diff options
Diffstat (limited to 'src/main/java/com/lowagie/text/pdf/PdfCopy.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/pdf/PdfCopy.java | 474 |
1 files changed, 0 insertions, 474 deletions
diff --git a/src/main/java/com/lowagie/text/pdf/PdfCopy.java b/src/main/java/com/lowagie/text/pdf/PdfCopy.java deleted file mode 100644 index 0dcdc70..0000000 --- a/src/main/java/com/lowagie/text/pdf/PdfCopy.java +++ /dev/null @@ -1,474 +0,0 @@ -/*
- * $Id: PdfCopy.java,v 1.42 2006/05/06 14:19:51 psoares33 Exp $
- * $Name: $
- *
- * Copyright 1999, 2000, 2001, 2002 Bruno Lowagie
- *
- * 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.
- *
- * This module by Mark Thompson. Copyright (C) 2002 Mark Thompson
- *
- * 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.util.HashMap;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Iterator;
-import java.io.*;
-import com.lowagie.text.ExceptionConverter;
-import com.lowagie.text.Document;
-import com.lowagie.text.DocumentException;
-
-/**
- * Make copies of PDF documents. Documents can be edited after reading and
- * before writing them out.
- * @author Mark Thompson
- */
-
-public class PdfCopy extends PdfWriter {
- /**
- * This class holds information about indirect references, since they are
- * renumbered by iText.
- */
- static class IndirectReferences {
- PdfIndirectReference theRef;
- boolean hasCopied;
- IndirectReferences(PdfIndirectReference ref) {
- theRef = ref;
- hasCopied = false;
- }
- void setCopied() { hasCopied = true; }
- boolean getCopied() { return hasCopied; }
- PdfIndirectReference getRef() { return theRef; }
- };
- protected HashMap indirects;
- protected HashMap indirectMap;
- protected int currentObjectNum = 1;
- protected PdfReader reader;
- protected PdfIndirectReference acroForm;
- protected PdfIndirectReference topPageParent;
- protected ArrayList pageNumbersToRefs = new ArrayList();
- protected List newBookmarks;
-
- /**
- * A key to allow us to hash indirect references
- */
- protected static class RefKey {
- int num;
- int gen;
- RefKey(int num, int gen) {
- this.num = num;
- this.gen = gen;
- }
- RefKey(PdfIndirectReference ref) {
- num = ref.getNumber();
- gen = ref.getGeneration();
- }
- RefKey(PRIndirectReference ref) {
- num = ref.getNumber();
- gen = ref.getGeneration();
- }
- public int hashCode() {
- return (gen<<16)+num;
- }
- public boolean equals(Object o) {
- RefKey other = (RefKey)o;
- return this.gen == other.gen && this.num == other.num;
- }
- public String toString() {
- return "" + num + " " + gen;
- }
- }
-
- /**
- * Constructor
- * @param document
- * @param os outputstream
- */
- public PdfCopy(Document document, OutputStream os) throws DocumentException {
- super(new PdfDocument(), os);
- document.addDocListener(pdf);
- pdf.addWriter(this);
- indirectMap = new HashMap();
- }
- public void open() {
- super.open();
- topPageParent = getPdfIndirectReference();
- root.setLinearMode(topPageParent);
- }
-
- /**
- * Grabs a page from the input document
- * @param reader the reader of the document
- * @param pageNumber which page to get
- * @return the page
- */
- public PdfImportedPage getImportedPage(PdfReader reader, int pageNumber) {
- if (currentPdfReaderInstance != null) {
- if (currentPdfReaderInstance.getReader() != reader) {
- try {
- currentPdfReaderInstance.getReader().close();
- currentPdfReaderInstance.getReaderFile().close();
- }
- catch (IOException ioe) {
- // empty on purpose
- }
- currentPdfReaderInstance = reader.getPdfReaderInstance(this);
- }
- }
- else {
- currentPdfReaderInstance = reader.getPdfReaderInstance(this);
- }
- return currentPdfReaderInstance.getImportedPage(pageNumber);
- }
-
-
- /**
- * Translate a PRIndirectReference to a PdfIndirectReference
- * In addition, translates the object numbers, and copies the
- * referenced object to the output file.
- * NB: PRIndirectReferences (and PRIndirectObjects) really need to know what
- * file they came from, because each file has its own namespace. The translation
- * we do from their namespace to ours is *at best* heuristic, and guaranteed to
- * fail under some circumstances.
- */
- protected PdfIndirectReference copyIndirect(PRIndirectReference in) throws IOException, BadPdfFormatException {
- PdfIndirectReference theRef;
- RefKey key = new RefKey(in);
- IndirectReferences iRef = (IndirectReferences)indirects.get(key);
- if (iRef != null) {
- theRef = iRef.getRef();
- if (iRef.getCopied()) {
- // System.out.println(">>> Value is " + theRef.toString());
- return theRef;
- }
- // System.out.println(">>> Fill in " + theRef.toString());
- }
- else {
- theRef = body.getPdfIndirectReference();
- iRef = new IndirectReferences(theRef);
- indirects.put(key, iRef);
- }
- iRef.setCopied();
- PdfObject obj = copyObject(PdfReader.getPdfObjectRelease(in));
- addToBody(obj, theRef);
- return theRef;
- }
-
- /**
- * Translate a PRDictionary to a PdfDictionary. Also translate all of the
- * objects contained in it.
