/*
* 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 java.util.HashMap;
import org.pentaho.reporting.engine.classic.core.metadata.DefaultStyleKeyMetaData;
import org.pentaho.reporting.engine.classic.core.style.StyleKey;
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 StyleGroupRefReadHandler extends AbstractXmlReadHandler
{
private HashMap styles;
private GlobalMetaDefinition styleGroups;
private String bundle;
/**
* @param styles the style-keys for which metadata is created.
* @param styleGroups the global collection of style-groups.
* @param bundle the default resource-bundle that is used if the group defines no own bundle.
* @noinspection AssignmentToCollectionOrArrayFieldFromParameter
*/
public StyleGroupRefReadHandler(final HashMap styles,
final GlobalMetaDefinition styleGroups,
final String bundle)
{
this.styles = styles;
this.styleGroups = styleGroups;
this.bundle = bundle;
}
/**
* Starts parsing.
*
* @param attrs the attributes.
* @throws SAXException if there is a parsing error.
*/
protected void startParsing(final Attributes attrs) throws SAXException
{
final String name = attrs.getValue(getUri(), "ref");
if (name == null)
{
throw new ParseException("Attribute 'ref' is undefined", getLocator());
}
final StyleGroup group = styleGroups.getStyleGroup(name);
if (group == null)
{
throw new ParseException
("Attribute 'ref' is invalid. There is no style-group '" + name + "' defined.", getLocator());
}
final StyleReadHandler[] data = group.getMetaData();
for (int i = 0; i < data.length; i++)
{
final StyleReadHandler handler = data[i];
final String keyName = handler.getName();
final StyleKey key = StyleKey.getStyleKey(keyName);
if (key == null)
{
throw new ParseException("There is no such key '" + keyName + "' defined.");
}
final String bundle;
if (handler.getBundleName() != null)
{
bundle = handler.getBundleName();
}
else
{
bundle = this.bundle;
}
final DefaultStyleKeyMetaData metaData = new DefaultStyleKeyMetaData
(key, handler.getPropertyEditor(), bundle, "style.",
handler.isExpert(), handler.isPreferred(), handler.isHidden(), handler.isDeprecated());
styles.put(key, metaData);
}
}
/**
* 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 null;
}
}