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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: NamedStaticReportDataFactory.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: 32: package org.jfree.report.modules.data.beans; 33: 34: import java.util.HashMap; 35: 36: import org.jfree.report.DataSet; 37: import org.jfree.report.ReportData; 38: import org.jfree.report.ReportDataFactoryException; 39: import org.jfree.resourceloader.ResourceKey; 40: 41: /** 42: * Creation-Date: Jan 12, 2007, 2:16:00 PM 43: * 44: * @author Thomas Morgner 45: */ 46: public class NamedStaticReportDataFactory extends StaticReportDataFactory 47: { 48: private ResourceKey contentBase; 49: private HashMap querymappings; 50: 51: public NamedStaticReportDataFactory() 52: { 53: querymappings = new HashMap(); 54: } 55: 56: public void setQuery(final String name, final String queryString) 57: { 58: if (queryString == null) 59: { 60: querymappings.remove(name); 61: } 62: else 63: { 64: querymappings.put(name, queryString); 65: } 66: } 67: 68: /** 69: * Queries a datasource. The string 'query' defines the name of the query. The 70: * Parameterset given here may contain more data than actually needed. 71: * <p/> 72: * The dataset may change between two calls, do not assume anything! 73: * 74: * @param query 75: * @param parameters 76: * @return 77: */ 78: public ReportData queryData(final String query, final DataSet parameters) 79: throws ReportDataFactoryException 80: { 81: if (query == null) 82: { 83: throw new NullPointerException("Query is null."); 84: } 85: final String realQuery = getQuery(query); 86: if (realQuery == null) 87: { 88: throw new ReportDataFactoryException("Query '" + query + "' is not recognized."); 89: } 90: return super.queryData(realQuery, parameters); 91: } 92: 93: public String getQuery(final String name) 94: { 95: return (String) querymappings.get(name); 96: } 97: 98: public String[] getQueryNames() 99: { 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: }