01: /**
02: * EasyBeans
03: * Copyright (C) 2006 Bull S.A.S.
04: * Contact: easybeans@ow2.org
05: *
06: * This library is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * version 2.1 of the License, or any later version.
10: *
11: * This library is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public
17: * License along with this library; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19: * USA
20: *
21: * --------------------------------------------------------------------------
22: * $Id: EJBHomeCallFactory.java 2010 2007-10-26 13:19:08Z benoitf $
23: * --------------------------------------------------------------------------
24: */package org.ow2.easybeans.proxy.factory;
25:
26: import java.util.Hashtable;
27:
28: import javax.naming.Context;
29: import javax.naming.Name;
30: import javax.naming.RefAddr;
31: import javax.naming.Reference;
32:
33: import org.ow2.easybeans.proxy.client.ClientRPCInvocationHandler;
34: import org.ow2.easybeans.proxy.client.EJBHomeRPCInvocationHandler;
35: import org.ow2.easybeans.proxy.reference.EJBHomeCallRef;
36:
37: /**
38: * Factory creating an EJB Remote Home proxy for remote calls.
39: * @author Florent Benoit.
40: */
41: public class EJBHomeCallFactory extends RemoteCallFactory {
42:
43: /**
44: * Name of the remote interface.
45: */
46: private String remoteInterface = null;
47:
48: /**
49: * @return an instance of a proxy (an EJB) that handle local calls.
50: * @param obj the reference containing data to build instance
51: * @param name Name of context, relative to ctx, or null.
52: * @param nameCtx Context relative to which 'name' is named.
53: * @param environment Environment to use when creating the context *
54: * @throws Exception if this object factory encountered an exception while
55: * attempting to create an object, and no other object factories are
56: * to be tried.
57: */
58: @Override
59: public Object getObjectInstance(final Object obj, final Name name,
60: final Context nameCtx, final Hashtable<?, ?> environment)
61: throws Exception {
62: if (obj instanceof Reference) {
63: Reference ref = (Reference) obj;
64:
65: // get the properties
66: RefAddr remoteInterfaceAddr = ref
67: .get(EJBHomeCallRef.REMOTE_INTERFACE);
68: remoteInterface = (String) remoteInterfaceAddr.getContent();
69: }
70:
71: // Now call the super method.
72: return super .getObjectInstance(obj, name, nameCtx, environment);
73: }
74:
75: /**
76: * Build an instance of a remote RPC handler. Can be used by subclasses to change the object.
77: * @param containerID the id of the container that will be called on the
78: * remote side.
79: * @param factoryName the name of the remote factory.
80: * @param useID true if all instance build with this ref are unique
81: * (stateful), false if it references the same object (stateless)
82: * @return an instance of a remote handler.
83: */
84: @Override
85: protected ClientRPCInvocationHandler buildRemoteHandler(
86: final String containerID, final String factoryName,
87: final boolean useID) {
88: return new EJBHomeRPCInvocationHandler(containerID,
89: factoryName, useID, remoteInterface);
90: }
91: }
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