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