org.eclipse.smila.restapi

Class StateHandler

java.lang.Object

org.eclipse.smila.http.server.util.ARequestHandler

org.eclipse.smila.http.server.json.JsonRequestHandler

org.eclipse.smila.restapi.StateHandler

All Implemented Interfaces:

HttpHandler, RequestHandler

public class StateHandler
extends JsonRequestHandler

Implements the handling of requests to /smila:

 {
   "taskmanager" : {
     "todo" : 0,
    "inprogress" : 0
   },
   "api" : {
     "jobmanager" : "http://localhost:8080/smila/jobmanager/",
     "tasks" : "http://localhost:8080/smila/tasks/",
     "pipelines" : "http://localhost:8080/smila/pipeline/",
     "store" : "http://localhost:8080/smila/store/",
     "crawlers" : "http://localhost:8080/smila/crawlers/",
     "agents" : "http://localhost:8080/smila/agents/"
   }
 }
 

Field Summary

Fields inherited from class org.eclipse.smila.http.server.json.JsonRequestHandler

FACTORY, HEADER_REQUEST_HOST, HTTP_UTILS

Constructor Summary

Constructors

Constructor and Description
StateHandler()

Method Summary

Methods

Modifier and Type	Method and Description
protected boolean	isValidMethod(java.lang.String method, java.lang.String requestUri) Checks if the handler allows the HTTP method.
java.lang.Object	process(java.lang.String method, java.lang.String requestUri, Record inputRecord, HttpExchange exchange) process input record and return result object.
void	setTaskManager(TaskManager taskManager) set OSGI service.
void	setVersionManager(VersionManager versionManager) set OSGI service.
void	unsetTaskManager(TaskManager taskManager) unset OSGI service.
void	unsetVersionManager(VersionManager versionManager) unset OSGI service.

Methods inherited from class org.eclipse.smila.http.server.json.JsonRequestHandler

getErrorStatus, getRequestHost, getSuccessStatus, getSuccessStatus, handle, process, writeErrorResult, writeResultObject, writeSuccessResult

Methods inherited from class org.eclipse.smila.http.server.util.ARequestHandler

activate, getDynamicUriParts, getRootContextPath, getStaticUriParts, getUriPattern, matches, urlDecode

Methods inherited from class java.lang.Object

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

Constructor Detail

StateHandler

public StateHandler()

Method Detail

process

public java.lang.Object process(java.lang.String method,
                       java.lang.String requestUri,
                       Record inputRecord,
                       HttpExchange exchange)

process input record and return result object. Override this method in your handler if you need access to HttpExchange object, e.g. to read http header fields

Overrides:

process in class JsonRequestHandler

Parameters:

method - HTTP method

requestUri - request URI.

inputRecord - input record parsed either from request body, if it has content, or from request URI parameters.

exchange - http exchange object, contains e.g. the http header fields

Returns:

result object, may be null. If this is not a Record, you have to provide a JsonRequestHandler.writeResultObject(OutputStream, Object) method, too.

isValidMethod

protected boolean isValidMethod(java.lang.String method,
                    java.lang.String requestUri)

Checks if the handler allows the HTTP method. GET is currently the only valid method.

Overrides:

isValidMethod in class JsonRequestHandler

Parameters:

method - HTTP method

requestUri - request URI

Returns:

true if the method can be used for the URI, else false.

setTaskManager

public void setTaskManager(TaskManager taskManager)

set OSGI service.

unsetTaskManager

public void unsetTaskManager(TaskManager taskManager)

unset OSGI service.

setVersionManager

public void setVersionManager(VersionManager versionManager)

set OSGI service.

unsetVersionManager

public void unsetVersionManager(VersionManager versionManager)

unset OSGI service.