Package org.apache.hadoop.hdfs.server.namenode

Class DfsServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

org.apache.hadoop.hdfs.server.namenode.DfsServlet

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

Direct Known Subclasses:

FsckServlet, GetJournalEditServlet, NetworkTopologyServlet, StartupProgressServlet

public abstract class DfsServlet
extends javax.servlet.http.HttpServlet

A base class for the servlets in DFS.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
DfsServlet()

Method Summary

Modifier and Type	Method	Description
protected org.apache.hadoop.security.UserGroupInformation	getUGI(javax.servlet.http.HttpServletRequest request, org.apache.hadoop.conf.Configuration conf)

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doGet, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log

Methods inherited from class java.lang.Object

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

Constructor Detail

DfsServlet

public DfsServlet()

Method Detail

getUGI

protected org.apache.hadoop.security.UserGroupInformation getUGI(javax.servlet.http.HttpServletRequest request,
                                                                 org.apache.hadoop.conf.Configuration conf)
                                                          throws java.io.IOException

Throws:

java.io.IOException