net.ramapuram.thomas.webapp.interceptor
Class UserRoleAuthorizationInterceptor

java.lang.Object
  net.ramapuram.thomas.webapp.interceptor.UserRoleAuthorizationInterceptor

All Implemented Interfaces:

com.opensymphony.xwork2.interceptor.Interceptor, java.io.Serializable

public class UserRoleAuthorizationInterceptor
extends java.lang.Object
implements com.opensymphony.xwork2.interceptor.Interceptor

Security interceptor checks to see if users are in the specified roles before proceeding. Similar to Spring's UserRoleAuthorizationInterceptor.

Author:

Matt Raible

See Also:

org.springframework.web.servlet.handler.UserRoleAuthorizationInterceptor, Serialized Form

Constructor Summary

UserRoleAuthorizationInterceptor()

Method Summary

void	destroy() This method currently does nothing.
protected void	handleNotAuthorized(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Handle a request that is not authorized according to this interceptor.
void	init() This method currently does nothing.
java.lang.String	intercept(com.opensymphony.xwork2.ActionInvocation invocation) Intercept the action invocation and check to see if the user has the proper role.
void	setAuthorizedRoles(java.lang.String[] authorizedRoles) Set the roles that this interceptor should treat as authorized.

Methods inherited from class java.lang.Object

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

Constructor Detail

UserRoleAuthorizationInterceptor

public UserRoleAuthorizationInterceptor()

Method Detail

intercept

public java.lang.String intercept(com.opensymphony.xwork2.ActionInvocation invocation)
                           throws java.lang.Exception

Intercept the action invocation and check to see if the user has the proper role.

Specified by:

intercept in interface com.opensymphony.xwork2.interceptor.Interceptor

Parameters:

invocation - the current action invocation

Returns:

the method's return value, or null after setting HttpServletResponse.SC_FORBIDDEN

Throws:

java.lang.Exception - when setting the error on the response fails

setAuthorizedRoles

public final void setAuthorizedRoles(java.lang.String[] authorizedRoles)

Set the roles that this interceptor should treat as authorized.

Parameters:

authorizedRoles - array of role names

handleNotAuthorized

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

Handle a request that is not authorized according to this interceptor. Default implementation sends HTTP status code 403 ("forbidden").

This method can be overridden to write a custom message, forward or redirect to some error page or login page, or throw a ServletException.

Parameters:

request - current HTTP request

response - current HTTP response

Throws:

javax.servlet.ServletException - if there is an internal error

java.io.IOException - in case of an I/O error when writing the response

destroy

public void destroy()

This method currently does nothing.

Specified by:

destroy in interface com.opensymphony.xwork2.interceptor.Interceptor

init

public void init()

This method currently does nothing.

Specified by:

init in interface com.opensymphony.xwork2.interceptor.Interceptor