com.izforge.izpack.installer.requirement
Class LockFileChecker

java.lang.Object
  com.izforge.izpack.installer.requirement.LockFileChecker

All Implemented Interfaces:

RequirementChecker

public class LockFileChecker
extends Object
implements RequirementChecker

Determines if another installation is in progress, by checking for the existence of a lock file.

Author:

Tim Anderson

Constructor Summary

LockFileChecker(AutomatedInstallData installData, Prompt prompt)
Constructs a LockFileChecker.

Method Summary

boolean	check() Determines if installation requirements are met.
protected boolean	handleLockFile(File file) Invoked when the lock file already exists.

Methods inherited from class java.lang.Object

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

Constructor Detail

LockFileChecker

public LockFileChecker(AutomatedInstallData installData,
                       Prompt prompt)

Constructs a LockFileChecker.

Parameters:

installData - the installation data

prompt - the prompt

Method Detail

check

public boolean check()

Determines if installation requirements are met.

Specified by:

check in interface RequirementChecker

Returns:

true if requirements are met, otherwise false

handleLockFile

protected boolean handleLockFile(File file)

Invoked when the lock file already exists.

Parameters:

file - the lock file

Returns:

true if the user wants to proceed with installation, false if they want to cancel