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## $Id$ |
## $Id$ |
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## -------------------------------------------------------------------------------- |
## -------------------------------------------------------------------------------- |
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## $Log$ |
## $Log$ |
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## Revision 1.10 2003/02/20 20:50:32 joko |
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## + small exception handling: now inheriting from little Exception object |
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## |
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## Revision 1.9 2003/02/18 18:35:30 joko |
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## + encapsulated/abstracted some more functionality: sub load_single |
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## |
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## Revision 1.8 2003/02/14 14:20:05 joko |
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## + modified mixin behaviour |
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## |
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## Revision 1.7 2003/02/11 10:34:19 joko |
## Revision 1.7 2003/02/11 10:34:19 joko |
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## + loaded module may now lack 'mixin::with' declaration |
## + loaded module may now lack 'mixin::with' declaration |
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## + this gets us the possibility to load modules from any perl namespace |
## + this gets us the possibility to load modules from any perl namespace |
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use strict; |
use strict; |
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use warnings; |
use warnings; |
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use base qw( DesignPattern::Object ); |
use base qw( |
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DesignPattern::Object |
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DesignPattern::Exception |
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); |
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use Data::Dumper; |
use Data::Dumper; |
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sub load { |
sub load { |
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my $self = shift; |
my $self = shift; |
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my $modulename = shift; |
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my $options = shift; |
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if (ref $modulename eq 'ARRAY') { |
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foreach (@$modulename) { |
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$self->load_single($_, $options); |
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} |
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} else { |
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$self->load_single($modulename, $options); |
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} |
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} |
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sub load_single { |
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my $self = shift; |
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my $modulename_load = shift; |
my $modulename_load = shift; |
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my $options = shift; |
my $options = shift; |
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# this is the module testing phase - use mixin doesn't seem to propagate errors by default |
# this is the module testing phase - use mixin doesn't seem to propagate errors by default |
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eval("use $package;"); |
eval("use $package;"); |
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$self->checkExceptions(); |
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=pod |
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if ($@) { |
if ($@) { |
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$meta->{loaded}->{$package} = 0; |
$meta->{loaded}->{$package} = 0; |
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# include caller information |
# include caller information |
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print $msg, "\n"; |
print $msg, "\n"; |
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} |
} |
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} |
} |
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=cut |
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#print "ref-1: ", ref $self, "\n"; |
#print "ref-1: ", ref $self, "\n"; |
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#print "ref-2: ", ref $self::SUPER, "\n"; |
#print "ref-2: ", ref $self::SUPER, "\n"; |
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#bless $self, $package; |
#bless $self, $package; |
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# V2: |
# V2: |
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$self->mixinPackage($package); |
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if (my $method = $options->{method}) { |
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$self->$method(); |
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} |
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return 1; |
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} |
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sub mixinPackage { |
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my $self = shift; |
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my $package = shift; |
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# switch into foreign package and prepare for mixin |
# switch into foreign package and prepare for mixin |
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$self->mixin_prepare($package); |
$self->mixin_prepare($package); |
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# switch into local package (scope which uses DesignPattern::Bridge) and mixin plugin-module |
# switch into local package (scope which uses DesignPattern::Bridge) and mixin plugin-module |
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$self->mixin_do($package); |
$self->mixin_do($package); |
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if (my $method = $options->{method}) { |
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$self->$method(); |
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} |
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return 1; |
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} |
} |
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# TODO: maybe refactor to DesignPattern::Object? what about the '$logger'? |
# TODO: maybe refactor to DesignPattern::Object? what about the '$logger'? |