com.dukascopy.api.system

Interface IClient

All Known Subinterfaces:

ITesterClient

public interface IClient

Main entry point for the connection to the server

Author:

Denis Larka, Dmitry Shohov

Method Summary

Methods

Modifier and Type	Method and Description
void	addClientGUIListener(IClientGUIListener clientGuiListener) Register a IClientGUIListener which is "interested" in open / close charts from strategy
void	addNewsFilter(INewsFilter newsFilter) Adds news filter
void	closeChart(IChart chart) Close specified chart.
void	compileStrategy(String srcJavaFile, boolean obfuscate) Compile .java strategy file to .jfx file.
void	connect(String jnlp, String username, String password) Authenticates and connects to dukascopy servers
void	connect(String jnlp, String username, String password, String pin) Authenticates and connects to dukascopy servers
void	disconnect() Stops all running strategies and disconnect from dukascopy server.
Set<Instrument>	getAvailableInstruments() Returns a set of operable for the current user instruments.
BufferedImage	getCaptchaImage(String jnlp) Returns the image that can be provided to the user to generate correct pin code
IClientGUI	getClientGUI(IChart chart) Returns IClientGUI for specified IChart. NOTE: Can be used only by Standalone JForex API.
INewsFilter	getNewsFilter(INewsFilter.NewsSource newsSource) Returns news filter for the source
IPreferences	getPreferences() Returns global preference holder for JForex-SDK
IRemoteStrategyManager	getRemoteStrategyManager() Returns a manager for remote strategy running, stopping and monitoring
Map<UUID,Plugin>	getRunningPlugins() Returns map with ids mapped to associated strategies
Map<Long,IStrategy>	getStartedStrategies() Returns map with ids mapped to associated strategies.
Set<Instrument>	getSubscribedInstruments() Returns subscribed instruments
boolean	isConnected() Returns true if client is authenticated authorized and transport is in connected state
IStrategy	loadStrategy(File strategyBinaryFile) Loads strategy from jfx file
IChart	openChart(IFeedDescriptor feedDescriptor) Opens new chart with specified in IFeedDescriptor parameters.
File	packPluginToJfx(File file)
File	packToJfx(File file) Packs .jar a strategy, indicator or plugin file to .jfx file.
void	reconnect() Tries to reconnect transport without reauthenticating.
void	removeClientGUIListener(IClientGUIListener clientGuiListener) Unregister a IClientGUIListener
INewsFilter	removeNewsFilter(INewsFilter.NewsSource newsSource) Removes news filter, resetting it to the default value
UUID	runPlugin(Plugin plugin, IStrategyExceptionHandler exceptionHandler) Starts the plugin
UUID	runPlugin(Plugin plugin, IStrategyExceptionHandler exceptionHandler, PluginGuiListener pluginGuiListener) Starts the strategy
void	setCacheDirectory(File cacheDirectory) Sets the location of the cache files.
void	setErr(PrintStream err) Sets stream that will be passed to the strategy through IConsole.
void	setOut(PrintStream out) Sets stream that will be passed to the strategy through IConsole.
void	setPreferences(IPreferences preferences) Sets global preferences for JForex-SDK Consider hiding the position labels and the closed positions from charts (needs to be called after a successful connection):
void	setSubscribedInstruments(Set<Instrument> instruments) Subscribes to the specified instruments set.
void	setSystemListener(ISystemListener systemListener) Sets the listener, that will receive notifications about connects disconnects and strategies starts and stops.
long	startStrategy(IStrategy strategy) Starts the strategy with default exception handler that will stop strategy if it trows exception
long	startStrategy(IStrategy strategy, IStrategyExceptionHandler exceptionHandler) Starts the strategy
void	stopPlugin(UUID processId) Stops the strategy with the specified id
void	stopStrategy(long processId) Stops the strategy with the specified id

Method Detail

connect

void connect(String jnlp,
           String username,
           String password)
             throws JFAuthenticationException,
                    JFVersionException,
                    Exception

Authenticates and connects to dukascopy servers

Parameters:

jnlp - address of jnlp file, that is used to launch platform

username - user name

password - password

Throws:

JFAuthenticationException - authentication error, incorrect username or password, IP address unrecognized in case of LIVE systems

JFVersionException - version is blocked on the server, update your libraries

Exception - all kinds of errors that resulted in exception

connect

void connect(String jnlp,
           String username,
           String password,
           String pin)
             throws JFAuthenticationException,
                    JFVersionException,
                    Exception

