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/XfdfReader.java | 208 +++++++++++++++++++++ 1 file changed, 208 insertions(+) create mode 100644 src/main/java/com/lowagie/text/pdf/XfdfReader.java (limited to 'src/main/java/com/lowagie/text/pdf/XfdfReader.java') diff --git a/src/main/java/com/lowagie/text/pdf/XfdfReader.java b/src/main/java/com/lowagie/text/pdf/XfdfReader.java new file mode 100644 index 0000000..e3a7067 --- /dev/null +++ b/src/main/java/com/lowagie/text/pdf/XfdfReader.java @@ -0,0 +1,208 @@ +/* + * + * Copyright 2004 by Leonard Rosenthol. + * + * 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.ByteArrayInputStream; +import java.io.IOException; +import java.io.FileInputStream; +import java.util.HashMap; +import java.util.Stack; + +/** + * Reads a XFDF. + * @author Leonard Rosenthol (leonardr@pdfsages.com) + */ +public class XfdfReader implements SimpleXMLDocHandler { + // stuff used during parsing to handle state + private boolean foundRoot = false; + private Stack fieldNames = new Stack(); + private Stack fieldValues = new Stack(); + + // storage for the field list and their values + HashMap fields; + + // storage for the path to referenced PDF, if any + String fileSpec; + + /** Reads an XFDF form. + * @param filename the file name of the form + * @throws IOException on error + */ + public XfdfReader(String filename) throws IOException { + FileInputStream fin = null; + try { + fin = new FileInputStream(filename); + SimpleXMLParser.parse(this, fin); + } + finally { + try{fin.close();}catch(Exception e){} + } + } + + /** Reads an XFDF form. + * @param xfdfIn the byte array with the form + * @throws IOException on error + */ + public XfdfReader(byte xfdfIn[]) throws IOException { + SimpleXMLParser.parse( this, new ByteArrayInputStream(xfdfIn)); + } + + /** 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 value. + * @param name the fully qualified field name + * @return the field's value + */ + public String getField(String name) { + return (String)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) { + String field = (String)fields.get(name); + if (field == null) + return null; + else + return field; + } + + /** Gets the PDF file specification contained in the FDF. + * @return the PDF file specification contained in the FDF + */ + public String getFileSpec() { + return fileSpec; + } + + /** + * Called when a start tag is found. + * @param tag the tag name + * @param h the tag's attributes + */ + public void startElement(String tag, HashMap h) + { + if ( !foundRoot ) { + if (!tag.equals("xfdf")) + throw new RuntimeException("Root element is not Bookmark."); + else + foundRoot = true; + } + + if ( tag.equals("xfdf") ){ + + } else if ( tag.equals("f") ) { + fileSpec = (String)h.get( "href" ); + } else if ( tag.equals("fields") ) { + fields = new HashMap(); // init it! + } else if ( tag.equals("field") ) { + String fName = (String) h.get( "name" ); + fieldNames.push( fName ); + } else if ( tag.equals("value") ) { + fieldValues.push( "" ); + } + } + /** + * Called when an end tag is found. + * @param tag the tag name + */ + public void endElement(String tag) { + if ( tag.equals("value") ) { + String fName = ""; + for (int k = 0; k < fieldNames.size(); ++k) { + fName += "." + (String)fieldNames.elementAt(k); + } + if (fName.startsWith(".")) + fName = fName.substring(1); + String fVal = (String) fieldValues.pop(); + fields.put( fName, fVal ); + } + else if (tag.equals("field") ) { + if (!fieldNames.isEmpty()) + fieldNames.pop(); + } + } + + /** + * Called when the document starts to be parsed. + */ + public void startDocument() + { + fileSpec = new String(""); // and this too... + } + /** + * Called after the document is parsed. + */ + public void endDocument() + { + + } + /** + * Called when a text element is found. + * @param str the text element, probably a fragment. + */ + public void text(String str) + { + if (fieldNames.isEmpty() || fieldValues.isEmpty()) + return; + + String val = (String)fieldValues.pop(); + val += str; + fieldValues.push(val); + } +} \ No newline at end of file -- cgit v1.2.3