/*
* JBoss, Home of Professional Open Source
* Copyright 2006, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.metatype.api.values;
import java.io.Serializable;
import org.jboss.metatype.api.types.SimpleMetaType;
/**
* SimpleValue.
*
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @version $Revision: 1.1 $
*/
public class SimpleValueSupport extends AbstractMetaValue implements SimpleValue
{
/** The serialVersionUID */
private static final long serialVersionUID = 8473043036261557127L;
/** The simple meta type */
private SimpleMetaType metaType;
/** The value */
private Serializable value;
/**
* Wrap a simple object in simple value
*
* @param object the simple object
* @return the simple value
*/
public static SimpleValue wrap(Serializable object)
{
if (object == null)
return null;
String className = object.getClass().getName();
SimpleMetaType metaType = SimpleMetaType.resolve(className);
return new SimpleValueSupport(metaType, object);
}
/**
* Create a new SimpleValueSupport.
*
* @param metaType the simple meta type
* @param value the value
* @throws IllegalArgumentException for a null simpleMetaType
*/
public SimpleValueSupport(SimpleMetaType metaType, Serializable value)
{
if (metaType == null)
throw new IllegalArgumentException("Null simple meta type");
this.metaType = metaType;
setValue(value);
}
public SimpleMetaType getMetaType()
{
return metaType;
}
/**
* Get the value.
*
* @return the value.
*/
public Serializable getValue()
{
return value;
}
/**
* Set the value.
*
* @param value the value.
*/
public void setValue(Serializable value)
{
this.value = value;
}
@Override
public boolean equals(Object obj)
{
if (obj == this)
return true;
if (obj == null || obj instanceof SimpleValue == false)
return false;
SimpleValue other = (SimpleValue) obj;
if (metaType.equals(other.getMetaType()) == false)
return false;
Object otherValue = other.getValue();
if (value == null && otherValue == null)
return true;
if (value == null && otherValue != null)
return false;
return value.equals(otherValue);
}
@Override
public int hashCode()
{
if (value == null)
return 0;
return value.hashCode();
}
@Override
public String toString()
{
return metaType + ":" + value;
}
}