From 6025b6016517c6d898d8957d1d7e03ba71431912 Mon Sep 17 00:00:00 2001 From: tknall Date: Fri, 1 Dec 2006 12:20:24 +0000 Subject: Initial import of release 2.2. git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@4 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c --- src/main/java/com/lowagie/text/pdf/FdfReader.java | 214 ++++++++++++++++++++++ 1 file changed, 214 insertions(+) create mode 100644 src/main/java/com/lowagie/text/pdf/FdfReader.java (limited to 'src/main/java/com/lowagie/text/pdf/FdfReader.java') diff --git a/src/main/java/com/lowagie/text/pdf/FdfReader.java b/src/main/java/com/lowagie/text/pdf/FdfReader.java new file mode 100644 index 0000000..7a846fe --- /dev/null +++ b/src/main/java/com/lowagie/text/pdf/FdfReader.java @@ -0,0 +1,214 @@ +/* + * Copyright 2003 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.IOException; +import java.io.InputStream; +import java.util.HashMap; +import java.util.ArrayList; +import java.net.URL; +/** Reads an FDF form and makes the fields available + * @author Paulo Soares (psoares@consiste.pt) + */ +public class FdfReader extends PdfReader { + + HashMap fields; + String fileSpec; + PdfName encoding; + + /** Reads an FDF form. + * @param filename the file name of the form + * @throws IOException on error + */ + public FdfReader(String filename) throws IOException { + super(filename); + } + + /** Reads an FDF form. + * @param pdfIn the byte array with the form + * @throws IOException on error + */ + public FdfReader(byte pdfIn[]) throws IOException { + super(pdfIn); + } + + /** Reads an FDF form. + * @param url the URL of the document + * @throws IOException on error + */ + public FdfReader(URL url) throws IOException { + super(url); + } + + /** Reads an FDF form. + * @param is the InputStream containing the document. The stream is read to the + * end but is not closed + * @throws IOException on error + */ + public FdfReader(InputStream is) throws IOException { + super(is); + } + + protected void readPdf() throws IOException { + fields = new HashMap(); + try { + tokens.checkFdfHeader(); + rebuildXref(); + readDocObj(); + } + finally { + try { + tokens.close(); + } + catch (Exception e) { + // empty on purpose + } + } + readFields(); + } + + protected void kidNode(PdfDictionary merged, String name) { + PdfArray kids = (PdfArray)getPdfObject(merged.get(PdfName.KIDS)); + if (kids == null || kids.getArrayList().size() == 0) { + if (name.length() > 0) + name = name.substring(1); + fields.put(name, merged); + } + else { + merged.remove(PdfName.KIDS); + ArrayList ar = kids.getArrayList(); + for (int k = 0; k < ar.size(); ++k) { + PdfDictionary dic = new PdfDictionary(); + dic.merge(merged); + PdfDictionary newDic = (PdfDictionary)getPdfObject((PdfObject)ar.get(k)); + PdfString t = (PdfString)getPdfObject(newDic.get(PdfName.T)); + String newName = name; + if (t != null) + newName += "." + t.toUnicodeString(); + dic.merge(newDic); + dic.remove(PdfName.T); + kidNode(dic, newName); + } + } + } + + protected void readFields() throws IOException { + catalog = (PdfDictionary)getPdfObject(trailer.get(PdfName.ROOT)); + PdfDictionary fdf = (PdfDictionary)getPdfObject(catalog.get(PdfName.FDF)); + PdfString fs = (PdfString)getPdfObject(fdf.get(PdfName.F)); + if (fs != null) + fileSpec = fs.toUnicodeString(); + PdfArray fld = (PdfArray)getPdfObject(fdf.get(PdfName.FIELDS)); + if (fld == null) + return; + encoding = (PdfName)getPdfObject(fdf.get(PdfName.ENCODING)); + PdfDictionary merged = new PdfDictionary(); + merged.put(PdfName.KIDS, fld); + kidNode(merged, ""); + } + + /** Gets all the fields. The map is keyed by the fully qualified + * field name and the value is a merged PdfDictionary + * with the field content. + * @return all the fields + */ + public HashMap getFields() { + return fields; + } + + /** Gets the field dictionary. + * @param name the fully qualified field name + * @return the field dictionary + */ + public PdfDictionary getField(String name) { + return (PdfDictionary)fields.get(name); + } + + /** Gets the field value or null if the field does not + * exist or has no value defined. + * @param name the fully qualified field name + * @return the field value or null + */ + public String getFieldValue(String name) { + PdfDictionary field = (PdfDictionary)fields.get(name); + if (field == null) + return null; + PdfObject v = getPdfObject(field.get(PdfName.V)); + if (v == null) + return null; + if (v.isName()) + return PdfName.decodeName(((PdfName)v).toString()); + else if (v.isString()) { + PdfString vs = (PdfString)v; + if (encoding == null || vs.getEncoding() != null) + return vs.toUnicodeString(); + byte b[] = vs.getBytes(); + if (b.length >= 2 && b[0] == (byte)254 && b[1] == (byte)255) + return vs.toUnicodeString(); + try { + if (encoding.equals(PdfName.SHIFT_JIS)) + return new String(b, "SJIS"); + else if (encoding.equals(PdfName.UHC)) + return new String(b, "MS949"); + else if (encoding.equals(PdfName.GBK)) + return new String(b, "GBK"); + else if (encoding.equals(PdfName.BIGFIVE)) + return new String(b, "Big5"); + } + catch (Exception e) { + } + return vs.toUnicodeString(); + } + return null; + } + + /** Gets the PDF file specification contained in the FDF. + * @return the PDF file specification contained in the FDF + */ + public String getFileSpec() { + return fileSpec; + } +} \ No newline at end of file -- cgit v1.2.3