com.lowagie.text.rtf.document.RtfInfoElement Maven / Gradle / Ivy
/*
* $Id: RtfInfoElement.java 3580 2008-08-06 15:52:00Z howard_s $
*
* Copyright 2003, 2004 by Mark Hall
*
* 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.rtf.document;
import java.io.IOException;
import java.io.OutputStream;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import com.lowagie.text.DocWriter;
import com.lowagie.text.Meta;
import com.lowagie.text.rtf.RtfElement;
/**
* Stores one information group element. Valid elements are
* author, title, subject, keywords, producer and creationdate.
*
* @version $Id: RtfInfoElement.java 3580 2008-08-06 15:52:00Z howard_s $
* @author Mark Hall ([email protected])
* @author Thomas Bickel ([email protected])
*/
public class RtfInfoElement extends RtfElement {
/**
* Constant for the author element
*/
private static final byte[] INFO_AUTHOR = DocWriter.getISOBytes("\\author");
/**
* Constant for the subject element
*/
private static final byte[] INFO_SUBJECT = DocWriter.getISOBytes("\\subject");
/**
* Constant for the keywords element
*/
private static final byte[] INFO_KEYWORDS = DocWriter.getISOBytes("\\keywords");
/**
* Constant for the title element
*/
private static final byte[] INFO_TITLE = DocWriter.getISOBytes("\\title");
/**
* Constant for the producer element
*/
private static final byte[] INFO_PRODUCER = DocWriter.getISOBytes("\\operator");
/**
* Constant for the creationdate element
*/
private static final byte[] INFO_CREATION_DATE =DocWriter.getISOBytes( "\\creationdate");
/**
* The type of this RtfInfoElement. The values from Element.INFO_ELEMENT_NAME are used.
*/
private int infoType = -1;
/**
* The content of this RtfInfoElement
*/
private String content = "";
/**
* Constructs a RtfInfoElement based on the given Meta object
*
* @param doc The RtfDocument this RtfInfoElement belongs to
* @param meta The Meta object this RtfInfoElement is based on
*/
public RtfInfoElement(RtfDocument doc, Meta meta) {
super(doc);
infoType = meta.type();
content = meta.getContent();
}
/**
* Writes the content of one RTF information element.
*/
public void writeContent(final OutputStream result) throws IOException
{
result.write(OPEN_GROUP);
switch(infoType) {
case Meta.AUTHOR:
result.write(INFO_AUTHOR);
break;
case Meta.SUBJECT:
result.write(INFO_SUBJECT);
break;
case Meta.KEYWORDS:
result.write(INFO_KEYWORDS);
break;
case Meta.TITLE:
result.write(INFO_TITLE);
break;
case Meta.PRODUCER:
result.write(INFO_PRODUCER);
break;
case Meta.CREATIONDATE:
result.write(INFO_CREATION_DATE);
break;
default:
result.write(INFO_AUTHOR);
break;
}
result.write(DELIMITER);
if(infoType == Meta.CREATIONDATE) {
result.write(DocWriter.getISOBytes(convertDate(content)));
} else {
document.filterSpecialChar(result, content, false, false);
}
result.write(CLOSE_GROUP);
}
/**
* Converts a date from the format used by iText to the format required by
* rtf.
iText: EEE MMM dd HH:mm:ss zzz yyyy - rtf: \\'yr'yyyy\\'mo'MM\\'dy'dd\\'hr'HH\\'min'mm\\'sec'ss
*
* @param date The date formated by iText
* @return The date formated for rtf
*/
private String convertDate(String date) {
SimpleDateFormat sdf = new SimpleDateFormat("EEE MMM dd HH:mm:ss zzz yyyy");
try {
Date creationDate = sdf.parse(date);
sdf = new SimpleDateFormat("\\'yr'yyyy\\'mo'MM\\'dy'dd\\'hr'HH\\'min'mm\\'sec'ss");
return sdf.format(creationDate);
} catch(ParseException pe) {
pe.printStackTrace();
return "";
}
}
}