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.yangtools.binding.data.codec.impl;
10 import com.google.common.base.Preconditions;
11 import com.google.common.collect.ImmutableBiMap;
13 import java.util.HashMap;
15 import java.util.concurrent.Callable;
17 import org.opendaylight.yangtools.yang.binding.BindingMapping;
18 import org.opendaylight.yangtools.yang.model.api.type.EnumTypeDefinition;
19 import org.opendaylight.yangtools.yang.model.api.type.EnumTypeDefinition.EnumPair;
21 class EnumerationCodec extends ReflectionBasedCodec {
23 ImmutableBiMap<String, Enum<?>> yangValueToBinding;
25 public EnumerationCodec(final Class<? extends Enum<?>> enumeration, final Map<String, Enum<?>> schema) {
27 yangValueToBinding = ImmutableBiMap.copyOf(schema);
30 static Callable<ReflectionBasedCodec> loader(final Class<?> returnType,
31 final EnumTypeDefinition enumSchema) {
32 Preconditions.checkArgument(Enum.class.isAssignableFrom(returnType));
33 @SuppressWarnings({ "rawtypes", "unchecked" })
34 final Class<? extends Enum<?>> enumType = (Class) returnType;
35 return new Callable<ReflectionBasedCodec>() {
37 public ReflectionBasedCodec call() throws Exception {
39 Map<String, Enum<?>> nameToValue = new HashMap<>();
40 for (Enum<?> enumValue : enumType.getEnumConstants()) {
41 nameToValue.put(enumValue.toString(), enumValue);
43 Map<String, Enum<?>> yangNameToBinding = new HashMap<>();
44 for (EnumPair yangValue : enumSchema.getValues()) {
45 final String bindingName = BindingMapping.getClassName(yangValue.getName());
46 final Enum<?> bindingVal = nameToValue.get(bindingName);
47 yangNameToBinding.put(yangValue.getName(), bindingVal);
49 return new EnumerationCodec(enumType, yangNameToBinding);
56 public Object deserialize(final Object input) {
57 Enum<?> value = yangValueToBinding.get(input);
58 Preconditions.checkArgument(value != null, "Invalid enumeration value %s. Valid values are %s", input,
59 yangValueToBinding.keySet());
64 public Object serialize(final Object input) {
65 Preconditions.checkArgument(typeClass.isInstance(input), "Input must be instance of %s", typeClass);
66 return yangValueToBinding.inverse().get(input);