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1   /*
2    * Copyright 2007 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.soap.addressing.messageid;
18  
19  import java.net.URI;
20  import java.util.UUID;
21  
22  import org.springframework.ws.soap.SoapMessage;
23  
24  /**
25   * Implementation of the [email protected] MessageIdStrategy} interface that uses a [email protected] UUID} to generate a Message Id. The UUID
26   * is prefixed by <code>urn:uuid:</code>.
27   * <p/>
28   * Note that the [email protected] UUID} class is only available on Java 5 and above.
29   *
30   * @author Arjen Poutsma
31   * @since 1.5.0
32   */
33  public class UuidMessageIdStrategy implements MessageIdStrategy {
34  
35      public static final String PREFIX = "urn:uuid:";
36  
37      /** Returns <code>false</code>. */
38      public boolean isDuplicate(URI messageId) {
39          return false;
40      }
41  
42      public URI newMessageId(SoapMessage message) {
43          return URI.create(PREFIX + UUID.randomUUID().toString());
44      }
45  }