Java Hex Calculate toHexString(String str)

Description

to Hex String

License

Open Source License

Declaration

public static String toHexString(String str) 

Method Source Code

//package com.java2s;
/*/*from w w w.j av a 2 s  . co m*/
 * Copyright (c) Davide Raccagni (2006, 2009). All Rights Reserved.
 * 
 * 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 String toHexString(String str) {
        int hashCode = str.hashCode();

        return toHexString(hashCode);
    }

    public static String toHexString(int i) {
        StringBuilder builder = new StringBuilder();
        for (int j = 0; j < 4; j++) {
            int b = (int) (i & 0xFF);
            i >>= 8;

            String s = Integer.toHexString(b);
            if (s.length() == 1) {
                builder.append('0');
            }

            builder.append(s);
        }

        return builder.toString();
    }

    public static String toHexString(long l) {
        StringBuilder builder = new StringBuilder();
        for (int j = 0; j < 8; j++) {
            int b = (int) (l & 0xFF);
            l >>= 8;

            String s = Integer.toHexString(b);
            if (s.length() == 1) {
                builder.append('0');
            }

            builder.append(s);
        }

        return builder.toString();
    }
}

Related

1. toHexString(String input)
2. toHexString(String s)
3. toHexString(String s)
4. toHexString(String s)
5. toHexString(String str)
6. toHexString(StringBuffer buffer, byte[] bytes, int numBytes)
7. toHexString0x(byte[] byteArray)
8. toHexString2(int i)
9. toHexString3(byte aByte)