/*
* 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 - 2009 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;
}
}