SearcherFactory.java

/**
 * Distribution License:
 * JSword is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License, version 2.1 as published by
 * the Free Software Foundation. This program is distributed in the hope
 * that it will be useful, but WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * The License is available on the internet at:
 *       http://www.gnu.org/copyleft/lgpl.html
 * or by writing to:
 *      Free Software Foundation, Inc.
 *      59 Temple Place - Suite 330
 *      Boston, MA 02111-1307, USA
 *
 * Copyright: 2005
 *     The copyright to this program is held by it's authors.
 *
 * ID: $Id: SearcherFactory.java 1966 2009-10-30 01:15:14Z dmsmith $
 */
package org.crosswire.jsword.index.search;

import org.crosswire.common.util.Logger;
import org.crosswire.jsword.book.Book;
import org.crosswire.jsword.book.BookException;
import org.crosswire.jsword.index.Index;
import org.crosswire.jsword.index.IndexManager;
import org.crosswire.jsword.index.IndexManagerFactory;
import org.crosswire.jsword.index.lucene.LuceneIndexManager;
import org.crosswire.jsword.index.lucene.LuceneSearcher;

/**
 * Factory method for creating a new Searcher.
 * 
 * @see gnu.lgpl.License for license details.<br>
 *      The copyright to this program is held by it's authors.
 * @author Joe Walker [joe at eireneh dot com]
 */
public final class SearcherFactory {
    /**
     * Prevent instantiation
     */
    private SearcherFactory() {
    }

    /**
     * Create a new Searcher.
     */
    public static Searcher createSearcher(Book book) throws InstantiationException {
        try {
            IndexManager imanager = IndexManagerFactory.getIndexManager();
            if (imanager==null) {
                imanager = new LuceneIndexManager();
            }
            Index index = imanager.getIndex(book);
//TODO MJD do we still need this hack
            Searcher parser = new LuceneSearcher(); //(Searcher) PluginUtil.getImplementation(Searcher.class);
            parser.init(index);

            return parser;
//        } catch (IOException e) {
//            log.error("createSearcher failed", e); //$NON-NLS-1$
//            throw new InstantiationException();
        } catch (BookException e) {
            log.error("createSearcher failed", e); //$NON-NLS-1$
            throw new InstantiationException();
        } catch (ClassCastException e) {
            log.error("createSearcher failed", e); //$NON-NLS-1$
            throw new InstantiationException();
        } 
//            catch (ClassNotFoundException e) {
//            log.error("createSearcher failed", e); //$NON-NLS-1$
//            throw new InstantiationException();
//        } catch (IllegalAccessException e) {
//            log.error("createSearcher failed", e); //$NON-NLS-1$
//            throw new InstantiationException();
//        }
    }

    /**
     * The log stream
     */
    private static final Logger log = Logger.getLogger(SearcherFactory.class);
}