uk.ac.starlink.ttools.server

Class TaskServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

uk.ac.starlink.ttools.server.TaskServlet

All Implemented Interfaces:

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

public class TaskServlet
extends javax.servlet.http.HttpServlet

Servlet implementation which allows STILTS commands to be executed server-side. Both GET and POST methods are accepted.

Since:

6 Oct 2008

Author:

Mark Taylor

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
TaskServlet()

Method Summary

Modifier and Type	Method and Description
void	destroy()
protected void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
protected void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
String	getServletInfo()
static String[]	getTaskNames(ObjectFactory<Task> taskFactory, String taskList) Returns an array of the known tasks from a given task factory based on a space-separated list.
void	init(javax.servlet.ServletConfig config)
protected void	process(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Does the work for a GET or POST request - they have the same behaviour.

Methods inherited from class javax.servlet.http.HttpServlet

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

Methods inherited from class javax.servlet.GenericServlet

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

Methods inherited from class java.lang.Object

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

Constructor Detail

TaskServlet

public TaskServlet()

Method Detail

init

public void init(javax.servlet.ServletConfig config)
          throws javax.servlet.ServletException

Specified by:

init in interface javax.servlet.Servlet

Overrides:

init in class javax.servlet.GenericServlet

Throws:

javax.servlet.ServletException

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Servlet

Overrides:

destroy in class javax.servlet.GenericServlet

getServletInfo

public String getServletInfo()

Specified by:

getServletInfo in interface javax.servlet.Servlet

Overrides:

getServletInfo in class javax.servlet.GenericServlet

doGet

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

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

Overrides:

doPost in class javax.servlet.http.HttpServlet

Throws:

IOException

javax.servlet.ServletException

process

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

Does the work for a GET or POST request - they have the same behaviour.

Parameters:

request - request

response - response

Throws:

IOException

javax.servlet.ServletException

getTaskNames

public static String[] getTaskNames(ObjectFactory<Task> taskFactory,
                                    String taskList)

Returns an array of the known tasks from a given task factory based on a space-separated list. An exception will be thrown if unknown tasks appear.

Parameters:

taskList - space-separated list of tasks to include

taskFactory - STILTS task factory

Throws:

IllegalArgumentException - if any unknown task name is included in taskList