org.apache.hadoop.hbase.rest
Class Dispatcher

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          org.apache.hadoop.hbase.rest.Dispatcher

All Implemented Interfaces:

Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

Deprecated. Use the org.apache.hadoop.hbase.stargate hbase contrib instead.

public class Dispatcher
extends javax.servlet.http.HttpServlet

Servlet implementation class for hbase REST interface. Presumes container ensures single thread through here at any one time (Usually the default configuration). In other words, code is not written thread-safe.

This servlet has explicit dependency on Jetty server; it uses the jetty implementation of MultipartResponse.

TODO:

• multipart/related response is not correct; the servlet setContentType is broken. I am unable to add parameters such as boundary or start to multipart/related. They get stripped.
• Currently creating a scanner, need to specify a column. Need to make it so the HTable instance has current table's metadata to-hand so easy to find the list of all column families so can make up list of columns if none specified.
• Minor items are we are decoding URLs in places where probably already done and how to timeout scanners that are in the scanner list.

See Also:

Hbase REST Specification, Serialized Form

Nested Class Summary

static class

Dispatcher.ContentType Deprecated.

Field Summary

protected DatabaseController	dbController Deprecated.
protected RowController	rowController Deprecated.
protected ScannerController	scannercontroller Deprecated.
protected TableController	tableController Deprecated.
protected TimestampController	tsController Deprecated.

Constructor Summary

Dispatcher()
Deprecated. Default constructor

Method Summary

protected void	createControllers() Deprecated.
protected Status	createStatus(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Deprecated.
protected void	doDelete(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Deprecated.
protected void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Deprecated.
protected static void	doMain(String[] args) Deprecated.
protected void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Deprecated.
protected void	doPut(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Deprecated.
protected IHBaseRestParser	getParser(javax.servlet.http.HttpServletRequest request) Deprecated.
protected byte[][]	getPathSegments(javax.servlet.http.HttpServletRequest request) Deprecated. This method will get the path segments from the HttpServletRequest.
void	init() Deprecated.
static void	main(String[] args) Deprecated.
protected static void	printUsageAndExit() Deprecated.
protected static void	printUsageAndExit(String message) Deprecated.
protected byte[]	readInputBuffer(javax.servlet.http.HttpServletRequest request) Deprecated.

Methods inherited from class javax.servlet.http.HttpServlet

doHead, doOptions, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

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

Methods inherited from class java.lang.Object

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

Field Detail

dbController

protected DatabaseController dbController

Deprecated.

tableController

protected TableController tableController

Deprecated.

rowController

protected RowController rowController

Deprecated.

scannercontroller

protected ScannerController scannercontroller

Deprecated.

tsController

protected TimestampController tsController

Deprecated.

Constructor Detail

Dispatcher

public Dispatcher()

Deprecated.

Default constructor

Method Detail

init

public void init()
          throws javax.servlet.ServletException

Deprecated.

Overrides:

init in class javax.servlet.GenericServlet

Throws:

javax.servlet.ServletException

createControllers

protected void createControllers()

Deprecated.

doGet

protected void doGet(javax.servlet.http.HttpServletRequest request,
                     javax.servlet.http.HttpServletResponse response)
              throws IOException,
                     javax.servlet.ServletException

Deprecated.

Overrides:

doGet in class javax.servlet.http.HttpServlet

Throws:

IOException

javax.servlet.ServletException

doPost

protected void doPost(javax.servlet.http.HttpServletRequest request,
                      javax.servlet.http.HttpServletResponse response)
               throws IOException,
                      javax.servlet.ServletException

Deprecated.

Overrides:

doPost in class javax.servlet.http.HttpServlet

Throws:

IOException

javax.servlet.ServletException

doPut

protected void doPut(javax.servlet.http.HttpServletRequest request,
                     javax.servlet.http.HttpServletResponse response)
              throws javax.servlet.ServletException,
                     IOException

Deprecated.

Overrides:

doPut in class javax.servlet.http.HttpServlet

Throws:

javax.servlet.ServletException

IOException

doDelete

protected void doDelete(javax.servlet.http.HttpServletRequest request,
                        javax.servlet.http.HttpServletResponse response)
                 throws IOException,
                        javax.servlet.ServletException

Deprecated.

Overrides:

doDelete in class javax.servlet.http.HttpServlet

Throws:

IOException

javax.servlet.ServletException

getPathSegments

protected byte[][] getPathSegments(javax.servlet.http.HttpServletRequest request)

Deprecated.

This method will get the path segments from the HttpServletRequest. Please note that if the first segment of the path is /api this is removed from the returning byte array.

Parameters:

request -

Returns:

request pathinfo split on the '/' ignoring the first '/' so first element in pathSegment is not the empty string.

readInputBuffer

protected byte[] readInputBuffer(javax.servlet.http.HttpServletRequest request)
                          throws HBaseRestException

Deprecated.

Throws:

HBaseRestException

getParser

protected IHBaseRestParser getParser(javax.servlet.http.HttpServletRequest request)

Deprecated.

createStatus

protected Status createStatus(javax.servlet.http.HttpServletRequest request,
                              javax.servlet.http.HttpServletResponse response)
                       throws HBaseRestException

Deprecated.

Throws:

HBaseRestException

printUsageAndExit

protected static void printUsageAndExit()

Deprecated.

printUsageAndExit

protected static void printUsageAndExit(String message)

Deprecated.

doMain

protected static void doMain(String[] args)
                      throws Exception

Deprecated.

Throws:

Exception

main

public static void main(String[] args)
                 throws Exception

Deprecated.

Parameters:

args -

Throws:

Exception