/**
* ========================================
* JFreeReport : a free Java report library
* ========================================
*
* Project Info: http://reporting.pentaho.org/
*
* (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
*
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This library 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.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------
* $Id: AttributeExpressionReadHandler.java 3525 2007-10-16 11:43:48Z tmorgner $
* ------------
* (C) Copyright 2000-2005, by Object Refinery Limited.
* (C) Copyright 2005-2007, by Pentaho Corporation.
*/
package org.jfree.report.modules.factories.report.flow;
import org.jfree.xmlns.parser.ParseException;
import org.jfree.xmlns.parser.StringReadHandler;
import org.jfree.xmlns.parser.XmlReadHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* Creation-Date: 09.04.2006, 13:40:08
*
* @author Thomas Morgner
*/
public class AttributeExpressionReadHandler
extends AbstractExpressionReadHandler
{
private StringReadHandler nameReadHandler;
private StringReadHandler namespaceUriReadHandler;
private String attributeName;
private String namespace;
public AttributeExpressionReadHandler()
{
}
/**
* Returns the handler for a child 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 ("attribute-name".equals(tagName))
{
nameReadHandler = new StringReadHandler();
return nameReadHandler;
}
if ("attribute-namespace-uri".equals(tagName))
{
namespaceUriReadHandler = new StringReadHandler();
return namespaceUriReadHandler;
}
return super.getHandlerForChild(uri, tagName, atts);
}
/**
* Done parsing.
*
* @throws SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException
{
super.doneParsing();
if (nameReadHandler == null)
{
throw new ParseException
("Required element 'attribute-name' is missing.", getLocator());
}
attributeName = nameReadHandler.getResult();
if (namespaceUriReadHandler != null)
{
namespace = namespaceUriReadHandler.getResult();
}
if (namespace == null)
{
namespace = getNamespace();
}
}
public String getNamespace()
{
return namespace;
}
public String getAttributeName()
{
return attributeName;
}
}