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.Optional;
  12 import com.google.common.base.Preconditions;
  13 import com.google.common.collect.Maps;
  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 import org.opendaylight.yangtools.yang.common.Revision;
  29
  30 public class ObjectXmlReader extends AttributeIfcSwitchStatement<AttributeReadingStrategy> {
  31
  32     private String key;
  33     private Map<String, Map<Optional<Revision>, IdentityMapping>> identityMap;
  34
  35     @SuppressWarnings("checkstyle:hiddenField")
  36     public Map<String, AttributeReadingStrategy> prepareReading(final Map<String, AttributeIfc> yangToAttrConfig,
  37             final Map<String, Map<Optional<Revision>, IdentityMapping>> identityMap) {
  38         Map<String, AttributeReadingStrategy> strategies = Maps.newHashMap();
  39         this.identityMap = identityMap;
  40
  41         for (Entry<String, AttributeIfc> attributeEntry : yangToAttrConfig.entrySet()) {
  42             AttributeReadingStrategy strat = prepareReadingStrategy(attributeEntry.getKey(), attributeEntry.getValue());
  43             strategies.put(attributeEntry.getKey(), strat);
  44         }
  45         return strategies;
  46     }
  47
  48     private AttributeReadingStrategy prepareReadingStrategy(final String attrKey, final AttributeIfc attributeIfc) {
  49         this.key = attrKey;
  50         return switchAttribute(attributeIfc);
  51     }
  52
  53     @Override
  54     protected AttributeReadingStrategy caseJavaBinaryAttribute(final OpenType<?> openType) {
  55         return new SimpleBinaryAttributeReadingStrategy(getLastAttribute().getNullableDefault());
  56     }
  57
  58     @Override
  59     protected AttributeReadingStrategy caseJavaUnionAttribute(final OpenType<?> openType) {
  60         String mappingKey = JavaAttribute.DESCRIPTION_OF_VALUE_ATTRIBUTE_FOR_UNION;
  61         return new SimpleUnionAttributeReadingStrategy(getLastAttribute().getNullableDefault(), mappingKey);
  62     }
  63
  64     @Override
  65     public AttributeReadingStrategy caseJavaSimpleAttribute(final SimpleType<?> openType) {
  66         return new SimpleAttributeReadingStrategy(getLastAttribute().getNullableDefault());
  67     }
  68
  69     @Override
  70     public AttributeReadingStrategy caseJavaArrayAttribute(final ArrayType<?> openType) {
  71         SimpleAttributeReadingStrategy innerStrategy = new SimpleAttributeReadingStrategy(
  72                 getLastAttribute().getNullableDefault());
  73         return new ArrayAttributeReadingStrategy(getLastAttribute().getNullableDefault(), innerStrategy);
  74     }
  75
  76     @Override
  77     public AttributeReadingStrategy caseJavaCompositeAttribute(final CompositeType openType) {
  78         Preconditions.checkState(openType.keySet().size() == 1,
  79                 "Unexpected number of elements for open type %s, should be 1", openType);
  80         String mappingKey = openType.keySet().iterator().next();
  81         return new SimpleCompositeAttributeReadingStrategy(getLastAttribute().getNullableDefault(), mappingKey);
  82     }
  83
  84     @Override
  85     protected AttributeReadingStrategy caseJavaIdentityRefAttribute(final OpenType<?> openType) {
  86         Preconditions.checkState(openType instanceof CompositeType);
  87         Set<String> keys = ((CompositeType) openType).keySet();
  88         Preconditions.checkState(keys.size() == 1, "Unexpected number of elements for open type %s, should be 1",
  89                 openType);
  90         String mappingKey = keys.iterator().next();
  91         return new SimpleIdentityRefAttributeReadingStrategy(getLastAttribute().getNullableDefault(), mappingKey,
  92                 identityMap);
  93     }
  94
  95     @Override
  96     protected AttributeReadingStrategy caseDependencyAttribute(final SimpleType<?> openType) {
  97         return new ObjectNameAttributeReadingStrategy(getLastAttribute().getNullableDefault());
  98     }
  99
 100     @Override
 101     protected AttributeReadingStrategy caseTOAttribute(final CompositeType openType) {
 102         AttributeIfc lastAttribute = getLastAttribute();
 103         Preconditions.checkState(lastAttribute instanceof TOAttribute);
 104         Map<String, AttributeIfc> inner = ((TOAttribute) lastAttribute).getYangPropertiesToTypesMap();
 105
 106         Map<String, AttributeReadingStrategy> innerStrategies = Maps.newHashMap();
 107
 108         for (Entry<String, AttributeIfc> innerAttrEntry : inner.entrySet()) {
 109             AttributeReadingStrategy innerStrat = prepareReadingStrategy(innerAttrEntry.getKey(),
 110                     innerAttrEntry.getValue());
 111             innerStrategies.put(innerAttrEntry.getKey(), innerStrat);
 112         }
 113         return new CompositeAttributeReadingStrategy(lastAttribute.getNullableDefault(), innerStrategies);
 114     }
 115
 116     @Override
 117     protected AttributeReadingStrategy caseListAttribute(final ArrayType<?> openType) {
 118         AttributeIfc lastAttribute = getLastAttribute();
 119         Preconditions.checkState(lastAttribute instanceof ListAttribute);
 120         AttributeReadingStrategy innerStrategy = prepareReadingStrategy(key,
 121                 ((ListAttribute) lastAttribute).getInnerAttribute());
 122         return new ArrayAttributeReadingStrategy(lastAttribute.getNullableDefault(), innerStrategy);
 123     }
 124
 125     @Override
 126     protected AttributeReadingStrategy caseListDependeciesAttribute(final ArrayType<?> openType) {
 127         AttributeIfc lastAttribute = getLastAttribute();
 128         Preconditions.checkState(lastAttribute instanceof ListDependenciesAttribute);
 129         AttributeReadingStrategy innerStrategy = caseDependencyAttribute(SimpleType.OBJECTNAME);
 130         return new ArrayAttributeReadingStrategy(lastAttribute.getNullableDefault(), innerStrategy);
 131     }
 132 }