Package org.apache.hadoop.ozone.om

Class ServiceListJSONServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

org.apache.hadoop.ozone.om.ServiceListJSONServlet

All Implemented Interfaces:

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

public class ServiceListJSONServlet
extends javax.servlet.http.HttpServlet

Provides REST access to Ozone Service List.

This servlet generally will be placed under the /serviceList URL of OzoneManager HttpServer. The return format is of JSON and in the form

  {
    "services" : [
      {
        "NodeType":"OM",
        "Hostname" "$hostname",
        "ports" : {
          "$PortType" : "$port",
          ...
        }
      }
    ]
  }
  

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
ServiceListJSONServlet()

Method Summary

Modifier and Type	Method	Description
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)	Process a GET request for the specified resource.
void	init()

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPost, doPut, 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

Constructor Details

ServiceListJSONServlet

public ServiceListJSONServlet()

Method Details

init

public void init()
          throws javax.servlet.ServletException

Overrides:

init in class javax.servlet.GenericServlet

Throws:

javax.servlet.ServletException

doGet

public void doGet(javax.servlet.http.HttpServletRequest request,
 javax.servlet.http.HttpServletResponse response)

Process a GET request for the specified resource.

Overrides:

doGet in class javax.servlet.http.HttpServlet

Parameters:

request - The servlet request we are processing

response - The servlet response we are creating