1 /*
2 * Copyright 2005-2011 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.test.support.matcher;
18
19 import java.io.IOException;
20
21 import org.springframework.ws.WebServiceMessage;
22
23 import org.custommonkey.xmlunit.Diff;
24 import org.custommonkey.xmlunit.XMLUnit;
25
26 import static org.springframework.ws.test.support.AssertionErrors.assertTrue;
27
28 /**
29 * Implementation of {@link WebServiceMessageMatcher} based on XMLUnit's {@link Diff}.
30 *
31 * @author Arjen Poutsma
32 * @since 2.0
33 */
34 public abstract class DiffMatcher implements WebServiceMessageMatcher {
35
36 static {
37 XMLUnit.setIgnoreWhitespace(true);
38 }
39
40 public final void match(WebServiceMessage message) throws IOException, AssertionError {
41 Diff diff = createDiff(message);
42 assertTrue("Messages are different, " + diff.toString(), diff.similar(), "Payload", message.getPayloadSource());
43 }
44
45 /**
46 * Creates a {@link Diff} for the given message.
47 *
48 * @param message the message
49 * @return the diff
50 * @throws Exception in case of errors
51 */
52 protected abstract Diff createDiff(WebServiceMessage message);
53
54 }