/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.extensions.datasources.cda.parser;
import org.pentaho.reporting.engine.classic.core.DataFactory;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.DataFactoryReadHandler;
import org.pentaho.reporting.engine.classic.extensions.datasources.cda.CdaDataFactory;
import org.pentaho.reporting.engine.classic.extensions.datasources.cda.CdaQueryEntry;
import org.pentaho.reporting.libraries.xmlns.parser.AbstractXmlReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.ParseException;
import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import java.util.ArrayList;
public class CdaDataSourceReadHandler extends AbstractXmlReadHandler implements DataFactoryReadHandler {
private ConfigReadHandler configReadHandler;
private ArrayList<XmlReadHandler> queries;
private CdaDataFactory dataFactory;
public CdaDataSourceReadHandler() {
queries = new ArrayList<XmlReadHandler>();
}
/**
* Returns the handler for a child element.
*
* @param uri the URI of the namespace of the current element.
* @param tagName the tag name.
* @param atts the attributes.
* @return the handler or null, if the tagname is invalid.
* @throws SAXException if there is a parsing error.
*/
protected XmlReadHandler getHandlerForChild( final String uri,
final String tagName,
final Attributes atts ) throws SAXException {
if ( isSameNamespace( uri ) == false ) {
return null;
}
if ( "config".equals( tagName ) ) {
configReadHandler = new ConfigReadHandler();
return configReadHandler;
}
if ( "query".equals( tagName ) ) {
final QueryReadHandler readHandler = new QueryReadHandler();
queries.add( readHandler );
return readHandler;
}
return null;
}
/**
* Done parsing.
*
* @throws SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException {
final CdaDataFactory srdf = new CdaDataFactory();
if ( configReadHandler == null ) {
throw new ParseException( "Required element 'config' is missing.", getLocator() );
}
srdf.setBaseUrl( configReadHandler.getBaseUrl() );
srdf.setBaseUrlField( configReadHandler.getBaseUrlField() );
srdf.setFile( configReadHandler.getFile() );
srdf.setPath( configReadHandler.getPath() );
srdf.setSolution( configReadHandler.getSolution() );
srdf.setUsername( configReadHandler.getUsername() );
srdf.setPassword( configReadHandler.getPassword() );
srdf.setUseLocalCall( configReadHandler.isUseLocalCall() );
srdf.setSugarMode( configReadHandler.isSugarMode() );
for ( int i = 0; i < queries.size(); i++ ) {
final QueryReadHandler handler = (QueryReadHandler) queries.get( i );
final CdaQueryEntry cdaqueryentry = new CdaQueryEntry( handler.getQueryName(), handler.getQueryId() );
cdaqueryentry.setParameters( handler.getParameters() );
srdf.setQueryEntry( handler.getQueryName(), cdaqueryentry );
}
dataFactory = srdf;
}
/**
* Returns the object for this element or null, if this element does not create an object.
*
* @return the object.
* @throws SAXException if an parser error occured.
*/
public Object getObject() throws SAXException {
return dataFactory;
}
public DataFactory getDataFactory() {
return dataFactory;
}
}