org.openqa.selenium.server

Class BrowserSessionFactory

java.lang.Object

org.openqa.selenium.server.BrowserSessionFactory

public class BrowserSessionFactory
extends Object

Manages browser sessions, their creation, and their closure.

Maintains a cache of unused and available browser sessions in case the server is reusing sessions. Also manages the creation and finalization of all browser sessions.

Author:

[email protected] (Jennifer Bevan)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BrowserSessionFactory.BrowserSessionInfo Collection class to hold the objects associated with a browser session.
protected class	BrowserSessionFactory.CleanupTask TimerTask that looks for unused sessions in the availableSessions collection.

Field Summary

Fields

Modifier and Type	Field and Description
protected Set<BrowserSessionFactory.BrowserSessionInfo>	activeSessions
protected Set<BrowserSessionFactory.BrowserSessionInfo>	availableSessions

Constructor Summary

Constructors

Modifier	Constructor and Description
	BrowserSessionFactory(BrowserLauncherFactory blf)
protected	BrowserSessionFactory(BrowserLauncherFactory blf, long cleanupInterval, long maxIdleSessionTime, boolean doCleanup) Constructor for testing purposes.

Method Summary

Modifier and Type	Method and Description
protected void	addToAvailableSessions(BrowserSessionFactory.BrowserSessionInfo sessionInfo) for testing only
protected BrowserSessionFactory.BrowserSessionInfo	createNewRemoteSession(String browserString, String startURL, String extensionJs, org.openqa.selenium.Capabilities browserConfiguration, boolean ensureClean, RemoteControlConfiguration configuration) Creates and tries to open a new session.
protected void	deregisterExternalSession(BrowserSessionFactory.BrowserSessionInfo sessionInfo) Removes a previously registered external browser session from the list of active sessions.
protected void	endAllBrowserSessions(RemoteControlConfiguration configuration) Ends all browser sessions.
void	endBrowserSession(boolean forceClose, String sessionId, RemoteControlConfiguration configuration) Ends a browser session, using SeleniumServer static fields to populate parameters.
protected void	endBrowserSession(boolean forceClose, String sessionId, RemoteControlConfiguration configuration, boolean ensureClean) Ends a browser session.
void	endBrowserSession(String sessionId, RemoteControlConfiguration configuration) Ends a browser session, using SeleniumServer static fields to populate parameters.
protected BrowserSessionFactory.BrowserSessionInfo	getNewBrowserSession(String browserString, String startURL, String extensionJs, org.openqa.selenium.Capabilities browserConfigurations, boolean useCached, boolean ensureClean, RemoteControlConfiguration configuration) Gets a new browser session
BrowserSessionFactory.BrowserSessionInfo	getNewBrowserSession(String browserString, String startURL, String extensionJs, org.openqa.selenium.Capabilities browserConfigurations, RemoteControlConfiguration configuration) Gets a new browser session, using the SeleniumServer static fields to populate parameters.
protected FrameGroupCommandQueueSet	getQueueSet(String sessionId) Isolated dependency
protected BrowserSessionFactory.BrowserSessionInfo	grabAvailableSession(String browserString, String baseUrl) Retrieves an available, unused session from the cache.
protected boolean	hasActiveSession(String sessionId) for testing only
protected boolean	hasAvailableSession(String sessionId) for testing only
protected BrowserSessionFactory.BrowserSessionInfo	lookupInfoByBrowserAndUrl(String browserString, String baseUrl, Set<BrowserSessionFactory.BrowserSessionInfo> set) Looks up a session in the named set by browser string and base URL
protected BrowserSessionFactory.BrowserSessionInfo	lookupInfoBySessionId(String sessionId, Set<BrowserSessionFactory.BrowserSessionInfo> set) Looks up a session in the named set by session id
protected FrameGroupCommandQueueSet	makeQueueSet(String sessionId, int port, RemoteControlConfiguration configuration) Isolated dependency
protected boolean	registerExternalSession(BrowserSessionFactory.BrowserSessionInfo sessionInfo) Adds a browser session that was not created by this factory to the set of active sessions.
protected void	removeIdleAvailableSessions()
protected void	shutdownBrowserAndClearSessionData(BrowserSessionFactory.BrowserSessionInfo sessionInfo) Shuts down this browser session's launcher and clears out its session data (if session is not null).

