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diff --git a/src/main/java/com/lowagie/text/pdf/PRAcroForm.java b/src/main/java/com/lowagie/text/pdf/PRAcroForm.java
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--- a/src/main/java/com/lowagie/text/pdf/PRAcroForm.java
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-/*
- * $Id: PRAcroForm.java,v 1.35 2005/05/04 14:31:42 blowagie Exp $
- * $Name: $
- *
- * Copyright 2001, 2002 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.
- *
- * This class written by Mark Thompson, Copyright (C) 2002 by 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.ArrayList;
-import java.util.Iterator;
-import java.util.HashMap;
-
-/**
- * This class captures an AcroForm on input. Basically, it extends Dictionary
- * by indexing the fields of an AcroForm
- * @author Mark Thompson
- */
-
-public class PRAcroForm extends PdfDictionary {
-
- /**
- * This class holds the information for a single field
- */
- public static class FieldInformation {
- String name;
- PdfDictionary info;
- PRIndirectReference ref;
-
- FieldInformation(String name, PdfDictionary info, PRIndirectReference ref) {
- this.name = name; this.info = info; this.ref = ref;
- }
- public String getName() { return name; }
- public PdfDictionary getInfo() { return info; }
- public PRIndirectReference getRef() { return ref; }
- };
- ArrayList fields;
- ArrayList stack;
- HashMap fieldByName;
- PdfReader reader;
-
- /**
- * Constructor
- * @param reader reader of the input file
- */
- public PRAcroForm(PdfReader reader) {
- this.reader = reader;
- fields = new ArrayList();
- fieldByName = new HashMap();
- stack = new ArrayList();
- }
- /**
- * Number of fields found
- * @return size
- */
- public int size() {
- return fields.size();
- }
-
- public ArrayList getFields() {
- return fields;
- }
-
- public FieldInformation getField(String name) {
- return (FieldInformation)fieldByName.get(name);
- }
-
- /**
- * Given the title (/T) of a reference, return the associated reference
- * @param name a string containing the path
- * @return a reference to the field, or null
- */
- public PRIndirectReference getRefByName(String name) {
- FieldInformation fi = (FieldInformation)fieldByName.get(name);
- if (fi == null) return null;
- return fi.getRef();
- }
- /**
- * Read, and comprehend the acroform
- * @param root the docment root
- */
- public void readAcroForm(PdfDictionary root) {
- hashMap = root.hashMap;
- pushAttrib(root);
- PdfArray fieldlist = (PdfArray)PdfReader.getPdfObjectRelease(root.get(PdfName.FIELDS));
- iterateFields(fieldlist, null, null);
- }
-
- /**
- * After reading, we index all of the fields. Recursive.
- * @param fieldlist An array of fields
- * @param fieldDict the last field dictionary we encountered (recursively)
- * @param title the pathname of the field, up to this point or null
- */
- protected void iterateFields(PdfArray fieldlist, PRIndirectReference fieldDict, String title) {
- for (Iterator it = fieldlist.getArrayList().iterator(); it.hasNext();) {
- PRIndirectReference ref = (PRIndirectReference)it.next();
- PdfDictionary dict = (PdfDictionary) PdfReader.getPdfObjectRelease(ref);
-
- // if we are not a field dictionary, pass our parent's values
- PRIndirectReference myFieldDict = fieldDict;
- String myTitle = title;
- PdfString tField = (PdfString)dict.get(PdfName.T);
- boolean isFieldDict = tField != null;
-
- if (isFieldDict) {
- myFieldDict = ref;
- if (title == null) myTitle = tField.toString();
- else myTitle = title + '.' + tField.toString();
- }
-
- PdfArray kids = (PdfArray)dict.get(PdfName.KIDS);
- if (kids != null) {
- pushAttrib(dict);
- iterateFields(kids, myFieldDict, myTitle);
- stack.remove(stack.size() - 1); // pop
- }
- else { // leaf node
- if (myFieldDict != null) {
- PdfDictionary mergedDict = (PdfDictionary)stack.get(stack.size() - 1);
- if (isFieldDict)
- mergedDict = mergeAttrib(mergedDict, dict);
-
- mergedDict.put(PdfName.T, new PdfString(myTitle));
- FieldInformation fi = new FieldInformation(myTitle, mergedDict, myFieldDict);
- fields.add(fi);
- fieldByName.put(myTitle, fi);
- }
- }
- }
- }
- /**
- * merge field attributes from two dictionaries
- * @param parent one dictionary
- * @param child the other dictionary
- * @return a merged dictionary
- */
- protected PdfDictionary mergeAttrib(PdfDictionary parent, PdfDictionary child) {
- PdfDictionary targ = new PdfDictionary();
- if (parent != null) targ.putAll(parent);
-
- for (Iterator it = child.getKeys().iterator(); it.hasNext();) {
- PdfName key = (PdfName) it.next();
- if (key.equals(PdfName.DR) || key.equals(PdfName.DA) ||
- key.equals(PdfName.Q) || key.equals(PdfName.FF) ||
- key.equals(PdfName.DV) || key.equals(PdfName.V)
- || key.equals(PdfName.FT)
- || key.equals(PdfName.F)) {
- targ.put(key,child.get(key));
- }
- }
- return targ;
- }
- /**
- * stack a level of dictionary. Merge in a dictionary from this level
- */
- protected void pushAttrib(PdfDictionary dict) {
- PdfDictionary dic = null;
- if (stack.size() != 0) {
- dic = (PdfDictionary)stack.get(stack.size() - 1);
- }
- dic = mergeAttrib(dic, dict);
- stack.add(dic);
- }
-}