src/share/jaxws_classes/com/sun/xml/internal/ws/client/sei/MethodHandler.java

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1 /*
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.xml.internal.ws.client.sei;
27
28 import java.lang.reflect.Method;
29
30 import javax.xml.namespace.QName;
31 import javax.xml.ws.WebServiceException;
32
33 import com.sun.xml.internal.ws.api.databinding.ClientCallBridge;
34
35 /**
36 * Handles an invocation of a method.
37 *
38 * <p>
39 * Each instance of {@link MethodHandler} has an implicit knowledge of
40 * a particular method that it handles.
41 *
42 * @author Kohsuke Kawaguchi
43 */
44 public abstract class MethodHandler {
45
46 protected final SEIStub owner;
47 protected Method method;
48
49 protected MethodHandler(SEIStub owner, Method m) {
50 this.owner = owner;
51 method = m;
52 }
53
54 /**
55 * Performs the method invocation.
56 *
57 * @param proxy
58 * The proxy object exposed to the user. Must not be null.
59 * @param args
60 * The method invocation arguments. To handle asynchroonus method invocations
61 * without array reallocation, this aray is allowed to be longer than the
62 * actual number of arguments to the method. Additional array space should be
63 * simply ignored.
64 * @return
65 * a return value from the method invocation. may be null.
66 *
67 * @throws WebServiceException
68 * If used on the client side, a {@link WebServiceException} signals an error
69 * during the service invocation.
70 * @throws Throwable
71 * some faults are reported in terms of checked exceptions.
72 */
73 abstract Object invoke(Object proxy, Object[] args) throws WebServiceException, Throwable;
74 }

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