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/*******************************************************************************
* Copyright (c) 2000, 2007 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.help;
/**
* An <code>IToc</code> represents the root node of a toc, for either a complete
* toc (book) or a part of one to be assembled into a larger one.
*
* @since 2.0
*/
public interface IToc extends IUAElement, IHelpResource {
/**
* This is element name used for TOC in XML files.
*/
public final static String TOC = "toc"; //$NON-NLS-1$
/**
* This is the attribute used for description topic in XML files.
*/
public final static String TOPIC = "topic"; //$NON-NLS-1$
/**
* Obtains the topics directly contained by a toc.
*
* @return Array of ITopic
*/
public ITopic[] getTopics();
/**
* Returns a topic with the specified href defined by this TOC. <br>
* If the TOC contains multiple topics with the same href only of them
* (arbitrarily chosen) will be returned.
* <p>
* If no topic is specified, then the TOC description topic is returned, or
* null if there is no description topic for the TOC.
* </p>
*
* @param href the topic's URL or null
* @return ITopic or null
*/
public ITopic getTopic(String href);
}
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