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168
iTechSharp/iTextSharp/text/rtf/document/RtfInfoElement.cs
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168
iTechSharp/iTextSharp/text/rtf/document/RtfInfoElement.cs
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using System;
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using System.IO;
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using iTextSharp.text;
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using iTextSharp.text.rtf;
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/*
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* $Id: RtfInfoElement.cs,v 1.6 2008/05/16 19:30:51 psoares33 Exp $
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*
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*
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* Copyright 2003, 2004 by Mark Hall
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* (the "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the License.
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*
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* The Original Code is 'iText, a free JAVA-PDF library'.
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*
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* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
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* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
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* All Rights Reserved.
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* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
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* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
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*
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* Contributor(s): all the names of the contributors are added in the source code
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* where applicable.
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*
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* Alternatively, the contents of this file may be used under the terms of the
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* LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the
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* provisions of LGPL are applicable instead of those above. If you wish to
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* allow use of your version of this file only under the terms of the LGPL
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* License and not to allow others to use your version of this file under
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* the MPL, indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by the LGPL.
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* If you do not delete the provisions above, a recipient may use your version
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* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the MPL as stated above or under the terms of the GNU
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* Library General Public License as published by the Free Software Foundation;
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* either version 2 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
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* details.
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*
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* If you didn't download this code from the following link, you should check if
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* you aren't using an obsolete version:
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* http://www.lowagie.com/iText/
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*/
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namespace iTextSharp.text.rtf.document {
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/**
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* Stores one information group element. Valid elements are
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* author, title, subject, keywords, producer and creationdate.
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*
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* @version $Id: RtfInfoElement.cs,v 1.6 2008/05/16 19:30:51 psoares33 Exp $
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* @author Mark Hall (Mark.Hall@mail.room3b.eu)
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* @author Thomas Bickel (tmb99@inode.at)
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*/
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public class RtfInfoElement : RtfElement {
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/**
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* Constant for the author element
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*/
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private static byte[] INFO_AUTHOR = DocWriter.GetISOBytes("\\author");
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/**
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* Constant for the subject element
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*/
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private static byte[] INFO_SUBJECT = DocWriter.GetISOBytes("\\subject");
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/**
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* Constant for the keywords element
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*/
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private static byte[] INFO_KEYWORDS = DocWriter.GetISOBytes("\\keywords");
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/**
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* Constant for the title element
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*/
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private static byte[] INFO_TITLE = DocWriter.GetISOBytes("\\title");
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/**
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* Constant for the producer element
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*/
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private static byte[] INFO_PRODUCER = DocWriter.GetISOBytes("\\operator");
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/**
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* Constant for the creationdate element
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*/
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private static byte[] INFO_CREATION_DATE = DocWriter.GetISOBytes("\\creationdate");
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/**
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* The type of this RtfInfoElement. The values from Element.INFO_ELEMENT_NAME are used.
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*/
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private int infoType = -1;
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/**
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* The content of this RtfInfoElement
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*/
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private String content = "";
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/**
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* Constructs a RtfInfoElement based on the given Meta object
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*
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* @param doc The RtfDocument this RtfInfoElement belongs to
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* @param meta The Meta object this RtfInfoElement is based on
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*/
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public RtfInfoElement(RtfDocument doc, Meta meta) : base(doc) {
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infoType = meta.Type;
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content = meta.Content;
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}
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/**
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* Writes the content of one RTF information element.
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*/
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public override void WriteContent(Stream result) {
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result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
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switch (infoType) {
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case Element.AUTHOR:
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result.Write(INFO_AUTHOR, 0, INFO_AUTHOR.Length);
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break;
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case Element.SUBJECT:
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result.Write(INFO_SUBJECT, 0, INFO_SUBJECT.Length);
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break;
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case Element.KEYWORDS:
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result.Write(INFO_KEYWORDS, 0, INFO_KEYWORDS.Length);
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break;
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case Element.TITLE:
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result.Write(INFO_TITLE, 0, INFO_TITLE.Length);
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break;
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case Element.PRODUCER:
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result.Write(INFO_PRODUCER, 0, INFO_PRODUCER.Length);
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break;
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case Element.CREATIONDATE:
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result.Write(INFO_CREATION_DATE, 0, INFO_CREATION_DATE.Length);
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break;
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default:
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result.Write(INFO_AUTHOR, 0, INFO_AUTHOR.Length);
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break;
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}
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result.Write(DELIMITER, 0, DELIMITER.Length);
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byte[] t;
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if (infoType == Element.CREATIONDATE) {
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t = DocWriter.GetISOBytes(ConvertDate(content));
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result.Write(t, 0, t.Length);
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} else {
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document.FilterSpecialChar(result, content, false, false);
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}
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result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
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}
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/**
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* Converts a date from the format used by iText to the format required by
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* rtf.<br>iText: EEE MMM dd HH:mm:ss zzz yyyy - rtf: \\'yr'yyyy\\'mo'MM\\'dy'dd\\'hr'HH\\'min'mm\\'sec'ss
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*
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* @param date The date formated by iText
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* @return The date formated for rtf
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*/
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private String ConvertDate(String date) {
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DateTime d;
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try {
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d = DateTime.Parse(date);
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} catch {
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d = DateTime.Now;
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}
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return d.ToString("'\\\\yr'yyyy'\\\\mo'MM'\\\\dy'dd'\\\\hr'HH'\\\\min'mm'\\\\sec'ss");
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}
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}
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}
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