Initial code drop of netconf protocol implementation
[controller.git] / opendaylight / netconf / config-netconf-connector / src / main / java / org / opendaylight / controller / netconf / confignetconfconnector / mapping / attributes / fromxml / CompositeAttributeReadingStrategy.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.fromxml;
10
11 import com.google.common.base.Preconditions;
12 import com.google.common.collect.Lists;
13 import com.google.common.collect.Maps;
14 import org.opendaylight.controller.config.yangjmxgenerator.attribute.AttributeIfc;
15 import org.opendaylight.controller.config.yangjmxgenerator.attribute.TOAttribute;
16 import org.opendaylight.controller.netconf.util.xml.XmlElement;
17
18 import java.util.List;
19 import java.util.Map;
20 import java.util.Map.Entry;
21
22 public class CompositeAttributeReadingStrategy extends AbstractAttributeReadingStrategy<TOAttribute> {
23
24     private final Map<String, AttributeReadingStrategy> innerStrategies;
25
26     public CompositeAttributeReadingStrategy(TOAttribute attributeIfc,
27             Map<String, AttributeReadingStrategy> innerStrategies) {
28         super(attributeIfc);
29         this.innerStrategies = innerStrategies;
30     }
31
32     @Override
33     AttributeConfigElement readElementHook(List<XmlElement> configNodes) {
34
35         Preconditions.checkState(configNodes.size() == 1, "This element should be present only once %s", configNodes);
36
37         XmlElement complexElement = configNodes.get(0);
38
39         Map<String, Object> innerMap = Maps.newHashMap();
40
41         Map<String, AttributeIfc> inner = getAttributeIfc().getYangPropertiesToTypesMap();
42
43         List<XmlElement> recognisedChildren = Lists.newArrayList();
44         for (Entry<String, AttributeIfc> innerAttrEntry : inner.entrySet()) {
45             List<XmlElement> childItem = complexElement.getChildElementsWithSameNamespace(innerAttrEntry.getKey());
46             recognisedChildren.addAll(childItem);
47
48             AttributeConfigElement resolvedInner = innerStrategies.get(innerAttrEntry.getKey()).readElement(childItem);
49
50             innerMap.put(innerAttrEntry.getKey(), resolvedInner.getValue());
51         }
52
53         complexElement.checkUnrecognisedElements(recognisedChildren);
54
55         return AttributeConfigElement.create(getAttributeIfc(), innerMap);
56     }
57
58 }