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: NamedStaticReportDataFactory.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 */ 031 032 package org.jfree.report.modules.data.beans; 033 034 import java.util.HashMap; 035 036 import org.jfree.report.DataSet; 037 import org.jfree.report.ReportData; 038 import org.jfree.report.ReportDataFactoryException; 039 import org.jfree.resourceloader.ResourceKey; 040 041 /** 042 * Creation-Date: Jan 12, 2007, 2:16:00 PM 043 * 044 * @author Thomas Morgner 045 */ 046 public class NamedStaticReportDataFactory extends StaticReportDataFactory 047 { 048 private ResourceKey contentBase; 049 private HashMap querymappings; 050 051 public NamedStaticReportDataFactory() 052 { 053 querymappings = new HashMap(); 054 } 055 056 public void setQuery(final String name, final String queryString) 057 { 058 if (queryString == null) 059 { 060 querymappings.remove(name); 061 } 062 else 063 { 064 querymappings.put(name, queryString); 065 } 066 } 067 068 /** 069 * Queries a datasource. The string 'query' defines the name of the query. The 070 * Parameterset given here may contain more data than actually needed. 071 * <p/> 072 * The dataset may change between two calls, do not assume anything! 073 * 074 * @param query 075 * @param parameters 076 * @return 077 */ 078 public ReportData queryData(final String query, final DataSet parameters) 079 throws ReportDataFactoryException 080 { 081 if (query == null) 082 { 083 throw new NullPointerException("Query is null."); 084 } 085 final String realQuery = getQuery(query); 086 if (realQuery == null) 087 { 088 throw new ReportDataFactoryException("Query '" + query + "' is not recognized."); 089 } 090 return super.queryData(realQuery, parameters); 091 } 092 093 public String getQuery(final String name) 094 { 095 return (String) querymappings.get(name); 096 } 097 098 public String[] getQueryNames() 099 { 100 return (String[]) querymappings.keySet().toArray( 101 new String[querymappings.size()]); 102 } 103 104 public ResourceKey getContentBase() 105 { 106 return contentBase; 107 } 108 109 public void setContentBase(final ResourceKey contentBase) 110 { 111 this.contentBase = contentBase; 112 } 113 }