2 * Copyright (c) 2015 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.yang.data.impl.codec;
10 import com.google.common.base.Joiner;
11 import com.google.common.base.Optional;
12 import com.google.common.base.Preconditions;
13 import com.google.common.base.Splitter;
14 import com.google.common.collect.ImmutableSet;
15 import com.google.common.collect.Sets;
16 import java.util.List;
18 import org.opendaylight.yangtools.yang.data.api.codec.BitsCodec;
19 import org.opendaylight.yangtools.yang.model.api.type.BitsTypeDefinition;
20 import org.opendaylight.yangtools.yang.model.api.type.BitsTypeDefinition.Bit;
22 final class BitsStringCodec extends TypeDefinitionAwareCodec<Set<String>, BitsTypeDefinition>
23 implements BitsCodec<String> {
25 private static final Joiner JOINER = Joiner.on(" ").skipNulls();
26 private static final Splitter SPLITTER = Splitter.on(' ').omitEmptyStrings().trimResults();
28 private final Set<String> bits;
30 @SuppressWarnings("unchecked")
31 private BitsStringCodec(final Optional<BitsTypeDefinition> typeDef) {
32 super(typeDef, (Class<Set<String>>) ((Class<?>) Set.class));
33 if (typeDef.isPresent()) {
34 final List<Bit> yangBits = typeDef.get().getBits();
35 final Set<String> bitsBuilder = Sets.newHashSet();
36 for (final Bit bit : yangBits) {
37 bitsBuilder.add(bit.getName());
39 bits = ImmutableSet.copyOf(bitsBuilder);
45 static TypeDefinitionAwareCodec<?, BitsTypeDefinition> from(final BitsTypeDefinition normalizedType) {
46 return new BitsStringCodec(Optional.fromNullable(normalizedType));
50 public String serialize(final Set<String> data) {
51 return data == null ? "" : JOINER.join(data);
55 public Set<String> deserialize(final String stringRepresentation) {
56 if (stringRepresentation == null) {
57 return ImmutableSet.of();
60 final Iterable<String> strings = SPLITTER.split(stringRepresentation);
62 return ImmutableSet.copyOf(strings);
65 private void validate(final Iterable<String> strings) {
67 for (final String bit : strings) {
68 Preconditions.checkArgument(bits.contains(bit),
69 "Invalid value '%s' for bits type. Allowed values are: %s", bit, bits);