Move yang-data-jaxen to attic top-level directory

[yangtools.git] / attic / yang-data-jaxen / src / main / java / org / opendaylight / yangtools / yang / data / jaxen / NormalizedNodeContextSupport.java

diff --git a/attic/yang-data-jaxen/src/main/java/org/opendaylight/yangtools/yang/data/jaxen/NormalizedNodeContextSupport.java b/attic/yang-data-jaxen/src/main/java/org/opendaylight/yangtools/yang/data/jaxen/NormalizedNodeContextSupport.java
new file mode 100644 (file)
index 0000000..7cec73c
--- /dev/null
+++ b/attic/yang-data-jaxen/src/main/java/org/opendaylight/yangtools/yang/data/jaxen/NormalizedNodeContextSupport.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.yang.data.jaxen;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+import com.google.common.base.Converter;
+import java.util.Optional;
+import org.jaxen.ContextSupport;
+import org.jaxen.SimpleVariableContext;
+import org.opendaylight.yangtools.yang.common.QNameModule;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodes;
+import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
+import org.opendaylight.yangtools.yang.model.api.EffectiveModelContextProvider;
+
+final class NormalizedNodeContextSupport extends ContextSupport implements EffectiveModelContextProvider {
+    private static final long serialVersionUID = 1L;
+    private final NormalizedNodeContext root;
+
+    private NormalizedNodeContextSupport(final ConverterNamespaceContext context,
+            final NormalizedNodeNavigator navigator) {
+        super(context, YangFunctionContext.getInstance(), new SimpleVariableContext(), navigator);
+        this.root = NormalizedNodeContext.forRoot(this);
+    }
+
+    static NormalizedNodeContextSupport create(final JaxenDocument document,
+            final Converter<String, QNameModule> prefixes) {
+        final ConverterNamespaceContext context = new ConverterNamespaceContext(prefixes);
+        final NormalizedNodeNavigator navigator = new NormalizedNodeNavigator(context, document);
+
+        return new NormalizedNodeContextSupport(context, navigator);
+    }
+
+    NormalizedNodeContext createContext(final YangInstanceIdentifier path) {
+        NormalizedNodeContext result = root;
+        for (PathArgument arg : path.getPathArguments()) {
+            final Optional<NormalizedNode<?, ?>> node = NormalizedNodes.getDirectChild(result.getNode(), arg);
+            checkArgument(node.isPresent(), "Node %s has no child %s", result.getNode(), arg);
+            result = result.createChild(node.get());
+        }
+        return result;
+    }
+
+    @Override
+    public NormalizedNodeNavigator getNavigator() {
+        return (NormalizedNodeNavigator) super.getNavigator();
+    }
+
+    @Override
+    public EffectiveModelContext getEffectiveModelContext() {
+        return getNavigator().getEffectiveModelContext();
+    }
+}