Examples with Resource org.osgi.resource.Resource used on opensource projects

Example 41 with Resource

use of org.osgi.resource.Resource in project karaf by apache.

the class JsonRepository method doRead.

protected boolean doRead(InputStream is) throws IOException {
    Map<String, Map<String, String>> metadatas = verify(JsonReader.read(is));
    lock.writeLock().lock();
    try {
        resources.clear();
        capSets.clear();
        for (Map.Entry<String, Map<String, String>> metadata : metadatas.entrySet()) {
            try {
                Resource resource = ResourceBuilder.build(metadata.getKey(), metadata.getValue());
                addResource(resource);
            } catch (Exception e) {
                LOGGER.info("Unable to build resource for " + metadata.getKey(), e);
            }
        }
        return true;
    } finally {
        lock.writeLock().unlock();
    }
}

Example 42 with Resource

use of org.osgi.resource.Resource in project aries by apache.

the class SubsystemResource method findContent.

private Resource findContent(Requirement requirement) throws BundleException, IOException, InvalidSyntaxException, URISyntaxException {
    Map<Requirement, Collection<Capability>> map;
    // the case of a persisted subsystem.
    if (isUnscoped()) {
        map = Activator.getInstance().getSystemRepository().findProviders(Collections.singleton(requirement));
        if (map.containsKey(requirement)) {
            Collection<Capability> capabilities = map.get(requirement);
            for (Capability capability : capabilities) {
                Resource provider = capability.getResource();
                if (provider instanceof BundleRevision) {
                    if (getRegion().contains(((BundleRevision) provider).getBundle())) {
                        return provider;
                    }
                } else if (provider instanceof BasicSubsystem) {
                    if (getRegion().equals(((BasicSubsystem) provider).getRegion())) {
                        return provider;
                    }
                }
            }
        }
    }
    // First search the local repository.
    map = resource.getLocalRepository().findProviders(Collections.singleton(requirement));
    Collection<Capability> capabilities = map.get(requirement);
    if (capabilities.isEmpty()) {
        // Nothing found in the local repository so search the repository services.
        capabilities = new RepositoryServiceRepository().findProviders(requirement);
    }
    if (capabilities.isEmpty()) {
        // Nothing found period.
        return null;
    }
    for (Capability capability : capabilities) {
        if (!IdentityNamespace.TYPE_FRAGMENT.equals(capability.getAttributes().get(IdentityNamespace.CAPABILITY_TYPE_ATTRIBUTE))) {
            // See ARIES-1425.
            return capability.getResource();
        }
    }
    // Nothing here but fragment bundles. Return the first one.
    return capabilities.iterator().next().getResource();
}

Example 43 with Resource

use of org.osgi.resource.Resource in project aries by apache.

the class SubsystemResource method setImportIsolationPolicy.

private void setImportIsolationPolicy(Map<Resource, List<Wire>> resolution) throws Exception {
    if (!isApplication()) {
        return;
    }
    SubsystemContentHeader contentHeader = getSubsystemManifest().getSubsystemContentHeader();
    // Prepare the regions and filter builder to set the sharing policy.
    Region from = getRegion();
    Region to = ((BasicSubsystem) getParents().iterator().next()).getRegion();
    RegionFilterBuilder builder = from.getRegionDigraph().createRegionFilterBuilder();
    // Always provide visibility to this subsystem's service registration.
    addSubsystemServiceImportToSharingPolicy(builder, to);
    for (Resource resource : resolution.keySet()) {
        if (!contentHeader.contains(resource)) {
            continue;
        }
        // If the resource is content but the wire provider is not,
        // the sharing policy must be updated.
        List<Wire> wires = resolution.get(resource);
        for (Wire wire : wires) {
            Resource provider = wire.getProvider();
            // visible.
            if (contentHeader.contains(provider)) {
                continue;
            }
            // requirements become part of the sharing policy.
            if (!(wire.getCapability() instanceof DependencyCalculator.MissingCapability) && Constants.ResourceTypeSynthesized.equals(ResourceHelper.getTypeAttribute(provider))) {
                continue;
            }
            // The requirement must be added to the sharing policy.
            Requirement requirement = wire.getRequirement();
            List<String> namespaces = new ArrayList<String>(2);
            namespaces.add(requirement.getNamespace());
            if (ServiceNamespace.SERVICE_NAMESPACE.equals(namespaces.get(0))) {
                // Both service capabilities and services must be visible.
                namespaces.add(RegionFilter.VISIBLE_SERVICE_NAMESPACE);
            }
            String filter = requirement.getDirectives().get(Namespace.REQUIREMENT_FILTER_DIRECTIVE);
            if (filter == null) {
                for (String namespace : namespaces) builder.allowAll(namespace);
            } else {
                for (String namespace : namespaces) builder.allow(namespace, filter);
            }
        }
    }
    // Always add access to osgi.ee and osgi.native namespaces
    setImplicitAccessToNativeAndEECapabilities(builder);
    // Now set the sharing policy, if the regions are different.
    RegionFilter regionFilter = builder.build();
    from.connectRegion(to, regionFilter);
}

Example 44 with Resource

use of org.osgi.resource.Resource in project aries by apache.

the class SubsystemResource method computeContentResources.

private void computeContentResources(SubsystemManifest manifest) throws BundleException, IOException, InvalidSyntaxException, URISyntaxException {
    SubsystemContentHeader contentHeader = manifest.getSubsystemContentHeader();
    if (contentHeader == null)
        return;
    for (SubsystemContentHeader.Clause clause : contentHeader.getClauses()) {
        Requirement requirement = clause.toRequirement(this);
        Resource resource = findContent(requirement);
        if (resource == null) {
            if (clause.isMandatory())
                throw new SubsystemException("A required content resource could not be found. This means the resource was either missing or not recognized as a supported resource format due to, for example, an invalid bundle manifest or blueprint XML file. Turn on debug logging for more information. The resource was: " + requirement);
            continue;
        }
        addContentResource(resource);
    }
}

Example 45 with Resource

use of org.osgi.resource.Resource in project aries by apache.

the class SubsystemResource method getRequirements.

@Override
public List<Requirement> getRequirements(String namespace) {
    if (isScoped())
        return resource.getRequirements(namespace);
    else {
        ArrayList<Requirement> result = new ArrayList<Requirement>();
        result.addAll(resource.getRequirements(namespace));
        for (Resource r : getContentResources()) result.addAll(r.getRequirements(namespace));
        result.trimToSize();
        return result;
    }
}