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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: StaticDataSourceReadHandler.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.factories.data.beans; 33: 34: import java.util.ArrayList; 35: 36: import org.jfree.xmlns.parser.AbstractXmlReadHandler; 37: import org.jfree.xmlns.parser.PropertyReadHandler; 38: import org.jfree.xmlns.parser.XmlReadHandler; 39: import org.jfree.report.modules.factories.data.base.DataFactoryReadHandler; 40: import org.jfree.report.modules.data.beans.NamedStaticReportDataFactory; 41: import org.jfree.report.ReportDataFactory; 42: import org.xml.sax.Attributes; 43: import org.xml.sax.SAXException; 44: 45: /** 46: * Creation-Date: 07.04.2006, 17:47:53 47: * 48: * @author Thomas Morgner 49: */ 50: public class StaticDataSourceReadHandler extends AbstractXmlReadHandler 51: implements DataFactoryReadHandler 52: { 53: private ArrayList queries; 54: private ReportDataFactory dataFactory; 55: 56: public StaticDataSourceReadHandler() 57: { 58: queries = new ArrayList(); 59: } 60: 61: /** 62: * Returns the handler for a child element. 63: * 64: * @param tagName the tag name. 65: * @param atts the attributes. 66: * @return the handler or null, if the tagname is invalid. 67: * @throws org.xml.sax.SAXException if there is a parsing error. 68: * @throws XmlReaderException if there is a reader error. 69: */ 70: protected XmlReadHandler getHandlerForChild(final String uri, 71: final String tagName, 72: final Attributes atts) 73: throws SAXException 74: { 75: if (isSameNamespace(uri) == false) 76: { 77: return null; 78: } 79: 80: if ("query".equals(tagName)) 81: { 82: final XmlReadHandler queryReadHandler = new PropertyReadHandler(); 83: queries.add(queryReadHandler); 84: return queryReadHandler; 85: } 86: return null; 87: } 88: 89: /** 90: * Done parsing. 91: * 92: * @throws org.xml.sax.SAXException if there is a parsing error. 93: * @throws XmlReaderException if there is a reader error. 94: */ 95: protected void doneParsing() throws SAXException 96: { 97: final NamedStaticReportDataFactory srdf = new NamedStaticReportDataFactory(); 98: for (int i = 0; i < queries.size(); i++) 99: { 100: final PropertyReadHandler handler = (PropertyReadHandler) queries.get(i); 101: srdf.setQuery(handler.getName(), handler.getResult()); 102: } 103: 104: srdf.setContentBase(getRootHandler().getSource()); 105: dataFactory = srdf; 106: } 107: 108: /** 109: * Returns the object for this element or null, if this element does not 110: * create an object. 111: * 112: * @return the object. 113: * @throws XmlReaderException if there is a parsing error. 114: */ 115: public Object getObject() throws SAXException 116: { 117: return dataFactory; 118: } 119: 120: public ReportDataFactory getDataFactory() 121: { 122: return dataFactory; 123: } 124: }