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 java.util.Map;
  11 import org.opendaylight.yangtools.yang.common.QName;
  12 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  13 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
  14 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeAttrBuilder;
  15 import org.opendaylight.yangtools.yang.data.impl.schema.nodes.AbstractImmutableNormalizedValueAttrNode;
  16
  17 public class ImmutableLeafNodeBuilder<T>
  18         extends AbstractImmutableNormalizedNodeBuilder<NodeIdentifier, T, LeafNode<T>> {
  19
  20     public static <T> NormalizedNodeAttrBuilder<NodeIdentifier, T, LeafNode<T>> create() {
  21         return new ImmutableLeafNodeBuilder<>();
  22     }
  23
  24     @Override
  25     @SuppressWarnings("unchecked")
  26     public LeafNode<T> build() {
  27         final T value = getValue();
  28         if (value instanceof byte[]) {
  29             return (LeafNode<T>) new ImmutableBinaryLeafNode(getNodeIdentifier(), (byte[]) value, getAttributes());
  30         }
  31
  32         return new ImmutableLeafNode<>(getNodeIdentifier(), value, getAttributes());
  33     }
  34
  35     private static final class ImmutableLeafNode<T>
  36             extends AbstractImmutableNormalizedValueAttrNode<NodeIdentifier, T> implements LeafNode<T> {
  37         ImmutableLeafNode(final NodeIdentifier nodeIdentifier, final T value, final Map<QName, String> attributes) {
  38             super(nodeIdentifier, value, attributes);
  39         }
  40     }
  41
  42     private static final class ImmutableBinaryLeafNode
  43             extends AbstractImmutableNormalizedValueAttrNode<NodeIdentifier, byte[]> implements LeafNode<byte[]> {
  44         ImmutableBinaryLeafNode(final NodeIdentifier nodeIdentifier, final byte[] value,
  45             final Map<QName, String> attributes) {
  46             super(nodeIdentifier, value, attributes);
  47         }
  48
  49         @Override
  50         protected byte[] wrapValue(final byte[] valueToWrap) {
  51             return valueToWrap.clone();
  52         }
  53     }
  54 }