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;
21 final class NormalizedNodeContextSupport extends ContextSupport {
22 private static final long serialVersionUID = 1L;
23 private final NormalizedNodeContext root;
25 private NormalizedNodeContextSupport(final ConverterNamespaceContext context,
26 final NormalizedNodeNavigator navigator) {
27 super(context, YangFunctionContext.getInstance(), new SimpleVariableContext(), navigator);
28 this.root = new NormalizedNodeContext(this, navigator.getRootNode(), null);
31 static NormalizedNodeContextSupport create(final JaxenDocument document, final Converter<String, QNameModule> prefixes) {
32 final ConverterNamespaceContext context = new ConverterNamespaceContext(prefixes);
33 final NormalizedNodeNavigator navigator = new NormalizedNodeNavigator(context, document);
35 return new NormalizedNodeContextSupport(context, navigator);
38 NormalizedNodeContext createContext(final YangInstanceIdentifier path) {
39 NormalizedNodeContext result = root;
40 for (PathArgument arg : path.getPathArguments()) {
41 final Optional<NormalizedNode<?, ?>> node = NormalizedNodes.getDirectChild(result.getNode(), arg);
42 Preconditions.checkArgument(node.isPresent(), "Node %s has no child %s", result.getNode(), arg);
43 result = new NormalizedNodeContext(this, node.get(), result);
50 public NormalizedNodeNavigator getNavigator() {
51 return (NormalizedNodeNavigator) super.getNavigator();