diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/OpenSLX/Utils.pm | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/lib/OpenSLX/Utils.pm b/lib/OpenSLX/Utils.pm index 611d6eb8..1c78f802 100644 --- a/lib/OpenSLX/Utils.pm +++ b/lib/OpenSLX/Utils.pm @@ -21,16 +21,17 @@ $VERSION = 1.01; @ISA = qw(Exporter); @EXPORT = qw( - ©File &fakeFile &linkFile &slurpFile + ©File &fakeFile &linkFile &slurpFile &instantiateClass ); ################################################################################ ### Module implementation ################################################################################ use Carp; -use OpenSLX::Basics; use File::Basename; +use OpenSLX::Basics; + sub copyFile { my $fileName = shift; @@ -86,4 +87,27 @@ sub slurpFile close(F); return $text; } + +sub instantiateClass +{ + my $class = shift; + my $requestedVersion = shift; + + unless (eval "require $class") { + if ($! == 2) { + die _tr("Class <%s> not found!\n", $class); + } else { + die _tr("Unable to load class <%s> (%s)\n", $class, $@); + } + } + if (defined $requestedVersion) { + my $classVersion = $class->VERSION; + if ($classVersion < $requestedVersion) { + die _tr('Could not load class <%s> (Version <%s> required, but <%s> found)', + $class, $requestedVersion, $classVersion); + } + } + return $class->new; +} + 1;
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