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: DriverConnectionReadHandler.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 package org.jfree.report.modules.factories.data.sql; 032 033 import java.util.Iterator; 034 import java.util.Map; 035 import java.util.Properties; 036 037 import org.jfree.report.modules.data.sql.DriverConnectionProvider; 038 import org.jfree.report.modules.data.sql.ConnectionProvider; 039 import org.jfree.xmlns.parser.AbstractXmlReadHandler; 040 import org.jfree.xmlns.parser.PropertiesReadHandler; 041 import org.jfree.xmlns.parser.StringReadHandler; 042 import org.jfree.xmlns.parser.XmlReadHandler; 043 import org.xml.sax.Attributes; 044 import org.xml.sax.SAXException; 045 046 /** 047 * Creation-Date: 07.04.2006, 18:09:25 048 * 049 * @author Thomas Morgner 050 */ 051 public class DriverConnectionReadHandler extends AbstractXmlReadHandler 052 implements ConnectionReadHandler 053 { 054 private StringReadHandler driverReadHandler; 055 private StringReadHandler urlReadHandler; 056 private PropertiesReadHandler propertiesReadHandler; 057 private ConnectionProvider driverConnectionProvider; 058 059 public DriverConnectionReadHandler() 060 { 061 } 062 063 /** 064 * Returns the handler for a child element. 065 * 066 * @param tagName the tag name. 067 * @param atts the attributes. 068 * @return the handler or null, if the tagname is invalid. 069 * @throws SAXException if there is a parsing error. 070 * @throws XmlReaderException if there is a reader error. 071 */ 072 protected XmlReadHandler getHandlerForChild(final String uri, 073 final String tagName, 074 final Attributes atts) 075 throws SAXException 076 { 077 if (isSameNamespace(uri) == false) 078 { 079 return null; 080 } 081 if ("driver".equals(tagName)) 082 { 083 driverReadHandler = new StringReadHandler(); 084 return driverReadHandler; 085 } 086 if ("url".equals(tagName)) 087 { 088 urlReadHandler = new StringReadHandler(); 089 return urlReadHandler; 090 } 091 if ("properties".equals(tagName)) 092 { 093 propertiesReadHandler = new PropertiesReadHandler(); 094 return propertiesReadHandler; 095 } 096 return null; 097 } 098 099 /** 100 * Done parsing. 101 * 102 * @throws SAXException if there is a parsing error. 103 * @throws XmlReaderException if there is a reader error. 104 */ 105 protected void doneParsing() throws SAXException 106 { 107 final DriverConnectionProvider provider = new DriverConnectionProvider(); 108 if (driverReadHandler != null) 109 { 110 provider.setDriver(driverReadHandler.getResult()); 111 } 112 if (urlReadHandler != null) 113 { 114 provider.setUrl(urlReadHandler.getResult()); 115 } 116 if (propertiesReadHandler != null) 117 { 118 final Properties p = (Properties) propertiesReadHandler.getObject(); 119 final Iterator it = p.entrySet().iterator(); 120 while (it.hasNext()) 121 { 122 final Map.Entry entry = (Map.Entry) it.next(); 123 provider.setProperty((String) entry.getKey(), (String) entry.getValue()); 124 } 125 } 126 driverConnectionProvider = provider; 127 } 128 129 /** 130 * Returns the object for this element or null, if this element does not 131 * create an object. 132 * 133 * @return the object. 134 * @throws XmlReaderException if there is a parsing error. 135 */ 136 public Object getObject() throws SAXException 137 { 138 return driverConnectionProvider; 139 } 140 141 public ConnectionProvider getProvider() 142 { 143 return driverConnectionProvider; 144 } 145 }