/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.cocoon.components.modules.input;
import org.apache.avalon.framework.configuration.Configuration;
import org.apache.avalon.framework.configuration.ConfigurationException;
import org.apache.avalon.framework.thread.ThreadSafe;
import java.util.Iterator;
import java.util.Map;
/**
* NullInputModule returns a null object. Use this if you want to
* explicitly forbid a parameter to be filled. E.g. a database column
* shall be filled with a default value, your forms never contain that
* parameter but you don't want anyone to provide this parameter
* manually.
*
* @author <a href="mailto:haul@apache.org">Christian Haul</a>
* @version $Id$
*/
public class NullInputModule extends AbstractInputModule implements ThreadSafe {
public Object getAttribute( String name, Configuration modeConf, Map objectModel ) throws ConfigurationException {
return null;
}
public Iterator getAttributeNames( Configuration modeConf, Map objectModel ) throws ConfigurationException {
return null;
}
public Object[] getAttributeValues( String name, Configuration modeConf, Map objectModel )
throws ConfigurationException {
return null;
}
}