apps.email
Class EmailServlet

java.lang.Object
  |
  +--javax.servlet.GenericServlet
        |
        +--javax.servlet.http.HttpServlet
              |
              +--apps.email.EmailServlet

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public final class EmailServlet

extends javax.servlet.http.HttpServlet

Receives requests from various Java Server Pages. Handles: user login, displaying, sending, forwarding, deleting, and recording of a message.

See Also:

Serialized Form

Constructor Summary

EmailServlet()

Method Summary

void	destroy() Called before the servlet is unloaded.
void	doCompose(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Records a new message.
void	doDisplayMessage(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Displays the content of the message associated with the current request.
void	doForward(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Records a new message as a first step in forwading a message.
void	doForwardMsg(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, java.lang.String email, java.lang.String fullFileName, int msgnum) Forwards a message
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Handles a HTTP GET request.
void	doLogin(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Processes a user login request.
void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Processes an HttpServletRequest that encapsulates the request to the servlet.
void	doRecord(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Records a message.
void	doReply(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, int msgnum, java.lang.String fullFileName) Sends a reply to a message.
void	doSendMessage(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, java.lang.String email, java.lang.String fullFileName, int msgnum) Sends a new message.
void	init() Invoked when the servlet is first loaded.
void	printMsgs(java.util.ArrayList msgs) printMsgs prints subject of messages.

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doOptions, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EmailServlet

public EmailServlet()

Method Detail

init

public final void init()
                throws javax.servlet.ServletException

Invoked when the servlet is first loaded. Initializes servlet configuration information. Creates an instance of a TextProcessor and DeleteFilesThread. Starts the thread.

Overrides:

init in class javax.servlet.GenericServlet

destroy

public final void destroy()

Called before the servlet is unloaded. Stops the DeleteFilesThread that was started when the servlet was first loaded.

Overrides:

destroy in class javax.servlet.GenericServlet

doPost

public void doPost(javax.servlet.http.HttpServletRequest request,
                   javax.servlet.http.HttpServletResponse response)
            throws javax.servlet.ServletException,
                   java.io.IOException

Processes an HttpServletRequest that encapsulates the request to the servlet.

Overrides:

doPost in class javax.servlet.http.HttpServlet

Parameters:

request - an HttpServletRequest

response - an HttpServletResponse

Throws:

SevletException, - IOException

doGet

public void doGet(javax.servlet.http.HttpServletRequest request,
                  javax.servlet.http.HttpServletResponse response)
           throws javax.servlet.ServletException,
                  java.io.IOException

Handles a HTTP GET request.

Overrides:

doGet in class javax.servlet.http.HttpServlet

Parameters:

request - an HttpServletRequest

response - and HttpServletResponse

Throws:

SevletException, - IOException

doLogin

public void doLogin(javax.servlet.http.HttpServletRequest request,
                    javax.servlet.http.HttpServletResponse response)

Processes a user login request.

Parameters:

request - an HttpServletRequest

response - an HttpServletResponse

doDisplayMessage

public void doDisplayMessage(javax.servlet.http.HttpServletRequest request,
                             javax.servlet.http.HttpServletResponse response)

Displays the content of the message associated with the current request.

Parameters:

request - an HttpServletRequest

response - an HttpServletResponse

doRecord

public void doRecord(javax.servlet.http.HttpServletRequest request,
                     javax.servlet.http.HttpServletResponse response)

Records a message.

Parameters:

request - an HttpServletRequest

response - and HttpServletResponse

doReply

public void doReply(javax.servlet.http.HttpServletRequest request,
                    javax.servlet.http.HttpServletResponse response,
                    int msgnum,
                    java.lang.String fullFileName)

Sends a reply to a message.

Parameters:

request - an HttpServletRequest

response - an HttpServletResponse

msgnum - a unique message number

fullFilName - a full path to a recording (reply)

doCompose

public void doCompose(javax.servlet.http.HttpServletRequest request,
                      javax.servlet.http.HttpServletResponse response)

Records a new message.

Parameters:

request - an HttpServletRequest

response - an HttpServletResponse

doSendMessage

public void doSendMessage(javax.servlet.http.HttpServletRequest request,
                          javax.servlet.http.HttpServletResponse response,
                          java.lang.String email,
                          java.lang.String fullFileName,
                          int msgnum)

Sends a new message.

Parameters:

request - an HttpServletRequest

response - an HttpServletResponse

msgnum - a unique message number

fullFilName - a full path to a recording (new message)

doForward

public void doForward(javax.servlet.http.HttpServletRequest request,
                      javax.servlet.http.HttpServletResponse response)

Records a new message as a first step in forwading a message.

Parameters:

request - an HttpServleteRequest

response - an HttpServletResponse

doForwardMsg

public void doForwardMsg(javax.servlet.http.HttpServletRequest request,
                         javax.servlet.http.HttpServletResponse response,
                         java.lang.String email,
                         java.lang.String fullFileName,
                         int msgnum)

Forwards a message

Parameters:

request - an HttpServletRequest

response - an HttpServletResponse

email - an email address of receiver

fullFileName - a full path name to the recording (new message)

msgnum - a unique message number

printMsgs

public void printMsgs(java.util.ArrayList msgs)

printMsgs prints subject of messages.

Parameters:

msgs - an ArrayList of Messages