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: SinglePassReportProcessor.java 3525 2007-10-16 11:43:48Z tmorgner $ 027 * ------------ 028 * (C) Copyright 2000-2005, by Object Refinery Limited. 029 * (C) Copyright 2005-2007, by Pentaho Corporation. 030 */ 031 package org.jfree.report.flow; 032 033 import org.jfree.report.DataSourceException; 034 import org.jfree.report.ReportDataFactoryException; 035 import org.jfree.report.ReportProcessingException; 036 037 /** 038 * The abstract report processor implements a single-pass report processing 039 * schema. This is suitable for most raw exports and the streaming-liblayout 040 * export. 041 * 042 * @author Thomas Morgner 043 */ 044 public abstract class SinglePassReportProcessor extends AbstractReportProcessor 045 { 046 public SinglePassReportProcessor() 047 { 048 } 049 050 protected abstract ReportTarget createReportTarget (ReportJob job) 051 throws ReportProcessingException; 052 053 /** 054 * Bootstraps the local report processing. This way of executing the report 055 * must be supported by *all* report processor implementations. It should 056 * fully process the complete report. 057 * 058 * @param job 059 * @throws ReportDataFactoryException 060 */ 061 public void processReport (final ReportJob job) 062 throws ReportDataFactoryException, 063 DataSourceException, ReportProcessingException 064 { 065 processReportRun(job, createReportTarget(job)); 066 } 067 }