org.graphstream.stream.net

Class HTTPSource

java.lang.Object

org.graphstream.stream.SourceBase

org.graphstream.stream.net.HTTPSource

All Implemented Interfaces:

Source

public class HTTPSource
extends SourceBase

This source allows to control a graph from a web browser. Control is done calling the following url : http://host/graphId/edit?q=ACTION&.... ACTION is one of the following action :

• an : add node
• cn : change node
• dn : delete node
• ae : add edge
• ce : change edge
• de : delete edge
• cg : change graph
• st : step begins
• clear : clear the whole graph

Each of these actions needs some argument.

an

• id

cn

• id
• key
• value

dn

• id

ae

• id
• from
• to
• [directed]

ce

• id
• key
• value

de

• id

cg

• key
• value

st

• step

Nested Class Summary

Nested classes/interfaces inherited from class org.graphstream.stream.SourceBase

SourceBase.ElementType

Constructor Summary

Constructors

Constructor and Description
HTTPSource(String graphId, int port) Create a new http source.

Method Summary

Methods

Modifier and Type	Method and Description
void	start() Start the http server.
void	stop() Stop the http server.

Methods inherited from class org.graphstream.stream.SourceBase

addAttributeSink, addElementSink, addSink, attributeSinks, clearAttributeSinks, clearElementSinks, clearSinks, elementSinks, removeAttributeSink, removeElementSink, removeSink, sendAttributeChangedEvent, sendAttributeChangedEvent, sendEdgeAdded, sendEdgeAdded, sendEdgeAttributeAdded, sendEdgeAttributeAdded, sendEdgeAttributeChanged, sendEdgeAttributeChanged, sendEdgeAttributeRemoved, sendEdgeAttributeRemoved, sendEdgeRemoved, sendEdgeRemoved, sendGraphAttributeAdded, sendGraphAttributeAdded, sendGraphAttributeChanged, sendGraphAttributeChanged, sendGraphAttributeRemoved, sendGraphAttributeRemoved, sendGraphCleared, sendGraphCleared, sendNodeAdded, sendNodeAdded, sendNodeAttributeAdded, sendNodeAttributeAdded, sendNodeAttributeChanged, sendNodeAttributeChanged, sendNodeAttributeRemoved, sendNodeAttributeRemoved, sendNodeRemoved, sendNodeRemoved, sendStepBegins, sendStepBegins

Methods inherited from class java.lang.Object

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

Constructor Detail

HTTPSource

public HTTPSource(String graphId,
          int port)
           throws IOException

Create a new http source. The source will be available on 'http://localhost/graphId' where graphId is passed as parameter of this constructor.

Parameters:

graphId - id of the graph

port - port on which server will be bound

Throws:

IOException - if server creation failed.

Method Detail

start

public void start()

Start the http server.

stop

public void stop()

Stop the http server.