/*

* Copyright 2015-2018 the original author or authors.

*

* 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.

*/

package com.yoiojava.util;

/**

* @author Yoio<Yoio@3cto.net>

*/

public class KeyGenerator {

/**

* Only the key generation

*

* @param key

* @return

* @author Yoio<Yoio@3cto.net>

*/

public static String getKey(String key) {

// StringBuffer ks = new StringBuffer();

// ks.append(UUID.randomUUID());

// ks.append(new Md5().getMD5ofStr(key));

// return new BASE64Encoder().encode(ks.toString().getBytes());

// 将MD5输出的二进制结果转换为小写的十六进制

byte[] data = new Md5().getMD5ofStr(key).getBytes();

StringBuilder sign = new StringBuilder();

for (int i = 0; i < data.length; i++) {

String hex = Integer.toHexString(data[i] & 0xFF);

if (hex.length() == 1) {

sign.append("0");

}

sign.append(hex);

}

return sign.toString();

}

}