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.EffectiveModelContext;
22 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContextProvider;
24 final class NormalizedNodeContextSupport extends ContextSupport implements EffectiveModelContextProvider {
25 private static final long serialVersionUID = 1L;
26 private final NormalizedNodeContext root;
28 private NormalizedNodeContextSupport(final ConverterNamespaceContext context,
29 final NormalizedNodeNavigator navigator) {
30 super(context, YangFunctionContext.getInstance(), new SimpleVariableContext(), navigator);
31 this.root = NormalizedNodeContext.forRoot(this);
34 static NormalizedNodeContextSupport create(final JaxenDocument document,
35 final Converter<String, QNameModule> prefixes) {
36 final ConverterNamespaceContext context = new ConverterNamespaceContext(prefixes);
37 final NormalizedNodeNavigator navigator = new NormalizedNodeNavigator(context, document);
39 return new NormalizedNodeContextSupport(context, navigator);
42 NormalizedNodeContext createContext(final YangInstanceIdentifier path) {
43 NormalizedNodeContext result = root;
44 for (PathArgument arg : path.getPathArguments()) {
45 final Optional<NormalizedNode<?, ?>> node = NormalizedNodes.getDirectChild(result.getNode(), arg);
46 checkArgument(node.isPresent(), "Node %s has no child %s", result.getNode(), arg);
47 result = result.createChild(node.get());
53 public NormalizedNodeNavigator getNavigator() {
54 return (NormalizedNodeNavigator) super.getNavigator();
58 public EffectiveModelContext getEffectiveModelContext() {
59 return getNavigator().getEffectiveModelContext();