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Java > Open Source Codes > com > caucho > ejb > cfg > EjbSessionHomeView


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.ejb.cfg;
31
32 import com.caucho.bytecode.JClass;
33 import com.caucho.bytecode.JMethod;
34 import com.caucho.config.ConfigException;
35 import com.caucho.log.Log;
36 import com.caucho.util.L10N;
37
38 import javax.ejb.CreateException JavaDoc;
39 import java.util.logging.Logger JavaDoc;
40
41 /**
42  * Configuration for a particular view.
43  */
44 public class EjbSessionHomeView extends EjbHomeView {
45   private static final Logger JavaDoc log = Log.open(EjbSessionHomeView.class);
46   private static final L10N L = new L10N(EjbSessionHomeView.class);
47
48   /**
49    * Creates a new entity bean configuration.
50    */
51   public EjbSessionHomeView(EjbBean bean, JClass apiClass, String JavaDoc prefix)
52     throws ConfigException
53   {
54     super(bean, apiClass, prefix);
55   }
56
57   /**
58    * Introspects an ejb method.
59    */
60   protected EjbMethod introspectEJBMethod(JMethod method)
61     throws ConfigException
62   {
63     JClass apiClass = getApiClass();
64     String JavaDoc methodName = method.getName();
65     JClass []paramTypes = method.getParameterTypes();
66
67     if (methodName.startsWith("ejbCreate")) {
68       String JavaDoc createName = "c" + methodName.substring(4);
69       
70       JMethod apiMethod = EjbBean.getMethod(apiClass,
71                         createName,
72                        paramTypes);
73
74       /*
75       if (apiMethod == null)
76     throw errorMissingMethod(apiClass, createName, method);
77       */
78       if (apiMethod == null) {
79     log.config(errorMissingMethod(apiClass, createName, method).getMessage());
80     return null;
81       }
82
83       validateException(apiMethod, CreateException JavaDoc.class);
84
85       return new EjbCreateMethod(this, apiMethod, method);
86     }
87     
88     if (! methodName.startsWith("ejb"))
89       return null;
90     else if (methodName.equals("ejbRemove"))
91       return null;
92     else if (methodName.startsWith("ejbCreate"))
93       return null;
94     else if (methodName.startsWith("ejbPostCreate"))
95       return null;
96     else if (methodName.startsWith("ejbActivate"))
97       return null;
98     else if (methodName.startsWith("ejbPassivate"))
99       return null;
100     // XXX: check
101 else if (methodName.startsWith("ejbDestroy"))
102       return null;
103     else
104       throw error(L.l("{0}: '{1}' must not start with 'ejb'. The EJB spec reserves all methods starting with ejb.",
105                       method.getDeclaringClass().getName(),
106                       getFullMethodName(method)));
107   }
108
109   /**
110    * Introspects a method in the view api which does not exist in
111    * implementation bean.
112    */
113   protected EjbMethod introspectApiMethod(JMethod apiMethod)
114     throws ConfigException
115   {
116     String JavaDoc apiName = apiMethod.getName();
117
118     if (apiName.equals("create"))
119       throw errorMissingMethod(getImplClass(), "ejbCreate", apiMethod);
120     else
121       return super.introspectApiMethod(apiMethod);
122   }
123 }
124
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