/*
* 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 2004 (C) Intalio, Inc. All Rights Reserved.
*
* $Id$
*/
package org.exolab.castor.xml.handlers;
import org.exolab.castor.mapping.FieldHandler;
import org.exolab.castor.mapping.GeneralizedFieldHandler;
/**
* An implementation of GeneralizedFieldHandler that simply calls
* Object#toString() in the conversion methods.
*
* @author <a href="kvisco@intalio.com">Keith Visco</a>
* @version $Revision$ $Date: 2005-02-28 17:53:23 -0700 (Mon, 28 Feb 2005) $
*/
public class ToStringFieldHandler extends GeneralizedFieldHandler {
/** The class type for this FieldHandler. */
private final Class _type;
/**
* Creates a new ToStringFieldHandler.
*
* @param type the class type to create the FieldHandler for
*/
public ToStringFieldHandler(final Class type) {
this(type, null);
} //-- ToStringFieldHandler
/**
* Creates a new ToStringFieldHandler.
*
* @param type the class type to create the FieldHandler for
* @param handler the FieldHandler to wrap
*/
public ToStringFieldHandler(final Class type, final FieldHandler handler) {
super();
if (type == null) {
throw new IllegalArgumentException("The argument 'type' must not be null.");
}
_type = type;
if (handler != null) {
setFieldHandler(handler);
}
} //-- ToStringFieldHandler
/**
* {@inheritDoc}
* @see org.exolab.castor.mapping.GeneralizedFieldHandler#convertUponGet(java.lang.Object)
*/
public Object convertUponGet(final Object value) {
if (value == null) {
return null;
}
return value.toString();
} //-- convertUponGet
/**
* {@inheritDoc}
* @see org.exolab.castor.mapping.GeneralizedFieldHandler#convertUponSet(java.lang.Object)
*/
public Object convertUponSet(final Object value) {
if (value == null) {
return null;
}
return value.toString();
} //-- convertUponSet;
/**
* {@inheritDoc}
* @see org.exolab.castor.mapping.GeneralizedFieldHandler#getFieldType()
*/
public Class getFieldType() {
return _type;
} //-- getFieldType
} //-- ValueOfFieldHandler