Methods inherited from class java.lang.Object

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

Field Detail

availableSessions

protected final Set<BrowserSessionFactory.BrowserSessionInfo> availableSessions

activeSessions

protected final Set<BrowserSessionFactory.BrowserSessionInfo> activeSessions

Constructor Detail

BrowserSessionFactory

public BrowserSessionFactory(BrowserLauncherFactory blf)

BrowserSessionFactory

protected BrowserSessionFactory(BrowserLauncherFactory blf,
                                long cleanupInterval,
                                long maxIdleSessionTime,
                                boolean doCleanup)

Constructor for testing purposes.

Parameters:

blf - an injected BrowserLauncherFactory.

cleanupInterval - the time between idle available session cleaning sweeps.

maxIdleSessionTime - the max time in ms for an available session to be idle.

doCleanup - whether or not the idle session cleanup thread should run.

Method Detail

getNewBrowserSession

public BrowserSessionFactory.BrowserSessionInfo getNewBrowserSession(String browserString,
                                                                     String startURL,
                                                                     String extensionJs,
                                                                     org.openqa.selenium.Capabilities browserConfigurations,
                                                                     RemoteControlConfiguration configuration)
                                                              throws RemoteCommandException

Gets a new browser session, using the SeleniumServer static fields to populate parameters.

Parameters:

browserString - browser name string

startURL - starting url

extensionJs - per-session user extension Javascript

configuration - Remote Control configuration. Cannot be null.

browserConfigurations - capabilities of requested browser

Returns:

the BrowserSessionInfo for the new browser session.

Throws:

RemoteCommandException - remote command exception if new session fails

getNewBrowserSession

protected BrowserSessionFactory.BrowserSessionInfo getNewBrowserSession(String browserString,
                                                                        String startURL,
                                                                        String extensionJs,
                                                                        org.openqa.selenium.Capabilities browserConfigurations,
                                                                        boolean useCached,
                                                                        boolean ensureClean,
                                                                        RemoteControlConfiguration configuration)
                                                                 throws RemoteCommandException

Gets a new browser session

Parameters:

browserString - browser name string

startURL - starting url

extensionJs - per-session user extension Javascript

configuration - Remote Control configuration. Cannot be null.

useCached - if a cached session should be used if one is available

ensureClean - if a clean session (e.g. no previous cookies) is required.

browserConfigurations - capabilities of requested browser

Returns:

the BrowserSessionInfo for the new browser session.

Throws:

RemoteCommandException - remote command exception if new session fails

endAllBrowserSessions

protected void endAllBrowserSessions(RemoteControlConfiguration configuration)

Ends all browser sessions.

Active and available but inactive sessions are ended.

Parameters:

configuration - remote control configuration

endBrowserSession

public void endBrowserSession(String sessionId,
                              RemoteControlConfiguration configuration)

Ends a browser session, using SeleniumServer static fields to populate parameters.

Parameters:

sessionId - the id of the session to be ended

configuration - Remote Control configuration. Cannot be null.

endBrowserSession

public void endBrowserSession(boolean forceClose,
                              String sessionId,
                              RemoteControlConfiguration configuration)

Ends a browser session, using SeleniumServer static fields to populate parameters.

Parameters:

forceClose - if the session should not be reused

sessionId - the id of the session to be ended

configuration - Remote Control configuration. Cannot be null.

endBrowserSession

protected void endBrowserSession(boolean forceClose,
                                 String sessionId,
                                 RemoteControlConfiguration configuration,
                                 boolean ensureClean)

Ends a browser session.

Parameters:

forceClose - if the session should not be reused

sessionId - the id of the session to be ended

configuration - Remote Control configuration. Cannot be null.

ensureClean - if clean sessions (e.g. no leftover cookies) are required.

shutdownBrowserAndClearSessionData

protected void shutdownBrowserAndClearSessionData(BrowserSessionFactory.BrowserSessionInfo sessionInfo)

Shuts down this browser session's launcher and clears out its session data (if session is not null).

