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Java > Open Source Codes > org > jboss > proxy > compiler > Proxy


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2005, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22 package org.jboss.proxy.compiler;
23
24 import java.io.Serializable JavaDoc;
25
26 import org.jboss.util.NestedRuntimeException;
27
28 /**
29  * A factory for creating proxy objects.
30  *
31  * @version <tt>$Revision: 37459 $</tt>
32  * @author Unknown
33  * @author <a HREF="mailto:jason@planet57.com">Jason Dillon</a>
34  */
35 public class Proxy
36 {
37    /**
38     * Create a new proxy instance.
39     *
40     * <p>Proxy instances will also implement {@link Serializable}.
41     *
42     * <p>Delegates the actual creation of the proxy to
43     * {@link Proxies#newTarget}.
44     *
45     * @param loader The class loader for the new proxy instance.
46     * @param interfaces A list of classes which the proxy will implement.
47     * @param h The handler for method invocations.
48     * @return A new proxy instance.
49     *
50     * @throws RuntimeException Failed to create new proxy target.
51     */
52    public static Object JavaDoc newProxyInstance(final ClassLoader JavaDoc loader,
53                                          final Class JavaDoc[] interfaces,
54                                          final InvocationHandler h)
55    {
56       // Make all proxy instances implement Serializable
57 Class JavaDoc[] interfaces2 = new Class JavaDoc[interfaces.length + 1];
58       System.arraycopy(interfaces, 0, interfaces2, 0, interfaces.length);
59       interfaces2[interfaces2.length - 1] = Serializable JavaDoc.class;
60
61       try {
62          // create a new proxy
63 return Proxies.newTarget(loader, h, interfaces2);
64       }
65       catch (Exception JavaDoc e) {
66          throw new NestedRuntimeException("Failed to create new proxy target", e);
67       }
68    }
69
70    public static void forgetProxyForClass(Class JavaDoc clazz)
71    {
72       Proxies.forgetProxyForClass(clazz);
73    }
74
75 }
76
77
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