opendaylight/config/config-manager-facade-xml/src/main/java/org/opendaylight/controller/config/facade/xml/mapping/attributes/fromxml/ObjectXmlReader.java

   1 /*
   2  * Copyright (c) 2015, 2017 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.config.facade.xml.mapping.attributes.fromxml;
  10
  11 import com.google.common.base.Preconditions;
  12 import com.google.common.collect.Maps;
  13 import java.util.Date;
  14 import java.util.Map;
  15 import java.util.Map.Entry;
  16 import java.util.Set;
  17 import javax.management.openmbean.ArrayType;
  18 import javax.management.openmbean.CompositeType;
  19 import javax.management.openmbean.OpenType;
  20 import javax.management.openmbean.SimpleType;
  21 import org.opendaylight.controller.config.facade.xml.mapping.IdentityMapping;
  22 import org.opendaylight.controller.config.facade.xml.mapping.attributes.AttributeIfcSwitchStatement;
  23 import org.opendaylight.controller.config.yangjmxgenerator.attribute.AttributeIfc;
  24 import org.opendaylight.controller.config.yangjmxgenerator.attribute.JavaAttribute;
  25 import org.opendaylight.controller.config.yangjmxgenerator.attribute.ListAttribute;
  26 import org.opendaylight.controller.config.yangjmxgenerator.attribute.ListDependenciesAttribute;
  27 import org.opendaylight.controller.config.yangjmxgenerator.attribute.TOAttribute;
  28
  29 public class ObjectXmlReader extends AttributeIfcSwitchStatement<AttributeReadingStrategy> {
  30
  31     private String key;
  32     private Map<String, Map<Date, IdentityMapping>> identityMap;
  33
  34     public Map<String, AttributeReadingStrategy> prepareReading(final Map<String, AttributeIfc> yangToAttrConfig,
  35             final Map<String, Map<Date, IdentityMapping>> identityMap) {
  36         Map<String, AttributeReadingStrategy> strategies = Maps.newHashMap();
  37         this.identityMap = identityMap;
  38
  39         for (Entry<String, AttributeIfc> attributeEntry : yangToAttrConfig.entrySet()) {
  40             AttributeReadingStrategy strat = prepareReadingStrategy(attributeEntry.getKey(), attributeEntry.getValue());
  41             strategies.put(attributeEntry.getKey(), strat);
  42         }
  43         return strategies;
  44     }
  45
  46     private AttributeReadingStrategy prepareReadingStrategy(final String key, final AttributeIfc attributeIfc) {
  47         this.key = key;
  48         return switchAttribute(attributeIfc);
  49     }
  50
  51     @Override
  52     protected AttributeReadingStrategy caseJavaBinaryAttribute(final OpenType<?> openType) {
  53         return new SimpleBinaryAttributeReadingStrategy(getLastAttribute().getNullableDefault());
  54     }
  55
  56     @Override
  57     protected AttributeReadingStrategy caseJavaUnionAttribute(final OpenType<?> openType) {
  58         String mappingKey = JavaAttribute.DESCRIPTION_OF_VALUE_ATTRIBUTE_FOR_UNION;
  59         return new SimpleUnionAttributeReadingStrategy(getLastAttribute().getNullableDefault(), mappingKey);
  60     }
  61
  62     @Override
  63     public AttributeReadingStrategy caseJavaSimpleAttribute(final SimpleType<?> openType) {
  64         return new SimpleAttributeReadingStrategy(getLastAttribute().getNullableDefault());
  65     }
  66
  67     @Override
  68     public AttributeReadingStrategy caseJavaArrayAttribute(final ArrayType<?> openType) {
  69         SimpleAttributeReadingStrategy innerStrategy = new SimpleAttributeReadingStrategy(
  70                 getLastAttribute().getNullableDefault());
  71         return new ArrayAttributeReadingStrategy(getLastAttribute().getNullableDefault(), innerStrategy);
  72     }
  73
  74     @Override
  75     public AttributeReadingStrategy caseJavaCompositeAttribute(final CompositeType openType) {
  76         Preconditions.checkState(openType.keySet().size() == 1,
  77                 "Unexpected number of elements for open type %s, should be 1", openType);
  78         String mappingKey = openType.keySet().iterator().next();
  79         return new SimpleCompositeAttributeReadingStrategy(getLastAttribute().getNullableDefault(), mappingKey);
  80     }
  81
  82     @Override
  83     protected AttributeReadingStrategy caseJavaIdentityRefAttribute(final OpenType<?> openType) {
  84         Preconditions.checkState(openType instanceof CompositeType);
  85         Set<String> keys = ((CompositeType) openType).keySet();
  86         Preconditions.checkState(keys.size() == 1, "Unexpected number of elements for open type %s, should be 1",
  87                 openType);
  88         String mappingKey = keys.iterator().next();
  89         return new SimpleIdentityRefAttributeReadingStrategy(getLastAttribute().getNullableDefault(), mappingKey,
  90                 identityMap);
  91     }
  92
  93     @Override
  94     protected AttributeReadingStrategy caseDependencyAttribute(final SimpleType<?> openType) {
  95         return new ObjectNameAttributeReadingStrategy(getLastAttribute().getNullableDefault());
  96     }
  97
  98     @Override
  99     protected AttributeReadingStrategy caseTOAttribute(final CompositeType openType) {
 100         AttributeIfc lastAttribute = getLastAttribute();
 101         Preconditions.checkState(lastAttribute instanceof TOAttribute);
 102         Map<String, AttributeIfc> inner = ((TOAttribute) lastAttribute).getYangPropertiesToTypesMap();
 103
 104         Map<String, AttributeReadingStrategy> innerStrategies = Maps.newHashMap();
 105
 106         for (Entry<String, AttributeIfc> innerAttrEntry : inner.entrySet()) {
 107             AttributeReadingStrategy innerStrat = prepareReadingStrategy(innerAttrEntry.getKey(),
 108                     innerAttrEntry.getValue());
 109             innerStrategies.put(innerAttrEntry.getKey(), innerStrat);
 110         }
 111         return new CompositeAttributeReadingStrategy(lastAttribute.getNullableDefault(), innerStrategies);
 112     }
 113
 114     @Override
 115     protected AttributeReadingStrategy caseListAttribute(final ArrayType<?> openType) {
 116         AttributeIfc lastAttribute = getLastAttribute();
 117         Preconditions.checkState(lastAttribute instanceof ListAttribute);
 118         AttributeReadingStrategy innerStrategy = prepareReadingStrategy(key,
 119                 ((ListAttribute) lastAttribute).getInnerAttribute());
 120         return new ArrayAttributeReadingStrategy(lastAttribute.getNullableDefault(), innerStrategy);
 121     }
 122
 123     @Override
 124     protected AttributeReadingStrategy caseListDependeciesAttribute(final ArrayType<?> openType) {
 125         AttributeIfc lastAttribute = getLastAttribute();
 126         Preconditions.checkState(lastAttribute instanceof ListDependenciesAttribute);
 127         AttributeReadingStrategy innerStrategy = caseDependencyAttribute(SimpleType.OBJECTNAME);
 128         return new ArrayAttributeReadingStrategy(lastAttribute.getNullableDefault(), innerStrategy);
 129     }
 130 }