| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package java.nio; |
| |
| /** |
| * FloatArrayBuffer, ReadWriteFloatArrayBuffer and ReadOnlyFloatArrayBuffer |
| * compose the implementation of array based float buffers. |
| * <p> |
| * FloatArrayBuffer implements all the shared readonly methods and is extended |
| * by the other two classes. |
| * </p> |
| * <p> |
| * All methods are marked final for runtime performance. |
| * </p> |
| * |
| */ |
| abstract class FloatArrayBuffer extends FloatBuffer { |
| |
| protected final float[] backingArray; |
| |
| protected final int offset; |
| |
| FloatArrayBuffer(float[] array) { |
| this(array.length, array, 0); |
| } |
| |
| FloatArrayBuffer(int capacity) { |
| this(capacity, new float[capacity], 0); |
| } |
| |
| FloatArrayBuffer(int capacity, float[] backingArray, int offset) { |
| super(capacity); |
| this.backingArray = backingArray; |
| this.offset = offset; |
| } |
| |
| @Override |
| public final float get() { |
| if (position == limit) { |
| throw new BufferUnderflowException(); |
| } |
| return backingArray[offset + position++]; |
| } |
| |
| @Override |
| public final float get(int index) { |
| checkIndex(index); |
| return backingArray[offset + index]; |
| } |
| |
| @Override |
| public final FloatBuffer get(float[] dst, int dstOffset, int floatCount) { |
| if (floatCount > remaining()) { |
| throw new BufferUnderflowException(); |
| } |
| System.arraycopy(backingArray, offset + position, dst, dstOffset, floatCount); |
| position += floatCount; |
| return this; |
| } |
| |
| @Override |
| public final boolean isDirect() { |
| return false; |
| } |
| |
| @Override |
| public final ByteOrder order() { |
| return ByteOrder.nativeOrder(); |
| } |
| |
| } |