/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* 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;
* version 2.1 of the License.
*
* 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.
*/
package org.geotools.xml;
/**
* Base class for simple bindings.
*
* @author Justin Deoliveira, The Open Planning Project, jdeolive@openplans.org
*
*
*
* @source $URL$
*/
public abstract class AbstractSimpleBinding implements SimpleBinding {
/**
* This implementation returns {@link Binding#AFTER}.
* <p>
* Subclasses should override to change this behaviour.
* </p>
*/
public int getExecutionMode() {
return AFTER;
}
/**
* Subclasses need to override this method, this implementation returns
* <code>null</code>.
*/
public Object parse(InstanceComponent instance, Object value)
throws Exception {
return null;
}
/**
* Performs the encoding of the object as a String.
*
* @param object The object being encoded, never null.
* @param value The string returned from another binding in the type
* hierachy, which could be null.
*
* @return A String representing the object.
*/
public String encode(Object object, String value) throws Exception {
//just return the value passed in, subclasses should override to provide new value
return value;
}
}