opendaylight/networkconfiguration/neutron/northbound/src/main/java/org/opendaylight/controller/networkconfig/neutron/northbound/NeutronUtil.java

   1 package org.opendaylight.controller.networkconfig.neutron.northbound;
   2
   3 import org.osgi.framework.BundleContext;
   4 import org.osgi.framework.FrameworkUtil;
   5 import org.osgi.framework.ServiceReference;
   6 import org.slf4j.Logger;
   7 import org.slf4j.LoggerFactory;
   8
   9 public class NeutronUtil {
  10     private static final Logger logger = LoggerFactory
  11             .getLogger(NeutronUtil.class);
  12     public static Object[] getInstances(Class<?> clazz,Object bundle) {
  13         Object instances[] = null;
  14         try {
  15             BundleContext bCtx = FrameworkUtil.getBundle(bundle.getClass())
  16                     .getBundleContext();
  17
  18             ServiceReference<?>[] services = null;
  19                 services = bCtx.getServiceReferences(clazz.getName(),
  20                         null);
  21             if (services != null) {
  22                 instances = new Object[services.length];
  23                 for (int i = 0; i < services.length; i++) {
  24                     instances[i] = bCtx.getService(services[i]);
  25                 }
  26             }
  27         } catch (Exception e) {
  28             logger.error("Instance reference is NULL");
  29         }
  30         return instances;
  31     }
  32 }