Examples with Tree org.apache.karaf.bundle.command.bundletree.Tree used on opensource projects

Example 1 with Tree

use of org.apache.karaf.bundle.command.bundletree.Tree in project karaf by apache.

the class ShowBundleTree method printDuplicatePackages.

/*
     * Check for bundles in the tree exporting the same package
     * as a possible cause for 'Unresolved constraint...' on a uses-conflict
     */
private void printDuplicatePackages(Tree<Bundle> tree) {
    Set<Bundle> bundles = tree.flatten();
    Map<String, Set<Bundle>> exports = new HashMap<>();
    for (Bundle bundle : bundles) {
        for (BundleRevision revision : bundle.adapt(BundleRevisions.class).getRevisions()) {
            BundleWiring wiring = revision.getWiring();
            if (wiring != null) {
                List<BundleWire> wires = wiring.getProvidedWires(BundleRevision.PACKAGE_NAMESPACE);
                if (wires != null) {
                    for (BundleWire wire : wires) {
                        String name = wire.getCapability().getAttributes().get(BundleRevision.PACKAGE_NAMESPACE).toString();
                        exports.computeIfAbsent(name, k -> new HashSet<>()).add(bundle);
                    }
                }
            }
        }
    }
    for (String pkg : exports.keySet()) {
        if (exports.get(pkg).size() > 1) {
            System.out.printf("%n");
            System.out.printf("WARNING: multiple bundles are exporting package %s%n", pkg);
            for (Bundle bundle : exports.get(pkg)) {
                System.out.printf("- %s%n", bundle);
            }
        }
    }
}