Java Integer Create toInt(long unsignedInt)

Description

Converts a long containing an unsigned int value to the corresponding signed int value and returns the result as an int

License

Open Source License

Parameter

Parameter	Description
unsignedInt	The unsigned int value. If the value is not in valid range, an IllegalArgumentException is thrown.

Return

The signed int value as an int

Declaration

public static int toInt(long unsignedInt) 

Method Source Code

//package com.java2s;
/*// ww w.ja va2 s  .c  o  m
 * The MIT License
 *
 * Copyright 2013 Georgios Migdos <cyberpython@gmail.com>.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

public class Main {
    private static final long MAX_INT = 0xFFFFFFFF;

    /**
     * Converts a long containing an unsigned int value to the corresponding
     * signed int value and returns the result as an int
     *
     * @param unsignedInt The unsigned int value. If the value is not in valid
     * range, an IllegalArgumentException is thrown.
     * @return The signed int value as an int
     */
    public static int toInt(long unsignedInt) {
        if (unsignedInt < 0 || unsignedInt > MAX_INT) {
            throw new IllegalArgumentException(
                    String.format(
                            "Unsigned byte values should be in the range 0..%1$d, got: %2$d",
                            MAX_INT, unsignedInt));
        }
        return (int) unsignedInt;
    }
}

Related

1. toInt(int[] rgb)
2. toInt(Integer i)
3. toInt(Integer n)
4. toInt(long l)
5. toInt(long l)
6. toInt(long[] a)
7. toInt(Number num)
8. toInt(Number value)
9. toInt(Number wrapped)