Java File Read via ByteBuffer readShortByteArray(DataInput in)

Description

read Short Byte Array

License

Apache License

Declaration

public static ByteBuffer readShortByteArray(DataInput in) throws IOException 

Method Source Code

//package com.java2s;
/**//from  w  w w .  j  a v a  2s  .  co m
 * 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.
 */

import java.io.DataInput;

import java.io.IOException;

import java.nio.ByteBuffer;

public class Main {
    public static ByteBuffer readShortByteArray(DataInput in) throws IOException {
        int length = readShortLength(in);
        ByteBuffer bb = ByteBuffer.allocate(length);
        in.readFully(bb.array(), bb.position(), bb.remaining());
        return bb;
    }

    /** @return An unsigned short in an integer. */
    private static int readShortLength(DataInput in) throws IOException {
        int length = (in.readByte() & 0xFF) << 8;
        return length | (in.readByte() & 0xFF);
    }
}

Related

1. readNByte(ReadableByteChannel channel, int n)
2. readNIOFile(String filePath)
3. readShort(byte[] bytes, int start)
4. readShort(DataInput input)
5. readShortBuffer(DataInputStream input)
6. readString(ByteArrayInputStream bin)
7. readString(ReadableByteChannel channel)
8. readStringFromFile(String path)
9. readStringFromSocketChannel(SocketChannel sc)