/*
* #!
* Ontopia Engine
* #-
* 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.utils;
import net.ontopia.topicmaps.core.TopicIF;
import net.ontopia.topicmaps.core.TypedIF;
import net.ontopia.utils.GrabberIF;
import net.ontopia.utils.StringifierIF;
/**
* INTERNAL: Stringifier that generates a string representation of the
* type property of the object given to it.</p>
*
* This stringifier uses a TypedIFGrabber internally to grab the
* object's type property. Instances of this class can be configured
* with a stringifier used to stringify the resulting topic.</p>
*/
public class TypedIFStringifier<T extends TypedIF> implements StringifierIF<T> {
protected GrabberIF<T, TopicIF> grabber = new TypedIFGrabber<T>();
protected StringifierIF<? super TopicIF> topic_stringifier;
public TypedIFStringifier(StringifierIF<? super TopicIF> topic_stringifier) {
this.topic_stringifier = topic_stringifier;
}
/**
* Returns a string representation of the type property of the typed
* object.
*
* @param typed An object implementing TypedIF.
* @return The string that results from applying the configured
* stringifier to the type extracted from the typed object.
*/
public String toString(T typed) {
TopicIF type = grabber.grab(typed);
return topic_stringifier.toString(type);
}
}