/**
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided
* that the following conditions are met:
*
* 1. Redistributions of source code must retain copyright
* statements and notices. Redistributions must also contain a
* copy of this document.
*
* 2. Redistributions in binary form must reproduce the
* above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. The name "Exolab" must not be used to endorse or promote
* products derived from this Software without prior written
* permission of Intalio, Inc. For written permission,
* please contact info@exolab.org.
*
* 4. Products derived from this Software may not be called "Exolab"
* nor may "Exolab" appear in their names without prior written
* permission of Intalio, Inc. Exolab is a registered
* trademark of Intalio, Inc.
*
* 5. Due credit should be given to the Exolab Project
* (http://www.exolab.org/).
*
* THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* INTALIO, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 1999 (C) Intalio, Inc. All Rights Reserved.
*
* $Id$
*/
package org.exolab.castor.dsml;
import org.xml.sax.DocumentHandler;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.AttributeListImpl;
/**
*
*
* @author <a href="mailto:arkin@intalio.com">Assaf Arkin</a>
* @version $Revision$ $Date: 2006-04-25 15:08:23 -0600 (Tue, 25 Apr 2006) $
*/
public abstract class Producer
{
protected DocumentHandler _docHandler;
private boolean _namespace;
private boolean _insideDirectory;
private boolean _insideSchema;
public Producer( DocumentHandler docHandler, boolean namespace )
{
_docHandler = docHandler;
_namespace = namespace;
}
public void startDocument()
throws SAXException
{
AttributeListImpl attrList;
attrList = new AttributeListImpl();
if ( _namespace )
attrList.addAttribute( "xmlns:" + XML.Namespace.PREFIX, "CDATA", XML.Namespace.URI );
else
attrList.addAttribute( "xmlns", "CDATA", XML.Namespace.URI );
_docHandler.startElement( prefix( XML.Namespace.ROOT ), attrList );
}
public void endDocument()
throws SAXException
{
leaveDirectory();
leaveSchema();
_docHandler.endElement( prefix( XML.Namespace.ROOT ) );
}
public void produce( ImportDescriptor importDesc )
throws SAXException
{
leaveDirectory();
leaveSchema();
importDesc.produce( _docHandler );
}
public void produce( SearchDescriptor searchDesc )
throws SAXException
{
leaveDirectory();
leaveSchema();
searchDesc.produce( _docHandler );
}
protected void enterDirectory()
throws SAXException
{
// If not inside directory element, start it
if ( ! _insideDirectory ) {
_insideDirectory = true;
_docHandler.startElement( prefix( XML.Entries.ELEMENT ), new AttributeListImpl() );
}
}
protected void leaveDirectory()
throws SAXException
{
// If inside directory element, end it
if ( _insideDirectory ) {
_insideDirectory = false;
_docHandler.endElement( prefix( XML.Entries.ELEMENT ) );
}
}
protected void enterSchema()
throws SAXException
{
// If not inside schema element, start it
if ( ! _insideSchema ) {
_insideSchema = true;
_docHandler.startElement( prefix( XML.Schema.ELEMENT ), new AttributeListImpl() );
}
}
protected void leaveSchema()
throws SAXException
{
// If not inside schema element, end it
if ( _insideSchema ) {
_insideSchema = false;
_docHandler.endElement( prefix( XML.Schema.ELEMENT ) );
}
}
protected String prefix( String tagName )
{
if ( _namespace )
return XML.Namespace.PREFIX + ":" + tagName;
return tagName;
}
}