/*
* 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.base.common;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.PropertyAttributes;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.compat.CompatibilityMapperUtil;
import org.pentaho.reporting.engine.classic.core.util.beans.BeanException;
import org.pentaho.reporting.engine.classic.core.util.beans.BeanUtility;
import org.pentaho.reporting.libraries.base.util.ObjectUtilities;
import org.pentaho.reporting.libraries.xmlns.parser.ParseException;
import org.xml.sax.SAXException;
public class LayoutPreprocessorPropertyReadHandler extends PropertyStringReadHandler {
private BeanUtility beanUtility;
private String propertyName;
private String propertyType;
public LayoutPreprocessorPropertyReadHandler( final BeanUtility expression ) {
super();
this.beanUtility = expression;
}
/**
* Starts parsing.
*
* @param attrs
* the attributes.
* @throws SAXException
* if there is a parsing error.
*/
public void startParsing( final PropertyAttributes attrs ) throws SAXException {
super.startParsing( attrs );
propertyType = CompatibilityMapperUtil.mapClassName( attrs.getValue( getUri(), "class" ) );
propertyName = attrs.getValue( getUri(), "name" );
if ( propertyName == null ) {
throw new ParseException( "Required attribute 'name' is null.", getLocator() );
}
}
/**
* Done parsing.
*
* @throws SAXException
* if there is a parsing error.
*/
public void doneParsing() throws SAXException {
super.doneParsing();
final String result = getResult();
if ( beanUtility == null ) {
throw new SAXException( "No current beanUtility" );
}
try {
if ( propertyType != null ) {
final ClassLoader cl = ObjectUtilities.getClassLoader( ExpressionPropertyReadHandler.class );
final Class c = Class.forName( propertyType, false, cl );
beanUtility.setPropertyAsString( propertyName, c, result );
} else {
beanUtility.setPropertyAsString( propertyName, result );
}
} catch ( BeanException e ) {
throw new ParseException(
"Unable to assign property '" + propertyName + "' to the specified Layout-PreProcessor", e, getLocator() );
} catch ( ClassNotFoundException e ) {
throw new ParseException( "Unable to assign property '" + propertyName + "' to expression Layout-PreProcessor",
e, getLocator() );
}
}
/**
* Returns the object for this element or null, if this element does not create an object.
*
* @return the object.
*/
public Object getObject() {
return null;
}
}