Java Integer Create toInt(final byte[] bytes, final int offset)

Description

Returns the integer representation of an array of bytes from a given offset.

License

Apache License

Parameter

Parameter	Description
bytes	an array of bytes
offset	the offset of the chunk

Return

the integer representation bytes

Declaration

private static final int toInt(final byte[] bytes, final int offset) 

Method Source Code

//package com.java2s;
/*/*  w ww . ja  v a 2 s.  c om*/
 * Copyright 2015 ANTONIO CARLON
 *
 * Licensed 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 {
    /**
     * Returns the integer representation of an array of bytes from a given
     * offset.
     *
     * @param bytes
     *            an array of bytes
     * @param offset
     *            the offset of the chunk
     * @return the integer representation bytes
     */
    private static final int toInt(final byte[] bytes, final int offset) {
        int output = 0;

        if (bytes == null) {
            return output;
        }

        for (int i = 0; i < 4 && i + offset < bytes.length; i++) {
            output <<= 8;
            output |= bytes[i] & 0xFF;
        }
        return output;
    }
}

Related

1. toInt(final Boolean value)
2. toInt(final byte b)
3. toInt(final byte b)
4. toInt(final byte[] buffer, final int offset, final int length)
5. toInt(final byte[] bytes, final int offset)
6. toInt(final byte[] data)
7. toInt(final byte[] inputBytes, int offset)
8. toInt(final byte[] pBytes)
9. toInt(final Double value)