composer.java

java 开发的一个电子邮局,挺实用的

/* CVS ID: $Id: Composer.java,v 1.4 2000/09/13 10:35:22 wastl Exp $ */
import net.wastl.webmail.ui.html.*;
import net.wastl.webmail.ui.xml.*;
import net.wastl.webmail.ui.*;
import net.wastl.webmail.server.*;
import net.wastl.webmail.server.http.*;
import net.wastl.webmail.exceptions.*;

/*
 * Composer.java
 *
 * Created: Tue Sep  7 12:46:08 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.
 */
/**
 * Compose a message. This plugin will show the compose form and fill in
 * the necessary fields if this is a continued message
 *
 * @see FileAttacher
 *
 * provides: composer
 * requires: content bar
 *
 * Created: Tue Sep  7 12:46:08 1999
 *
 * @author Sebastian Schaffert
 * @version
 */

public class Composer implements Plugin, URLHandler {
    
    public static final String VERSION="1.3";
    public static final String URL="/compose";
    
    Storage store;

    public Composer() {
	
    }

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

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

    public String getDescription() {
	return "This plugin handles the composition of a message.";
    }

    public String getVersion() {
	return VERSION;
    }


    public String getURL() {
	return URL;
    }


    public HTMLDocument handleURL(String suburl, HTTPSession sess, HTTPRequestHeader header) throws WebMailException {
	HTMLDocument content;

	WebMailSession session=(WebMailSession)sess;
	UserData user=session.getUser();

	/* We were not continuing to edit a message, so we should delete the current draft! */
	if(!header.isContentSet("continue")) {

	    session.clearAttachments();
	    session.clearWork();

	    session.prepareCompose();

	    session.setEnv();
	}
	
	int mode=0;

	if(header.isContentSet("reply")) {
	    mode += WebMailSession.GETMESSAGE_MODE_REPLY;
	}
	if(header.isContentSet("forward")) {
	    mode += WebMailSession.GETMESSAGE_MODE_FORWARD;
	}
	if(mode>0) {
	    if(!header.isContentSet("folder-id") || !header.isContentSet("message-nr")) {
		/// XXX error handler TBD here!
		System.err.println("Error: no folder-id or message-nr in request for reply or forward!");
	    } else {
		String folderhash=header.getContent("folder-id");	  
		int msgnr=0;
		try {
		    msgnr=Integer.parseInt(header.getContent("message-nr"));
		} catch(NumberFormatException ex) {
		    /// XXX error handler TBD here!
		    System.err.println("MSGNR wrong in forward/reply!");
		}
		 
		try {
		    session.getMessage(folderhash,msgnr,mode);
		} catch(NoSuchFolderException ex) {
		    /// XXX error handler TBD here!
		}
	    }
	}

	return new XHTMLDocument(session.getModel(),
				 store.getStylesheet("compose.xsl",
						     user.getPreferredLocale(),user.getTheme()));
    }
  

    public String provides() {
	return "composer";
    }

    public String requires() {
	return "content bar";
    }
} // Composer