2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
20 * In this class the address length was changed from long to int.
21 * This is due to performance optimizations for the device.
24 package org.apache.harmony.nio.internal;
26 import java.io.IOException;
27 import java.nio.MappedByteBuffer;
29 public final class ReadWriteFileChannel extends FileChannelImpl {
30 public ReadWriteFileChannel(Object stream, int handle) {
31 super(stream, handle);
34 public final MappedByteBuffer map(MapMode mode, long position, long size) throws IOException {
37 throw new NullPointerException();
39 if (position < 0 || size < 0 || size > Integer.MAX_VALUE) {
40 throw new IllegalArgumentException();
42 return mapImpl(mode, position, size);