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.opendaylight.yangtools.yang.data.api.codec.BitsCodec;
22 import org.opendaylight.yangtools.yang.model.api.type.BitsTypeDefinition;
23 import org.opendaylight.yangtools.yang.model.api.type.BitsTypeDefinition.Bit;
26 * Do not use this class outside of yangtools, its presence does not fall into the API stability contract.
29 public final class BitsStringCodec extends TypeDefinitionAwareCodec<Set<String>, BitsTypeDefinition>
30 implements BitsCodec<String> {
32 private static final Joiner JOINER = Joiner.on(" ").skipNulls();
33 private static final Splitter SPLITTER = Splitter.on(' ').omitEmptyStrings().trimResults();
35 private final ImmutableSet<String> validBits;
37 @SuppressWarnings("unchecked")
38 private BitsStringCodec(final BitsTypeDefinition typeDef) {
39 super(requireNonNull(typeDef), (Class<Set<String>>) (Class<?>) Set.class);
40 validBits = ImmutableSet.copyOf(Collections2.transform(typeDef.getBits(), Bit::getName));
43 public static BitsStringCodec from(final BitsTypeDefinition type) {
44 return new BitsStringCodec(type);
48 protected Set<String> deserializeImpl(final String product) {
49 final Set<String> strings = ImmutableSet.copyOf(SPLITTER.split(product));
51 // Normalize strings to schema first, retaining definition order
52 final List<String> sorted = new ArrayList<>(strings.size());
53 for (final String bit : validBits) {
54 if (strings.contains(bit)) {
59 // Check sizes, if the normalized set does not match non-normalized size, non-normalized strings contain
61 if (sorted.size() != strings.size()) {
62 for (final String bit : strings) {
63 checkArgument(validBits.contains(bit), "Invalid value '%s' for bits type. Allowed values are: %s", bit,
68 // In case all valid bits have been specified, retain the set we have created for this codec
69 return sorted.size() == validBits.size() ? validBits : ImmutableSet.copyOf(sorted);
73 protected String serializeImpl(final Set<String> input) {
74 return JOINER.join(input);