Java Hex Calculate toHexString(int val, int minLength)

Description

to Hex String

License

Apache License

Parameter

Parameter	Description
val	a parameter
minLength	a parameter

Declaration

public static String toHexString(int val, int minLength) 

Method Source Code

//package com.java2s;
/*/*  www  .ja v a 2  s. co  m*/
 *  Copyright 2010 Barend Scholtus
 *
 *  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 {
    /**
     *
     * @param val
     * @param minLength
     * @return
     */
    public static String toHexString(int val, int minLength) {
        StringBuilder sb = new StringBuilder();
        while (val != 0) {
            switch (val & 0xf) {
            case 0x0:
                sb.append('0');
                break;
            case 0x1:
                sb.append('1');
                break;
            case 0x2:
                sb.append('2');
                break;
            case 0x3:
                sb.append('3');
                break;
            case 0x4:
                sb.append('4');
                break;
            case 0x5:
                sb.append('5');
                break;
            case 0x6:
                sb.append('6');
                break;
            case 0x7:
                sb.append('7');
                break;
            case 0x8:
                sb.append('8');
                break;
            case 0x9:
                sb.append('9');
                break;
            case 0xa:
                sb.append('A');
                break;
            case 0xb:
                sb.append('B');
                break;
            case 0xc:
                sb.append('C');
                break;
            case 0xd:
                sb.append('D');
                break;
            case 0xe:
                sb.append('E');
                break;
            case 0xf:
                sb.append('F');
                break;
            }
            val >>>= 4;
        }
        while (sb.length() < minLength) {
            sb.append('0');
        }
        return sb.reverse().toString();
    }
}

Related

1. toHexString(int iValue)
2. toHexString(int n)
3. toHexString(int number, int digit)
4. toHexString(int r, int g, int b, int a)
5. toHexString(int val)
6. toHexString(int value, int len)
7. ToHexString(int value, int length)
8. toHexString(int value, int minLength)
9. toHexString(int value, int numDigits)