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