Package com.teracloud.streams.topology.inet

Class HTTPStreams

java.lang.Object

com.teracloud.streams.topology.inet.HTTPStreams

public class HTTPStreams
extends Object

Access to data in web servers or services using HTTP.

See Also:

• com.teracloud.streams.inet

Constructor Summary

Constructors

Constructor	Description
HTTPStreams()

Method Summary

Modifier and Type	Method	Description
static TStream<com.ibm.json.java.JSONObject>	getJSON(TopologyElement te, String url, long period, TimeUnit unit)	Periodically poll a web service using HTTP GET for application/json data.

Methods inherited from class java.lang.Object

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

Constructor Details

HTTPStreams

public HTTPStreams()

Method Details

getJSON

public static TStream<com.ibm.json.java.JSONObject> getJSON(TopologyElement te,
 String url,
 long period,
 TimeUnit unit)

Periodically poll a web service using HTTP GET for application/json data. Declares a source stream that will contain a single tuple for each successful GET. The tuple is the complete JSON (application/json content) returned by the request.

Parameters:

te - Topology the source stream will be contained in.

url - URL to poll.

period - Polling period.

unit - Unit for period.

Returns:

Stream that will contain the JSON tuples from periodic HTTP GET requests.