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 static com.google.common.base.Preconditions.checkArgument;
11 import static java.util.Objects.requireNonNull;
13 import com.google.common.annotations.Beta;
14 import com.google.common.base.Joiner;
15 import com.google.common.base.Splitter;
16 import com.google.common.collect.Collections2;
17 import com.google.common.collect.ImmutableSet;
18 import java.util.ArrayList;
19 import java.util.List;
21 import org.eclipse.jdt.annotation.NonNull;
22 import org.opendaylight.yangtools.yang.data.api.codec.BitsCodec;
23 import org.opendaylight.yangtools.yang.model.api.type.BitsTypeDefinition;
24 import org.opendaylight.yangtools.yang.model.api.type.BitsTypeDefinition.Bit;
27 * Do not use this class outside of yangtools, its presence does not fall into the API stability contract.
30 public final class BitsStringCodec extends TypeDefinitionAwareCodec<Set<String>, BitsTypeDefinition>
31 implements BitsCodec<String> {
33 private static final Joiner JOINER = Joiner.on(" ").skipNulls();
34 private static final Splitter SPLITTER = Splitter.on(' ').omitEmptyStrings().trimResults();
36 private final ImmutableSet<String> validBits;
38 @SuppressWarnings("unchecked")
39 private BitsStringCodec(final @NonNull BitsTypeDefinition typeDef) {
40 super(typeDef, (Class<Set<String>>) (Class<?>) Set.class);
41 validBits = ImmutableSet.copyOf(Collections2.transform(typeDef.getBits(), Bit::getName));
44 public static BitsStringCodec from(final BitsTypeDefinition type) {
45 return new BitsStringCodec(requireNonNull(type));
49 protected Set<String> deserializeImpl(final String product) {
50 final Set<String> strings = ImmutableSet.copyOf(SPLITTER.split(product));
52 // Normalize strings to schema first, retaining definition order
53 final List<String> sorted = new ArrayList<>(strings.size());
54 for (final String bit : validBits) {
55 if (strings.contains(bit)) {
60 // Check sizes, if the normalized set does not match non-normalized size, non-normalized strings contain
62 if (sorted.size() != strings.size()) {
63 for (final String bit : strings) {
64 checkArgument(validBits.contains(bit), "Invalid value '%s' for bits type. Allowed values are: %s", bit,
69 // In case all valid bits have been specified, retain the set we have created for this codec
70 return sorted.size() == validBits.size() ? validBits : ImmutableSet.copyOf(sorted);
74 protected String serializeImpl(final Set<String> input) {
75 return JOINER.join(input);