/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.logging.log4j.core.net.ssl;
import java.util.ArrayList;
import java.util.Random;
public class TlsSyslogTestUtil {
public static final String ABC = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
public static final String NUMBERS = "0123456789";
public static final String WHITESPACES = " \t\n";
public static final String CHARSET = ABC + NUMBERS;
public static final String LEGACY_BSD_SYSLOG_CHARSET = ABC + NUMBERS + " \t";
public static final String SYSLOG_CHARSET = ABC + NUMBERS + WHITESPACES;
public static ArrayList<String> generateMessages(final int numberOfMessages) {
return generateMessages(numberOfMessages, CHARSET);
}
public static ArrayList<String> generateMessages(final int numberOfMessages, final TlsSyslogMessageFormat format) {
switch (format) {
case SYSLOG:
return generateMessages(numberOfMessages, SYSLOG_CHARSET);
case LEGACY_BSD:
return generateMessages(numberOfMessages, LEGACY_BSD_SYSLOG_CHARSET);
default:
throw new IllegalArgumentException();
}
}
private static ArrayList<String> generateMessages(final int numberOfMessages, final String charSet) {
final ArrayList<String> messageList = new ArrayList<>(numberOfMessages);
for (int i = 0; i < numberOfMessages; i++) {
final String message = createRandomMessage(charSet);
messageList.add(message);
}
return messageList;
}
private static String createRandomMessage(final String charset) {
final char[] chars = charset.toCharArray();
final StringBuilder sb = new StringBuilder();
final Random random = new Random();
for (int i = 0; i < random.nextInt(10000); i++) {
final char c = chars[random.nextInt(chars.length)];
sb.append(c);
}
final String output = sb.toString();
return output;
}
public static int getRandomInt(final int max) {
final Random random = new Random();
final int n = random.nextInt(max);
if (n < 0) {
return -n;
}
return n;
}
}