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

   1 package org.opendaylight.controller.sal.rest.impl;
   2
   3 import javax.activation.UnsupportedDataTypeException;
   4
   5 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
   6 import org.opendaylight.yangtools.yang.data.api.codec.LeafrefCodec;
   7 import org.opendaylight.yangtools.yang.data.impl.codec.TypeDefinitionAwareCodec;
   8 import org.opendaylight.yangtools.yang.data.impl.codec.xml.XmlCodecProvider;
   9 import org.opendaylight.yangtools.yang.data.impl.codec.xml.XmlDocumentUtils;
  10 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
  11 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
  12 import org.opendaylight.yangtools.yang.model.api.type.LeafrefTypeDefinition;
  13 import org.opendaylight.yangtools.yang.model.util.Leafref;
  14 import org.w3c.dom.Document;
  15
  16 import com.google.common.base.Optional;
  17
  18 public class XmlMapper {
  19     private static final LeafrefCodecImpl LEAFREF_DEFAULT_CODEC = new LeafrefCodecImpl(
  20             Optional.<LeafrefTypeDefinition> absent());
  21
  22     private static class LeafrefCodecImpl extends TypeDefinitionAwareCodec<Object, LeafrefTypeDefinition> implements
  23             LeafrefCodec<String> {
  24
  25         protected LeafrefCodecImpl(Optional<LeafrefTypeDefinition> typeDef) {
  26             super(typeDef, Object.class);
  27         }
  28
  29         @Override
  30         public String serialize(Object data) {
  31             return String.valueOf(data);
  32         }
  33
  34         @Override
  35         public Object deserialize(String data) {
  36             return data;
  37         }
  38     }
  39
  40     private static class XmlCodecProviderImpl implements XmlCodecProvider {
  41         @Override
  42         public TypeDefinitionAwareCodec<Object, ? extends TypeDefinition<?>> codecFor(TypeDefinition<?> baseType) {
  43             TypeDefinitionAwareCodec<Object, ? extends TypeDefinition<?>> codec = TypeDefinitionAwareCodec
  44                     .from(baseType);
  45
  46             if (codec == null) {
  47                 if (baseType instanceof Leafref) {
  48                     return LEAFREF_DEFAULT_CODEC;
  49                 }
  50             }
  51             return codec;
  52         }
  53     }
  54
  55     private static final XmlCodecProvider XML_CODEC_PROVIDER_IMPL = new XmlCodecProviderImpl();
  56
  57     public Document write(CompositeNode data, DataNodeContainer schema) throws UnsupportedDataTypeException {
  58         return XmlDocumentUtils.toDocument(data, schema, XML_CODEC_PROVIDER_IMPL);
  59     }
  60 }