bundles4-test/src/main/java/org/opendaylight/odlparent/bundles4test/ServiceReferenceUtil.java

   1 /*
   2  * Copyright (c) 2016 Red Hat, 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.odlparent.bundles4test;
   9
  10 import java.util.Arrays;
  11 import java.util.Collections;
  12 import java.util.HashMap;
  13 import java.util.List;
  14 import java.util.Map;
  15 import java.util.stream.Collectors;
  16 import org.osgi.framework.Bundle;
  17 import org.osgi.framework.ServiceReference;
  18 import org.slf4j.Logger;
  19 import org.slf4j.LoggerFactory;
  20
  21 /**
  22  * Utilities for OSGi's {@link ServiceReference}.
  23  *
  24  * @author Michael Vorburger.ch
  25  */
  26 public class ServiceReferenceUtil {
  27
  28     private static final Logger LOG = LoggerFactory.getLogger(ServiceReferenceUtil.class);
  29
  30     public Map<String, Object> getProperties(ServiceReference<?> serviceRef) {
  31         String[] propertyKeys = serviceRef.getPropertyKeys();
  32         Map<String, Object> properties = new HashMap<>(propertyKeys.length);
  33         for (String propertyKey : propertyKeys) {
  34             Object propertyValue = serviceRef.getProperty(propertyKey);
  35             if (propertyValue != null) {
  36                 if (propertyValue.getClass().isArray()) {
  37                     propertyValue = Arrays.asList((Object[]) propertyValue);
  38                 }
  39             }
  40             // maintain the null value in the property map anyway
  41             properties.put(propertyKey, propertyValue);
  42         }
  43         return properties;
  44     }
  45
  46     public List<String> getUsingBundleSymbolicNames(ServiceReference<?> serviceRef) {
  47         Bundle[] usingBundles = serviceRef.getUsingBundles();
  48         if (usingBundles == null) {
  49             return Collections.emptyList();
  50         } else {
  51             return Arrays.asList(usingBundles).stream()
  52                 .map(bundle -> bundle.getSymbolicName()).collect(Collectors.toList());
  53         }
  54     }
  55
  56 }