/*
* Copyright (c) 1998-2000 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source 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.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.web.webmail;
import com.caucho.util.CharBuffer;
import com.caucho.util.IntMap;
import com.caucho.vfs.Path;
import com.caucho.vfs.ReadStream;
import com.caucho.vfs.Vfs;
import com.caucho.vfs.WriteStream;
import javax.servlet.GenericServlet;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Locale;
public class WebmailServlet extends GenericServlet {
private boolean parseMail(ReadStream is, Path dst)
throws IOException
{
CharBuffer line = CharBuffer.allocate();
String topId = null;
int count = 1;
WriteStream ws = null;
IntMap messages = new IntMap();
try {
while (true) {
do {
line.clear();
if (! is.readLine(line)) {
if (ws != null)
ws.println("</message>");
return false;
}
if (ws != null && ! line.startsWith("From ")) {
for (int i = 0; i < line.length(); i++) {
char ch = line.charAt(i);
if (ch == '<')
ws.print("<");
else
ws.print(ch);
}
ws.println();
}
} while (! line.startsWith("From "));
if (ws != null) {
ws.println("</message>");
ws.close();
ws = null;
}
String date = null;
String subject = null;
String from = null;
String id = null;
String references = null;
do {
line.clear();
if (! is.readLine(line))
return false;
if (line.length() == 0)
break;
String lower = line.toString().toLowerCase(Locale.ENGLISH);
if (lower.startsWith("subject: ")) {
subject = line.substring("subject: ".length()).trim();
if (subject.toLowerCase(Locale.ENGLISH).startsWith("re:"))
subject = subject.substring(3).trim();
}
else if (lower.startsWith("from: ")) {
from = line.substring("from: ".length());
}
else if (lower.startsWith("date: ")) {
date = line.substring("from: ".length());
}
} while (line.length() > 0);
int index = messages.get(subject);
if (index >= 0) {
ws = dst.lookup("" + index + ".xtp").openAppend();
}
else {
if (subject != null && ! subject.equals(""))
messages.put(subject, count);
ws = dst.lookup("" + count++ + ".xtp").openWrite();
ws.println("<title>" + subject + "</title>");
}
ws.println("<em>" + from + "</em>");
ws.println("<date>" + date + "</date>");
ws.println("<message>");
}
} finally {
if (ws != null)
ws.close();
}
}
public void service(ServletRequest request, ServletResponse response)
throws ServletException, IOException
{
PrintWriter pw = response.getWriter();
Path path = Vfs.lookup("/home/ferg/majordomo/archive/resin-interest.0006");
Path dst = Vfs.lookup("/tmp/dst");
dst.mkdirs();
ReadStream is = path.openRead();
try {
parseMail(is, dst);
} finally {
is.close();
}
pw.println("done");
}
}