1   /*
2    * Copyright 2006 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.interceptor;
18  
19  import javax.xml.soap.MessageFactory;
20  import javax.xml.soap.SOAPMessage;
21  import javax.xml.transform.Transformer;
22  import javax.xml.transform.TransformerFactory;
23  import javax.xml.transform.sax.SAXSource;
24  
25  import org.custommonkey.xmlunit.XMLTestCase;
26  import org.custommonkey.xmlunit.XMLUnit;
27  
28  import org.springframework.core.io.ClassPathResource;
29  import org.springframework.core.io.Resource;
30  import org.springframework.ws.MockWebServiceMessage;
31  import org.springframework.ws.MockWebServiceMessageFactory;
32  import org.springframework.ws.context.DefaultMessageContext;
33  import org.springframework.ws.context.MessageContext;
34  import org.springframework.ws.pox.dom.DomPoxMessage;
35  import org.springframework.ws.pox.dom.DomPoxMessageFactory;
36  import org.springframework.ws.soap.saaj.SaajSoapMessage;
37  import org.springframework.ws.soap.saaj.SaajSoapMessageFactory;
38  import org.springframework.xml.sax.SaxUtils;
39  import org.springframework.xml.transform.ResourceSource;
40  import org.springframework.xml.transform.StringResult;
41  
42  public class PayloadTransformingInterceptorTest extends XMLTestCase {
43  
44      private PayloadTransformingInterceptor interceptor;
45  
46      private Transformer transformer;
47  
48      private Resource input;
49  
50      private Resource output;
51  
52      private Resource xslt;
53  
54      protected void setUp() throws Exception {
55          interceptor = new PayloadTransformingInterceptor();
56          TransformerFactory transformerFactory = TransformerFactory.newInstance();
57          transformer = transformerFactory.newTransformer();
58          input = new ClassPathResource("transformInput.xml", getClass());
59          output = new ClassPathResource("transformOutput.xml", getClass());
60          xslt = new ClassPathResource("transformation.xslt", getClass());
61          XMLUnit.setIgnoreWhitespace(true);
62      }
63  
64      public void testHandleRequest() throws Exception {
65          interceptor.setRequestXslt(xslt);
66          interceptor.afterPropertiesSet();
67          MockWebServiceMessage request = new MockWebServiceMessage(input);
68          MessageContext context = new DefaultMessageContext(request, new MockWebServiceMessageFactory());
69  
70          boolean result = interceptor.handleRequest(context, null);
71          assertTrue("Invalid interceptor result", result);
72          StringResult expected = new StringResult();
73          transformer.transform(new SAXSource(SaxUtils.createInputSource(output)), expected);
74          assertXMLEqual(expected.toString(), request.getPayloadAsString());
75      }
76  
77      public void testHandleRequestNoXslt() throws Exception {
78          interceptor.setResponseXslt(xslt);
79          interceptor.afterPropertiesSet();
80          MockWebServiceMessage request = new MockWebServiceMessage(input);
81          MessageContext context = new DefaultMessageContext(request, new MockWebServiceMessageFactory());
82  
83          boolean result = interceptor.handleRequest(context, null);
84          assertTrue("Invalid interceptor result", result);
85          StringResult expected = new StringResult();
86          transformer.transform(new SAXSource(SaxUtils.createInputSource(input)), expected);
87          assertXMLEqual(expected.toString(), request.getPayloadAsString());
88      }
89  
90      public void testHandleResponse() throws Exception {
91          interceptor.setResponseXslt(xslt);
92          interceptor.afterPropertiesSet();
93          MockWebServiceMessage request = new MockWebServiceMessage(input);
94          MessageContext context = new DefaultMessageContext(request, new MockWebServiceMessageFactory());
95          MockWebServiceMessage response = (MockWebServiceMessage) context.getResponse();
96          response.setPayload(input);
97  
98          boolean result = interceptor.handleResponse(context, null);
99          assertTrue("Invalid interceptor result", result);
100         StringResult expected = new StringResult();
101         transformer.transform(new SAXSource(SaxUtils.createInputSource(output)), expected);
102         assertXMLEqual(expected.toString(), response.getPayloadAsString());
103     }
104 
105     public void testHandleResponseNoXslt() throws Exception {
106         interceptor.setRequestXslt(xslt);
107         interceptor.afterPropertiesSet();
108         MockWebServiceMessage request = new MockWebServiceMessage(input);
109         MessageContext context = new DefaultMessageContext(request, new MockWebServiceMessageFactory());
110         MockWebServiceMessage response = (MockWebServiceMessage) context.getResponse();
111         response.setPayload(input);
112 
113         boolean result = interceptor.handleResponse(context, null);
114         assertTrue("Invalid interceptor result", result);
115         StringResult expected = new StringResult();
116         transformer.transform(new SAXSource(SaxUtils.createInputSource(input)), expected);
117         assertXMLEqual(expected.toString(), response.getPayloadAsString());
118     }
119 
120     public void testSaaj() throws Exception {
121         interceptor.setRequestXslt(xslt);
122         interceptor.afterPropertiesSet();
123         MessageFactory messageFactory = MessageFactory.newInstance();
124         SOAPMessage saajMessage = messageFactory.createMessage();
125         SaajSoapMessage message = new SaajSoapMessage(saajMessage);
126         transformer.transform(new ResourceSource(input), message.getPayloadResult());
127         MessageContext context = new DefaultMessageContext(message, new SaajSoapMessageFactory(messageFactory));
128 
129         assertTrue("Invalid interceptor result", interceptor.handleRequest(context, null));
130         StringResult expected = new StringResult();
131         transformer.transform(new SAXSource(SaxUtils.createInputSource(output)), expected);
132         StringResult result = new StringResult();
133         transformer.transform(message.getPayloadSource(), result);
134         assertXMLEqual(expected.toString(), result.toString());
135 
136     }
137 
138     public void testPox() throws Exception {
139         interceptor.setRequestXslt(xslt);
140         interceptor.afterPropertiesSet();
141         DomPoxMessageFactory factory = new DomPoxMessageFactory();
142         DomPoxMessage message = (DomPoxMessage) factory.createWebServiceMessage();
143         transformer.transform(new ResourceSource(input), message.getPayloadResult());
144         MessageContext context = new DefaultMessageContext(message, factory);
145 
146         assertTrue("Invalid interceptor result", interceptor.handleRequest(context, null));
147         StringResult expected = new StringResult();
148         transformer.transform(new SAXSource(SaxUtils.createInputSource(output)), expected);
149         StringResult result = new StringResult();
150         transformer.transform(message.getPayloadSource(), result);
151         assertXMLEqual(expected.toString(), result.toString());
152 
153     }
154 
155     public void testNoStylesheetsSet() throws Exception {
156         try {
157             interceptor.afterPropertiesSet();
158             fail("Should have thrown an Exception");
159         }
160         catch (IllegalArgumentException ex) {
161         }
162     }
163 }