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Java > Open Source Codes > com > caucho > quercus > lib > JavaModule


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * 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.quercus.lib;
31
32 import com.caucho.quercus.env.Env;
33 import com.caucho.quercus.env.JavaValue;
34 import com.caucho.quercus.env.Value;
35 import com.caucho.quercus.module.AbstractQuercusModule;
36 import com.caucho.quercus.program.JavaClassDef;
37 import com.caucho.util.L10N;
38
39 import java.util.logging.Logger JavaDoc;
40
41 /**
42  * Java functions
43  */
44 public class JavaModule extends AbstractQuercusModule {
45   private static final Logger JavaDoc log =
46     Logger.getLogger(JavaModule.class.getName());
47
48   private static final L10N L = new L10N(JavaModule.class);
49
50   /**
51    * Call the Java constructor and return the wrapped Java object.
52    */
53   public static Object JavaDoc java(Env env,
54                String JavaDoc className,
55                Value []args)
56   {
57     try {
58       JavaClassDef def = env.getJavaClassDefinition(className);
59
60       if (def != null)
61     return def.callNew(env, args);
62       
63       ClassLoader JavaDoc loader = Thread.currentThread().getContextClassLoader();
64       
65       Class JavaDoc cl = Class.forName(className, false, loader);
66
67       try {
68     return cl.newInstance();
69       } catch (Throwable JavaDoc e) {
70       }
71
72       return new JavaValue(env, null, def);
73     } catch (Throwable JavaDoc e) {
74       env.warning(e);
75
76       return null;
77     }
78   }
79
80   /**
81    * Call the Java constructor and return the wrapped Java object.
82    */
83   public static Object JavaDoc java_class(Env env,
84                   String JavaDoc className)
85   {
86     try {
87       JavaClassDef def = env.getJavaClassDefinition(className);
88
89       return new JavaValue(env, null, def);
90     } catch (Throwable JavaDoc e) {
91       env.warning(e);
92
93       return null;
94     }
95   }
96 }
97
98
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