/*
* 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) 2008 - 2009 Pentaho Corporation, . All rights reserved.
*/
package org.pentaho.reporting.engine.classic.extensions.parsers.reportdesigner.report;
import java.util.Properties;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.Map;
import org.pentaho.reporting.libraries.xmlns.parser.AbstractXmlReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.PropertyReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.PropertiesReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.ParseException;
import org.pentaho.reporting.engine.classic.extensions.parsers.reportdesigner.converter.ObjectConverter;
import org.pentaho.reporting.engine.classic.extensions.parsers.reportdesigner.converter.ObjectConverterFactory;
import org.xml.sax.SAXException;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public class PropertyArrayReadHandler extends PropertiesReadHandler
{
private Class componentType;
private Object[] retval;
public PropertyArrayReadHandler(final Class componentType)
{
this.componentType = componentType;
}
/**
* Done parsing.
*
* @throws SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException
{
super.doneParsing();
final Properties properties = getResult();
final ArrayList list = new ArrayList();
final Iterator entries = properties.entrySet().iterator();
while (entries.hasNext())
{
final Map.Entry o = (Map.Entry) entries.next();
final String key = (String) o.getKey();
final String value = (String) o.getValue();
try
{
int index = Integer.parseInt(key);
if (index < 0)
{
throw new ParseException("Failed to parse array index", getLocator());
}
list.ensureCapacity(index);
while (list.size() < (index + 1))
{
list.add(null);
}
list.set(index, ObjectConverterFactory.convert(componentType, value, getLocator()));
}
catch (NumberFormatException nfe)
{
throw new ParseException("Failed to parse array index", getLocator());
}
}
retval = list.toArray();
}
/**
* 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()
{
return retval;
}
}