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iText, a free Java-PDF library
/*
* Copyright 2004 by Paulo Soares.
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.lowagie.text.pdf;
import java.io.OutputStream;
import java.security.cert.Certificate;
import java.util.List;
import com.lowagie.text.DocWriter;
import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.interfaces.PdfEncryptionSettings;
import com.lowagie.text.pdf.interfaces.PdfViewerPreferences;
/**
* Concatenates PDF documents including form fields. The rules for the form field
* concatenation are the same as in Acrobat. All the documents are kept in memory unlike
* PdfCopy.
* @author Paulo Soares ([email protected])
*/
public class PdfCopyFields
implements PdfViewerPreferences, PdfEncryptionSettings {
private PdfCopyFieldsImp fc;
/**
* Creates a new instance.
* @param os the output stream
* @throws DocumentException on error
*/
public PdfCopyFields(OutputStream os) throws DocumentException {
fc = new PdfCopyFieldsImp(os);
}
/**
* Creates a new instance.
* @param os the output stream
* @param pdfVersion the pdf version the output will have
* @throws DocumentException on error
*/
public PdfCopyFields(OutputStream os, char pdfVersion) throws DocumentException {
fc = new PdfCopyFieldsImp(os, pdfVersion);
}
/**
* Concatenates a PDF document.
* @param reader the PDF document
* @throws DocumentException on error
*/
public void addDocument(PdfReader reader) throws DocumentException {
fc.addDocument(reader);
}
/**
* Concatenates a PDF document selecting the pages to keep. The pages are described as a
* List of Integer. The page ordering can be changed but
* no page repetitions are allowed.
* @param reader the PDF document
* @param pagesToKeep the pages to keep
* @throws DocumentException on error
*/
public void addDocument(PdfReader reader, List pagesToKeep) throws DocumentException {
fc.addDocument(reader, pagesToKeep);
}
/**
* Concatenates a PDF document selecting the pages to keep. The pages are described as
* ranges. The page ordering can be changed but
* no page repetitions are allowed.
* @param reader the PDF document
* @param ranges the comma separated ranges as described in {@link SequenceList}
* @throws DocumentException on error
*/
public void addDocument(PdfReader reader, String ranges) throws DocumentException {
fc.addDocument(reader, SequenceList.expand(ranges, reader.getNumberOfPages()));
}
/** Sets the encryption options for this document. The userPassword and the
* ownerPassword can be null or have zero length. In this case the ownerPassword
* is replaced by a random string. The open permissions for the document can be
* AllowPrinting, AllowModifyContents, AllowCopy, AllowModifyAnnotations,
* AllowFillIn, AllowScreenReaders, AllowAssembly and AllowDegradedPrinting.
* The permissions can be combined by ORing them.
* @param userPassword the user password. Can be null or empty
* @param ownerPassword the owner password. Can be null or empty
* @param permissions the user permissions
* @param strength128Bits true for 128 bit key length, false for 40 bit key length
* @throws DocumentException if the document is already open
*/
public void setEncryption(byte userPassword[], byte ownerPassword[], int permissions, boolean strength128Bits) throws DocumentException {
fc.setEncryption(userPassword, ownerPassword, permissions, strength128Bits ? PdfWriter.STANDARD_ENCRYPTION_128 : PdfWriter.STANDARD_ENCRYPTION_40);
}
/**
* Sets the encryption options for this document. The userPassword and the
* ownerPassword can be null or have zero length. In this case the ownerPassword
* is replaced by a random string. The open permissions for the document can be
* AllowPrinting, AllowModifyContents, AllowCopy, AllowModifyAnnotations,
* AllowFillIn, AllowScreenReaders, AllowAssembly and AllowDegradedPrinting.
* The permissions can be combined by ORing them.
* @param strength true for 128 bit key length. false for 40 bit key length
* @param userPassword the user password. Can be null or empty
* @param ownerPassword the owner password. Can be null or empty
* @param permissions the user permissions
* @throws DocumentException if the document is already open
*/
public void setEncryption(boolean strength, String userPassword, String ownerPassword, int permissions) throws DocumentException {
setEncryption(DocWriter.getISOBytes(userPassword), DocWriter.getISOBytes(ownerPassword), permissions, strength);
}
/**
* Closes the output document.
*/
public void close() {
fc.close();
}
/**
* Opens the document. This is usually not needed as addDocument() will do it
* automatically.
*/
public void open() {
fc.openDoc();
}
/**
* Adds JavaScript to the global document
* @param js the JavaScript
*/
public void addJavaScript(String js) {
fc.addJavaScript(js, !PdfEncodings.isPdfDocEncoding(js));
}
/**
* Sets the bookmarks. The list structure is defined in
* SimpleBookmark#.
* @param outlines the bookmarks or null to remove any
*/
public void setOutlines(List outlines) {
fc.setOutlines(outlines);
}
/** Gets the underlying PdfWriter.
* @return the underlying PdfWriter
*/
public PdfWriter getWriter() {
return fc;
}
/**
* Gets the 1.5 compression status.
* @return true if the 1.5 compression is on
*/
public boolean isFullCompression() {
return fc.isFullCompression();
}
/**
* Sets the document's compression to the new 1.5 mode with object streams and xref
* streams. It can be set at any time but once set it can't be unset.
*
* If set before opening the document it will also set the pdf version to 1.5.
*/
public void setFullCompression() {
fc.setFullCompression();
}
/**
* @see com.lowagie.text.pdf.interfaces.PdfEncryptionSettings#setEncryption(byte[], byte[], int, int)
*/
public void setEncryption(byte[] userPassword, byte[] ownerPassword, int permissions, int encryptionType) throws DocumentException {
fc.setEncryption(userPassword, ownerPassword, permissions, encryptionType);
}
/**
* @see com.lowagie.text.pdf.interfaces.PdfViewerPreferences#addViewerPreference(com.lowagie.text.pdf.PdfName, com.lowagie.text.pdf.PdfObject)
*/
public void addViewerPreference(PdfName key, PdfObject value) {
fc.addViewerPreference(key, value);
}
/**
* @see com.lowagie.text.pdf.interfaces.PdfViewerPreferences#setViewerPreferences(int)
*/
public void setViewerPreferences(int preferences) {
fc.setViewerPreferences(preferences);
}
/**
* @see com.lowagie.text.pdf.interfaces.PdfEncryptionSettings#setEncryption(java.security.cert.Certificate[], int[], int)
*/
public void setEncryption(Certificate[] certs, int[] permissions, int encryptionType) throws DocumentException {
fc.setEncryption(certs, permissions, encryptionType);
}
}