Java Integer Create toIntegerValue(byte... bytes)

Description

to Integer Value

License

Apache License

Declaration

public static final int toIntegerValue(byte... bytes) 

Method Source Code

//package com.java2s;
/*/*w w  w .  j a v a  2 s .  c  o m*/
 * Copyright 2013 Lyor Goldstein
 * 
 * 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 {
    public static final int toIntegerValue(byte... bytes) {
        return toIntegerValue(bytes, 0, bytes.length);
    }

    public static final int toIntegerValue(byte[] buf, int offset, int len) {
        if (len < 4) {
            throw new NumberFormatException("Not enough data for value: " + len);
        }

        int result = 0;
        for (int index = 0, pos = offset; index < 4; index++, pos++) {
            result = ((result << Byte.SIZE) & 0xFFFFFF00) | (buf[pos] & 0x00FF);
        }

        return result;
    }
}

Related

1. toIntegerFromObj(Object obj)
2. toIntegerObject(boolean bool)
3. toIntegerObject(Boolean bool, Integer trueValue, Integer falseValue, Integer nullValue)
4. toIntegerOrNull(String s)
5. toIntegers(String[] values)
6. toIntegerValue(String value)
7. toInterfacesString(Class[] classes, StringBuffer sb)
8. toInternal(int x)
9. toInternalClassName(String className)