Package org.apache.hadoop.hdfs.web

Class URLConnectionFactory

java.lang.Object

org.apache.hadoop.hdfs.web.URLConnectionFactory

@LimitedPrivate("HDFS")
@Unstable
public class URLConnectionFactory
extends Object

Utilities for handling URLs

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DEFAULT_SOCKET_TIMEOUT	Timeout for socket connects and reads
static final URLConnectionFactory	DEFAULT_SYSTEM_CONNECTION_FACTORY	The URLConnectionFactory that sets the default timeout and it only trusts Java's SSL certificates.

Method Summary

Modifier and Type	Method	Description
void	destroy()
static URLConnectionFactory	newDefaultURLConnectionFactory(int connectTimeout, int readTimeout, org.apache.hadoop.conf.Configuration conf)	Construct a new URLConnectionFactory based on the configuration.
static URLConnectionFactory	newDefaultURLConnectionFactory(org.apache.hadoop.conf.Configuration conf)	Construct a new URLConnectionFactory based on the configuration.
static URLConnectionFactory	newOAuth2URLConnectionFactory(int connectTimeout, int readTimeout, org.apache.hadoop.conf.Configuration conf)	Construct a new URLConnectionFactory that supports OAut-based connections.
URLConnection	openConnection(URL url)	Opens a url with read and connect timeouts
URLConnection	openConnection(URL url, boolean isSpnego)	Opens a url with read and connect timeouts

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_SOCKET_TIMEOUT

public static final int DEFAULT_SOCKET_TIMEOUT

Timeout for socket connects and reads

See Also:

• Constant Field Values

DEFAULT_SYSTEM_CONNECTION_FACTORY

public static final URLConnectionFactory DEFAULT_SYSTEM_CONNECTION_FACTORY

The URLConnectionFactory that sets the default timeout and it only trusts Java's SSL certificates.

Method Details

newDefaultURLConnectionFactory

public static URLConnectionFactory newDefaultURLConnectionFactory(org.apache.hadoop.conf.Configuration conf)

Construct a new URLConnectionFactory based on the configuration. It will try to load SSL certificates when it is specified.

newDefaultURLConnectionFactory

public static URLConnectionFactory newDefaultURLConnectionFactory(int connectTimeout,
 int readTimeout,
 org.apache.hadoop.conf.Configuration conf)

Construct a new URLConnectionFactory based on the configuration. It will hornor connecTimeout and readTimeout when they are specified.

newOAuth2URLConnectionFactory

public static URLConnectionFactory newOAuth2URLConnectionFactory(int connectTimeout,
 int readTimeout,
 org.apache.hadoop.conf.Configuration conf)
                                                          throws IOException

Construct a new URLConnectionFactory that supports OAut-based connections. It will also try to load the SSL configuration when they are specified.

Throws:

IOException

openConnection

public URLConnection openConnection(URL url)
                             throws IOException

Opens a url with read and connect timeouts

Parameters:

url - to open

Returns:

URLConnection

Throws:

IOException

openConnection

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

Opens a url with read and connect timeouts

Parameters:

url - URL to open

isSpnego - whether the url should be authenticated via SPNEGO

Returns:

URLConnection

Throws:

IOException

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

destroy

public void destroy()