yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/builder/impl/ImmutableLeafNodeBuilder.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.yangtools.yang.data.impl.schema.builder.impl;
   9
  10 import org.eclipse.jdt.annotation.NonNull;
  11 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  12 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
  13 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeBuilder;
  14 import org.opendaylight.yangtools.yang.data.impl.schema.nodes.AbstractImmutableNormalizedSimpleValueNode;
  15
  16 public class ImmutableLeafNodeBuilder<T>
  17         extends AbstractImmutableNormalizedNodeBuilder<NodeIdentifier, T, LeafNode<T>> {
  18
  19     public static <T> @NonNull NormalizedNodeBuilder<NodeIdentifier, T, LeafNode<T>> create() {
  20         return new ImmutableLeafNodeBuilder<>();
  21     }
  22
  23     @Override
  24     @SuppressWarnings("unchecked")
  25     public LeafNode<T> build() {
  26         final T value = getValue();
  27         if (value instanceof byte[]) {
  28             return (LeafNode<T>) new ImmutableBinaryLeafNode(getNodeIdentifier(), (byte[]) value);
  29         }
  30
  31         return new ImmutableLeafNode<>(getNodeIdentifier(), value);
  32     }
  33
  34     private static final class ImmutableLeafNode<T>
  35             extends AbstractImmutableNormalizedSimpleValueNode<NodeIdentifier, T> implements LeafNode<T> {
  36         ImmutableLeafNode(final NodeIdentifier nodeIdentifier, final T value) {
  37             super(nodeIdentifier, value);
  38         }
  39     }
  40
  41     private static final class ImmutableBinaryLeafNode
  42             extends AbstractImmutableNormalizedSimpleValueNode<NodeIdentifier, byte[]> implements LeafNode<byte[]> {
  43         ImmutableBinaryLeafNode(final NodeIdentifier nodeIdentifier, final byte[] value) {
  44             super(nodeIdentifier, value);
  45         }
  46
  47         @Override
  48         protected byte[] wrapValue(final byte[] valueToWrap) {
  49             return valueToWrap.clone();
  50         }
  51     }
  52 }