01: /* ========================================================================
02: * JCommon : a free general purpose class library for the Java(tm) platform
03: * ========================================================================
04: *
05: * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
06: *
07: * Project Info: http://www.jfree.org/jcommon/index.html
08: *
09: * This library is free software; you can redistribute it and/or modify it
10: * under the terms of the GNU Lesser General Public License as published by
11: * the Free Software Foundation; either version 2.1 of the License, or
12: * (at your option) any later version.
13: *
14: * This library is distributed in the hope that it will be useful, but
15: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17: * License for more details.
18: *
19: * You should have received a copy of the GNU Lesser General Public
20: * License along with this library; if not, write to the Free Software
21: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22: * USA.
23: *
24: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
25: * in the United States and other countries.]
26: *
27: * ---------------------
28: * DefaultLogModule.java
29: * ---------------------
30: * (C)opyright 2003, 2004, by Thomas Morgner and Contributors.
31: *
32: * Original Author: Thomas Morgner;
33: * Contributor(s): David Gilbert (for Object Refinery Limited);
34: *
35: * $Id: DefaultLogModule.java,v 1.8 2005/12/18 23:29:18 taqua Exp $
36: *
37: * Changes
38: * -------
39: * 11-Jul-2003 : Initial version
40: * 07-Jun-2004 : Added JCommon header (DG);
41: * 25-Nov-2005 : The initialization was overly complicated. There is only
42: * one logtarget here, and additional targets should create
43: * an dependent module.
44: */
45:
46: package org.jfree.base.log;
47:
48: import org.jfree.base.modules.AbstractModule;
49: import org.jfree.base.modules.ModuleInitializeException;
50: import org.jfree.base.modules.SubSystem;
51: import org.jfree.util.Log;
52: import org.jfree.util.PrintStreamLogTarget;
53:
54: /**
55: * The module definition for the System.out-Logging. This is the default log
56: * implementation and is provided to insert the logging initialisation in the
57: * module loading process.
58: *
59: * @author Thomas Morgner
60: */
61: public class DefaultLogModule extends AbstractModule {
62: /**
63: * DefaultConstructor. Loads the module specification.
64: *
65: * @throws ModuleInitializeException if an error occured.
66: */
67: public DefaultLogModule() throws ModuleInitializeException {
68: loadModuleInfo();
69: }
70:
71: /**
72: * Initalizes the module. This method initializes the logging system, if the
73: * System.out logtarget is selected.
74: *
75: * @param subSystem the sub-system.
76: * @throws ModuleInitializeException if an error occured.
77: */
78: public void initialize(final SubSystem subSystem)
79: throws ModuleInitializeException {
80: if (LogConfiguration.isDisableLogging()) {
81: return;
82: }
83:
84: if (LogConfiguration.getLogTarget().equals(
85: PrintStreamLogTarget.class.getName())) {
86: DefaultLog.installDefaultLog();
87: Log.getInstance().addTarget(new PrintStreamLogTarget());
88:
89: if ("true".equals(subSystem.getGlobalConfig()
90: .getConfigProperty("org.jfree.base.LogAutoInit"))) {
91: Log.getInstance().init();
92: }
93: Log
94: .info("Default log target started ... previous log messages "
95: + "could have been ignored.");
96: }
97: }
98: }
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