1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package java.lang.invoke;
18 
19 import java.nio.ByteOrder;
20 
21 /**
22  * A VarHandle to access byte array elements as an array of primitive types.
23  * @hide
24  */
25 final class ByteArrayViewVarHandle extends VarHandle {
26     private boolean nativeByteOrder;
27 
ByteArrayViewVarHandle(Class<?> arrayClass, ByteOrder byteOrder)28     private ByteArrayViewVarHandle(Class<?> arrayClass, ByteOrder byteOrder) {
29         super(arrayClass.getComponentType(), byte[].class, false /* isFinal */,
30               byte[].class, int.class);
31         this.nativeByteOrder = byteOrder.equals(ByteOrder.nativeOrder());
32     }
33 
create(Class<?> arrayClass, ByteOrder byteOrder)34     static ByteArrayViewVarHandle create(Class<?> arrayClass, ByteOrder byteOrder) {
35         return new ByteArrayViewVarHandle(arrayClass, byteOrder);
36     }
37 }
38