2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.mdsal.binding.dom.codec.impl;
10 import com.google.common.cache.Cache;
11 import com.google.common.cache.CacheBuilder;
12 import java.util.concurrent.Callable;
13 import java.util.concurrent.ExecutionException;
14 import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
15 import org.opendaylight.yangtools.concepts.IllegalArgumentCodec;
16 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
17 import org.opendaylight.yangtools.yang.model.api.type.BitsTypeDefinition;
18 import org.opendaylight.yangtools.yang.model.api.type.EnumTypeDefinition;
21 * Value codec, which serializes / deserializes values from DOM simple values.
23 // FIXME: IllegalArgumentCodec is perhaps not appropriate here due to null behavior
24 abstract class ValueTypeCodec implements IllegalArgumentCodec<Object, Object> {
25 private static final Cache<Class<?>, SchemaUnawareCodec> STATIC_CODECS = CacheBuilder.newBuilder().weakKeys()
29 * Marker interface for codecs, which functionality will not be affected by schema change (introduction of new YANG
30 * modules) they may have one static instance generated when first time needed.
32 // FIXME: IllegalArgumentCodec is perhaps not appropriate here due to null behavior
33 interface SchemaUnawareCodec extends IllegalArgumentCodec<Object, Object> {
38 * No-op Codec, Java YANG Binding uses same types as NormalizedNode model for base YANG types, representing numbers,
39 * binary, strings and empty.
41 public static final SchemaUnawareCodec NOOP_CODEC = new SchemaUnawareCodec() {
44 public Object serialize(final Object input) {
49 public Object deserialize(final Object input) {
54 public static SchemaUnawareCodec getCodecFor(final Class<?> typeClz, final TypeDefinition<?> def) {
55 if (BindingReflections.isBindingClass(typeClz)) {
56 return getCachedSchemaUnawareCodec(typeClz, getCodecLoader(typeClz, def));
61 private static SchemaUnawareCodec getCachedSchemaUnawareCodec(final Class<?> typeClz,
62 final Callable<? extends SchemaUnawareCodec> loader) {
64 return STATIC_CODECS.get(typeClz, loader);
65 } catch (ExecutionException e) {
66 throw new IllegalStateException(e);
70 private static Callable<? extends SchemaUnawareCodec> getCodecLoader(final Class<?> typeClz,
71 final TypeDefinition<?> def) {
73 TypeDefinition<?> rootType = def;
74 while (rootType.getBaseType() != null) {
75 rootType = rootType.getBaseType();
77 if (rootType instanceof EnumTypeDefinition) {
78 return EnumerationCodec.loader(typeClz, (EnumTypeDefinition) rootType);
79 } else if (rootType instanceof BitsTypeDefinition) {
80 return BitsCodec.loader(typeClz, (BitsTypeDefinition) rootType);
82 return EncapsulatedValueCodec.loader(typeClz, def);
85 @SuppressWarnings("rawtypes")
86 static ValueTypeCodec encapsulatedValueCodecFor(final Class<?> typeClz, final TypeDefinition<?> typeDef,
87 final IllegalArgumentCodec delegate) {
88 SchemaUnawareCodec extractor = getCachedSchemaUnawareCodec(typeClz,
89 EncapsulatedValueCodec.loader(typeClz, typeDef));
90 return new CompositeValueCodec(extractor, delegate);