/*
* #!
* Ontopia Webed
* #-
* Copyright (C) 2001 - 2013 The Ontopia Project
* #-
* 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 net.ontopia.topicmaps.webed.impl.actions.assocrole;
import net.ontopia.topicmaps.core.AssociationIF;
import net.ontopia.topicmaps.core.TopicIF;
import net.ontopia.topicmaps.core.TopicMapBuilderIF;
import net.ontopia.topicmaps.webed.core.ActionIF;
import net.ontopia.topicmaps.webed.core.ActionParametersIF;
import net.ontopia.topicmaps.webed.core.ActionResponseIF;
/**
* PUBLIC: Action for adding a role to an association; does nothing if
* no role player is selected.
*/
public class AddRole implements ActionIF {
public void perform(ActionParametersIF params, ActionResponseIF response) {
AssociationIF assoc = (AssociationIF) params.get(0);
TopicIF player = (TopicIF) params.getTMObjectValue();
if (player == null)
return; // nothing to be done
TopicIF type = (TopicIF) params.get(1);
TopicMapBuilderIF builder =
assoc.getTopicMap().getBuilder();
builder.makeAssociationRole(assoc, type, player);
}
}