org.jeasy.random.randomizers.text.CharacterRandomizer Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of easy-random-core Show documentation
Show all versions of easy-random-core Show documentation
Easy Random core implementation
The newest version!
/*
* The MIT License
*
* Copyright (c) 2020, Mahmoud Ben Hassine ([email protected])
*
* 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 org.jeasy.random.randomizers.text;
import org.jeasy.random.randomizers.AbstractRandomizer;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.util.List;
import static org.jeasy.random.util.CharacterUtils.collectPrintableCharactersOf;
import static org.jeasy.random.util.CharacterUtils.filterLetters;
/**
* Generate a random {@link Character}.
*
* @author Mahmoud Ben Hassine ([email protected])
*/
public class CharacterRandomizer extends AbstractRandomizer {
private Charset charset = StandardCharsets.US_ASCII;
private List characters = collectPrintableCharactersOf(charset);
/**
* Create a new {@link CharacterRandomizer}.
*/
public CharacterRandomizer() {
super();
characters = filterLetters(characters);
}
/**
* Create a new {@link CharacterRandomizer}.
*
* @param charset to use
*/
public CharacterRandomizer(final Charset charset) {
super();
this.charset = charset;
characters = filterLetters(characters);
}
/**
* Create a new {@link CharacterRandomizer}.
*
* @param seed initial seed
*/
public CharacterRandomizer(final long seed) {
super(seed);
characters = filterLetters(characters);
}
/**
* Create a new {@link CharacterRandomizer}.
*
* @param charset to use
* @param seed initial seed
*/
public CharacterRandomizer(final Charset charset, final long seed) {
super(seed);
this.charset = charset;
characters = filterLetters(characters);
}
@Override
public Character getRandomValue() {
return characters.get(random.nextInt(characters.size()));
}
}