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

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1 /*
2 * Copyright (c) 1997, 2013, 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 com.oracle.webservices.internal.api.databinding.JavaCallInfo;
29 import com.sun.xml.internal.ws.api.message.Message;
30 import com.sun.xml.internal.ws.api.message.Packet;
31 import com.sun.xml.internal.ws.client.RequestContext;
32 import com.sun.xml.internal.ws.client.ResponseContextReceiver;
33 import com.sun.xml.internal.ws.encoding.soap.DeserializationException;
34 import com.sun.xml.internal.ws.message.jaxb.JAXBMessage;
35 import com.sun.xml.internal.ws.model.JavaMethodImpl;
36 import com.sun.xml.internal.ws.resources.DispatchMessages;
37
38 import javax.xml.bind.JAXBException;
39 import javax.xml.stream.XMLStreamException;
40 import javax.xml.ws.Holder;
41 import javax.xml.ws.WebServiceException;
42
43 import java.lang.reflect.Method;
44
45 /**
46 * {@link MethodHandler} that handles synchronous method invocations.
47 *
48 * <p>
49 * This class mainly performs the following two tasks:
50 * <ol>
51 * <li>Accepts Object[] that represents arguments for a Java method,
52 * and creates {@link JAXBMessage} that represents a request message.
53 * <li>Takes a {@link Message] that represents a response,
54 * and extracts the return value (and updates {@link Holder}s.)
55 * </ol>
56 *
57 * <h2>Creating {@link JAXBMessage}</h2>
58 * <p>
59 * At the construction time, we prepare {@link BodyBuilder} and {@link MessageFiller}s
60 * that know how to move arguments into a {@link Message}.
61 * Some arguments go to the payload, some go to headers, still others go to attachments.
62 *
63 * @author Kohsuke Kawaguchi
64 */
65 final class SyncMethodHandler extends MethodHandler {
66 final boolean isVoid;
67 final boolean isOneway;
68 final JavaMethodImpl javaMethod;
69 SyncMethodHandler(SEIStub owner, JavaMethodImpl jm) {
70 super(owner, jm.getMethod());
71 javaMethod = jm;
72 isVoid = void.class.equals(jm.getMethod().getReturnType());
73 isOneway = jm.getMEP().isOneWay();
74 }
75
76 Object invoke(Object proxy, Object[] args) throws Throwable {
77 return invoke(proxy,args,owner.requestContext,owner);
78 }
79
80 /**
81 * Invokes synchronously, but with the given {@link RequestContext}
82 * and {@link ResponseContextReceiver}.
83 *
84 * @param rc
85 * This {@link RequestContext} is used for invoking this method.
86 * We take this as a separate parameter because of the async invocation
87 * handling, which requires a separate copy.
88 */
89 Object invoke(Object proxy, Object[] args, RequestContext rc, ResponseContextReceiver receiver) throws Throwable {
90 JavaCallInfo call = owner.databinding.createJavaCallInfo(method, args);
91 Packet req = (Packet) owner.databinding.serializeRequest(call);
92 // process the message
93 Packet reply = owner.doProcess(req,rc,receiver);
94
95 Message msg = reply.getMessage();
96 if(msg == null) {
97 if (!isOneway || !isVoid) {
98 throw new WebServiceException(DispatchMessages.INVALID_RESPONSE());
99 }
100 return null;
101 }
102
103 try {
104 call = owner.databinding.deserializeResponse(reply, call);
105 if (call.getException() != null) {
106 throw call.getException();
107 } else {
108 return call.getReturnValue();
109 }
110 } catch (JAXBException e) {
111 throw new DeserializationException(DispatchMessages.INVALID_RESPONSE_DESERIALIZATION(), e);
112 } catch (XMLStreamException e) {
113 throw new DeserializationException(DispatchMessages.INVALID_RESPONSE_DESERIALIZATION(),e);
114 } finally {
115 if (reply.transportBackChannel != null)
116 reply.transportBackChannel.close();
117 }
118 }
119
120 ValueGetterFactory getValueGetterFactory() {
121 return ValueGetterFactory.SYNC;
122 }
123
124 }

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