01: /*
02: * Copyright 1999,2004 The Apache Software Foundation.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16:
17: package org.apache.naming.factory;
18:
19: import org.apache.naming.EjbRef;
20:
21: import javax.naming.Context;
22: import javax.naming.InitialContext;
23: import javax.naming.Name;
24: import javax.naming.Reference;
25: import javax.naming.RefAddr;
26: import javax.naming.spi.ObjectFactory;
27: import java.util.Hashtable;
28: import java.util.Properties;
29:
30: /**
31: * Object factory for EJBs.
32: *
33: * @author Jacek Laskowski
34: * @author Remy Maucherat
35: * @version $Revision: 1.2 $ $Date: 2004/02/27 14:58:54 $
36: */
37: public class OpenEjbFactory implements ObjectFactory {
38:
39: // -------------------------------------------------------------- Constants
40:
41: protected static final String DEFAULT_OPENEJB_FACTORY = "org.openejb.client.LocalInitialContextFactory";
42:
43: // -------------------------------------------------- ObjectFactory Methods
44:
45: /**
46: * Crete a new EJB instance using OpenEJB.
47: *
48: * @param obj The reference object describing the DataSource
49: */
50: public Object getObjectInstance(Object obj, Name name,
51: Context nameCtx, Hashtable environment) throws Exception {
52:
53: Object beanObj = null;
54:
55: if (obj instanceof EjbRef) {
56:
57: Reference ref = (Reference) obj;
58:
59: String factory = DEFAULT_OPENEJB_FACTORY;
60: RefAddr factoryRefAddr = ref.get("openejb.factory");
61: if (factoryRefAddr != null) {
62: // Retrieving the OpenEJB factory
63: factory = factoryRefAddr.getContent().toString();
64: }
65:
66: Properties env = new Properties();
67: env.put(Context.INITIAL_CONTEXT_FACTORY, factory);
68:
69: RefAddr linkRefAddr = ref.get("openejb.link");
70: if (linkRefAddr != null) {
71: String ejbLink = linkRefAddr.getContent().toString();
72: beanObj = (new InitialContext(env)).lookup(ejbLink);
73: }
74:
75: }
76:
77: return beanObj;
78:
79: }
80:
81: }
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