/*!
* 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.drilldown.parser;
import org.pentaho.reporting.engine.classic.extensions.drilldown.DrillDownProfile;
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 DrillDownGroupReadHandler extends AbstractXmlReadHandler {
private ArrayList<DrillDownProfileReadHandler> elements;
private String groupName;
private DrillDownProfile[] result;
public DrillDownGroupReadHandler() {
elements = new ArrayList<DrillDownProfileReadHandler>();
}
/**
* Starts parsing.
*
* @param attrs the attributes.
* @throws org.xml.sax.SAXException if there is a parsing error.
*/
protected void startParsing( final Attributes attrs ) throws SAXException {
super.startParsing( attrs );
groupName = attrs.getValue( getUri(), "name" );
if ( groupName == null ) {
throw new ParseException( "Mandatory attribute 'name' is missing", getLocator() );
}
}
/**
* 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 org.xml.sax.SAXException if there is a parsing error.
*/
protected XmlReadHandler getHandlerForChild( final String uri,
final String tagName,
final Attributes atts ) throws SAXException {
if ( getUri().equals( uri ) == false ) {
return null;
}
if ( "drilldown-profile".equals( tagName ) ) {
final DrillDownProfileReadHandler readHandler = new DrillDownProfileReadHandler( groupName );
elements.add( readHandler );
return readHandler;
}
return null;
}
/**
* Done parsing.
*
* @throws org.xml.sax.SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException {
final DrillDownProfile[] result = new DrillDownProfile[ elements.size() ];
for ( int i = 0; i < elements.size(); i++ ) {
final DrillDownProfileReadHandler handler = elements.get( i );
result[ i ] = (DrillDownProfile) handler.getObject();
}
this.result = result;
}
/**
* Returns the object for this element or null, if this element does not create an object.
*
* @return the object.
* @throws org.xml.sax.SAXException if an parser error occured.
*/
public Object getObject() throws SAXException {
return result;
}
}