org.apache.hadoop.yarn.server.webproxy

Class ProxyUtils

java.lang.Object

org.apache.hadoop.yarn.server.webproxy.ProxyUtils

public class ProxyUtils
extends Object

Class containing general purpose proxy utilities

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ProxyUtils.__
static class	ProxyUtils.Page

Field Summary

Fields

Modifier and Type	Field and Description
static String	E_HTTP_HTTPS_ONLY
static String	LOCATION

Constructor Summary

Constructors

Constructor and Description
ProxyUtils()

Method Summary

Modifier and Type	Method and Description
static void	notFound(javax.servlet.http.HttpServletResponse resp, String message) Output 404 with appropriate message.
static void	rejectNonHttpRequests(javax.servlet.ServletRequest req) Reject any request that isn't from an HTTP servlet
static void	sendRedirect(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, String target) Handle redirects with a status code that can in future support verbs other than GET, thus supporting full REST functionality.

Methods inherited from class java.lang.Object

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

Field Detail

E_HTTP_HTTPS_ONLY

public static final String E_HTTP_HTTPS_ONLY

See Also:

Constant Field Values

LOCATION

public static final String LOCATION

See Also:

Constant Field Values

Constructor Detail

ProxyUtils

public ProxyUtils()

Method Detail

sendRedirect

public static void sendRedirect(javax.servlet.http.HttpServletRequest request,
                                javax.servlet.http.HttpServletResponse response,
                                String target)
                         throws IOException

Handle redirects with a status code that can in future support verbs other than GET, thus supporting full REST functionality.

The target URL is included in the redirect text returned

At the end of this method, the output stream is closed.

Parameters:

request - request (hence: the verb and any other information relevant to a redirect)

response - the response

target - the target URL -unencoded

Throws:

IOException

notFound

public static void notFound(javax.servlet.http.HttpServletResponse resp,
                            String message)
                     throws IOException

Output 404 with appropriate message.

Parameters:

resp - the http response.

message - the message to include on the page.

Throws:

IOException - on any error.

rejectNonHttpRequests

public static void rejectNonHttpRequests(javax.servlet.ServletRequest req)
                                  throws javax.servlet.ServletException

Reject any request that isn't from an HTTP servlet

Parameters:

req - request

Throws:

javax.servlet.ServletException - if the request is of the wrong type