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 javax.activation.UnsupportedDataTypeException;
  11
  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 import com.google.common.base.Optional;
  24
  25 public class XmlMapper {
  26     private static final LeafrefCodecImpl LEAFREF_DEFAULT_CODEC = new LeafrefCodecImpl(
  27             Optional.<LeafrefTypeDefinition> absent());
  28
  29     private static class LeafrefCodecImpl extends TypeDefinitionAwareCodec<Object, LeafrefTypeDefinition> implements
  30             LeafrefCodec<String> {
  31
  32         protected LeafrefCodecImpl(Optional<LeafrefTypeDefinition> typeDef) {
  33             super(typeDef, Object.class);
  34         }
  35
  36         @Override
  37         public String serialize(Object data) {
  38             return String.valueOf(data);
  39         }
  40
  41         @Override
  42         public Object deserialize(String data) {
  43             return data;
  44         }
  45     }
  46
  47     private static class XmlCodecProviderImpl implements XmlCodecProvider {
  48         @Override
  49         public TypeDefinitionAwareCodec<Object, ? extends TypeDefinition<?>> codecFor(TypeDefinition<?> baseType) {
  50             TypeDefinitionAwareCodec<Object, ? extends TypeDefinition<?>> codec = TypeDefinitionAwareCodec
  51                     .from(baseType);
  52
  53             if (codec == null) {
  54                 if (baseType instanceof Leafref) {
  55                     return LEAFREF_DEFAULT_CODEC;
  56                 }
  57             }
  58             return codec;
  59         }
  60     }
  61
  62     private static final XmlCodecProvider XML_CODEC_PROVIDER_IMPL = new XmlCodecProviderImpl();
  63
  64     public Document write(CompositeNode data, DataNodeContainer schema) throws UnsupportedDataTypeException {
  65         return XmlDocumentUtils.toDocument(data, schema, XML_CODEC_PROVIDER_IMPL);
  66     }
  67 }