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.yang.data.codec.gson;
10 import com.google.common.base.Preconditions;
11 import com.google.gson.stream.JsonWriter;
12 import java.io.IOException;
14 import javax.annotation.Nonnull;
15 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
16 import org.opendaylight.yangtools.yang.data.util.AbstractModuleStringInstanceIdentifierCodec;
17 import org.opendaylight.yangtools.yang.data.util.DataSchemaContextTree;
18 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
19 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
20 import org.opendaylight.yangtools.yang.model.api.Module;
21 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
23 final class JSONStringInstanceIdentifierCodec extends AbstractModuleStringInstanceIdentifierCodec
24 implements JSONCodec<YangInstanceIdentifier> {
25 private final DataSchemaContextTree dataContextTree;
26 private final JSONCodecFactory codecFactory;
27 private final SchemaContext context;
29 JSONStringInstanceIdentifierCodec(final SchemaContext context, final JSONCodecFactory jsonCodecFactory) {
30 this.context = Preconditions.checkNotNull(context);
31 this.dataContextTree = DataSchemaContextTree.from(context);
32 this.codecFactory = Preconditions.checkNotNull(jsonCodecFactory);
36 protected Module moduleForPrefix(@Nonnull final String prefix) {
37 return context.findModuleByName(prefix, null);
41 protected String prefixForNamespace(@Nonnull final URI namespace) {
42 final Module module = context.findModuleByNamespaceAndRevision(namespace, null);
43 return module == null ? null : module.getName();
48 protected DataSchemaContextTree getDataContextTree() {
49 return dataContextTree;
53 protected Object deserializeKeyValue(final DataSchemaNode schemaNode, final String value) {
54 Preconditions.checkNotNull(schemaNode, "schemaNode cannot be null");
55 Preconditions.checkArgument(schemaNode instanceof LeafSchemaNode, "schemaNode must be of type LeafSchemaNode");
56 final JSONCodec<?> objectJSONCodec = codecFactory.codecFor(schemaNode);
57 return objectJSONCodec.deserialize(value);
61 * Serialize YangInstanceIdentifier with specified JsonWriter.
63 * @param writer JsonWriter
64 * @param value YangInstanceIdentifier
67 public void serializeToWriter(final JsonWriter writer, final YangInstanceIdentifier value) throws IOException {
68 writer.value(serialize(value));