--- trunk/lib/WebPAC/Input.pm	2005/12/18 22:16:39	288
+++ trunk/lib/WebPAC/Input.pm	2005/12/18 22:16:44	289
@@ -92,21 +92,23 @@
 	$module =~ s#::#/#g;
 	$module .= '.pm';
 	$log->debug("require low-level module $self->{module} from $module");
+
 	require $module;
-	eval $self->{module} .'->import';
+	#eval $self->{module} .'->import';
 
 	# check if required subclasses are implemented
-	foreach my $subclass (qw/open_db fetch_rec/) {
-		if ( $self->can($subclass) ) {
-			$log->debug("imported $subclass");
+	foreach my $subclass (qw/open_db fetch_rec init/) {
+		my $n = $self->{module} . '::' . $subclass;
+		if (! defined &{ $n }) {
+			$log->logwarn("missing implementation of $subclass");
 		} else {
-			$log->warn("missing $subclass in $self->{module}");
+			$self->{$subclass} = \&{ $n };
 		}
 	}
 
-	if ($self->can('init')) {
+	if ($self->{init}) {
 		$log->debug("calling init");
-		$self->init(@_);
+		$self->{init}->($self, @_);
 	}
 
 	$self->{'code_page'} ||= 'ISO-8859-2';
@@ -181,7 +183,7 @@
 	# create Text::Iconv object
 	$self->{iconv} = Text::Iconv->new($code_page,$self->{'code_page'});
 
-	my ($db, $size) = $self->open_db(
+	my ($db, $size) = $self->{open_db}->( $self, 
 		path => $arg->{path},
 	);
 
@@ -221,7 +223,7 @@
 
 		$log->debug("position: $pos\n");
 
-		my $rec = $self->fetch_rec( $db, $pos );
+		my $rec = $self->{fetch_rec}->($self, $db, $pos );
 
 		if (! $rec) {
 			$log->warn("record $pos empty? skipping...");