/*
* 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.metadata.parser;
import org.pentaho.reporting.engine.classic.core.metadata.DataFactoryCore;
import org.pentaho.reporting.engine.classic.core.metadata.DefaultDataFactoryCore;
import org.pentaho.reporting.engine.classic.core.metadata.DefaultDataFactoryMetaData;
import org.pentaho.reporting.libraries.base.util.ObjectUtilities;
import org.pentaho.reporting.libraries.xmlns.parser.AbstractXmlReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.ParseException;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public class DataFactoryReadHandler extends AbstractXmlReadHandler
{
private String name;
private boolean experimental;
private boolean expert;
private boolean hidden;
private boolean preferred;
private boolean deprecated;
private String bundleName;
private boolean editable;
private boolean freeformQuery;
private boolean formattingMetadataSource;
private DataFactoryCore dataFactoryCore;
public DataFactoryReadHandler()
{
}
/**
* 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"); // NON-NLS
if (name == null)
{
throw new ParseException("Attribute 'name' is undefined", getLocator());
}
experimental = "true".equals(attrs.getValue(getUri(), "experimental"));
expert = "true".equals(attrs.getValue(getUri(), "expert")); // NON-NLS
hidden = "true".equals(attrs.getValue(getUri(), "hidden")); // NON-NLS
preferred = "true".equals(attrs.getValue(getUri(), "preferred")); // NON-NLS
deprecated = "true".equals(attrs.getValue(getUri(), "deprecated")); // NON-NLS
final String editable = attrs.getValue(getUri(), "editable"); // NON-NLS
this.editable = editable == null || "true".equals(editable);
freeformQuery = "true".equals(attrs.getValue(getUri(), "freeform-query")); // NON-NLS
formattingMetadataSource = "true".equals(attrs.getValue(getUri(), "metadata-source")); // NON-NLS
bundleName = attrs.getValue(getUri(), "bundle-name"); // NON-NLS
final String metaDataCoreClass = attrs.getValue(getUri(), "impl"); // NON-NLS
if (metaDataCoreClass != null)
{
dataFactoryCore = (DataFactoryCore) ObjectUtilities.loadAndInstantiate
(metaDataCoreClass, DataFactoryReadHandler.class, DataFactoryCore.class);
if (dataFactoryCore == null)
{
throw new ParseException("Attribute 'impl' references a invalid DataFactoryPropertyCore implementation.", getLocator());
}
}
else
{
dataFactoryCore = new DefaultDataFactoryCore();
}
}
/**
* Done parsing.
*
* @throws SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException
{
}
/**
* 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 new DefaultDataFactoryMetaData
(name, bundleName, "datafactory.", expert, preferred,
hidden, deprecated, editable, freeformQuery, formattingMetadataSource, experimental, dataFactoryCore);
}
}