/*
* 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) 2001 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.modules.parser.bundle.layout.elements;
import org.pentaho.reporting.engine.classic.core.Band;
import org.pentaho.reporting.engine.classic.core.filter.types.bands.BandType;
import org.pentaho.reporting.engine.classic.core.metadata.ElementType;
import org.pentaho.reporting.engine.classic.core.modules.parser.bundle.BundleElementRegistry;
import org.pentaho.reporting.engine.classic.core.modules.parser.bundle.layout.ElementReadHandler;
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 BandReadHandler extends AbstractElementReadHandler {
private ArrayList<ElementReadHandler> elementHandlers;
protected BandReadHandler( final ElementType elementType ) throws ParseException {
this( elementType, true );
}
protected BandReadHandler( final ElementType elementType, final boolean autoCreate ) throws ParseException {
elementHandlers = new ArrayList<ElementReadHandler>();
if ( autoCreate ) {
initialize( elementType );
}
}
public BandReadHandler() throws ParseException {
this( BandType.INSTANCE );
}
/**
* 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 {
final ElementReadHandler handler = BundleElementRegistry.getInstance().getReadHandler( uri, tagName, getLocator() );
if ( handler != null ) {
elementHandlers.add( handler );
return handler;
}
return super.getHandlerForChild( uri, tagName, atts );
}
/**
* Done parsing.
*
* @throws SAXException
* if there is a parsing error.
*/
protected void doneParsing() throws SAXException {
super.doneParsing();
final Band band = getElement();
for ( int i = 0; i < elementHandlers.size(); i++ ) {
final ElementReadHandler readHandler = elementHandlers.get( i );
band.addElement( readHandler.getElement() );
}
}
public Band getElement() {
return (Band) super.getElement();
}
}