1 /**
2 *
3 * Copyright 2003-2004 The Apache Software Foundation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.geronimo.naming.java;
19
20 import javax.naming.Context;
21
22 import org.apache.geronimo.interceptor.Interceptor;
23 import org.apache.geronimo.interceptor.Invocation;
24 import org.apache.geronimo.interceptor.InvocationResult;
25
26 /**
27 * An interceptor that pushes the current component's java:comp context into
28 * the java: JNDI namespace
29 *
30 * @version $Rev: 417891 $ $Date: 2006-06-28 15:45:07 -0700 (Wed, 28 Jun 2006) $
31 */
32 public class ComponentContextInterceptor implements Interceptor {
33 private final Interceptor next;
34 private final Context compContext;
35
36 /**
37 * Constructor specifying the components JNDI Context (java:comp)
38 * @param compContext the component's JNDI Context
39 */
40 public ComponentContextInterceptor(Interceptor next, Context compContext) {
41 assert next != null;
42 assert compContext != null;
43 this.next = next;
44 this.compContext = compContext;
45 }
46
47 public InvocationResult invoke(Invocation invocation) throws Throwable {
48 Context oldContext = RootContext.getComponentContext();
49 try {
50 RootContext.setComponentContext(compContext);
51 return next.invoke(invocation);
52 } finally {
53 RootContext.setComponentContext(oldContext);
54 }
55 }
56 }