opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/sal/dom/broker/osgi/ProxyFactory.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.sal.dom.broker.osgi;
   9
  10 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
  11 import org.opendaylight.controller.md.sal.dom.api.DOMMountPointService;
  12 import org.opendaylight.controller.sal.core.api.BrokerService;
  13 import org.opendaylight.controller.sal.core.api.model.SchemaService;
  14 import org.osgi.framework.ServiceReference;
  15
  16 import java.util.Arrays;
  17
  18 @SuppressWarnings("unchecked")
  19 public class ProxyFactory {
  20
  21     public static <T extends BrokerService> T createProxy(
  22             final ServiceReference<T> serviceRef, final T service) {
  23
  24         Object _createProxyImpl = ProxyFactory.createProxyImpl(serviceRef,
  25                 service);
  26         return ((T) _createProxyImpl);
  27     }
  28
  29     private static Object _createProxyImpl(final ServiceReference<?> ref,
  30             final DOMMountPointService service) {
  31
  32         return new DOMMountPointServiceProxy(
  33                 ((ServiceReference<DOMMountPointService>) ref), service);
  34     }
  35
  36     private static Object _createProxyImpl(final ServiceReference<?> ref,
  37             final SchemaService service) {
  38
  39         return new SchemaServiceProxy(((ServiceReference<SchemaService>) ref),
  40                 service);
  41     }
  42
  43     private static DOMDataBrokerProxy _createProxyImpl(
  44             final ServiceReference<?> ref, final DOMDataBroker service) {
  45
  46         return new DOMDataBrokerProxy(((ServiceReference<DOMDataBroker>) ref),
  47                 service);
  48     }
  49
  50     private static Object _createProxyImpl(final ServiceReference<?> reference,
  51             final BrokerService service) {
  52
  53        return service;
  54     }
  55
  56     private static Object createProxyImpl(final ServiceReference<?> ref,
  57             final BrokerService service) {
  58
  59         if (service instanceof DOMDataBroker) {
  60             return _createProxyImpl(ref, (DOMDataBroker) service);
  61         } else if (service instanceof SchemaService) {
  62             return _createProxyImpl(ref, (SchemaService) service);
  63         } else if (service instanceof DOMMountPointService) {
  64             return _createProxyImpl(ref, (DOMMountPointService) service);
  65         } else if (service != null) {
  66             return _createProxyImpl(ref, service);
  67         } else {
  68             throw new IllegalArgumentException("Unhandled parameter types: "
  69                     + Arrays.<Object> asList(ref, service).toString());
  70         }
  71     }
  72 }