import net.wastl.webmail.server.*;import net.wastl.webmail.server.http.*;import net.wastl.webmail.ui.html.*;import net.wastl.webmail.ui.xml.*;import net.wastl.webmail.exceptions.*;import java.util.Locale;/* * ImageHandler.java * * Created: Mon Mar 27 23:15:41 2000 * * Copyright (C) 2000 Sebastian Schaffert *  * 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. *//** * This plugin passes through data without doing any processing. It can be used for images  * or other binary/text data by calling http://yourhost/mountpoint/webmail/passthrough/<file> * * @author Sebastian Schaffert * @version */public class PassThroughPlugin implements Plugin, URLHandler  {            public static final String VERSION="1.0";    public static final String URL="/passthrough";    Storage store;    WebMailServer parent;    public PassThroughPlugin() {	    }    public void register(WebMailServer parent) {	parent.getURLHandler().registerHandler(URL,this);	store=parent.getStorage();	this.parent=parent;    }    public String getName() {	return "PassThroughPlugin";    }    public String getDescription() {	return "Pass though any kind of data to the browser";    }    public String getVersion() {	return VERSION;    }    public String getURL() {	return URL;    }    public HTMLDocument handleURL(String suburl, HTTPSession session, HTTPRequestHeader header) throws WebMailException {	//System.err.println(header);	if(session == null || session instanceof AdminSession) {	    //throw new WebMailException("No session was given. If you feel this is incorrect, please contact your system administrator");	    //System.err.println("Sending "+suburl.substring(1)+" to unknown user ");	    // Modified by exce, start	    /**	     * If we just use JVM's default locale, no matter what user's locale	     * is, we always send webmail.css of JVM's default locale.	     *	     * By using WebMailServer's default locale instead of JVM's,	     * when responsing the login screen, we are able to pass through 	     * webmail.css depending on user's locale.	     */	    // return new HTMLImage(store,suburl.substring(1),Locale.getDefault(),"default");	    return new HTMLImage(store, suburl.substring(1), WebMailServer.getDefaultLocale(), parent.getProperty("webmail.default.theme"));	    // Modified by exce, end	} else {	    UserData data=((WebMailSession)session).getUser();	    //System.err.println("Sending "+suburl.substring(1)+" to user "+data.getLogin());	    return new HTMLImage(store,suburl.substring(1),data.getPreferredLocale(),data.getTheme());	}    }    public String provides() {	return "passthrough";    }    public String requires() {	return "";    }    } // ImageHandler