genericlinechunksource.java

java编写的OCR软件

/*
    Jacson
    Copyright (C) 2003 Patrick Carl, [e-mail]
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.
 
    This library 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.
 
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package de.spieleck.app.jacson.source;

import de.spieleck.app.jacson.JacsonConfigException;
import de.spieleck.config.ConfigNode;
import java.io.FileInputStream;

/**
 * GenericLineChunkSource<br>
 * This JacsonSource is a prove of concept for using GenericJacsonChunkSources.
 * $Id: GenericLineChunkSource.java 16 2005-09-28 18:46:52Z pcs $
 * @author Patrick Carl
 * @since 0.89
 */
public class GenericLineChunkSource extends LineChunkSource
implements GenericJacsonChunkSource{
    
    public static final String FILE_NODE = "file";
    public static final String UNGZIP_NODE = "ungzip";
    
    /** Creates a new instance of GenericLineChunkSource */
    public GenericLineChunkSource() {
        super();
    }
    
    public void init(ConfigNode config) throws JacsonConfigException {
        this.fileName = config.getString(FILE_NODE, null);
        if(fileName == null || fileName.length() == 0)
            throw new JacsonConfigException("No fileName configured");
        try{
            setStream(new FileInputStream(fileName),
            config.getBoolean(UNGZIP_NODE, true));
        } catch (Exception e){
            throw new JacsonConfigException(e.getMessage(), e);
        }
    }
}