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org.apache.jetspeed.components.portletregistry.MutablePortletApplicationProxy	0%	0%

1		/*
2		* Licensed to the Apache Software Foundation (ASF) under one or more
3		* contributor license agreements. See the NOTICE file distributed with
4		* this work for additional information regarding copyright ownership.
5		* The ASF licenses this file to You under the Apache License, Version 2.0
6		* (the "License"); you may not use this file except in compliance with
7		* the License. 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"
13		* BASIS, 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		package org.apache.jetspeed.components.portletregistry;
18
19		import java.lang.reflect.InvocationHandler;
20		import java.lang.reflect.InvocationTargetException;
21		import java.lang.reflect.Method;
22		import java.lang.reflect.Proxy;
23
24		import org.apache.jetspeed.om.common.portlet.MutablePortletApplication;
25
26		public class MutablePortletApplicationProxy implements InvocationHandler, PortletApplicationProxy
27		{
28	0	private MutablePortletApplication app = null;
29		private static PortletRegistry registry;
30		private String name;
31
32		public MutablePortletApplicationProxy(MutablePortletApplication app)
33	0	{
34	0	this.app = app;
35	0	this.name = app.getName();
36	0	}
37
38		public static void setRegistry(PortletRegistry r)
39		{
40	0	registry = r;
41	0	}
42
43		public static MutablePortletApplication createProxy(
44		MutablePortletApplication app)
45		{
46	0	Class[] proxyInterfaces = new Class[]
47	0	{ MutablePortletApplication.class, PortletApplicationProxy.class};
48	0	MutablePortletApplication proxy = (MutablePortletApplication) Proxy
49		.newProxyInstance(MutablePortletApplication.class
50		.getClassLoader(), proxyInterfaces,
51		new MutablePortletApplicationProxy(app));
52	0	return proxy;
53		}
54
55		protected void invalidate()
56		{
57	0	this.app = null;
58	0	}
59
60		public void setRealApplication(MutablePortletApplication app)
61		{
62	0	this.app = app;
63	0	}
64
65		public MutablePortletApplication getRealApplication()
66		{
67	0	return app;
68		}
69
70		public Object invoke(Object proxy, Method m, Object[] args)
71		throws Throwable
72		{
73		try
74		{
75	0	if (m.getName().equals("getRealApplication"))
76		{
77	0	return getRealApplication();
78		}
79	0	else if (m.getName().equals("setRealApplication"))
80		{
81	0	setRealApplication((MutablePortletApplication)args[0]);
82	0	return null;
83		}
84		else
85		{
86	0	if (app == null)
87		{
88	0	app = registry.getPortletApplication(name);
89		}
90	0	return m.invoke(app, args);
91		}
92		}
93	0	catch (InvocationTargetException e)
94		{
95	0	throw e.getTargetException();
96		}
97		}
98
99		}

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