net.time4j.clock

Class HttpClock

java.lang.Object

net.time4j.clock.AbstractClock

net.time4j.clock.NetTimeConnector<NetTimeConfiguration>

net.time4j.clock.HttpClock

All Implemented Interfaces:

TimeSource<Moment>

public class HttpClock
extends NetTimeConnector<NetTimeConfiguration>

Represents a connection to a web server via the HTTP-protocol in order to evaluate the DATE-header of the HTTP-response.

Since:

2.1

Author:

Meno Hochschild

Constructor Summary

Constructors

Constructor and Description
HttpClock(String server) Creates a new clock which connects to given web server.

Method Summary

Methods

Modifier and Type	Method and Description
protected Moment	doConnect() Will be called by connect().
protected Class<NetTimeConfiguration>	getConfigurationType() Yields the configuration type.

Methods inherited from class net.time4j.clock.NetTimeConnector

connect, currentTime, getLastConnectionTime, getLastOffsetInMicros, getNetTimeConfiguration, isLogEnabled, isRunning, loadNetTimeConfiguration, log, reconfigure, setLogWriter

Methods inherited from class net.time4j.clock.AbstractClock

inLocalView, inZonalView, inZonalView

Methods inherited from class java.lang.Object

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

Constructor Detail

HttpClock

public HttpClock(String server)

Creates a new clock which connects to given web server.

Parameters:

server - web server address (example: www.google.com)

Method Detail

doConnect

protected Moment doConnect()
                    throws IOException,
                           ParseException

Description copied from class: NetTimeConnector

Will be called by connect().

Specified by:

doConnect in class NetTimeConnector<NetTimeConfiguration>

Returns:

queried current time

Throws:

IOException - in case of any connection failure

ParseException - if the server reply is not readable

See Also:

NetTimeConnector.connect()

getConfigurationType

protected Class<NetTimeConfiguration> getConfigurationType()

Description copied from class: NetTimeConnector

Yields the configuration type.

Specified by:

getConfigurationType in class NetTimeConnector<NetTimeConfiguration>

Returns:

configuration type