question: private boolean checkValidWorkspace ( final Shell shell , final URL url ) { if ( url == null ) { return false ; } if ( WORKSPACE_CHECK_REFERENCE_BUNDLE_VERSION == null ) { return true ; } final Version version = readWorkspaceVersion ( url ) ; if ( version == null ) { return true ; } final Version ide_version = toMajorMinorVersion ( WORKSPACE_CHECK_REFERENCE_BUNDLE_VERSION ) ; final Version workspace_version = toMajorMinorVersion ( version ) ; final int versionCompareResult = workspace_version . compareTo ( ide_version ) ; if ( versionCompareResult == 0 ) { return true ; } int severity ; String title ; String message ; if ( versionCompareResult < 0 ) { severity = INFORMATION ; title = IDEApplication_versionTitle_olderWorkspace ; message = NLS . bind ( IDEApplication_versionMessage_olderWorkspace , url . getFile ( ) ) ; } else { severity = WARNING ; title = IDEApplication_versionTitle_newerWorkspace ; message = NLS . bind ( IDEApplication_versionMessage_newerWorkspace , url . getFile ( ) ) ; } final MessageDialog dialog = new MessageDialog ( shell , title , null , message , severity , new String [ ] { IDialogConstants . OK_LABEL , IDialogConstants . CANCEL_LABEL } , 0 ) ; return dialog . open ( ) == Window . OK ; }
target:  Return true if the argument directory is ok to use as a workspace and false otherwise. A version check will be performed, and a confirmation box may be displayed on the argument shell if an older version is detected.