Authenticates and connects to dukascopy servers

Parameters:

jnlp - address of jnlp file, that is used to launch platform

username - user name

password - password

pin - pin code generated with the captcha from the last getCaptchaImage(java.lang.String) call

Throws:

JFAuthenticationException - authentication error, incorrect username or password, IP address unrecognized in case of LIVE systems

JFVersionException - version is blocked on the server, update your libraries

Exception - all kinds of errors that resulted in exception

getCaptchaImage

BufferedImage getCaptchaImage(String jnlp)
                              throws Exception

Returns the image that can be provided to the user to generate correct pin code

Parameters:

jnlp - address of jnlp file, that is used to launch platform

Returns:

captcha image

Throws:

Exception - if request for captcha failed

reconnect

void reconnect()

Tries to reconnect transport without reauthenticating. Method is asynchronous, meaning it will exit immidiately after sending connection request without waiting for the response. Caller will receive notification through ISystemListener interface

disconnect

void disconnect()

Stops all running strategies and disconnect from dukascopy server.

isConnected

boolean isConnected()

Returns true if client is authenticated authorized and transport is in connected state

Returns:

true if there is open and working connection to the server

startStrategy

long startStrategy(IStrategy strategy)
                   throws IllegalStateException,
                          NullPointerException

Starts the strategy with default exception handler that will stop strategy if it trows exception

Parameters:

strategy - strategy to run

Returns:

returns id assigned to the strategy

Throws:

IllegalStateException - if not connected

NullPointerException - if one of the parameters is null

startStrategy

long startStrategy(IStrategy strategy,
                 IStrategyExceptionHandler exceptionHandler)
                   throws IllegalStateException,
                          NullPointerException

Starts the strategy

Parameters:

strategy - strategy to run

exceptionHandler - if not null then passed exception handler will be called when strategy throws exception

Returns:

returns id assigned to the strategy

Throws:

IllegalStateException - if not connected

NullPointerException - if one of the parameters is null

runPlugin

UUID runPlugin(Plugin plugin,
             IStrategyExceptionHandler exceptionHandler)
               throws IllegalStateException,
                      NullPointerException

Starts the plugin

Parameters:

plugin - plugin to run

exceptionHandler - if not null then passed exception handler will be called when strategy throws exception

Returns:

returns id assigned to the strategy

Throws:

IllegalStateException - if not connected

NullPointerException - if one of the parameters is null

runPlugin

UUID runPlugin(Plugin plugin,
             IStrategyExceptionHandler exceptionHandler,
             PluginGuiListener pluginGuiListener)
               throws IllegalStateException,
                      NullPointerException

Starts the strategy

Parameters:

plugin - plugin to run

exceptionHandler - if not null then passed exception handler will be called when strategy throws exception

pluginGuiListener - listener for plugin gui events

Returns:

returns id assigned to the strategy

Throws:

IllegalStateException - if not connected

NullPointerException - if one of the parameters is null

stopPlugin

void stopPlugin(UUID processId)

Stops the strategy with the specified id

Parameters:

processId - id of the strategy

loadStrategy

IStrategy loadStrategy(File strategyBinaryFile)
                       throws Exception

Loads strategy from jfx file

Parameters:

strategyBinaryFile - jfx file

Returns:

loaded strategy

Throws:

Exception - if loading failed

stopStrategy

void stopStrategy(long processId)

Stops the strategy with the specified id

Parameters:

processId - id of the strategy

getStartedStrategies

Map<Long,IStrategy> getStartedStrategies()

Returns map with ids mapped to associated strategies. Includes only strategies started by the current process.

Returns:

started strategies

getRunningPlugins

Map<UUID,Plugin> getRunningPlugins()

Returns map with ids mapped to associated strategies

Returns:

started strategies

setSystemListener

void setSystemListener(ISystemListener systemListener)

Sets the listener, that will receive notifications about connects disconnects and strategies starts and stops. Only one system listener can be set.

Parameters:

systemListener - listener

addNewsFilter

void addNewsFilter(INewsFilter newsFilter)

Adds news filter

Parameters:

newsFilter - news filter

getNewsFilter

INewsFilter getNewsFilter(INewsFilter.NewsSource newsSource)

Returns news filter for the source

Parameters:

newsSource - news source

Returns:

news filter

removeNewsFilter

INewsFilter removeNewsFilter(INewsFilter.NewsSource newsSource)

Removes news filter, resetting it to the default value

Parameters:

newsSource - news source

Returns:

news filter removed

setSubscribedInstruments

void setSubscribedInstruments(Set<Instrument> instruments)

Subscribes to the specified instruments set. Ticks passed in onTick method will have full depth for this instruments, while other instruments are not guaranteed to have full depth.

