Package mg.emberframework.core.handler

Class RequestHandler

java.lang.Object

mg.emberframework.core.handler.RequestHandler

public class RequestHandler
extends Object

Main process handler for the Ember Framework.

This class manages the initialization of the framework and the handling of HTTP requests, including URL mapping, role validation, method execution, and response generation.

Since:

1.0.0

Version:

1.0.0

Author:

Sandratra NIAINA

Constructor Summary

Constructors

Constructor	Description
RequestHandler()

Method Summary

Modifier and Type	Method	Description
void	handleRequest(FrontController controller, jakarta.servlet.http.HttpServletRequest request, jakarta.servlet.http.HttpServletResponse response)	Handles an incoming HTTP request and generates a response.
void	init(FrontController controller)	Initializes the framework by scanning for controller mappings and setting parameters.

Methods inherited from class java.lang.Object

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

Constructor Details

RequestHandler

public RequestHandler()

Method Details

init

public void init(FrontController controller)
          throws ClassNotFoundException,
IOException,
DuplicateUrlException,
InvalidControllerPackageException

Initializes the framework by scanning for controller mappings and setting parameters.

Parameters:

controller - the front controller instance

Throws:

ClassNotFoundException - if a class cannot be found during scanning

IOException - if an I/O error occurs during initialization

DuplicateUrlException - if duplicate URL mappings are detected

InvalidControllerPackageException - if the controller package is invalid

handleRequest

public void handleRequest(FrontController controller,
 jakarta.servlet.http.HttpServletRequest request,
 jakarta.servlet.http.HttpServletResponse response)
                   throws IOException,
UrlNotFoundException,
NoSuchMethodException,
SecurityException,
IllegalAccessException,
IllegalArgumentException,
InvocationTargetException,
InstantiationException,
jakarta.servlet.ServletException,
IllegalReturnTypeException,
AnnotationNotPresentException,
InvalidRequestException,
UnauthorizedAccessException,
URISyntaxException

Handles an incoming HTTP request and generates a response.

Parameters:

controller - the front controller instance

request - the HTTP request

response - the HTTP response

Throws:

IOException - if an I/O error occurs

UrlNotFoundException - if the requested URL is not mapped

NoSuchMethodException - if a method cannot be found

SecurityException - if a security violation occurs

IllegalAccessException - if access to a method is denied

IllegalArgumentException - if an argument is invalid

InvocationTargetException - if method invocation fails

InstantiationException - if an object cannot be instantiated

jakarta.servlet.ServletException - if a servlet error occurs

IllegalReturnTypeException - if the return type is unsupported

AnnotationNotPresentException - if a required annotation is missing

InvalidRequestException - if the request is malformed

UnauthorizedAccessException - if the user lacks permission

URISyntaxException - if the URI syntax is invalid