Java XML Hex getFreshExecutionId()

Description

get Fresh Execution Id

License

Open Source License

Declaration

public static String getFreshExecutionId() 

Method Source Code

//package com.java2s;
/*//from   w ww .  j  ava  2s.  c  om
The MIT License (MIT)
Copyright (c) 2015 Alex Gyori
Copyright (c) 2015 Owolabi Legunsen
Copyright (c) 2015 Darko Marinov
Copyright (c) 2015 August Shi
    
    
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.
*/

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

import javax.xml.bind.DatatypeConverter;

public class Main {
    public static String getFreshExecutionId() {
        try {
            // TODO(gyori): Fix to check that the id was not used before in the
            // .nondex (?)
            String id = DatatypeConverter.printBase64Binary(MessageDigest.getInstance("SHA-256")
                    .digest(Long.toString(System.currentTimeMillis()).getBytes()));
            id = id.replace("/", "");
            id = id.replace("\\", "");
            return id;
        } catch (NoSuchAlgorithmException nsae) {
            return "No_ID";
        }
    }
}

Related

1. encodeHex(byte[] bytes)
2. fromHex(String hex)
3. fromHex(String hex)
4. fromHex(String str)
5. getBytes(String hex)
6. hex(final byte[] bytes)
7. hex2bin(String input)
8. hexFromBinary(byte[] value)
9. hexIn(String s)