yacy_search_server/source/de/anomic/plasma/parser/doc/docParser.java

/*
 * Check4Update is a stand-alone server application that can be used to 
 * monitor various types of online resources for updates and changes and
 * notifies the user if a modification was detected.
 * 
 * Copyright (C) 2005 Martin Thelian
 * 
 * This program is free software; you can redistribute it and/or modify 
 * it under the terms of the GNU General Public License as published by 
 * the Free Software Foundation; either version 2 of the License, or (at 
 * your option) any later version.
 * 
 * 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 
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License 
 * along with this program; if not, write to the Free Software Foundation, 
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 * 
 * For more information, please email thelian@users.sourceforge.net
 * 
 */ 

/* =======================================================================
 * Revision Control Information
 * $Source: $
 * $Author: $
 * $Date: $
 * $Revision: $
 * ======================================================================= */

package de.anomic.plasma.parser.doc;

import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.net.URL;
import java.util.Arrays;
import java.util.HashSet;
import org.textmining.text.extraction.WordExtractor;


import de.anomic.plasma.plasmaParserDocument;
import de.anomic.plasma.parser.Parser;
import de.anomic.plasma.parser.ParserException;

public class docParser implements Parser {

    /**
     * a list of mime types that are supported by this parser class
     */
    public static final HashSet<String> SUPPORTED_MIME_TYPES = new HashSet<String>(Arrays.asList(new String[] {
        new String("application/msword")
    }));     
    
    
	public docParser() {
		super();
	}

	public plasmaParserDocument parse(URL location, String mimeType,
			byte[] source) throws ParserException {
        ByteArrayInputStream contentInputStream = new ByteArrayInputStream(source);
        return this.parse(location,mimeType,contentInputStream);
	}

	public plasmaParserDocument parse(URL location, String mimeType,
			File sourceFile) throws ParserException {
        BufferedInputStream contentInputStream = null;
        try {
            contentInputStream = new BufferedInputStream(new FileInputStream(sourceFile));
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
        return this.parse(location, mimeType, contentInputStream);
	}

	public plasmaParserDocument parse(URL location, String mimeType,
			InputStream source) throws ParserException {

        
		try {	
			  WordExtractor extractor = new WordExtractor();
			  String contents = extractor.extractText(source);

              plasmaParserDocument theDoc = new plasmaParserDocument(
                      location,
                      mimeType,
                      null,
                      null,
                      null,
                      null,
                      null,
                      contents.getBytes(),
                      null,
                      null);
              
              return theDoc;             
		}
		catch (Exception e) {			
			throw new ParserException("Unable to parse the doc content. " + e.getMessage());
		}        
	}

	public HashSet getSupportedMimeTypes() {
		return docParser.SUPPORTED_MIME_TYPES;
	}

	public void reset() {
		// TODO Auto-generated method stub

	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub

	}

}