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1   /*
2    * Copyright 2017 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.openehealth.ipf.commons.audit.event;
18  
19  import org.openehealth.ipf.commons.audit.model.AuditMessage;
20  
21  import static java.util.Objects.requireNonNull;
22  
23  /**
24   * AuditMessageBuilder that wraps a DICOM {@link BaseAuditMessageBuilder} or a subclass thereof.
25   * The intention is that subclasses provide their interaction-specific API for building audit
26   * messages that is more closely aligned (in terms of wording) with what is specified in DICOM.
27   *
28   * @author Christian Ohr
29   * @since 3.5
30   */
31  public abstract class DelegatingAuditMessageBuilder<T extends DelegatingAuditMessageBuilder<T, D>, D extends BaseAuditMessageBuilder<D>> implements AuditMessageBuilder<T> {
32  
33      protected final D delegate;
34  
35      public DelegatingAuditMessageBuilder(D delegate) {
36          this.delegate = requireNonNull(delegate);
37      }
38  
39      @Override
40      public AuditMessage getMessage() {
41          return delegate.getMessage();
42      }
43  
44      @Override
45      public void validate() {
46          delegate.validate();
47      }
48  
49  }