opendaylight/netconf/config-netconf-connector/src/main/java/org/opendaylight/controller/netconf/confignetconfconnector/mapping/attributes/resolving/CompositeAttributeResolvingStrategy.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.resolving;
  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 import org.slf4j.Logger;
  16 import org.slf4j.LoggerFactory;
  17
  18 import javax.management.openmbean.CompositeDataSupport;
  19 import javax.management.openmbean.CompositeType;
  20 import javax.management.openmbean.OpenDataException;
  21 import javax.management.openmbean.OpenType;
  22 import java.util.Map;
  23
  24 class CompositeAttributeResolvingStrategy extends
  25         AbstractAttributeResolvingStrategy<CompositeDataSupport, CompositeType> {
  26     private final Map<String, AttributeResolvingStrategy<?, ? extends OpenType<?>>> innerTypes;
  27     private final Map<String, String> yangToJavaAttrMapping;
  28
  29     private static final Logger logger = LoggerFactory.getLogger(CompositeAttributeResolvingStrategy.class);
  30
  31     CompositeAttributeResolvingStrategy(Map<String, AttributeResolvingStrategy<?, ? extends OpenType<?>>> innerTypes,
  32             CompositeType openType, Map<String, String> yangToJavaAttrMapping) {
  33         super(openType);
  34         this.innerTypes = innerTypes;
  35         this.yangToJavaAttrMapping = yangToJavaAttrMapping;
  36     }
  37
  38     @Override
  39     public String toString() {
  40         return "ResolvedCompositeAttribute [" + innerTypes + "]";
  41     }
  42
  43     @Override
  44     public Optional<CompositeDataSupport> parseAttribute(String attrName, Object value) {
  45
  46         if (value == null) {
  47             return Optional.absent();
  48         }
  49
  50         Util.checkType(value, Map.class);
  51         Map<?, ?> valueMap = (Map<?, ?>) value;
  52         valueMap = preprocessValueMap(valueMap);
  53
  54         Map<String, Object> items = Maps.newHashMap();
  55         Map<String, OpenType<?>> openTypes = Maps.newHashMap();
  56
  57         for (Object innerAttrName : innerTypes.keySet()) {
  58             Preconditions.checkState(innerAttrName instanceof String, "Attribute name must be string");
  59             String innerAttrNameStr = (String) innerAttrName;
  60
  61             AttributeResolvingStrategy<?, ? extends OpenType<?>> attributeResolvingStrategy = innerTypes
  62                     .get(innerAttrName);
  63
  64             Object valueToParse = valueMap.get(innerAttrName);
  65
  66             Optional<?> parsedInnerValue = attributeResolvingStrategy.parseAttribute(innerAttrNameStr, valueToParse);
  67
  68             openTypes.put(innerAttrNameStr, attributeResolvingStrategy.getOpenType());
  69
  70             items.put(yangToJavaAttrMapping.get(innerAttrNameStr),
  71                     parsedInnerValue.isPresent() ? parsedInnerValue.get() : null);
  72         }
  73
  74         CompositeDataSupport parsedValue;
  75         try {
  76             parsedValue = new CompositeDataSupport(getOpenType(), items);
  77         } catch (OpenDataException e) {
  78             throw new RuntimeException("An error occured during restoration of composite type " + this
  79                     + " for attribute " + attrName + " from value " + value, e);
  80         }
  81
  82         logger.debug("Attribute {} : {} parsed to type {} as {}", attrName, value, getOpenType(), parsedValue);
  83
  84         return Optional.of(parsedValue);
  85     }
  86
  87     protected Map<?, ?> preprocessValueMap(Map<?, ?> valueMap) {
  88         return valueMap;
  89     }
  90 }