de.alpharogroup.random.RandomObjectsExtensions Maven / Gradle / Ivy
/**
* The MIT License
*
* Copyright (C) 2015 Asterios Raptis
*
* 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.
*/
package de.alpharogroup.random;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
/**
* The class {@link RandomObjectsExtensions} is a utility class to create random objects.
*/
public class RandomObjectsExtensions
{
/**
* Gets an infomail address from the given url.
*
* @param url
* The url.
* @return Returns an infomail address from the given url.
*/
public static String getInfomailFromWebsite(final String url)
{
int startIndex = url.indexOf("www.");
final StringBuilder email = new StringBuilder();
if (0 < startIndex)
{
final String emailprefix = "info";
email.append(emailprefix);
email.append("@");
email.append(url.substring(startIndex + 4, url.length()));
}
else
{
startIndex = url.indexOf("//");
if (0 < startIndex)
{
final String emailprefix = "info";
email.append(emailprefix);
email.append("@");
email.append(url.substring(startIndex + 2, url.length()));
}
else
{
throw new IllegalArgumentException(url);
}
}
return email.toString();
}
/**
* The Method getRandomEmail() gets a random email-address.
*
* @return The random email-address.
*/
public static String getRandomEmail()
{
final StringBuffer email = new StringBuffer();
final String emailprefix = RandomExtensions.getRandomString(Constants.LCCHARSWN,
RandomExtensions.randomInt(20) + 1);
final String domain = RandomExtensions.getRandomString(Constants.LOWCASECHARS,
RandomExtensions.randomInt(12) + 1);
final String topDomain = RandomExtensions.getRandomString(Constants.LOWCASECHARS, 2);
email.append(emailprefix);
email.append("@");
email.append(domain);
email.append(".");
email.append(topDomain);
return email.toString();
}
/**
* Gets a random faxnumber from a phone.
*
* @param phonenumber
* The phonenumber.
* @return Return's a random faxnumber from a phone.
*/
public static String getRandomFaxnumber(final String phonenumber)
{
final StringBuffer sb = new StringBuffer();
final String randomFax = phonenumber.substring(0, phonenumber.length() - 2);
sb.append(randomFax);
final String phoneExtension = phonenumber.substring(phonenumber.length() - 2,
phonenumber.length());
final Integer phEx = new Integer(phoneExtension);
final int pe = phEx + 1;
sb.append(pe);
return sb.toString();
}
/**
* Gets a random mobil number from a mobilphone.
*
* @return Return's a random mobil number from a mobilphone.
*/
public static String getRandomMobilnumber()
{
final StringBuffer randomPhonenumber = new StringBuffer();
randomPhonenumber.append("0");
randomPhonenumber.append(RandomExtensions.getRandomNumericString(3));
randomPhonenumber.append("/");
randomPhonenumber.append(RandomExtensions.getRandomNumericString(7));
return randomPhonenumber.toString();
}
/**
* The Method getRandomPassword(int) produces a random password.
*
* @param length
* The length from the password.
* @return The password.
*/
public static String getRandomPassword(final int length)
{
final String password = RandomExtensions.getRandomString(Constants.LCUCCHARSWN, length);
return password;
}
/**
* The Method getRandomPassword(int) produces a random password.
*
* @param length
* The length from the password as Optional.
* @return The password.
*/
public static String getRandomPassword(final Optional length)
{
if (length.isPresent())
{
final String password = RandomExtensions.getRandomString(Constants.LCUCCHARSWN,
length.get());
return password;
}
return RandomExtensions.getRandomString(Constants.LCUCCHARSWN, 8);
}
/**
* Gets a random phonenumber.
*
* @return Return's a random phonenumber.
*/
public static String getRandomPhonenumber()
{
final StringBuffer randomPhonenumber = new StringBuffer();
randomPhonenumber.append("0");
randomPhonenumber.append(RandomExtensions.getRandomNumericString(4));
randomPhonenumber.append("/");
randomPhonenumber.append(RandomExtensions.getRandomNumericString(7));
return randomPhonenumber.toString();
}
/**
* Gets a random name for a website.
*
* @return Returns a random name for a website.
*/
public static String getRandomWebsite()
{
final StringBuffer website = new StringBuffer();
final String websitePrefix = "http://www";
final String domain = RandomExtensions.getRandomString(Constants.LOWCASECHARS,
RandomExtensions.randomInt(12) + 1);
final String topDomain = RandomExtensions.getRandomString(Constants.LOWCASECHARS, 2);
website.append(websitePrefix);
website.append(".");
website.append(domain);
website.append(".");
website.append(topDomain);
return website.toString();
}
/**
* Creates a random id and returns it.
*
* @return the created random id.
*/
public static String newRandomId()
{
final StringBuffer sb = new StringBuffer();
sb.append(RandomExtensions.getRandomString(Constants.LCUCCHARSWN, 2));
sb.append(".");
sb.append(RandomExtensions.getRandomString(Constants.LCUCCHARSWN, 4));
sb.append(".");
sb.append(RandomExtensions.getRandomString(Constants.LCUCCHARSWN, 2));
sb.append(".");
sb.append(System.currentTimeMillis());
sb.append(".");
sb.append(RandomExtensions.getRandomString(Constants.LCUCCHARSWN, 2));
return sb.toString();
}
/**
* Creates a random Name from the donated chararray.
*
* @param donatedChars
* The Characters for the name.
* @return A random Name.
*/
public static String newRandomName(final char[] donatedChars)
{
final StringBuffer sb = new StringBuffer(donatedChars.length);
final List dc = new ArrayList<>(donatedChars.length);
for (final char donatedChar : donatedChars)
{
dc.add(donatedChar);
}
boolean fullList = true;
while (fullList)
{
final int randomIndex = RandomExtensions.randomInt(dc.size());
final Character c = dc.get(randomIndex);
sb.append(c);
dc.remove(randomIndex);
if (dc.isEmpty())
{
fullList = false;
}
}
return sb.toString();
}
}
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