Java Short Number Create toShort(byte[] bytes)

Description

Converts a byte array to a short value

License

Apache License

Parameter

Parameter	Description
bytes	a parameter

Return

the short value

Declaration

public static short toShort(byte[] bytes) 

Method Source Code

//package com.java2s;
/**/*from  w  ww  .ja va  2  s  .  c o 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.
 */

public class Main {
    /**
     * Size of short in bytes
     */
    public static final int SIZEOF_SHORT = Short.SIZE / Byte.SIZE;

    /**
     * Converts a byte array to a short value
     * @param bytes
     * @return the short value
     */
    public static short toShort(byte[] bytes) {
        return toShort(bytes, 0);
    }

    /**
     * Converts a byte array to a short value
     * @param bytes
     * @param offset
     * @return the short value
     */
    public static short toShort(byte[] bytes, int offset) {
        return toShort(bytes, offset, SIZEOF_SHORT);
    }

    /**
     * Converts a byte array to a short value
     * @param bytes
     * @param offset
     * @param length
     * @return the short value
     */
    public static short toShort(byte[] bytes, int offset, final int length) {
        if (bytes == null || length != SIZEOF_SHORT || (offset + length > bytes.length)) {
            return -1;
        }
        short n = 0;
        n ^= bytes[offset] & 0xFF;
        n <<= 8;
        n ^= bytes[offset + 1] & 0xFF;
        return n;
    }
}

Related

1. toShort(byte[] b, int off, boolean bigEndian)
2. toShort(byte[] b, int offset)
3. toShort(byte[] buf, int pos)
4. toShort(byte[] byteArray)
5. toShort(byte[] bytes)
6. toShort(byte[] bytes)
7. toShort(byte[] bytes)
8. toShort(byte[] bytes)
9. toShort(byte[] bytes, boolean bigEndian)