org.apache.slider.core.restclient

Class UrlConnectionOperations

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.slider.core.restclient.UrlConnectionOperations

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable

public class UrlConnectionOperations
extends org.apache.hadoop.conf.Configured

Operations on the JDK UrlConnection class.

Constructor Summary

Constructors

Constructor and Description
UrlConnectionOperations(org.apache.hadoop.conf.Configuration conf) Create an instance off the configuration.

Method Summary

Methods

Modifier and Type	Method and Description
HttpOperationResponse	execGet(URL url)
HttpOperationResponse	execHttpOperation(HttpVerb verb, URL url, byte[] payload, String contentType)
boolean	isUseSpnego()
HttpURLConnection	openConnection(URL url) Opens a url with cache disabled, redirect handled in (JDK) implementation.
void	setUseSpnego(boolean useSpnego)
static void	uprateFaults(HttpVerb verb, String url, int resultCode, String bodyAsString, byte[] body) Uprate error codes 400 and up into faults; 404 is converted to a NotFoundException, 401 to ForbiddenException

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

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

Constructor Detail

UrlConnectionOperations

public UrlConnectionOperations(org.apache.hadoop.conf.Configuration conf)

Create an instance off the configuration. The SPNEGO policy is derived from the current UGI settings.

Parameters:

conf - config

Method Detail

isUseSpnego

public boolean isUseSpnego()

setUseSpnego

public void setUseSpnego(boolean useSpnego)

openConnection

public HttpURLConnection openConnection(URL url)
                                 throws IOException,
                                        org.apache.hadoop.security.authentication.client.AuthenticationException

Opens a url with cache disabled, redirect handled in (JDK) implementation.

Parameters:

url - to open

Returns:

URLConnection

Throws:

IOException

org.apache.hadoop.security.authentication.client.AuthenticationException - authentication failure

execGet

public HttpOperationResponse execGet(URL url)
                              throws IOException,
                                     org.apache.hadoop.security.authentication.client.AuthenticationException

Throws:

IOException

org.apache.hadoop.security.authentication.client.AuthenticationException

execHttpOperation

public HttpOperationResponse execHttpOperation(HttpVerb verb,
                                      URL url,
                                      byte[] payload,
                                      String contentType)
                                        throws IOException,
                                               org.apache.hadoop.security.authentication.client.AuthenticationException

Throws:

IOException

org.apache.hadoop.security.authentication.client.AuthenticationException

uprateFaults

public static void uprateFaults(HttpVerb verb,
                String url,
                int resultCode,
                String bodyAsString,
                byte[] body)
                         throws IOException

Uprate error codes 400 and up into faults; 404 is converted to a NotFoundException, 401 to ForbiddenException

Parameters:

verb - HTTP Verb used

url - URL as string

resultCode - response from the request

bodyAsString -

body - optional body of the request @throws IOException if the result was considered a failure

Throws:

IOException