pdamessageservlet.java

一个简单的java邮件系统

/*
 * @(#)PdaMessageServlet.java
 *
 * Copyright (C) 2006 Sergey Bredikhin
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package olivax.webmail;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import oliva.common.OlivaUtils;

public class PdaMessageServlet extends HttpServlet {

	static final long serialVersionUID = 1675075694621323211L;	
	
	public PdaMessageServlet() {
	}

	public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		PrintWriter out = null;
		try {
			request.setCharacterEncoding(Context.clntCp);
			response.setContentType("text/html; charset=" + Context.clntCp);			
			out = response.getWriter();
			HttpSession session = request.getSession();
			Context myContext = (Context) session.getAttribute("myContext");
			if(myContext == null) {
				myContext = new Context();
				session.setAttribute("myContext", myContext);
			}			
			if(!myContext.isLoggedIn()) {
				Context.forward(this, request, response, "/pda_logon"); 
			}
			myContext.setNoCache(response);
			
			// Get parameters
			String action = request.getParameter("action");
			int msgno = Integer.parseInt(request.getParameter("msgno"));
			//int nextno = Integer.parseInt(request.getParameter("nextno"));
			String msguid = request.getParameter("msguid");
			if (msguid == null)
				msguid = "";
			String strPartNo = request.getParameter("partno");
			int partno = -1;
			if (strPartNo != null)
				partno = Integer.parseInt(strPartNo);
			boolean showPics = false;
			if (oliva.common.OlivaUtils.nvl(request.getParameter("shpics"))
					.equalsIgnoreCase("true"))
				showPics = true;
			boolean picsHided = false;
			// perform action if any
			if (action != null) {
				if (action.equalsIgnoreCase("delete")) {
					myContext.mailBean.deleteMessage(msgno, msguid);
					Context.forward(this, request, response,
							"/pda_message?action=none&msgno="
									+ request.getParameter("nextno") + 
									"&msguid=&partno=-1");
					return;
				}
			}
			oliva.mail.Message msg = null;
			if (partno == -1) {
				msg = myContext.getMessageNoCache(msgno, msguid, request
						.getParameter("cp"));
			} else {
				msg = myContext.getMessage(msgno, msguid, request
						.getParameter("cp"));
				if (msg != null) {
					msg = msg.getRfc822Part(partno);
					if (msg != null) {
						msg.msgNo = msgno;
						msg.UID = msguid;
					}
				}
			}
			if (msg == null) {
				Context.forward(this, request, response, "/list");
				return;
			}
			msguid = msg.UID;
			//String FromAddr = msg.From.replaceAll("\"|'|`", "");
/*			
		    if (partno != -1) {
		    	msg.pgNo = Integer.parseInt(request.getParameter("ppgno")); 
		    }
*/		    

		    PdaPage pdaPage = new PdaPage();
		    pdaPage.setTitle(myContext.getI18nString("_str_msg_title"));
		    
		    //Logo		    		    
		    pdaPage.addPane(myContext.getPdaLogo());
		    
		    //Title
		    PdaPane pdaPane = new PdaPane();
		    pdaPane.setColor(PdaPane.COLOR_CCCCCC);
		    pdaPane.setHeight("20");
		    pdaPane.setContent("<font size=\"3\" face=\"arial, tahoma, verdana\"><strong>" +
		    		myContext.getI18nString("_str_msg_title") + "</strong></font>");
		    pdaPage.addPane(pdaPane);		    
		    
