/*
* 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;
import java.io.IOException;
import java.util.Iterator;
import org.apache.pdfbox.cos.COSBase;
import org.apache.pdfbox.cos.COSObject;
import org.apache.pdfbox.cos.COSStream;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.exceptions.COSVisitorException;
import org.apache.pdfbox.exceptions.InvalidPasswordException;
/**
* load document and write with all streams decoded.
*
* @author Michael Traut
* @version $Revision: 1.8 $
*/
public class WriteDecodedDoc
{
/**
* 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.
*
* @throws IOException If there is an error parsing the document.
* @throws COSVisitorException If there is an error while copying the document.
*/
public void doIt(String in, String out) throws IOException, COSVisitorException
{
PDDocument doc = null;
try
{
doc = PDDocument.load( in );
if( doc.isEncrypted() )
{
try
{
doc.decrypt( "" );
}
catch( InvalidPasswordException e )
{
System.err.println( "Error: The document is encrypted." );
}
catch( org.apache.pdfbox.exceptions.CryptographyException e )
{
e.printStackTrace();
}
}
for (Iterator<COSObject> i = doc.getDocument().getObjects().iterator(); i.hasNext();)
{
COSBase base = ((COSObject) i.next()).getObject();
if (base instanceof COSStream)
{
// just kill the filters
COSStream cosStream = (COSStream)base;
cosStream.getUnfilteredStream();
cosStream.setFilters(null);
}
}
doc.save( out );
}
finally
{
if( doc != null )
{
doc.close();
}
}
}
/**
* This will write a PDF document with completely decoded streams.
* <br />
* see usage() for commandline
*
* @param args command line arguments
*/
public static void main(String[] args)
{
WriteDecodedDoc app = new WriteDecodedDoc();
try
{
if( args.length != 2 )
{
app.usage();
}
else
{
app.doIt( args[0], args[1]);
}
}
catch (Exception e)
{
e.printStackTrace();
}
}
/**
* This will print out a message telling how to use this example.
*/
private void usage()
{
System.err.println( "usage: java -jar pdfbox-app-x.y.z.jar WriteDecodedDoc <input-file> <output-file>" );
}
}