2 * Copyright (c) 2017 Pantheon Technologies s.r.o. 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
9 package org.opendaylight.mdsal.binding.javav2.dom.codec.impl.value;
11 import com.google.common.annotations.Beta;
12 import com.google.common.base.Preconditions;
13 import com.google.common.collect.ImmutableBiMap;
14 import java.util.HashMap;
16 import java.util.concurrent.Callable;
17 import org.opendaylight.mdsal.binding.javav2.dom.codec.impl.value.ValueTypeCodec.SchemaUnawareCodec;
18 import org.opendaylight.mdsal.binding.javav2.generator.util.JavaIdentifier;
19 import org.opendaylight.mdsal.binding.javav2.generator.util.JavaIdentifierNormalizer;
20 import org.opendaylight.yangtools.yang.model.api.type.EnumTypeDefinition;
21 import org.opendaylight.yangtools.yang.model.api.type.EnumTypeDefinition.EnumPair;
24 final class EnumerationCodec extends ReflectionBasedCodec implements SchemaUnawareCodec {
26 private final ImmutableBiMap<String, Enum<?>> yangValueToBinding;
28 private EnumerationCodec(final Class<? extends Enum<?>> enumeration, final Map<String, Enum<?>> schema) {
30 yangValueToBinding = ImmutableBiMap.copyOf(schema);
33 static Callable<EnumerationCodec> loader(final Class<?> returnType, final EnumTypeDefinition enumSchema) {
34 Preconditions.checkArgument(Enum.class.isAssignableFrom(returnType));
35 @SuppressWarnings({ "rawtypes", "unchecked" })
36 final Class<? extends Enum<?>> enumType = (Class) returnType;
38 final Map<String, Enum<?>> nameToValue = new HashMap<>();
39 for (final Enum<?> enumValue : enumType.getEnumConstants()) {
40 nameToValue.put(enumValue.toString(), enumValue);
42 final Map<String, Enum<?>> yangNameToBinding = new HashMap<>();
43 for (final EnumPair yangValue : enumSchema.getValues()) {
44 final String bindingName = JavaIdentifierNormalizer.normalizeSpecificIdentifier(yangValue.getName(),
45 JavaIdentifier.ENUM_VALUE);
46 final Enum<?> bindingVal = nameToValue.get(bindingName);
47 yangNameToBinding.put(yangValue.getName(), bindingVal);
49 return new EnumerationCodec(enumType, yangNameToBinding);
54 public Object deserialize(final Object input) {
55 final Enum<?> value = yangValueToBinding.get(input);
56 Preconditions.checkArgument(value != null, "Invalid enumeration value %s. Valid values are %s", input,
57 yangValueToBinding.keySet());
62 public Object serialize(final Object input) {
63 Preconditions.checkArgument(getTypeClass().isInstance(input), "Input must be instance of %s", getTypeClass());
64 return yangValueToBinding.inverse().get(input);