001    /* PAVLOV -- Multiple Choice Study System
002     * Copyright (C) 2000 - 2004 T.J. Willis
003     *
004     * This program is free software; you can redistribute it and/or
005     * modify it under the terms of the GNU General Public License
006     * as published by the Free Software Foundation; either version 2
007     * of the License, or (at your option) any later version.
008     *
009     * This program is distributed in the hope that it will be useful,
010     * but WITHOUT ANY WARRANTY; without even the implied warranty of
011     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
012     * GNU General Public License for more details.
013     *
014     * You should have received a copy of the GNU General Public License
015     * along with this program; if not, write to the Free Software
016     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
017     *
018     * $Header: /cvsroot/pavlov/net/sourceforge/pavlov/library/AbstractLibrary.java,v 1.4 2004/05/29 02:29:59 tj_willis Exp $
019     */
020    package net.sourceforge.pavlov.library;
021    
022    //import net.sourceforge.pavlov.event.BookAndChapterEvent;
023    import java.io.IOException;
024    import java.io.Writer;
025    import java.util.Collection;
026    import javax.swing.tree.DefaultMutableTreeNode;
027    import org.apache.log4j.*;
028    
029    /**
030     * An interface to be implemented by classes that can act as a Pavlov Library,
031     * i.e. a set of AbstractBooks with AbstractChapters that can be accesses by
032     * name.
033     *
034     * @author <a href="mailto:tj_willis@users.sourceforge.net"></a>
035     * @version 1.0
036     * @has 1 Has 1..n net.sourceforge.pavlov.library.AbstractBook
037     */
038    public interface AbstractLibrary {
039    
040    //     /**
041    //      * Returns a pair containing the named book and chapter
042    //      * @param bkName a <code>String</code> value
043    //      * @param cpName a <code>String</code> value
044    //      * @return a <code>BookAndChapterEvent</code> value
045    //      */
046    //     BookAndChapterEvent getBookAndChapterSelectionEvent(String bkName, String cpName);
047    
048        /**
049         * Returns the named Chapter from the named book. Null if either doesn't exist.
050         * @param bkName a <code>String</code> value
051         * @param cpName a <code>String</code> value
052         * @return a <code>Chapter</code> value
053         */
054        Chapter getChapter(String bkName, String cpName);
055    
056        /**
057         * Returns all books as a Collection. 
058         * @return a <code>Collection</code> value
059         * @deprecated
060         */
061        @Deprecated Collection<AbstractBook> getBookCollection();
062    
063        /**
064         * Returns all books as a read-only Collection. 
065         * @return a <code>Collection</code> value
066         */
067        Collection<AbstractBook> getBooksReadOnly();
068        
069        /**
070         * Displays books and chapters as a tree.  
071         * @param top a <code>DefaultMutableTreeNode</code> value
072         */
073        void populateTree(DefaultMutableTreeNode top);
074    
075    //     /**
076    //      * Dumps the Library in XML format to the given writer.  
077    //      * Loops throught books, chapters, questions.
078    //      * @param writer a <code>Writer</code> value
079    //      * @exception IOException if an error occurs
080    //      */
081    //     void toXML(Writer writer) throws IOException;
082    
083    
084        /**
085         * Returns the named Book. Null if either doesn't exist.
086         * @param bkName a <code>String</code> value
087         * @return a <code>Book</code> value
088         */
089        AbstractBook getBook(String bkName);
090    
091        /**
092         * Adds an AbstractBook to this library.
093         *
094         * @param b an <code>AbstractBook</code> value
095         */
096        void addBook(AbstractBook b);
097        /**
098         * Removes the named AbstractBook from this library.
099         *
100         * @param bookName a <code>String</code> value
101         */
102        void deleteBook(String bookName );
103    }