Examples with P2Impl aQute.p2.provider.P2Impl used on opensource projects

Example 1 with P2Impl

use of aQute.p2.provider.P2Impl in project bnd by bndtools.

the class P2Indexer method readRepository.

private Repository readRepository() throws Exception {
    P2Impl p2 = new P2Impl(client, this.url, Processor.getExecutor());
    List<Artifact> artifacts = p2.getArtifacts();
    List<Promise<Resource>> fetched = new ArrayList<>(artifacts.size());
    Set<URI> visitedURIs = new HashSet<>(artifacts.size());
    Set<ArtifactID> visitedArtifacts = new HashSet<>(artifacts.size());
    Map<ArtifactID, Resource> knownResources = new HashMap<>();
    if (getBridge() != null) {
        for (Capability capability : getBridge().getRepository().findProviders(singleton(MD5_REQUIREMENT)).get(MD5_REQUIREMENT)) {
            Resource resource = capability.getResource();
            IdentityCapability identity = ResourceUtils.getIdentityCapability(resource);
            ArtifactID artifact = new ArtifactID(identity.osgi_identity(), identity.version(), (String) capability.getAttributes().get(MD5_ATTRIBUTE));
            knownResources.put(artifact, resource);
        }
    }
    for (final Artifact a : artifacts) {
        if (!visitedURIs.add(a.uri))
            continue;
        if (a.md5 != null) {
            ArtifactID id = new ArtifactID(a.id, toVersion(a.version), a.md5);
            if (!visitedArtifacts.add(id))
                continue;
            if (knownResources.containsKey(id)) {
                fetched.add(Promises.resolved(knownResources.get(id)));
                continue;
            }
        }
        Promise<Resource> promise = client.build().useCache(MAX_STALE).async(a.uri.toURL()).map(new Function<File, Resource>() {

            @Override
            public Resource apply(File file) {
                try {
                    ResourceBuilder rb = new ResourceBuilder();
                    rb.addFile(file, a.uri);
                    if (a.md5 != null)
                        rb.addCapability(new CapabilityBuilder(P2_CAPABILITY_NAMESPACE).addAttribute(MD5_ATTRIBUTE, a.md5));
                    return rb.build();
                } catch (Exception e) {
                    logger.debug("{}: Failed to create resource for %s from {}", name, a, file, e);
                    return RECOVERY;
                }
            }
        }).recover(new Function<Promise<?>, Resource>() {

            @Override
            public Resource apply(Promise<?> failed) {
                try {
                    logger.debug("{}: Failed to create resource for {}", name, a, failed.getFailure());
                } catch (InterruptedException e) {
                // impossible
                }
                return RECOVERY;
            }
        });
        fetched.add(promise);
    }
    Promise<List<Resource>> all = Promises.all(fetched);
    return all.map(new Function<List<Resource>, ResourcesRepository>() {

        @Override
        public ResourcesRepository apply(List<Resource> resources) {
            ResourcesRepository rr = new ResourcesRepository();
            for (Resource resource : resources) {
                if (resource != RECOVERY) {
                    rr.add(resource);
                }
            }
            return rr;
        }
    }).getValue();
}