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