Package com.spec.web.expresso.middleware

Class MiddlewareContext

java.lang.Object

com.spec.web.expresso.middleware.MiddlewareContext

public class MiddlewareContext
extends Object

The class instance curretly has the following responsibilites. 1. Controls if next middleware should be called or not. 2. Carries data between middlewares using a map.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	MiddlewareContext()	Instanstiate the class.

Method Summary

Modifier and Type	Method	Description
void	executeNextMiddleware()	Sets the shouldExecuteNextMiddleware flag to true.
String	getState(String key)	Fetches the state value for a key.
protected boolean	isFlowAllowed()	Checks if next middleware shouold be executed.
protected void	markMiddlewareExecuted()	Marks the middleware executed.
void	markMiddlewareNotExecuted()	Marks the middleware not executed.
void	putState(String key, String value)	Sets the state value for a key.
protected void	reset()	Sets shouldExecuteNextMiddleware to false.
protected boolean	wasMiddlewareExecutedOnCurrentPath()	Checks if middleare was executed.

Methods inherited from class java.lang.Object

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

Constructor Details

MiddlewareContext

protected MiddlewareContext()

Instanstiate the class.

Method Details

executeNextMiddleware

public void executeNextMiddleware()

Sets the shouldExecuteNextMiddleware flag to true.

reset

protected void reset()

Sets shouldExecuteNextMiddleware to false.

isFlowAllowed

protected boolean isFlowAllowed()

Checks if next middleware shouold be executed.

Returns:

Returns true if allowed.

markMiddlewareExecuted

protected void markMiddlewareExecuted()

Marks the middleware executed.

markMiddlewareNotExecuted

public void markMiddlewareNotExecuted()

Marks the middleware not executed.

wasMiddlewareExecutedOnCurrentPath

protected boolean wasMiddlewareExecutedOnCurrentPath()

Checks if middleare was executed.

Returns:

True if executed.

putState

public void putState(String key,
 String value)

Sets the state value for a key.

Parameters:

key - Key

value - Value

getState

public String getState(String key)

Fetches the state value for a key.

Parameters:

key - The key for which the state should be returned.

Returns:

The state for the key.