org.apache.storm.daemon.drpc.webapp

Class ReqContextFilter

java.lang.Object

org.apache.storm.daemon.drpc.webapp.ReqContextFilter

All Implemented Interfaces:

javax.servlet.Filter

@Provider
 @PreMatching
public class ReqContextFilter
extends Object
implements javax.servlet.Filter

Constructor Summary

Constructors

Constructor and Description
ReqContextFilter(IHttpCredentialsPlugin httpCredsHandler)

Method Summary

Modifier and Type	Method and Description
void	destroy()
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain) A filter which populates the request if it is null and then passes it on to the next entity in the chain.
void	handle(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.FilterChain chain) A method used by doFilter which populates the request if it is null and then passes it on to the next entity in the chain.
void	init(javax.servlet.FilterConfig config)
void	populateContext(javax.servlet.http.HttpServletRequest request) Populate the Storm RequestContext from an servlet request.

Methods inherited from class java.lang.Object

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

Constructor Detail

ReqContextFilter

public ReqContextFilter(IHttpCredentialsPlugin httpCredsHandler)

Method Detail

populateContext

public void populateContext(javax.servlet.http.HttpServletRequest request)

Populate the Storm RequestContext from an servlet request. This should be called in each handler

Parameters:

request - the request to populate

init

public void init(javax.servlet.FilterConfig config)
          throws javax.servlet.ServletException

Specified by:

init in interface javax.servlet.Filter

Throws:

javax.servlet.ServletException

doFilter

public void doFilter(javax.servlet.ServletRequest request,
                     javax.servlet.ServletResponse response,
                     javax.servlet.FilterChain chain)
              throws IOException,
                     javax.servlet.ServletException

A filter which populates the request if it is null and then passes it on to the next entity in the chain.

Specified by:

doFilter in interface javax.servlet.Filter

Parameters:

request - the request to populate

response - the response to populate

chain - the next chain of entities to pass the object to

Throws:

IOException

javax.servlet.ServletException

handle

public void handle(javax.servlet.http.HttpServletRequest request,
                   javax.servlet.http.HttpServletResponse response,
                   javax.servlet.FilterChain chain)
            throws IOException,
                   javax.servlet.ServletException

A method used by doFilter which populates the request if it is null and then passes it on to the next entity in the chain.

Parameters:

request - the request to populate

response - the response to populate

chain - the next chain of entities to pass the object to

Throws:

IOException

javax.servlet.ServletException

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Filter