001 /**
002 * ========================================
003 * JFreeReport : a free Java report library
004 * ========================================
005 *
006 * Project Info: http://reporting.pentaho.org/
007 *
008 * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
009 *
010 * This library is free software; you can redistribute it and/or modify it under the terms
011 * of the GNU Lesser General Public License as published by the Free Software Foundation;
012 * either version 2.1 of the License, or (at your option) any later version.
013 *
014 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
015 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
016 * See the GNU Lesser General Public License for more details.
017 *
018 * You should have received a copy of the GNU Lesser General Public License along with this
019 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
020 * Boston, MA 02111-1307, USA.
021 *
022 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
023 * in the United States and other countries.]
024 *
025 * ------------
026 * $Id: HtmlFileExportTask.java,v 1.6 2007/06/10 15:54:22 taqua Exp $
027 * ------------
028 * (C) Copyright 2000-2005, by Object Refinery Limited.
029 * (C) Copyright 2005-2007, by Pentaho Corporation.
030 */
031
032 package org.jfree.report.modules.gui.swing.html;
033
034 import java.io.File;
035
036 import org.jfree.io.IOUtils;
037 import org.jfree.layouting.modules.output.html.FileSystemURLRewriter;
038 import org.jfree.layouting.modules.output.html.FlowHtmlOutputProcessor;
039 import org.jfree.layouting.modules.output.html.HtmlOutputProcessor;
040 import org.jfree.layouting.modules.output.html.HtmlPrinter;
041 import org.jfree.layouting.modules.output.html.PageableHtmlOutputProcessor;
042 import org.jfree.layouting.modules.output.html.StreamingHtmlOutputProcessor;
043 import org.jfree.report.ReportConfigurationException;
044 import org.jfree.report.flow.ReportJob;
045 import org.jfree.report.flow.streaming.StreamingReportProcessor;
046 import org.jfree.repository.ContentLocation;
047 import org.jfree.repository.DefaultNameGenerator;
048 import org.jfree.repository.file.FileRepository;
049 import org.jfree.util.Configuration;
050 import org.jfree.util.Log;
051
052 /**
053 * Creation-Date: 02.12.2006, 14:15:14
054 *
055 * @author Thomas Morgner
056 */
057 public class HtmlFileExportTask implements Runnable
058 {
059 private ReportJob job;
060 private File dataDirectory;
061 private File targetDirectory;
062 private String exportMethod;
063 private String suffix;
064 private String filename;
065 private String encoding;
066
067 public HtmlFileExportTask(final ReportJob job)
068 throws ReportConfigurationException
069 {
070 if (job == null)
071 {
072 throw new NullPointerException();
073 }
074 this.job = job;
075
076 final Configuration config = job.getConfiguration();
077 final String dataDirectoryName = config.getConfigProperty
078 ("org.jfree.report.modules.gui.common.html.file.DataDirectory");
079 final String targetFileName = config.getConfigProperty
080 ("org.jfree.report.modules.gui.common.html.file.TargetFileName");
081 exportMethod = config.getConfigProperty
082 ("org.jfree.report.modules.gui.common.html.file.ExportMethod");
083 encoding = config.getConfigProperty
084 ("org.jfree.report.modules.gui.common.html.file.Encoding", "ASCII");
085
086 final File targetFile = new File(targetFileName);
087 targetDirectory = targetFile.getParentFile();
088
089 dataDirectory = new File(targetFile, dataDirectoryName);
090 if (dataDirectory.isDirectory() == false)
091 {
092 throw new ReportConfigurationException("DataDirectory is invalid: " + dataDirectory);
093 }
094
095 suffix = IOUtils.getInstance().getFileExtension(targetFile.getName());
096 filename = IOUtils.getInstance().stripFileExtension(targetFile.getName());
097
098 if (targetFile.exists())
099 {
100 // lets try to delete it ..
101 if (targetFile.delete() == false)
102 {
103 throw new ReportConfigurationException
104 ("Target-File exists, but cannot be removed.");
105 }
106 }
107 }
108
109 /**
110 * When an object implementing interface <code>Runnable</code> is used to
111 * create a thread, starting the thread causes the object's <code>run</code>
112 * method to be called in that separately executing thread.
113 * <p/>
114 * The general contract of the method <code>run</code> is that it may take any
115 * action whatsoever.
116 *
117 * @see Thread#run()
118 */
119 public void run()
120 {
121 try
122 {
123 final FileRepository targetRepository = new FileRepository(targetDirectory);
124 final ContentLocation targetRoot = targetRepository.getRoot();
125
126 final FileRepository dataRepository = new FileRepository(dataDirectory);
127 final ContentLocation dataRoot = dataRepository.getRoot();
128
129 final StreamingReportProcessor sp = new StreamingReportProcessor();
130 final HtmlOutputProcessor outputProcessor = createOutputProcessor();
131 final HtmlPrinter printer = outputProcessor.getPrinter();
132 printer.setContentWriter(targetRoot,
133 new DefaultNameGenerator(targetRoot, filename, suffix));
134 printer.setDataWriter(dataRoot, new DefaultNameGenerator(dataRoot, "content"));
135 printer.setEncoding(encoding);
136 printer.setUrlRewriter(new FileSystemURLRewriter());
137 sp.setOutputProcessor(outputProcessor);
138 sp.processReport(job);
139 }
140 catch(Exception e)
141 {
142 Log.error ("File-Export failed. ", e);
143 }
144 finally{
145 try
146 {
147 job.close();
148 job = null;
149 }
150 catch(Exception e)
151 {
152 // ignore ..
153 }
154 }
155 }
156
157 protected HtmlOutputProcessor createOutputProcessor()
158 {
159 if ("pageable".equals(exportMethod))
160 {
161 return new PageableHtmlOutputProcessor(job.getConfiguration());
162 }
163 else if ("flow".equals(exportMethod))
164 {
165 return new FlowHtmlOutputProcessor(job.getConfiguration());
166 }
167 else
168 {
169 return new StreamingHtmlOutputProcessor(job.getConfiguration());
170 }
171 }
172
173 }