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.jaxen;
10 import com.google.common.base.Converter;
11 import com.google.common.base.Optional;
12 import com.google.common.base.Preconditions;
13 import org.jaxen.ContextSupport;
14 import org.jaxen.SimpleVariableContext;
15 import org.opendaylight.yangtools.yang.common.QNameModule;
16 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
18 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
19 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodes;
20 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
22 final class NormalizedNodeContextSupport extends ContextSupport {
23 private static final long serialVersionUID = 1L;
24 private final NormalizedNodeContext root;
26 private NormalizedNodeContextSupport(final ConverterNamespaceContext context,
27 final NormalizedNodeNavigator navigator) {
28 super(context, YangFunctionContext.getInstance(), new SimpleVariableContext(), navigator);
29 this.root = new NormalizedNodeContext(this, navigator.getRootNode(), null);
32 static NormalizedNodeContextSupport create(final JaxenDocument document, final Converter<String, QNameModule> prefixes) {
33 final ConverterNamespaceContext context = new ConverterNamespaceContext(prefixes);
34 final NormalizedNodeNavigator navigator = new NormalizedNodeNavigator(context, document);
36 return new NormalizedNodeContextSupport(context, navigator);
39 NormalizedNodeContext createContext(final YangInstanceIdentifier path) {
40 NormalizedNodeContext result = root;
41 for (PathArgument arg : path.getPathArguments()) {
42 final Optional<NormalizedNode<?, ?>> node = NormalizedNodes.getDirectChild(result.getNode(), arg);
43 Preconditions.checkArgument(node.isPresent(), "Node %s has no child %s", result.getNode(), arg);
44 result = new NormalizedNodeContext(this, node.get(), result);
50 SchemaContext getSchemaContext() {
51 return getNavigator().getSchemaContext();
55 public NormalizedNodeNavigator getNavigator() {
56 return (NormalizedNodeNavigator) super.getNavigator();