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Java > Open Source Codes > com > caucho > quercus > module > StaticFunction


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.module;
31
32 import com.caucho.quercus.QuercusModuleException;
33 import com.caucho.quercus.env.JavaInvoker;
34 import com.caucho.util.L10N;
35
36 import java.lang.reflect.InvocationTargetException JavaDoc;
37 import java.lang.reflect.Method JavaDoc;
38 import java.util.logging.Logger JavaDoc;
39
40 /**
41  * Represents the introspected static function information.
42  */
43 public class StaticFunction extends JavaInvoker {
44   private static final L10N L = new L10N(StaticFunction.class);
45   private static final Logger JavaDoc log =
46     Logger.getLogger(StaticFunction.class.getName());
47
48   protected final QuercusModule _quercusModule;
49   protected final Method JavaDoc _method;
50
51   /**
52    * Creates the statically introspected function.
53    *
54    * @param method the introspected method.
55    */
56   public StaticFunction(ModuleContext moduleContext,
57                         QuercusModule quercusModule,
58                         Method JavaDoc method)
59   {
60     super(moduleContext,
61           method.getName(),
62           method.getParameterTypes(),
63           method.getParameterAnnotations(),
64           method.getAnnotations(),
65           method.getReturnType());
66
67     _method = method;
68     _quercusModule = quercusModule;
69   }
70
71   /**
72    * Returns the owning module object.
73    *
74    * @return the module object
75    */
76   public QuercusModule getModule()
77   {
78     return _quercusModule;
79   }
80
81   /**
82    * Returns the function's method.
83    *
84    * @return the reflection method.
85    */
86   public Method JavaDoc getMethod()
87   {
88     return _method;
89   }
90
91   /**
92    * Evalutes the function.
93    */
94   @Override JavaDoc
95   public Object JavaDoc invoke(Object JavaDoc obj, Object JavaDoc []javaArgs)
96   {
97     try {
98       return _method.invoke(_quercusModule, javaArgs);
99     } catch (RuntimeException JavaDoc e) {
100       throw e;
101     } catch (InvocationTargetException JavaDoc e) {
102       throw QuercusModuleException.create(e.getCause());
103     } catch (Exception JavaDoc e) {
104       throw QuercusModuleException.create(e);
105     }
106   }
107
108   public String JavaDoc toString()
109   {
110     return "StaticFunction[" + _method + "]";
111   }
112 }
113
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