private RegionFilter createFilter(final String... packageNames) throws InvalidSyntaxException {
Collection<String> filters = new ArrayList<String>(packageNames.length);
for (String pkg : packageNames) {
filters.add('(' + RegionFilter.VISIBLE_PACKAGE_NAMESPACE + '=' + pkg + ')');
}
RegionFilterBuilder builder = digraph.createRegionFilterBuilder();
for (String filter : filters) {
builder.allow(RegionFilter.VISIBLE_PACKAGE_NAMESPACE, filter);
}
return builder.build();
}
private RegionFilter createBundleFilter(String bundleSymbolicName, Version bundleVersion)
throws InvalidSyntaxException {
String bundleFilter =
"(&("
+ RegionFilter.VISIBLE_BUNDLE_NAMESPACE
+ '='
+ bundleSymbolicName
+ ')'
+ '('
+ Constants.BUNDLE_VERSION_ATTRIBUTE
+ ">="
+ (bundleVersion == null ? "0" : bundleVersion.toString())
+ "))";
RegionFilterBuilder builder = digraph.createRegionFilterBuilder();
return builder.allow(RegionFilter.VISIBLE_BUNDLE_NAMESPACE, bundleFilter).build();
}