObject.newInstance(); | |
| 103 if (object instanceof TN5250jLogger) { | |
| 104 logger = (TN5250jLogger) object; | |
| 105 } | |
| 106 } | |
| 107 catch (Exception ex) { ; } | |
| 108 } else { | |
| 109 if (log4j) { | |
| 110 logger = new Log4jLogger(); | |
| 111 } else { | |
| 112 // take the default logger. | |
| 113 logger = new ConsoleLogger(); | |
| 114 } | |
| 115 logger.initialize(clazzName); | |
| 116 logger.setLevel(level); | |
| 117 _loggers.put(clazzName, logger); | |
| 118 } | |
| 119 } | |
| 120 | |
| 121 return logger; | |
| 122 } | |
| 123 | |
| 124 public static boolean isLog4j() { | |
| 125 return log4j; | |
| 126 } | |
| 127 | |
| 128 public static void setLogLevels(int newLevel) { | |
| 129 | |
| 130 if (level != newLevel) { | |
| 131 level = newLevel; | |
| 132 TN5250jLogger logger = null; | |
| 133 Set<String> loggerSet = _loggers.keySet(); | |
| 134 Iterator<String> loggerIterator = loggerSet.iterator(); | |
| 135 while (loggerIterator.hasNext()) { | |
| 136 logger = _loggers.get(loggerIterator.next()); | |
| 137 logger.setLevel(newLevel); | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 } | |
| 142 | |
| 143 } |