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 2890 2007-06-10 15:54:22Z taqua $ 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 }