efbiffviewer.java

Office格式转换代码

/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2003 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" and
 *    "Apache POI" must not be used to endorse or promote products
 *    derived from this software without prior written permission. For
 *    written permission, please contact [e-mail].
 *
 * 5. Products derived from this software may not be called "Apache",
 *    "Apache POI", nor may "Apache" appear in their name, without
 *    prior written permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

package org.apache.poi.hssf.dev;

import java.io.FileInputStream;
import java.io.InputStream;
import java.io.IOException;

import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.hssf.eventmodel.*;
import org.apache.poi.hssf.eventusermodel.*;
import org.apache.poi.hssf.record.Record;

import org.apache.poi.hssf.eventusermodel.HSSFRequest;
import org.apache.poi.hssf.eventusermodel.HSSFListener;
import org.apache.poi.hssf.eventusermodel.HSSFEventFactory;

/**
 *
 * @author  andy
 */

public class EFBiffViewer
{
    String file;

    /** Creates a new instance of EFBiffViewer */

    public EFBiffViewer()
    {
    }

    public void run()
        throws IOException
    {
        FileInputStream fin   = new FileInputStream(file);
        POIFSFileSystem poifs = new POIFSFileSystem(fin);
        InputStream     din   = poifs.createDocumentInputStream("Workbook");
        HSSFRequest     req   = new HSSFRequest();

        req.addListenerForAllRecords(new HSSFListener()
        {
            public void processRecord(Record rec)
            {
                System.out.println(rec.toString());
            }
        });
        HSSFEventFactory factory = new HSSFEventFactory();

        factory.processEvents(req, din);
    }

    public void setFile(String file)
    {
        this.file = file;
    }

    public static void main(String [] args)
    {
        if ((args.length == 1) && !args[ 0 ].equals("--help"))
        {
            try
            {
                EFBiffViewer viewer = new EFBiffViewer();

                viewer.setFile(args[ 0 ]);
                viewer.run();
            }
            catch (IOException e)
            {
                e.printStackTrace();
            }
        }
        else
        {
            System.out.println("EFBiffViewer");
            System.out.println(
                "Outputs biffview of records based on HSSFEventFactory");
            System.out
                .println("usage: java org.apache.poi.hssf.dev.EBBiffViewer "
                         + "filename");
        }
    }
}