org.apache.pdfbox.tools.WriteDecodedDoc Maven / Gradle / Ivy
/*
* 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.apache.pdfbox.tools;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Iterator;
import org.apache.pdfbox.cos.COSBase;
import org.apache.pdfbox.cos.COSName;
import org.apache.pdfbox.cos.COSObject;
import org.apache.pdfbox.cos.COSStream;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.common.PDStream;
/**
* load document and write with all streams decoded.
*
* @author Michael Traut
*/
public class WriteDecodedDoc
{
private static final String PASSWORD = "-password";
/**
* Constructor.
*/
public WriteDecodedDoc()
{
super();
}
/**
* This will perform the document reading, decoding and writing.
*
* @param in The filename used for input.
* @param out The filename used for output.
* @param password The password to open the document.
*
* @throws IOException if the output could not be written
*/
public void doIt(String in, String out, String password)
throws IOException
{
PDDocument doc = null;
try
{
doc = PDDocument.load(new File(in), password);
doc.setAllSecurityToBeRemoved(true);
for (Iterator i = doc.getDocument().getObjects().iterator(); i.hasNext();)
{
COSBase base = i.next().getObject();
if (base instanceof COSStream)
{
COSStream stream = (COSStream)base;
byte[] bytes = new PDStream(stream).toByteArray();
stream.removeItem(COSName.FILTER);
OutputStream streamOut = stream.createOutputStream();
streamOut.write(bytes);
streamOut.close();
}
}
doc.getDocumentCatalog();
doc.save( out );
}
finally
{
if( doc != null )
{
doc.close();
}
}
}
/**
* This will write a PDF document with completely decoded streams.
*
* see usage() for commandline
*
* @param args command line arguments
* @throws java.io.IOException if the output could not be written
*/
public static void main(String[] args) throws IOException
{
// suppress the Dock icon on OS X
System.setProperty("apple.awt.UIElement", "true");
WriteDecodedDoc app = new WriteDecodedDoc();
String password = "";
String pdfFile = null;
String outputFile = null;
for( int i=0; i= args.length )
{
usage();
}
password = args[i];
}
else
{
if( pdfFile == null )
{
pdfFile = args[i];
}
else
{
outputFile = args[i];
}
}
}
if( pdfFile == null )
{
usage();
}
else
{
if (outputFile == null)
{
outputFile = calculateOutputFilename(pdfFile);
}
app.doIt(pdfFile, outputFile, password);
}
}
private static String calculateOutputFilename(String filename)
{
String outputFilename;
if (filename.toLowerCase().endsWith(".pdf"))
{
outputFilename = filename.substring(0,filename.length()-4);
}
else
{
outputFilename = filename;
}
outputFilename += "_unc.pdf";
return outputFilename;
}
/**
* This will print out a message telling how to use this example.
*/
private static void usage()
{
String message = "Usage: java -jar pdfbox-app-x.y.z.jar WriteDecodedDoc [options] [outputfile]\n"
+ "\nOptions:\n"
+ " -password : Password to decrypt the document\n"
+ " : The PDF document to be decompressed\n"
+ " [outputfile] : The filename for the decompressed pdf\n";
System.err.println(message);
System.exit(1);
}
}