org.docx4j.org.apache.poi.poifs.dev.POIFSViewer Maven / Gradle / Ivy

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docx4j is a library which helps you to work with the Office Open XML file format as used in docx documents, pptx presentations, and xlsx spreadsheets.

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/* NOTICE: This file has been changed by Plutext Pty Ltd for use in docx4j.
 * The package name has been changed; there may also be other changes.
 * 
 * This notice is included to meet the condition in clause 4(b) of the License. 
 */
 
 
/* ====================================================================
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You 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.docx4j.org.apache.poi.poifs.dev;

import java.io.File;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;

import org.docx4j.org.apache.poi.poifs.filesystem.NPOIFSFileSystem;

/**
 * A simple viewer for POIFS files
 *
 * @author Marc Johnson (mjohnson at apache dot org)
 */

public class POIFSViewer
{

    /**
     * Display the contents of multiple POIFS files
     *
     * @param args the names of the files to be displayed
     */

    public static void main(final String args[])
    {
        if (args.length < 0)
        {
            System.err.println("Must specify at least one file to view");
            System.exit(1);
        }
        boolean printNames = (args.length > 1);

        for (int j = 0; j < args.length; j++)
        {
            viewFile(args[ j ], printNames);
        }
    }

    private static void viewFile(final String filename,
                                 final boolean printName)
    {
        if (printName)
        {
            StringBuffer flowerbox = new StringBuffer();

            flowerbox.append(".");
            for (int j = 0; j < filename.length(); j++)
            {
                flowerbox.append("-");
            }
            flowerbox.append(".");
            System.out.println(flowerbox);
            System.out.println("|" + filename + "|");
            System.out.println(flowerbox);
        }
        try
        {
            POIFSViewable fs      =
                new NPOIFSFileSystem(new File(filename));
            List  strings = POIFSViewEngine.inspectViewable(fs, true,
                                        0, "  ");
            Iterator iter = strings.iterator();

            while (iter.hasNext())
            {
                System.out.print(iter.next());
            }
        }
        catch (IOException e)
        {
            System.out.println(e.getMessage());
        }
    }
}   // end public class POIFSViewer