Source code: info/crossbar/state/AppConfig.java
1 /*
2 * @(#)AppConfig.java $Revision: 1.3 $ $Date: 2003/06/04 04:55:32 $
3 *
4 * Copyright 2002 by Daniel Kehoe <kehoe@fortuity.com>
5 * All Rights Reserved
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28 package info.crossbar.state;
29
30 import java.util.logging.Logger;
31
32 import java.util.prefs.*;
33
34 import java.io.File;
35
36 import javax.servlet.ServletException;
37
38 import info.crossbar.state.App;
39
40 import info.crossbar.filtersAndListeners.ContextListener;
41
42 /**
43 * AppConfig class for use by <a href="http://www.crossbar.info/">Crossbar</a>
44 *
45 * @author Daniel Kehoe, <a href="http://www.fortuity.com/">Fortuity Consulting</a>
46 * @version <a href="http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/crossbar/crossbar-sitemap/src/java/info/crossbar/state/AppConfig.java">View source, revision history</a>
47 * $Revision: 1.3 $ $Date: 2003/06/04 04:55:32 $
48 * <p>
49 * DESCRIPTION:
50 * The AppConfig class encapsulates a Java Preferences object.
51 */
52
53 public class AppConfig {
54
55 /**
56 * No logging in this class because it is initialized before logging is initialized.
57 */
58 // private static Logger log = Logger.getLogger(AppConfig.class.getName());
59
60 /**
61 * Application preferences object.
62 */
63 private Preferences prefs;
64
65 /**
66 * Constructor. Obtains the application preferences object.
67 *
68 * @exception ServletException thrown by any error
69 */
70 public AppConfig()
71 throws ServletException {
72 // Obtain the menu preferences object
73 // (it needs to be qualified with the application name):
74 this.prefs = (Preferences.systemNodeForPackage(
75 AppConfig.class)).node(App.context.getServletContextName());
76 }
77
78 public void setDebugLevel(String debuglevel) {
79 this.prefs.put("info.crossbar.debuglevel", debuglevel);
80 try {
81 ContextListener.setLogging(App.context);
82 } catch (ServletException e) {
83 App.context.log(e.getMessage());
84 }
85 }
86 public String getDebugLevel() {
87 String value = this.prefs.get("info.crossbar.debuglevel", App.context.getInitParameter("info.crossbar.debuglevel"));
88 if(!"true".equals(App.context.getInitParameter("info.crossbar.ignoreWEBXML")))
89 value = App.context.getInitParameter("info.crossbar.debuglevel");
90 return value;
91 }
92
93 public void setLogFilePath(String logFilePath) {
94 this.prefs.put("info.crossbar.logfilepath", logFilePath);
95 try {
96 ContextListener.setLogging(App.context);
97 } catch (ServletException e) {
98 App.context.log(e.getMessage());
99 }
100 }
101 public String getLogFilePath() {
102 String value = this.prefs.get("info.crossbar.logfilepath", App.context.getInitParameter("info.crossbar.logfilepath"));
103 if(!"true".equals(App.context.getInitParameter("info.crossbar.ignoreWEBXML")))
104 value = App.context.getInitParameter("info.crossbar.logfilepath");
105 if ("DEFAULT".equals(value.toUpperCase())) {
106 String logFileName = App.context.getServletContextName().toLowerCase() + ".log";
107 String slash = System.getProperty("file.separator");
108 // try getting the tempdir value, it looks like
109 // "C:\java\tomcat4\work\Standalone\localhost\crossbar",
110 // it works better than context.getRealPath("") because
111 // context.getRealPath("") doesn't work well when the
112 // app is deployed from an unexploded war file
113 String lengthyPath = ((File) App.context.getAttribute("javax.servlet.context.tempdir")).getParent();
114 if (lengthyPath == null) {
115 String msg = "FATAL: cannot obtain file system reference, cannot set log file";
116 System.out.println(msg);
117 App.context.log(msg);
118 }
119 lengthyPath = lengthyPath.substring(0, lengthyPath.lastIndexOf(slash));
120 lengthyPath = lengthyPath.substring(0, lengthyPath.lastIndexOf(slash));
121 value = lengthyPath.substring(0, lengthyPath.lastIndexOf(slash))
122 + slash + "logs" + slash + logFileName;
123 // when we're done, the log filepath should look something like:
124 // "D:\Program Files\tomcat\logs\crossbar.log"
125 }
126 return value;
127 }
128
129 }// end of class AppConfig
130