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1: /** 2: * ======================================== 3: * JFreeReport : a free Java report library 4: * ======================================== 5: * 6: * Project Info: http://reporting.pentaho.org/ 7: * 8: * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors. 9: * 10: * This library is free software; you can redistribute it and/or modify it under the terms 11: * of the GNU Lesser General Public License as published by the Free Software Foundation; 12: * either version 2.1 of the License, or (at your option) any later version. 13: * 14: * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; 15: * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 16: * See the GNU Lesser General Public License for more details. 17: * 18: * You should have received a copy of the GNU Lesser General Public License along with this 19: * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, 20: * Boston, MA 02111-1307, USA. 21: * 22: * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 23: * in the United States and other countries.] 24: * 25: * ------------ 26: * $Id: SinglePassReportProcessor.java 3525 2007-10-16 11:43:48Z tmorgner $ 27: * ------------ 28: * (C) Copyright 2000-2005, by Object Refinery Limited. 29: * (C) Copyright 2005-2007, by Pentaho Corporation. 30: */ 31: package org.jfree.report.flow; 32: 33: import org.jfree.report.DataSourceException; 34: import org.jfree.report.ReportDataFactoryException; 35: import org.jfree.report.ReportProcessingException; 36: 37: /** 38: * The abstract report processor implements a single-pass report processing 39: * schema. This is suitable for most raw exports and the streaming-liblayout 40: * export. 41: * 42: * @author Thomas Morgner 43: */ 44: public abstract class SinglePassReportProcessor extends AbstractReportProcessor 45: { 46: public SinglePassReportProcessor() 47: { 48: } 49: 50: protected abstract ReportTarget createReportTarget (ReportJob job) 51: throws ReportProcessingException; 52: 53: /** 54: * Bootstraps the local report processing. This way of executing the report 55: * must be supported by *all* report processor implementations. It should 56: * fully process the complete report. 57: * 58: * @param job 59: * @throws ReportDataFactoryException 60: */ 61: public void processReport (final ReportJob job) 62: throws ReportDataFactoryException, 63: DataSourceException, ReportProcessingException 64: { 65: processReportRun(job, createReportTarget(job)); 66: } 67: }