/*
* 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.data.inlinedata;
import java.util.ArrayList;
import javax.swing.table.TableModel;
import org.pentaho.reporting.engine.classic.core.util.TypedTableModel;
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;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public class InlineTableReadHandler extends AbstractXmlReadHandler
{
private String name;
private TypedTableModel data;
private InlineTableDefinitionReadHandler definitionReadHandler;
private ArrayList rows;
public InlineTableReadHandler()
{
rows = new ArrayList();
}
/**
* Starts parsing.
*
* @param attrs the attributes.
* @throws SAXException if there is a parsing error.
*/
protected void startParsing(final Attributes attrs) throws SAXException
{
name = attrs.getValue(getUri(), "name");
if (name == null)
{
throw new ParseException("Required attribute 'name' is not defined.", 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 SAXException if there is a parsing error.
*/
protected XmlReadHandler getHandlerForChild(final String uri,
final String tagName,
final Attributes atts) throws SAXException
{
if (isSameNamespace(uri) == false)
{
return null;
}
if ("definition".equals(tagName))
{
definitionReadHandler = new InlineTableDefinitionReadHandler();
return definitionReadHandler;
}
else if ("row".equals(tagName))
{
if (definitionReadHandler == null)
{
throw new ParseException("A table-definition has to be specified before any row can be defined.", getLocator());
}
final InlineTableRowReadHandler rowReadHandler = new InlineTableRowReadHandler(definitionReadHandler.getTypes());
rows.add(rowReadHandler);
return rowReadHandler;
}
return null;
}
public TableModel getData()
{
return data;
}
public String getName()
{
return name;
}
/**
* Done parsing.
*
* @throws SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException
{
data = new TypedTableModel(definitionReadHandler.getNames(), definitionReadHandler.getTypes(), rows.size());
for (int row = 0; row < rows.size(); row++)
{
final InlineTableRowReadHandler handler = (InlineTableRowReadHandler) rows.get(row);
final Object[] data = (Object[]) handler.getObject();
for (int column = 0; column < data.length; column++)
{
final Object value = data[column];
this.data.setValueAt(value, row, column);
}
}
}
/**
* 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() throws SAXException
{
return data;
}
}