Java Hex to String formatHex(byte[] data)

Description

format Hex

License

Apache License

Declaration

public static String formatHex(byte[] data) 

Method Source Code

//package com.java2s;
/*/*from   w ww.  j  av  a 2 s  .  c  om*/
 * Copyright 2016 ProtectWise, Inc.
 *
 * 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.
 */

import java.io.StringWriter;

public class Main {
    public static String formatHex(byte[] data) {
        StringWriter w = new StringWriter();
        for (byte b : data) {
            w.append(padLeft(Integer.toHexString(b), 2, '0'));
        }
        return w.toString();
    }

    public static String padLeft(String base, int length, char pad) {
        if (base.length() >= length) {
            return base;
        }
        return String.format("%" + (length - base.length()) + "s", "").replace(' ', pad) + base;
    }
}

Related

1. convertHexStr(String inStr)
2. convertHexString(String ss)
3. convertHexStringToString(String hexString)
4. convertHexToString(String hex)
5. formatHex(byte[] buf)
6. formatHexToWriter(byte[] buf, Writer writer, int actualLength)