ServiceResource.java 文件源码

/**
 * Constructor for service resource
 *
 * @param serviceReference the service reference
 */
public ServiceResource(ServiceReference serviceReference) {
    super(SERVICES_PATH.addElements(Long.toString((Long) serviceReference.getProperty(Constants.SERVICE_ID))));
    m_serviceReference = serviceReference;
    List<Relation> relations = new ArrayList<Relation>();
    // Bundle from which this service is registered
    Bundle bundle = m_serviceReference.getBundle();
    Path bundlePath = BundleResourceManager.getInstance().getPath().addElements(Long.toString(bundle.getBundleId()));
    relations.add(new DefaultRelation(bundlePath, Action.READ, FROM_BUNDLE_NAME));
    //Package of the bundle that is exposed for this service
    String[] packageNames = packageNamesFromService(m_serviceReference);
    BundleRevision rev = bundle.adapt(BundleRevision.class);
    List<BundleCapability> capabilities = rev.getDeclaredCapabilities(PACKAGE_NAMESPACE);
    BundleCapability capability = null;
    //TODO go find the package
    for (BundleCapability cap : capabilities) {
        for (String packageName : packageNames) {
            if (cap.getAttributes().get(PACKAGE_NAMESPACE).equals(packageName)) {
                //System.out.println(serviceReference.getProperty(Constants.OBJECTCLASS)+" - "+packageName);
                capability = cap;
            }
        }
    }
    if (capability != null) {
        Path packagePath = PackageResourceManager.getInstance().getPath().add(Path.from(Path.SEPARATOR + uniqueCapabilityId(capability)));
        relations.add(new DefaultRelation(packagePath, Action.READ, FROM_PACKAGE_NAME));
    }

    // Create relations
    setRelations(relations);
}