01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: *
23: * Free Software Foundation, Inc.
24: * 59 Temple Place, Suite 330
25: * Boston, MA 02111-1307 USA
26: *
27: * @author Scott Ferguson
28: */
29:
30: package com.caucho.config.lib;
31:
32: import com.caucho.naming.Jndi;
33: import com.caucho.webbeans.manager.*;
34:
35: import java.lang.reflect.*;
36: import java.util.logging.*;
37:
38: /**
39: * Library of static config functions.
40: */
41: public class ResinConfigLibrary {
42: private static Logger _log;
43:
44: public static boolean class_exists(String className) {
45: try {
46: Thread thread = Thread.currentThread();
47: ClassLoader loader = thread.getContextClassLoader();
48:
49: Class cl = Class.forName(className, false, loader);
50:
51: return cl != null;
52: } catch (Throwable e) {
53: log().log(Level.FINEST, e.toString(), e);
54: }
55:
56: return false;
57: }
58:
59: public static Object jndi(String jndiName) {
60: return jndi_lookup(jndiName);
61: }
62:
63: public static Object jndi_lookup(String jndiName) {
64: return Jndi.lookup(jndiName);
65: }
66:
67: public static void configure(WebBeansContainer webBeans) {
68: try {
69: for (Method m : ResinConfigLibrary.class.getMethods()) {
70: if (!Modifier.isStatic(m.getModifiers()))
71: continue;
72: if (!Modifier.isPublic(m.getModifiers()))
73: continue;
74: if (m.getName().equals("configure"))
75: continue;
76:
77: webBeans.addSingletonByName(m, m.getName());
78: }
79: } catch (Exception e) {
80: log().log(Level.FINE, e.toString(), e);
81: }
82: }
83:
84: private static Logger log() {
85: if (_log == null)
86: _log = Logger.getLogger(ResinConfigLibrary.class.getName());
87:
88: return _log;
89: }
90: }
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