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 static com.google.common.base.Preconditions.checkArgument;
11 import static java.util.Objects.requireNonNull;
13 import com.google.gson.stream.JsonWriter;
14 import java.io.IOException;
15 import java.util.Iterator;
16 import org.opendaylight.yangtools.yang.common.XMLNamespace;
17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
18 import org.opendaylight.yangtools.yang.data.util.AbstractModuleStringInstanceIdentifierCodec;
19 import org.opendaylight.yangtools.yang.data.util.DataSchemaContextTree;
20 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
21 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
22 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
23 import org.opendaylight.yangtools.yang.model.api.Module;
25 abstract class JSONInstanceIdentifierCodec extends AbstractModuleStringInstanceIdentifierCodec
26 implements JSONCodec<YangInstanceIdentifier> {
27 private final DataSchemaContextTree dataContextTree;
28 private final JSONCodecFactory codecFactory;
29 private final EffectiveModelContext context;
31 JSONInstanceIdentifierCodec(final EffectiveModelContext context, final JSONCodecFactory jsonCodecFactory) {
32 this.context = requireNonNull(context);
33 this.dataContextTree = DataSchemaContextTree.from(context);
34 this.codecFactory = requireNonNull(jsonCodecFactory);
38 protected final Module moduleForPrefix(final String prefix) {
39 final Iterator<? extends Module> modules = context.findModules(prefix).iterator();
40 return modules.hasNext() ? modules.next() : null;
44 protected final String prefixForNamespace(final XMLNamespace namespace) {
45 final Iterator<? extends Module> modules = context.findModules(namespace).iterator();
46 return modules.hasNext() ? modules.next().getName() : null;
50 protected final DataSchemaContextTree getDataContextTree() {
51 return dataContextTree;
55 protected final Object deserializeKeyValue(final DataSchemaNode schemaNode, final String value) {
56 requireNonNull(schemaNode, "schemaNode cannot be null");
57 checkArgument(schemaNode instanceof LeafSchemaNode, "schemaNode must be of type LeafSchemaNode");
58 final JSONCodec<?> objectJSONCodec = codecFactory.codecFor((LeafSchemaNode) schemaNode);
59 return objectJSONCodec.parseValue(null, value);
63 public final Class<YangInstanceIdentifier> getDataType() {
64 return YangInstanceIdentifier.class;
68 public final YangInstanceIdentifier parseValue(final Object ctx, final String str) {
69 return deserialize(str);
73 public final void writeValue(final JsonWriter ctx, final YangInstanceIdentifier value) throws IOException {
74 ctx.value(serialize(value));