/******************************************************************************
* Copyright (c) 2014 Oracle
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Konstantin Komissarchik - initial implementation and ongoing maintenance
******************************************************************************/
package org.eclipse.sapphire.modeling.xml;
import org.eclipse.sapphire.Element;
import org.eclipse.sapphire.modeling.DelimitedListBindingImpl;
/**
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
*/
public abstract class XmlDelimitedListBindingImpl extends DelimitedListBindingImpl
{
private final XmlPath path;
public XmlDelimitedListBindingImpl( final XmlPath path )
{
this.path = path;
}
@Override
protected final String readListString()
{
final Element parent = property().element();
final XmlElement parentXmlElement = ( (XmlResource) parent.resource() ).getXmlElement();
if( parentXmlElement == null )
{
return null;
}
final XmlNode listXmlNode = parentXmlElement.getChildNode( this.path, false );
if( listXmlNode == null )
{
return null;
}
return listXmlNode.getText();
}
@Override
protected final void writeListString( String str )
{
final Element parent = property().element();
final XmlElement parentXmlElement = ( (XmlResource) parent.resource() ).getXmlElement( true );
final XmlNode listXmlNode = parentXmlElement.getChildNode( this.path, false );
if( str == null )
{
if( listXmlNode != null )
{
listXmlNode.remove();
}
}
else
{
parentXmlElement.setChildNodeText( this.path, str, false );
}
}
}