opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/rest/impl/XmlMapper.java

   1 /*
   2  * Copyright (c) 2014 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 package org.opendaylight.controller.sal.rest.impl;
   9
  10 import com.google.common.base.Optional;
  11 import javax.activation.UnsupportedDataTypeException;
  12 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
  13 import org.opendaylight.yangtools.yang.data.api.codec.LeafrefCodec;
  14 import org.opendaylight.yangtools.yang.data.impl.codec.TypeDefinitionAwareCodec;
  15 import org.opendaylight.yangtools.yang.data.impl.codec.xml.XmlCodecProvider;
  16 import org.opendaylight.yangtools.yang.data.impl.codec.xml.XmlDocumentUtils;
  17 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
  18 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
  19 import org.opendaylight.yangtools.yang.model.api.type.LeafrefTypeDefinition;
  20 import org.opendaylight.yangtools.yang.model.util.Leafref;
  21 import org.w3c.dom.Document;
  22
  23 public class XmlMapper {
  24     private static final LeafrefCodecImpl LEAFREF_DEFAULT_CODEC = new LeafrefCodecImpl(
  25             Optional.<LeafrefTypeDefinition> absent());
  26
  27     private static class LeafrefCodecImpl extends TypeDefinitionAwareCodec<Object, LeafrefTypeDefinition> implements
  28             LeafrefCodec<String> {
  29
  30         protected LeafrefCodecImpl(Optional<LeafrefTypeDefinition> typeDef) {
  31             super(typeDef, Object.class);
  32         }
  33
  34         @Override
  35         public String serialize(Object data) {
  36             return String.valueOf(data);
  37         }
  38
  39         @Override
  40         public Object deserialize(String data) {
  41             return data;
  42         }
  43     }
  44
  45     private static class XmlCodecProviderImpl implements XmlCodecProvider {
  46         @Override
  47         public TypeDefinitionAwareCodec<Object, ? extends TypeDefinition<?>> codecFor(TypeDefinition<?> baseType) {
  48             TypeDefinitionAwareCodec<Object, ? extends TypeDefinition<?>> codec = TypeDefinitionAwareCodec
  49                     .from(baseType);
  50
  51             if (codec == null) {
  52                 if (baseType instanceof Leafref) {
  53                     return LEAFREF_DEFAULT_CODEC;
  54                 }
  55             }
  56             return codec;
  57         }
  58     }
  59
  60     private static final XmlCodecProvider XML_CODEC_PROVIDER_IMPL = new XmlCodecProviderImpl();
  61
  62     public Document write(CompositeNode data, DataNodeContainer schema) throws UnsupportedDataTypeException {
  63         return XmlDocumentUtils.toDocument(data, schema, XML_CODEC_PROVIDER_IMPL);
  64     }
  65 }