de.schwarzrot.app.net.service
Class FileHandler

java.lang.Object
  de.schwarzrot.net.http.service.AbstractRequestHandler
      de.schwarzrot.app.net.service.FileHandler

All Implemented Interfaces:

RequestHandler

public class FileHandler
extends AbstractRequestHandler

handles HTTP requests as file requests, similar to common HTTP servers. Will be the fallback for unknown/unsupported locations.

Author:

Reinhard Mantey

Field Summary

Fields inherited from interface de.schwarzrot.net.http.service.RequestHandler

HTTP_CONTENT_LENGTH, HTTP_LANGUAGE, MIME_CSS, MIME_GIF, MIME_HTML, MIME_ICON, MIME_JPEG, MIME_JS, MIME_JSON, MIME_PNG, MIME_TIFF, MIME_UNKNOWN, QUERY_STRING, REQUEST_DEFAULT_HANDLER, REQUEST_DEFAULT_URL, REQUEST_GET_METHOD, REQUEST_HELP_URL, REQUEST_JSON_CHECK, REQUEST_LOCATION, REQUEST_METHOD, REQUEST_OPTIONS_METHOD, REQUEST_POST_METHOD, REQUEST_TIME, REQUEST_URI, REQUEST_WEBIF_BASE, REQUEST_WEBIF_EXT, REQUEST_WEBIF_ROOT, RESPONSE_HEADER, RESPONSE_LEN_HEADER, RESPONSE_STATUS_HEADER, SERVER_PROTOCOL

Constructor Summary

FileHandler()

Method Summary

void	process(Socket clientSocket, Map<String,String> header, Map<String,String> request) this is the entrypoint for request processing.
boolean	replySuccess(PrintWriter writer, HttpStatusCode success, String errorMessage) centralized message creator service
String	usage() tells about the services and their parameters

Methods inherited from class de.schwarzrot.net.http.service.AbstractRequestHandler

doIDAction, getHandlerIdentifier, getLogger, getProtocolHandler, getServer, getTransactionFactory, initResponse, initResponse, replySuccess, setup

Methods inherited from class java.lang.Object

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

Constructor Detail

FileHandler

public FileHandler()

Method Detail

process

public void process(Socket clientSocket,
                    Map<String,String> header,
                    Map<String,String> request)

Description copied from interface: RequestHandler

this is the entrypoint for request processing. Will be called by the ProtocolHandler. The request handler that decides, what to do, based on request parameters.

Parameters:

clientSocket - - the socket for client communication

header - - a map that contains all requests header parameters

request - - a map that contains all request parameters

replySuccess

public boolean replySuccess(PrintWriter writer,
                            HttpStatusCode success,
                            String errorMessage)
                     throws Exception

Description copied from interface: RequestHandler

centralized message creator service

Specified by:

replySuccess in interface RequestHandler

Specified by:

replySuccess in class AbstractRequestHandler

Parameters:

writer - - the communication channel to the client

success - - the status code of the last request

errorMessage - - the error message for the client

Throws:

Exception - - type of exception varies depending on the protocol used

usage

public String usage()

Description copied from interface: RequestHandler

tells about the services and their parameters

Returns:

- the description message