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Java > Open Source Codes > org > pentaho > plugin > jfreereport > outputs > JFreeReportCSVComponent


1 /*
2  * Copyright 2006 Pentaho Corporation. All rights reserved.
3  * This software was developed by Pentaho Corporation and is provided under the terms
4  * of the Mozilla Public License, Version 1.1, or any later version. You may not use
5  * this file except in compliance with the license. If you need a copy of the license,
6  * please go to http://www.mozilla.org/MPL/MPL-1.1.txt. The Original Code is the Pentaho
7  * BI Platform. The Initial Developer is Pentaho Corporation.
8  *
9  * Software distributed under the Mozilla Public License is distributed on an "AS IS"
10  * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. Please refer to
11  * the license for the specific language governing your rights and limitations.
12  */
13 package org.pentaho.plugin.jfreereport.outputs;
14
15 import java.io.IOException JavaDoc;
16 import java.io.OutputStream JavaDoc;
17 import java.io.OutputStreamWriter JavaDoc;
18
19 import org.jfree.report.JFreeReport;
20 import org.jfree.report.ReportProcessingException;
21 import org.jfree.report.modules.output.table.csv.CSVTableProcessor;
22 import org.pentaho.plugin.jfreereport.helper.YieldReportListener;
23
24 /**
25  * Creation-Date: 07.07.2006, 20:42:17
26  *
27  * @author Thomas Morgner
28  */
29 public class JFreeReportCSVComponent extends AbstractGenerateStreamContentComponent {
30     private static final long serialVersionUID = -6277594193744555596L;
31
32     public JFreeReportCSVComponent() {
33     }
34
35     protected String JavaDoc getMimeType() {
36         return "text/csv"; //$NON-NLS-1$
37 }
38
39     protected String JavaDoc getExtension() {
40         return ".csv"; //$NON-NLS-1$
41 }
42
43     protected boolean performExport(final JFreeReport report, final OutputStream JavaDoc outputStream) {
44         try {
45             CSVTableProcessor processor = new CSVTableProcessor(report);
46             OutputStreamWriter JavaDoc writer = new OutputStreamWriter JavaDoc(outputStream);
47             processor.setWriter(writer);
48             final int yieldRate = getYieldRate();
49             if (yieldRate > 0) {
50                 processor.addRepaginationListener(new YieldReportListener(yieldRate));
51             }
52             processor.processReport();
53             writer.close();
54             return true;
55         } catch (ReportProcessingException e) {
56             return false;
57         } catch (IOException JavaDoc e) {
58             return false;
59         }
60     }
61 }
62
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