com.wavemaker.runtime.commons.util.WMRandomUtils Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (C) 2022-2023 WaveMaker, 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.
******************************************************************************/
package com.wavemaker.runtime.commons.util;
import java.security.SecureRandom;
public class WMRandomUtils {
private static final char ALPHA_NUMERIC_CHARACTERS[] = "0123456789BCDFGHJKLMNPQRSTVWXYZbcdfghjklmnpqrstvwxyz".toCharArray();
private static final SecureRandom secureRandom = new SecureRandom();
public static String getRandomString(int length) {
StringBuilder sb = new StringBuilder();
for (int loop = 0; loop < length; ++loop) {
int index = secureRandom.nextInt(ALPHA_NUMERIC_CHARACTERS.length);
sb.append(ALPHA_NUMERIC_CHARACTERS[index]);
}
return sb.toString();
}
}