Parameters:

instruments - set of the instruments

getSubscribedInstruments

Set<Instrument> getSubscribedInstruments()

Returns subscribed instruments

Returns:

set of the subscribed instruments

setOut

void setOut(PrintStream out)

Sets stream that will be passed to the strategy through IConsole. Default out is System.out

Parameters:

out - stream

setErr

void setErr(PrintStream err)

Sets stream that will be passed to the strategy through IConsole. Default err is System.err

Parameters:

err - stream

setCacheDirectory

void setCacheDirectory(File cacheDirectory)

Sets the location of the cache files. Default is System.getProperty("java.io.tmpdir") + "/.cache"

The method should get called before the call of connect(String, String, String).

WARNING: JForex might delete all folder's content if folder already existed AND was not created by this method call.

Parameters:

cacheDirectory - directory where cache files should be saved

compileStrategy

void compileStrategy(String srcJavaFile,
                   boolean obfuscate)

Compile .java strategy file to .jfx file. Destination .jfx file will be located in the same directory as the source.

Parameters:

srcJavaFile - .java source file to be compiled

obfuscate - if true, the strategy will be obfuscated

Throws:

IllegalStateException - if not connected

packPluginToJfx

File packPluginToJfx(File file)

Parameters:

file - .jar source file to be packed

Returns:

the packed jfx file.

Throws:

IllegalStateException - if not connected

See Also:

packToJfx(File)

packToJfx

File packToJfx(File file)

Packs .jar a strategy, indicator or plugin file to .jfx file. Destination .jfx file will be located in the same directory as the source. The META-INF/MANIFEST.MF should contain an entry which determines the qualified name of the strategy, indicator or plugin main class (the class which will serve as the "entry point" for the platform. For instance:

jfMainClass: mypackage.MyStrategy

Parameters:

file - .jar source file to be packed

Returns:

the packed jfx file.

Throws:

IllegalStateException - if not connected

addClientGUIListener

void addClientGUIListener(IClientGUIListener clientGuiListener)

Register a IClientGUIListener which is "interested" in open / close charts from strategy

Parameters:

clientGuiListener - IClientGUIListener

removeClientGUIListener

void removeClientGUIListener(IClientGUIListener clientGuiListener)

Unregister a IClientGUIListener

Parameters:

clientGuiListener - IClientGUIListener

openChart

IChart openChart(IFeedDescriptor feedDescriptor)

Opens new chart with specified in IFeedDescriptor parameters.

Parameters:

feedDescriptor - Feed descriptor for chart to open

Returns:

IChart newly created chart

Throws:

IllegalArgumentException - when feedDescriptor not formed well

closeChart

void closeChart(IChart chart)

Close specified chart.

Parameters:

chart - Chart to close

getClientGUI

IClientGUI getClientGUI(IChart chart)

Returns IClientGUI for specified IChart.
NOTE: Can be used only by Standalone JForex API. There is no access to embedded chart's panels from JForex Platform.

Parameters:

chart - IChart

Returns:

IClientGUI for specified IChart, or null if it's not Standalone JForex API environment.

getAvailableInstruments

Set<Instrument> getAvailableInstruments()

Returns a set of operable for the current user instruments. Use this method to get all available instruments. If there is no instruments available, the method return empty set.

Returns:

Set of available instruments

getPreferences

IPreferences getPreferences()

Returns global preference holder for JForex-SDK

Returns:

global preference holder for JForex-SDK

setPreferences

void setPreferences(IPreferences preferences)

Sets global preferences for JForex-SDK Consider hiding the position labels and the closed positions from charts (needs to be called after a successful connection):

 IPreferences pref = client
     .getPreferences().chart().orders()
           .entryOrders(true)
     .preferences().chart().positions()
           .positionExternalIdLabels(false)
           .closedPositions(false)
           .openPositions(true)
     .preferences();
 client.setPreferences(pref);
 

getRemoteStrategyManager

IRemoteStrategyManager getRemoteStrategyManager()

Returns a manager for remote strategy running, stopping and monitoring

Returns:

a manager for remote strategy running, stopping and monitoring