		    //Menu
		    StringBuffer sb = new StringBuffer();
		    sb.append("<font size=\"3\">");
		    sb.append("<a href=\"./pda_compose\">").append(myContext.getI18nString("_str_compose")).append("</a>&nbsp; &nbsp;");
		    sb.append("<a href=\"./pda_list?pg=").append(String.valueOf(msg.pgNo)).append("\">").append(myContext.getI18nString("_str_inbox")).append("</a>&nbsp; &nbsp;");		    		    
		    if (partno != -1) {
				sb.append("<a href=\"./pda_message?msgno=").append(msg.msgNo)
						.append("&msguid=").append(msguid).append(
						/* "&partno=" + request.getParameter("ppno")).append( */
						"\">").append(
								myContext.getI18nString("_str_parent")).append(
								"</a>&nbsp; &nbsp;\r\n");
			} else {
				if (msg.next == -1) {
					sb.append(myContext.getI18nString("_str_prev")).append(
							"&nbsp; &nbsp;");
				} else {
					sb.append("<a href=\"./pda_message?msgno=").append(
							String.valueOf(msg.next)).append("\">").append(
							myContext.getI18nString("_str_prev")).append(
							"</a>&nbsp; &nbsp;");
				}
				if (msg.prev == -1) {
					sb.append(myContext.getI18nString("_str_next")).append(
							"&nbsp; &nbsp;");
				} else {
					sb.append("<a href=\"./pda_message?msgno=").append(
							String.valueOf(msg.prev)).append("\">").append(
							myContext.getI18nString("_str_next")).append(
							"</a>&nbsp; &nbsp;");
				}
			}		    
		    sb.append("<a href=\"./pda_compose?action=reply&msgno=").append(msg.msgNo)
	    		.append("&msguid=").append(msguid).append("&cp=").append(OlivaUtils.nvl(msg.cp))
	    		.append("&partno=").append(partno).append("\">")
	    		.append(myContext.getI18nString("_str_reply")).append("</a>&nbsp; &nbsp;\r\n");
		    sb.append("<a href=\"./pda_compose?action=forward&msgno=").append(msg.msgNo)
		    	.append("&msguid=").append(msguid).append("&cp=").append(OlivaUtils.nvl(msg.cp)).append("&partno=")
		    	.append(partno).append("\">").append(myContext.getI18nString("_str_forward"))
		    	.append("</a>&nbsp; &nbsp;\r\n");		    
		    if(partno == -1) {
		    	int nextno = msg.msgNo;
				if (msg.next != -1)
					nextno = msg.next;
				else if (msg.prev != -1)
					nextno = msg.prev;
		    	sb.append("<a onClick=\"javascript:{action1 = confirm('")
		    	.append(myContext.getI18nString("_str_msg_delete_conf"))
		    	.append("'); if(action1 == '0') return false;}\" href=\"./pda_message?msgno=")
		    	.append(msg.msgNo).append("&msguid=").append(msguid)
		    	.append("&nextno=").append(nextno).append("&action=delete\">")
		    	.append(myContext.getI18nString("_str_delete")).append("</a>&nbsp; &nbsp;\r\n");
		    }		    
		    sb.append("<a href=\"./pda_logon?action=logout\">").append(myContext.getI18nString("_str_exit")).append("</a>&nbsp; &nbsp;");
		    sb.append("</font>");
		    
		    PdaPane menuPane = new PdaPane();
		    menuPane.setColor(PdaPane.COLOR_FFFFFF);
		    menuPane.setContent(sb.toString());
		    pdaPage.addPane(menuPane);		    		    
			
		    //Hint
		    String notifyAddress = myContext.mailBean.getCoder().getPartHeader(
		    	    msg.apiMessage, "Disposition-Notification-To", msg.cp);
		    if (notifyAddress != null && !notifyAddress.equals("")) {		    	
		    	pdaPane = new PdaPane();
		    	pdaPane.setColor(WebPane.COLOR_CCCCCC);
			    sb = new StringBuffer();
			    sb.append("<font size=\"3\" color=\"#ffff00\" face=\"Arial, Verdana, Tahoma\"><strong><a onClick=\"javascript:{action1 = confirm('")
			    		.append(myContext.getI18nString("_str_notify_conf")).append("'); if(action1 == '0') return false;}\" href=\"./pda_send?action=notify&msgno=")
			    		.append(msg.msgNo).append("&msguid=").append(msguid).append("&cp=")
			    		.append(OlivaUtils.nvl(msg.cp)).append("&partno=").append(partno)
			    		.append("\">").append(notifyAddress).append("</a> ")
			    		.append(myContext.getI18nString("_str_notify_requested")).append("</strong></font>");
			    pdaPane.setContent(sb.toString());
			    pdaPage.addPane(pdaPane);		    			    
		    }					    
		    
			// Main page
		    sb = new StringBuffer();
		    sb.append("<table cellSpacing=\"1\" cellPadding=\"3\" width=\"100%\" bgColor=\"#999999\" border=\"0\">");
		      sb.append("<tr><td bgColor=\"#ccccff\"><font size=\"3\"><strong>").append(myContext.getI18nString("_str_msg_from")).append("</strong> ").append(oliva.mail.MailUtils.getHtmlAddressList(msg.From, myContext.getI18nString("_settings.mailto_url")).replaceAll("/compose\\?", "/pda_compose?")).append("</font></td></tr>");
		      sb.append("<tr><td bgColor=\"#ccccff\"><font size=\"3\"><strong>").append(myContext.getI18nString("_str_msg_to")).append("</strong> ").append(oliva.mail.MailUtils.getHtmlAddressList(msg.To, myContext.getI18nString("_settings.mailto_url")).replaceAll("/compose\\?", "/pda_compose?")).append("</font></td></tr>");
		      sb.append("<tr><td bgColor=\"#ccccff\"><font size=\"3\"><strong>").append(myContext.getI18nString("_str_msg_subject")).append("</strong> ").append(msg.Subject).append("</font></td></tr>");
		    if(msg.messageParts != null) {		        
		       java.lang.StringBuffer sbAtt = new java.lang.StringBuffer();
		       int attNo = 0;
		       for(java.util.Enumeration en = msg.messageParts.elements(); en.hasMoreElements();) {