edu.cornell.mannlib.vitro.webapp.controller.ajax

Class SparqlQueryAjaxController

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

edu.cornell.mannlib.vitro.webapp.controller.ajax.VitroAjaxController

edu.cornell.mannlib.vitro.webapp.controller.ajax.SparqlQueryAjaxController

All Implemented Interfaces:

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

public class SparqlQueryAjaxController
extends VitroAjaxController

Handle an AJAX request for a SPARQL query. On entry, the "query" parameter contains the query string. The result is delivered in JSON format.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	OPTION_MODEL_FULL
static String	OPTION_MODEL_USER_ACCOUNTS
static String	PARAMETER_MODEL
static String	PARAMETER_QUERY
static String	RESPONSE_MIME_TYPE

Constructor Summary

Constructors

Constructor and Description
SparqlQueryAjaxController()

Method Summary

Modifier and Type	Method and Description
protected void	doRequest(VitroRequest vreq, javax.servlet.http.HttpServletResponse response) Sub-classes must implement this method to handle both GET and POST requests.
protected AuthorizationRequest	requiredActions(VitroRequest vreq) By default, a controller requires authorization for no actions.

Methods inherited from class edu.cornell.mannlib.vitro.webapp.controller.ajax.VitroAjaxController

doError, doGet, doPost, writeTemplate

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, 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

Field Detail

PARAMETER_QUERY

public static final String PARAMETER_QUERY

See Also:

Constant Field Values

RESPONSE_MIME_TYPE

public static final String RESPONSE_MIME_TYPE

See Also:

Constant Field Values

PARAMETER_MODEL

public static final String PARAMETER_MODEL

See Also:

Constant Field Values

OPTION_MODEL_FULL

public static final String OPTION_MODEL_FULL

See Also:

Constant Field Values

OPTION_MODEL_USER_ACCOUNTS

public static final String OPTION_MODEL_USER_ACCOUNTS

See Also:

Constant Field Values

Constructor Detail

SparqlQueryAjaxController

public SparqlQueryAjaxController()

Method Detail

requiredActions

protected AuthorizationRequest requiredActions(VitroRequest vreq)

Description copied from class: VitroAjaxController

By default, a controller requires authorization for no actions. Subclasses that require authorization to process their page will override to return the actions that require authorization. In some cases, the choice of actions will depend on the contents of the request.

Overrides:

requiredActions in class VitroAjaxController

doRequest

protected void doRequest(VitroRequest vreq,
                         javax.servlet.http.HttpServletResponse response)
                  throws javax.servlet.ServletException,
                         IOException

Description copied from class: VitroAjaxController

Sub-classes must implement this method to handle both GET and POST requests.

Specified by:

doRequest in class VitroAjaxController

Throws:

javax.servlet.ServletException

IOException