opendaylight/netconf/config-netconf-connector/src/main/java/org/opendaylight/controller/netconf/confignetconfconnector/mapping/attributes/mapping/CompositeAttributeMappingStrategy.java

   1 /*
   2  * Copyright (c) 2013 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
   9 package org.opendaylight.controller.netconf.confignetconfconnector.mapping.attributes.mapping;
  10
  11 import com.google.common.base.Optional;
  12 import com.google.common.base.Preconditions;
  13 import com.google.common.collect.Maps;
  14 import org.opendaylight.controller.netconf.confignetconfconnector.util.Util;
  15
  16 import javax.management.openmbean.CompositeDataSupport;
  17 import javax.management.openmbean.CompositeType;
  18 import javax.management.openmbean.OpenType;
  19 import java.util.Map;
  20 import java.util.Set;
  21
  22 public class CompositeAttributeMappingStrategy extends
  23         AbstractAttributeMappingStrategy<Map<String, Object>, CompositeType> {
  24
  25     private final Map<String, AttributeMappingStrategy<?, ? extends OpenType<?>>> innerStrategies;
  26     private final Map<String, String> jmxToJavaNameMapping;
  27
  28     public CompositeAttributeMappingStrategy(CompositeType compositeType,
  29             Map<String, AttributeMappingStrategy<?, ? extends OpenType<?>>> innerStrategies,
  30             Map<String, String> jmxToJavaNameMapping) {
  31         super(compositeType);
  32         this.innerStrategies = innerStrategies;
  33         this.jmxToJavaNameMapping = jmxToJavaNameMapping;
  34     }
  35
  36     @Override
  37     public Optional<Map<String, Object>> mapAttribute(Object value) {
  38         if (value == null){
  39             return Optional.absent();
  40         }
  41
  42         Util.checkType(value, CompositeDataSupport.class);
  43
  44         CompositeDataSupport compositeData = (CompositeDataSupport) value;
  45         CompositeType currentType = compositeData.getCompositeType();
  46         CompositeType expectedType = getOpenType();
  47
  48         Set<String> expectedCompositeTypeKeys = expectedType.keySet();
  49         Set<String> currentCompositeTypeKeys = currentType.keySet();
  50         Preconditions.checkArgument(expectedCompositeTypeKeys.equals(currentCompositeTypeKeys),
  51                 "Composite type mismatch, expected composite type with attributes " + expectedCompositeTypeKeys
  52                         + " but was " + currentCompositeTypeKeys);
  53
  54         Map<String, Object> retVal = Maps.newHashMap();
  55
  56         for (String jmxName : jmxToJavaNameMapping.keySet()) {
  57             Optional<?> mapped = mapInnerAttribute(compositeData, jmxName, expectedType.getDescription(jmxName));
  58             if(mapped.isPresent()){
  59                 retVal.put(jmxToJavaNameMapping.get(jmxName), mapped.get());
  60             }
  61         }
  62
  63         return Optional.of(retVal);
  64     }
  65
  66     protected Optional<?> mapInnerAttribute(CompositeDataSupport compositeData, String jmxName, String description) {
  67         Object innerValue = compositeData.get(jmxName);
  68
  69         AttributeMappingStrategy<?, ? extends OpenType<?>> attributeMappingStrategy = innerStrategies
  70                 .get(jmxName);
  71         return attributeMappingStrategy.mapAttribute(innerValue);
  72     }
  73
  74 }