/*
* Implements an abstract method from VizConnection.
*/
@Override
protected IParaViewWebClient connectToWidget() {
// Set the default return value.
IParaViewWebClient client = null;
// Try to create and connect to a ParaView web client.
boolean connected = false;
try {
// Create an HTTP implementation of the ParaView web client..
client = new HttpParaViewWebClient();
// Set up the HTTP URL
String host = getHost();
String port = Integer.toString(getPort());
String url = "http://" + host + ":" + port + "/rpc-http/";
// Try to connect.
connected = client.connect(url).get();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}
// If the connection was not successful, we should return null.
if (!connected) {
client = null;
}
return client;
}
/*
* Implements an abstract method from VizConnection.
*/
@Override
protected boolean disconnectFromWidget(IParaViewWebClient widget) {
boolean closed = false;
// Attempt to disconnect, returning the success of the operation.
if (widget != null) {
try {
closed = widget.disconnect().get();
} catch (InterruptedException | ExecutionException e) {
e.printStackTrace();
}
}
return closed;
}
