Simple method to replace characters in a String with Stars to mask the password. - Java Security

Java examples for Security:Password

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Description

Simple method to replace characters in a String with Stars to mask the password.

Demo Code

/*/*from ww w.  j  a v a2  s  .c om*/
 * Copyright 2009-2013 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.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        String password = "java2s.com";
        System.out.println(maskPassword(password));
    }

    /**
     * Simple method to replace characters in a String with Stars to mask the
     * password.
     *
     * @param password The password to mask
     */
    public static String maskPassword(String password) {
        int lengthOfPassword = password.length();
        StringBuilder stringBuilder = new StringBuilder(lengthOfPassword);

        for (int i = 0; i < lengthOfPassword; i++) {
            stringBuilder.append('*');
        }

        return stringBuilder.toString();
    }
}

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