com.ibm.streamsx.topology.inet

Class HTTPStreams

java.lang.Object

com.ibm.streamsx.topology.inet.HTTPStreams

public class HTTPStreams
extends java.lang.Object

Access to data in web servers or services using HTTP.

See Also:

com.ibm.streamsx.inet

Constructor Summary

Constructors

Constructor and Description
HTTPStreams()

Method Summary

Modifier and Type	Method and Description
static TStream<com.ibm.json.java.JSONObject>	getJSON(TopologyElement te, java.lang.String url, long period, java.util.concurrent.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 Detail

HTTPStreams

public HTTPStreams()

Method Detail

getJSON

public static TStream<com.ibm.json.java.JSONObject> getJSON(TopologyElement te,
                                                            java.lang.String url,
                                                            long period,
                                                            java.util.concurrent.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.