- */
- protected PdfDictionary copyDictionary(PdfDictionary in)
- throws IOException, BadPdfFormatException {
- PdfDictionary out = new PdfDictionary();
- PdfName type = (PdfName)in.get(PdfName.TYPE);
-
- for (Iterator it = in.getKeys().iterator(); it.hasNext();) {
- PdfName key = (PdfName)it.next();
- PdfObject value = in.get(key);
- // System.out.println("Copy " + key);
- if (type != null && PdfName.PAGE.equals(type)) {
- if (key.equals(PdfName.PARENT))
- out.put(PdfName.PARENT, topPageParent);
- else if (!key.equals(PdfName.B))
- out.put(key, copyObject(value));
- }
- else
- out.put(key, copyObject(value));
- }
- return out;
- }
-
- /**
- * Translate a PRStream to a PdfStream. The data part copies itself.
- */
- protected PdfStream copyStream(PRStream in) throws IOException, BadPdfFormatException {
- PRStream out = new PRStream(in, null);
-
- for (Iterator it = in.getKeys().iterator(); it.hasNext();) {
- PdfName key = (PdfName) it.next();
- PdfObject value = in.get(key);
- out.put(key, copyObject(value));
- }
-
- return out;
- }
-
-
- /**
- * Translate a PRArray to a PdfArray. Also translate all of the objects contained
- * in it
- */
- protected PdfArray copyArray(PdfArray in) throws IOException, BadPdfFormatException {
- PdfArray out = new PdfArray();
-
- for (Iterator i = in.getArrayList().iterator(); i.hasNext();) {
- PdfObject value = (PdfObject)i.next();
- out.add(copyObject(value));
- }
- return out;
- }
-
- /**
- * Translate a PR-object to a Pdf-object
- */
- protected PdfObject copyObject(PdfObject in) throws IOException,BadPdfFormatException {
- switch (in.type) {
- case PdfObject.DICTIONARY:
- // System.out.println("Dictionary: " + in.toString());
- return copyDictionary((PdfDictionary)in);
- case PdfObject.INDIRECT:
- return copyIndirect((PRIndirectReference)in);
- case PdfObject.ARRAY:
- return copyArray((PdfArray)in);
- case PdfObject.NUMBER:
- case PdfObject.NAME:
- case PdfObject.STRING:
- case PdfObject.NULL:
- case PdfObject.BOOLEAN:
- return in;
- case PdfObject.STREAM:
- return copyStream((PRStream)in);
- // return in;
- default:
- if (in.type < 0) {
- String lit = ((PdfLiteral)in).toString();
- if (lit.equals("true") || lit.equals("false")) {
- return new PdfBoolean(lit);
- }
- return new PdfLiteral(lit);
- }
- System.out.println("CANNOT COPY type " + in.type);
- return null;
- }
- }
-
- /**
- * convenience method. Given an importedpage, set our "globals"
- */
- protected int setFromIPage(PdfImportedPage iPage) {
- int pageNum = iPage.getPageNumber();
- PdfReaderInstance inst = currentPdfReaderInstance = iPage.getPdfReaderInstance();
- reader = inst.getReader();
- setFromReader(reader);
- return pageNum;
- }
-
- /**
- * convenience method. Given a reader, set our "globals"
- */
- protected void setFromReader(PdfReader reader) {
- this.reader = reader;
- indirects = (HashMap)indirectMap.get(reader);
- if (indirects == null) {
- indirects = new HashMap();
- indirectMap.put(reader,indirects);
- PdfDictionary catalog = reader.getCatalog();
- PRIndirectReference ref = (PRIndirectReference)catalog.get(PdfName.PAGES);
- indirects.put(new RefKey(ref), new IndirectReferences(topPageParent));
- ref = null;
- PdfObject o = catalog.get(PdfName.ACROFORM);
- if (o == null || o.type() != PdfObject.INDIRECT)
- return;
- ref = (PRIndirectReference)o;
- if (acroForm == null) acroForm = body.getPdfIndirectReference();
- indirects.put(new RefKey(ref), new IndirectReferences(acroForm));
- }
- }
- /**
- * Add an imported page to our output
- * @param iPage an imported page
- * @throws IOException, BadPdfFormatException
- */
- public void addPage(PdfImportedPage iPage) throws IOException, BadPdfFormatException {
- int pageNum = setFromIPage(iPage);
-
- PdfDictionary thePage = reader.getPageN(pageNum);
- PRIndirectReference origRef = reader.getPageOrigRef(pageNum);
- reader.releasePage(pageNum);
- RefKey key = new RefKey(origRef);
- PdfIndirectReference pageRef;
- IndirectReferences iRef = (IndirectReferences)indirects.get(key);
- // if we already have an iref for the page (we got here by another link)
- if (iRef != null) {
- pageRef = iRef.getRef();
- }
- else {
- pageRef = body.getPdfIndirectReference();
- iRef = new IndirectReferences(pageRef);
- indirects.put(key, iRef);
- }
- pageReferences.add(pageRef);
- ++currentPageNumber;
- if (! iRef.getCopied()) {
- iRef.setCopied();
- PdfDictionary newPage = copyDictionary(thePage);
- newPage.put(PdfName.PARENT, topPageParent);
- addToBody(newPage, pageRef);
- }
- root.addPage(pageRef);
- pageNumbersToRefs.add(pageRef);
- }
-
- public PdfIndirectReference getPageReference(int page) {
- if (page < 0 || page > pageNumbersToRefs.size())
- throw new IllegalArgumentException("Invalid page number " + page);
- return (PdfIndirectReference)pageNumbersToRefs.get(page - 1);
- }
-
- /**
- * Copy the acroform for an input document. Note that you can only have one,
- * we make no effort to merge them.
