/*
* Copyright 2005 Joe Walker
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.directwebremoting.create;
import org.directwebremoting.extend.AbstractCreator;
import org.directwebremoting.extend.Creator;
import org.directwebremoting.util.LocalUtil;
/**
* A creator that simply uses the default constructor each time it is called.
* @author Joe Walker [joe at getahead dot ltd dot uk]
*/
public class NullCreator extends AbstractCreator implements Creator
{
/**
* What sort of class do we create?
* @param classname The name of the class
*/
public void setClass(String classname)
{
try
{
this.clazz = LocalUtil.classForName(classname);
}
catch (ClassNotFoundException ex)
{
throw new IllegalArgumentException("Class not found: " + classname, ex);
}
}
/* (non-Javadoc)
* @see org.directwebremoting.Creator#getType()
*/
public Class<?> getType()
{
return clazz;
}
/* (non-Javadoc)
* @see org.directwebremoting.Creator#getInstance()
*/
public Object getInstance() throws InstantiationException
{
throw new InstantiationException("The NullCreator was asked to create an object. It should only be used for static methods or with a pre-populated scope.");
}
private Class<?> clazz;
}