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1   /*
2    * The contents of this file are subject to the terms of the Common Development and
3    * Distribution License (the License). You may not use this file except in compliance with the
4    * License.
5    *
6    * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
7    * specific language governing permission and limitations under the License.
8    *
9    * When distributing Covered Software, include this CDDL Header Notice in each file and include
10   * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
11   * Header, with the fields enclosed by brackets [] replaced by your own identifying
12   * information: "Portions copyright [year] [name of copyright owner]".
13   *
14   * Copyright 2015 ForgeRock AS.
15   */
16  package org.forgerock.audit.handlers.csv;
17  
18  import java.io.IOException;
19  import java.io.Writer;
20  
21  import org.forgerock.audit.rotation.RotationContext;
22  import org.forgerock.audit.rotation.RotationHooks;
23  
24  /**
25   * Creates a {@link RotationHooks} for super csv.
26   */
27  class CsvRotationHooks implements RotationHooks {
28  
29      private final String[] headers;
30      private final CsvFormatter formatter;
31  
32      public CsvRotationHooks(final CsvFormatter formatter, final String... headers) {
33          this.formatter = formatter;
34          this.headers = headers;
35      }
36  
37      @Override
38      public void postRotationAction(RotationContext context) throws IOException {
39          Writer writer = context.getWriter();
40          writer.write(formatter.formatHeader(headers));
41          // In case of low traffic we still want the headers to be written into the file
42          writer.flush();
43      }
44  
45      @Override
46      public void preRotationAction(RotationContext context) throws IOException {
47          // do nothing
48      }
49  }