org.apache.poi.hssf.dev.EFBiffViewer Maven / Gradle / Ivy

/* ====================================================================
   Copyright 2002-2004   Apache Software Foundation

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
==================================================================== */

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");
        }
    }
}