hmtlcontentbar.java

java 开发的一个电子邮局,挺实用的

/* CVS ID: $Id: HMTLContentBar.java,v 1.3 2000/09/13 10:35:22 wastl Exp $ */
import java.util.*;
import net.wastl.webmail.ui.*;
import net.wastl.webmail.ui.html.*;
import net.wastl.webmail.ui.xml.*;
import net.wastl.webmail.server.*;
import net.wastl.webmail.server.http.HTTPRequestHeader;
import net.wastl.webmail.misc.*;
import net.wastl.webmail.exceptions.*;
import gnu.regexp.*;

/*
 * HMTLContentBar.java
 *
 * Created: Wed Sep  1 13:08:11 1999
 *
 * Copyright (C) 1999-2000 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.
 */
/**
 * The content bar on the left.
 *
 * provides: content bar
 * requires:
 *
 * @author Sebastian Schaffert
 * @version
 */

public class HMTLContentBar implements ContentBar, Plugin, URLHandler {
    
    public static final String VERSION="1.1";
    public static final String URL="/content";

    String template;
    String bar;
    ContentProviderHeap providers;
    Storage store;

    public HMTLContentBar() {
	providers=new ContentProviderHeap(20);
    }
    

    public void register(WebMailServer parent) {
	this.store=parent.getStorage();
	parent.setContentBar(this);
	parent.getURLHandler().registerHandler(URL,this);
    }

    public String getVersion() {
	return VERSION;
    }

    public String getName() {
	return "ContentBar";
    }

    public String getDescription() {
	return "This is the content-bar on the left frame in the mailbox window. "+
	    "ContentProviders register with this content-bar to have a link and an icon added.";
    }

    public String getURL() {
	return URL;
    }

    public void registerContentItem(ContentProvider provider) {
	providers.insert(provider);
	initBar();
    }

    protected void initBar() {
	bar="";
	ContentProviderHeap tmp=providers.getClone();
	while(!tmp.isEmpty()) {
	    ContentProvider c=tmp.next();
	    bar+="<A HREF=\"<<BASE>>/SESS-<<SESSION>>"+c.getURL()+"\" TARGET=\""+c.getTarget()+"\" onMouseOver=\"self.status='"+
		c.getDescription()+"';\"><IMG SRC=\"<<BASE>>"+c.getIconPath()+"\" BORDER=0 ALT=\""+c.getName()+"\"></A></BR>";
	}
    }
    
    public HTMLDocument handleURL(String suburl, HTTPSession session, HTTPRequestHeader header) throws WebMailException {
	if(session == null) {
	    throw new WebMailException("No session was given. If you feel this is incorrect, please contact your system administrator");
	}
	WebMailSession sess=(WebMailSession)session;
// 	if(store != null) {
// 	    template=store.getTextFile(store.getStringResource("content",sess.getLocale()),sess.getLocale());
// 	    try {
// 		RE regexp2=new RE("<<CONTENTBAR>>",RE.REG_ICASE & RE.REG_MULTILINE);
// 		REMatch[] matches=regexp2.getAllMatches(template);
// 		for(int i=0;i<matches.length;i++) {	    
// 		    template=regexp2.substitute(template,bar,0);
// 		}
// 	    } catch(Exception ex) {}
	    
// 	    return new HTMLParsedDocument(sess,template);
// 	} else {
// 	    return null;
// 	}
	UserData user=sess.getUser();
	return new XHTMLDocument(session.getModel(),store.getStylesheet("navbar.xsl",user.getPreferredLocale(),user.getTheme()));
    }

    public String provides() {
	return "content bar";
    }

    public String requires() {
	return "";
    }

} // HMTLContentBar