/*
* Created on 02-Jan-2005
* Created by Paul Gardner
* Copyright (C) 2004, 2005, 2006 Aelitis, All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* AELITIS, SAS au capital de 46,603.30 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/
package org.gudy.azureus2.pluginsimpl.local.utils.xml.rss;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import org.gudy.azureus2.core3.util.Debug;
/**
* @author parg
*
*/
public class
RSSUtils
{
public static Date
parseRSSDate(
String date_str )
{
try{
// see rfc822 [EEE,] dd MMM yyyy HH:mm::ss z
// assume 4 digit year
SimpleDateFormat format;
if ( date_str.indexOf( "," ) == -1 ){
format = new SimpleDateFormat("dd MMM yyyy HH:mm:ss z", Locale.US );
}else{
format = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss z", Locale.US );
}
return( format.parse( date_str ));
}catch( ParseException e ){
String[] fallbacks =
{
"dd MMM yyyy HH:mm:ss z", // As above but laxer
"EEE dd MMM yyyy HH:mm:ss z", // As above but laxer
"EEE MMM dd HH:mm:ss z yyyy", // Fri Sep 26 00:00:00 EDT 2008
"EEE MMM dd HH:mm z yyyy", // Fri Sep 26 00:00 EDT 2008
"EEE MMM dd HH z yyyy", // Fri Sep 26 00 EDT 2008
"yyyy-MM-dd HH:mm:ss", // 2009-02-08 22:56:45
"yyyy-MM-dd", // 2009-02-08
};
// remove commas as these keep popping up in silly places
date_str = date_str.replace( ',', ' ' );
// remove duplicate white space
date_str = date_str.replaceAll( "(\\s)+", " " );
for (int i=0;i<fallbacks.length;i++){
try{
return( new SimpleDateFormat(fallbacks[i], Locale.US ).parse( date_str ));
}catch( ParseException f ){
}
}
Debug.outNoStack( "RSSUtils: failed to parse RSS date: " + date_str );
return( null );
}
}
public static Date
parseAtomDate(
String date_str )
{
// full-time from http://tools.ietf.org/html/rfc3339 with T and Z
final String[] formats = {
"yyyy-MM-dd'T'kk:mm:ss'Z'",
"yyyy-MM-dd'T'kk:mm:ssz",
"yyyy-MM-dd'T'kk:mm:ssZ",
"yyyy-MM-dd'T'kk:mm:ss",
"yyyy-MM-dd'T'kk:mm'Z'",
"yyyy-MM-dd'T'kk:mmz",
"yyyy-MM-dd'T'kk:mmZ",
"yyyy-MM-dd'T'kk:mm",
"yyyy-MM-dd-hh:mm:ss a", // 2012-03-13-10:33:55 PM
};
for (int i=0;i<formats.length;i++){
try{
SimpleDateFormat format = new SimpleDateFormat( formats[i], Locale.US );
return( format.parse( date_str ));
}catch( ParseException e ){
// Debug.printStackTrace(e);
}
}
Debug.outNoStack( "RSSUtils: failed to parse Atom date: " + date_str );
return( null );
}
public static void
main(
String[] args )
{
System.out.println( parseRSSDate( "2013-08-11T18:30:00.000Z" ));
}
}