pdacomposeservlet.java

一个简单的java邮件系统

/*
 * @(#)PdaComposeServlet.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;
import oliva.mail.MailUtils;

public class PdaComposeServlet extends HttpServlet {

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

	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");
			  String msgno = request.getParameter("msgno");
			  String msguid = request.getParameter("msguid");  
			  String strPartNo = request.getParameter("partno");
			  int partno = -1;
			  if(strPartNo != null)
				partno = Integer.parseInt(strPartNo);    
			  String cp = request.getParameter("cp");

			  oliva.mail.SimpleMessage msg = null;
			  boolean isReply = false;
			  boolean isDelayed = false;
			  String fwdNo = null;			  
			  String newTo = null;
			  boolean initialLost = false;
			  
			  if(action != null) {
			    if(msgno != null) {
			      int iMsgNo = Integer.parseInt(msgno);

			      if(action.equalsIgnoreCase("reply")) {
				    	if(partno == -1) {
				    	  msg = myContext.mailBean.getReplyMessage(iMsgNo, msguid, cp, true);
				    	} else {
				    		msg = null;
							oliva.mail.Message message = myContext.getMessage(iMsgNo, msguid, null);
							if (message != null) {
								msg = myContext.mailBean.getReplyMessage(message.getRfc822Part(partno).apiMessage, cp, true);
							}    		  
				    	}		    
					    if(msg != null) {
					      msg.From = oliva.mail.MailUtils.getHtmlAddressList(msg.From, null);
					      msg.ReplyTo = oliva.mail.MailUtils.getHtmlAddressList(msg.ReplyTo, null);
					      msg.To = oliva.mail.MailUtils.getHtmlAddressList(msg.To, null);
					      msg.Cc = oliva.mail.MailUtils.getHtmlAddressList(msg.Cc, null);
				          if(msg.text != null) {
				            java.lang.StringBuffer sb = new java.lang.StringBuffer();
				            sb.append("\n\n\n-----Original Message-----\nFrom: " + msg.From +
				                      "\nSent: " + oliva.common.OlivaUtils.getDateString(msg.sentDate, myContext.lang, myContext.getI18nString("_settings.dateFormat")) +
				                      "\nTo: " + msg.To);
				            if(msg.Cc.length() != 0)
				              sb.append("\nCc: " + msg.Cc);
				            sb.append("\nSubject: " + msg.Subject + "\n\n");
				            sb.append(msg.text);
				            msg.text = sb.toString();
				          }
				          msg.Subject = MailUtils.getPrefixedSubject(msg.Subject, "Re");          
				          isReply = true;
				        } else
				          initialLost = true;
				      }
				      
				      if(action.equalsIgnoreCase("forward")) {
						  if(partno == -1) {
							  msg = myContext.mailBean.getReplyMessage(iMsgNo, msguid, cp, false);
						  } else {
							  msg = null;
							  oliva.mail.Message message = myContext.getMessage(iMsgNo, msguid, null);
				    		  if(message != null) {
				    			  msg = myContext.mailBean.getReplyMessage(message.getRfc822Part(partno).apiMessage, cp, false);
				    		  }    		  
						  }		    	  
						  if(msg != null) {
					  	    msg.Subject = MailUtils.getPrefixedSubject(msg.Subject, "Fwd");
							fwdNo = String.valueOf(iMsgNo);
					      } else
					        initialLost = true;		  
					  }      
					}
			    
			    if(action.equalsIgnoreCase("new")) {
			        newTo = request.getParameter("to");
				if(newTo != null)
				    newTo = oliva.common.OlivaUtils.getStringInternals(newTo, Context.clntCp);
			    }
			    
			    if (action.equalsIgnoreCase("delayed")) {
					msg = myContext.getDelayedMessage();
					if (msg != null) {
						isDelayed = true;
						myContext.emptyDelayedMessage();
					}
				}
			  }

			  if(newTo == null) 
				  newTo = "";

			    PdaPage pdaPage = new PdaPage();
			    pdaPage.setTitle(myContext.getI18nString("_str_compose_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_compose_title") + "</strong></font>");
			    pdaPage.addPane(pdaPane);		    
			    
			    //Menu
			    StringBuffer sb = new StringBuffer();
			    sb.append("<font size=\"3\">");
			    sb.append("<a href=\"javascript:{history.back();}\">").append(myContext.getI18nString("_str_back")).append("</a>&nbsp; &nbsp;");
			    sb.append("<a href=\"./pda_list?pg=-1").append("\">").append(myContext.getI18nString("_str_receive")).append("</a>&nbsp; &nbsp;");
			    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
			sb = new StringBuffer();
			if (initialLost) {
				sb.append("<font size=\"3\" color=\"red\">").append(
						myContext.getI18nString("_str_msg_lost")).append(
						"</font>");
			}
			if (!initialLost && myContext._hints_enabled) {
				String composeHint = null;
				if (fwdNo != null) {
					composeHint = "_str_hint_forward";
				} else {
					composeHint = "_str_hint_save_copy";
/*					
					composeHint = myContext.strings.getProperty("compose_hint");
					if (composeHint == null) {
						myContext.strings.setProperty("compose_hint",
								"_str_hint_save_copy");
						composeHint = "_str_hint_save_copy";
					} else if (composeHint.equals("_str_hint_as_unicode")) {
						myContext.strings.setProperty("compose_hint",
								"_str_hint_save_copy");
						composeHint = "_str_hint_save_copy";
					} else {
						myContext.strings.setProperty("compose_hint",
								"_str_hint_as_unicode");
						composeHint = "_str_hint_as_unicode";
					}
*/					
				}
				sb.append("<font size=\"3\" color=\"#000066\">").append(
						myContext.getI18nString(composeHint)).append("</font>");
			}

			pdaPane = new PdaPane();