- * @param reader The reader of the input file that is being copied
- * @throws IOException, BadPdfFormatException
- */
- public void copyAcroForm(PdfReader reader) throws IOException, BadPdfFormatException {
- setFromReader(reader);
-
- PdfDictionary catalog = reader.getCatalog();
- PRIndirectReference hisRef = null;
- PdfObject o = catalog.get(PdfName.ACROFORM);
- if (o != null && o.type() == PdfObject.INDIRECT)
- hisRef = (PRIndirectReference)o;
- if (hisRef == null) return; // bugfix by John Englar
- RefKey key = new RefKey(hisRef);
- PdfIndirectReference myRef;
- IndirectReferences iRef = (IndirectReferences)indirects.get(key);
- if (iRef != null) {
- acroForm = myRef = iRef.getRef();
- }
- else {
- acroForm = myRef = body.getPdfIndirectReference();
- iRef = new IndirectReferences(myRef);
- indirects.put(key, iRef);
- }
- if (! iRef.getCopied()) {
- iRef.setCopied();
- PdfDictionary theForm = copyDictionary((PdfDictionary)PdfReader.getPdfObject(hisRef));
- addToBody(theForm, myRef);
- }
- }
-
- /*
- * the getCatalog method is part of PdfWriter.
- * we wrap this so that we can extend it
- */
- protected PdfDictionary getCatalog(PdfIndirectReference rootObj) {
- try {
- PdfDictionary theCat = ((PdfDocument)document).getCatalog(rootObj);
- if (acroForm != null) theCat.put(PdfName.ACROFORM, acroForm);
- if (newBookmarks == null || newBookmarks.size() == 0)
- return theCat;
- PdfDictionary top = new PdfDictionary();
- PdfIndirectReference topRef = getPdfIndirectReference();
- Object kids[] = SimpleBookmark.iterateOutlines(this, topRef, newBookmarks, false);
- top.put(PdfName.FIRST, (PdfIndirectReference)kids[0]);
- top.put(PdfName.LAST, (PdfIndirectReference)kids[1]);
- top.put(PdfName.COUNT, new PdfNumber(((Integer)kids[2]).intValue()));
- addToBody(top, topRef);
- theCat.put(PdfName.OUTLINES, topRef);
- return theCat;
- }
- catch (IOException e) {
- throw new ExceptionConverter(e);
- }
- }
-
- /**
- * Sets the bookmarks. The list structure is defined in
- * <CODE>SimpleBookmark#</CODE>.
- * @param outlines the bookmarks or <CODE>null</CODE> to remove any
- */
- public void setOutlines(List outlines) {
- newBookmarks = outlines;
- }
-
- /**
- * Signals that the <CODE>Document</CODE> was closed and that no other
- * <CODE>Elements</CODE> will be added.
- * <P>
- * The pages-tree is built and written to the outputstream.
- * A Catalog is constructed, as well as an Info-object,
- * the referencetable is composed and everything is written
- * to the outputstream embedded in a Trailer.
- */
-
- public synchronized void close() {
- if (open) {
- PdfReaderInstance ri = currentPdfReaderInstance;
- pdf.close();
- super.close();
- if (ri != null) {
- try {
- ri.getReader().close();
- ri.getReaderFile().close();
- }
- catch (IOException ioe) {
- // empty on purpose
- }
- }
- }
- }
- PdfIndirectReference add(PdfImage pdfImage, PdfIndirectReference fixedRef) throws PdfException { return null; }
- public PdfIndirectReference add(PdfOutline outline) { return null; }
- public void addAnnotation(PdfAnnotation annot) { }
- PdfIndirectReference add(PdfPage page, PdfContents contents) throws PdfException { return null; }
-
- public void freeReader(PdfReader reader) throws IOException {
- indirectMap.remove(reader);
- if (currentPdfReaderInstance != null) {
- if (currentPdfReaderInstance.getReader() == reader) {
- try {
- currentPdfReaderInstance.getReader().close();
- currentPdfReaderInstance.getReaderFile().close();
- }
- catch (IOException ioe) {
- // empty on purpose
- }
- currentPdfReaderInstance = null;
- }
- }
- }
-}
\ No newline at end of file |