1 /*
2 * Copyright 2005-2010 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.springframework.ws.server.endpoint.adapter;
18
19 import java.lang.reflect.Method;
20
21 import org.springframework.oxm.GenericMarshaller;
22 import org.springframework.oxm.GenericUnmarshaller;
23 import org.springframework.oxm.Marshaller;
24 import org.springframework.oxm.Unmarshaller;
25 import org.springframework.oxm.jaxb.Jaxb2Marshaller;
26 import org.springframework.ws.server.endpoint.MethodEndpoint;
27
28 /**
29 * Subclass of {@link MarshallingMethodEndpointAdapter} that supports {@link GenericMarshaller} and {@link
30 * GenericUnmarshaller}. More specifically, this adapter is aware of the {@link Method#getGenericParameterTypes()} and
31 * {@link Method#getGenericReturnType()}.
32 * <p/>
33 * Prefer to use this adapter rather than the plain {@link MarshallingMethodEndpointAdapter} in combination with Java 5
34 * marshallers, such as the {@link Jaxb2Marshaller}.
35 *
36 * @author Arjen Poutsma
37 * @since 1.0.2
38 * @deprecated as of Spring Web Services 2.0, in favor of {@link DefaultMethodEndpointAdapter} and {@link
39 * org.springframework.ws.server.endpoint.adapter.method.MarshallingPayloadMethodProcessor
40 * MarshallingPayloadMethodProcessor}.
41 */
42 @Deprecated
43 public class GenericMarshallingMethodEndpointAdapter extends MarshallingMethodEndpointAdapter {
44
45 /**
46 * Creates a new <code>GenericMarshallingMethodEndpointAdapter</code>. The {@link Marshaller} and {@link
47 * Unmarshaller} must be injected using properties.
48 *
49 * @see #setMarshaller(org.springframework.oxm.Marshaller)
50 * @see #setUnmarshaller(org.springframework.oxm.Unmarshaller)
51 */
52 public GenericMarshallingMethodEndpointAdapter() {
53 }
54
55 /**
56 * Creates a new <code>GenericMarshallingMethodEndpointAdapter</code> with the given marshaller. If the given {@link
57 * Marshaller} also implements the {@link Unmarshaller} interface, it is used for both marshalling and
58 * unmarshalling. Otherwise, an exception is thrown.
59 * <p/>
60 * Note that all {@link Marshaller} implementations in Spring-WS also implement the {@link Unmarshaller} interface,
61 * so that you can safely use this constructor.
62 *
63 * @param marshaller object used as marshaller and unmarshaller
64 * @throws IllegalArgumentException when <code>marshaller</code> does not implement the {@link Unmarshaller}
65 * interface
66 */
67 public GenericMarshallingMethodEndpointAdapter(Marshaller marshaller) {
68 super(marshaller);
69 }
70
71 /**
72 * Creates a new <code>GenericMarshallingMethodEndpointAdapter</code> with the given marshaller and unmarshaller.
73 *
74 * @param marshaller the marshaller to use
75 * @param unmarshaller the unmarshaller to use
76 */
77 public GenericMarshallingMethodEndpointAdapter(Marshaller marshaller, Unmarshaller unmarshaller) {
78 super(marshaller, unmarshaller);
79 }
80
81 @Override
82 protected boolean supportsInternal(MethodEndpoint methodEndpoint) {
83 Method method = methodEndpoint.getMethod();
84 return supportsReturnType(method) && supportsParameters(method);
85 }
86
87 private boolean supportsReturnType(Method method) {
88 if (Void.TYPE.equals(method.getReturnType())) {
89 return true;
90 }
91 else {
92 if (getMarshaller() instanceof GenericMarshaller) {
93 return ((GenericMarshaller) getMarshaller()).supports(method.getGenericReturnType());
94 }
95 else {
96 return getMarshaller().supports(method.getReturnType());
97 }
98 }
99 }
100
101 private boolean supportsParameters(Method method) {
102 if (method.getParameterTypes().length != 1) {
103 return false;
104 }
105 else if (getUnmarshaller() instanceof GenericUnmarshaller) {
106 GenericUnmarshaller genericUnmarshaller = (GenericUnmarshaller) getUnmarshaller();
107 return genericUnmarshaller.supports(method.getGenericParameterTypes()[0]);
108 }
109 else {
110 return getUnmarshaller().supports(method.getParameterTypes()[0]);
111 }
112 }
113 }