Parameters:

sessionInfo - the browser session to end.

grabAvailableSession

protected BrowserSessionFactory.BrowserSessionInfo grabAvailableSession(String browserString,
                                                                        String baseUrl)

Retrieves an available, unused session from the cache.

Parameters:

browserString - the necessary browser for a suitable session

baseUrl - the necessary baseUrl for a suitable session

Returns:

the session info of the cached session, null if none found.

makeQueueSet

protected FrameGroupCommandQueueSet makeQueueSet(String sessionId,
                                                 int port,
                                                 RemoteControlConfiguration configuration)

Isolated dependency

Parameters:

sessionId - session id

port - port

configuration - Remote Control Configuration

Returns:

a new FrameGroupCommandQueueSet instance

getQueueSet

protected FrameGroupCommandQueueSet getQueueSet(String sessionId)

Isolated dependency

Parameters:

sessionId - session id

Returns:

an existing FrameGroupCommandQueueSet instance

createNewRemoteSession

protected BrowserSessionFactory.BrowserSessionInfo createNewRemoteSession(String browserString,
                                                                          String startURL,
                                                                          String extensionJs,
                                                                          org.openqa.selenium.Capabilities browserConfiguration,
                                                                          boolean ensureClean,
                                                                          RemoteControlConfiguration configuration)
                                                                   throws RemoteCommandException

Creates and tries to open a new session.

Parameters:

browserString - browser name string

startURL - starting url

extensionJs - per-session user extension javascript

configuration - Remote Control configuration. Cannot be null.

browserConfiguration - capabilities of requested browser

ensureClean - if a clean session is required

Returns:

the BrowserSessionInfo of the new session.

Throws:

RemoteCommandException - if the browser failed to launch and request work in the required amount of time.

registerExternalSession

protected boolean registerExternalSession(BrowserSessionFactory.BrowserSessionInfo sessionInfo)

Adds a browser session that was not created by this factory to the set of active sessions.

Allows for creation of unmanaged sessions (i.e. no FrameGroupCommandQueueSet) for task such as running the HTML tests (see HTMLLauncher.java). All fields other than session are required to be non-null.

Parameters:

sessionInfo - the session info to register.

Returns:

true if session was registered

deregisterExternalSession

protected void deregisterExternalSession(BrowserSessionFactory.BrowserSessionInfo sessionInfo)

Removes a previously registered external browser session from the list of active sessions.

Parameters:

sessionInfo - the session to remove.

lookupInfoBySessionId

protected BrowserSessionFactory.BrowserSessionInfo lookupInfoBySessionId(String sessionId,
                                                                         Set<BrowserSessionFactory.BrowserSessionInfo> set)

Looks up a session in the named set by session id

Parameters:

sessionId - the session id to find

set - the Set to inspect

Returns:

the matching BrowserSessionInfo or null if not found.

lookupInfoByBrowserAndUrl

protected BrowserSessionFactory.BrowserSessionInfo lookupInfoByBrowserAndUrl(String browserString,
                                                                             String baseUrl,
                                                                             Set<BrowserSessionFactory.BrowserSessionInfo> set)

Looks up a session in the named set by browser string and base URL

Parameters:

browserString - the browser string to match

baseUrl - the base URL to match.

set - the Set to inspect

Returns:

the matching BrowserSessionInfo or null if not found.

removeIdleAvailableSessions

protected void removeIdleAvailableSessions()

hasActiveSession

protected boolean hasActiveSession(String sessionId)

for testing only

Parameters:

sessionId - session id

Returns:

true if it has one

hasAvailableSession

protected boolean hasAvailableSession(String sessionId)

for testing only

Parameters:

sessionId - session id

Returns:

true if it has one

addToAvailableSessions

protected void addToAvailableSessions(BrowserSessionFactory.BrowserSessionInfo sessionInfo)

for testing only

Parameters:

sessionInfo - browser sesssion info