/** * Recursively adds the given {@link BundleDescription} and its dependents to the given {@link * Set} * * @param desc the {@link BundleDescription} to compute dependencies for * @param set the {@link Set} to collect results in * @param includeOptional if optional dependencies should be included * @param excludeFragments a collection of <b>fragment</b> bundle symbolic names to exclude from * the dependency resolution */ private static void addBundleAndDependencies( BundleDescription desc, Set<String> set, boolean includeOptional, Set<String> excludeFragments) { if (desc != null && set.add(desc.getSymbolicName())) { BundleSpecification[] required = desc.getRequiredBundles(); for (int i = 0; i < required.length; i++) { if (includeOptional || !required[i].isOptional()) { addBundleAndDependencies( (BundleDescription) required[i].getSupplier(), set, includeOptional, excludeFragments); } } ImportPackageSpecification[] importedPkgs = desc.getImportPackages(); for (int i = 0; i < importedPkgs.length; i++) { ExportPackageDescription exporter = (ExportPackageDescription) importedPkgs[i].getSupplier(); // Continue if the Imported Package is unresolved of the package is optional and don't want // optional packages if (exporter == null || (!includeOptional && Constants.RESOLUTION_OPTIONAL.equals( importedPkgs[i].getDirective(Constants.RESOLUTION_DIRECTIVE)))) { continue; } addBundleAndDependencies(exporter.getExporter(), set, includeOptional, excludeFragments); } BundleDescription[] fragments = desc.getFragments(); for (int i = 0; i < fragments.length; i++) { if (!fragments[i].isResolved()) { continue; } String id = fragments[i].getSymbolicName(); if (!excludeFragments.contains(id)) { addBundleAndDependencies(fragments[i], set, includeOptional, excludeFragments); } } HostSpecification host = desc.getHost(); if (host != null) { addBundleAndDependencies( (BundleDescription) host.getSupplier(), set, includeOptional, excludeFragments); } } }
private Object[] getDependencies(BundleDescription desc) { // use map to store dependencies so if Import-Package is supplied by same BundleDescription as // supplier of Require-Bundle, it only shows up once // Also, have to use BundleSpecficiation instead of BundleDescroption to show re-exported icon // on re-exported Required-Bundles // Have to use ImportPackageSpecification to determine if an import is optional and should be // filtered. HashMap<Object, Object> dependencies = new HashMap<Object, Object>(); BundleSpecification[] requiredBundles = desc.getRequiredBundles(); for (int i = 0; i < requiredBundles.length; i++) { BaseDescription bd = requiredBundles[i].getSupplier(); if (bd != null) dependencies.put(bd, requiredBundles[i]); else dependencies.put(requiredBundles[i], requiredBundles[i]); } ImportPackageSpecification[] importedPkgs = desc.getImportPackages(); for (int i = 0; i < importedPkgs.length; i++) { BaseDescription bd = importedPkgs[i].getSupplier(); if (bd != null && bd instanceof ExportPackageDescription) { BundleDescription exporter = ((ExportPackageDescription) bd).getExporter(); if (exporter != null) { Object obj = dependencies.get(exporter); if (obj == null) { dependencies.put(exporter, importedPkgs[i]); } else if (!Constants.RESOLUTION_OPTIONAL.equals( importedPkgs[i].getDirective(Constants.RESOLUTION_DIRECTIVE)) && obj instanceof ImportPackageSpecification && Constants.RESOLUTION_OPTIONAL.equals( ((ImportPackageSpecification) obj) .getDirective(Constants.RESOLUTION_DIRECTIVE))) { // if we have a non-optional Import-Package dependency on a bundle which we already // depend on, check to make sure our // current dependency is not optional. If it is, replace the optional dependency with // the non-optional one dependencies.put(exporter, importedPkgs[i]); } } } // ignore unresolved packages } // include fragments which are "linked" to this bundle BundleDescription frags[] = desc.getFragments(); for (int i = 0; i < frags.length; i++) { if (!frags[i].equals(fFragmentDescription)) dependencies.put(frags[i], frags[i]); } return dependencies.values().toArray(); }