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ComparatorUtil.java
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ComparatorUtil.java
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/*
* Copyright (c) 2018.
*
* This file is part of AvaIre.
*
* AvaIre is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AvaIre is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with AvaIre. If not, see <https://www.gnu.org/licenses/>.
*
*
*/
package com.avairebot.utilities;
import java.util.Arrays;
import java.util.HashSet;
public class ComparatorUtil {
private final static HashSet<String> fuzzyTrue = new HashSet<>(Arrays.asList("yes", "y", "on", "enable", "true", "confirm", "1"));
private final static HashSet<String> fuzzyFalse = new HashSet<>(Arrays.asList("no", "n", "off", "disable", "false", "0"));
/**
* Checks if the given {@code text} matches a true statement using the {@link #fuzzyTrue} hash set.
*
* @param string The string that should be checked.
* @return True if the given text can be considered true.
*/
public static boolean isFuzzyTrue(String string) {
return string != null && fuzzyTrue.contains(string.toLowerCase());
}
/**
* Checks if the given {@code text} matches a false statement using the {@link #fuzzyFalse} hash set.
*
* @param string The string that should be checked.
* @return True if the given text can be considered false.
*/
public static boolean isFuzzyFalse(String string) {
return string != null && fuzzyFalse.contains(string.toLowerCase());
}
/**
* Gets the fuzzy comparison value from the given string, if the string doesn't contain
* any valid fuzzy types, {@link ComparatorType#UNKNOWN} will be returned.
*
* @param string The string that should be checked.
* @return The matching companions value matching the given string, or {@link ComparatorType#UNKNOWN} if there were no match.
*/
public static ComparatorType getFuzzyType(String string) {
if (isFuzzyTrue(string)) {
return ComparatorType.TRUE;
}
if (isFuzzyFalse(string)) {
return ComparatorType.FALSE;
}
return ComparatorType.UNKNOWN;
}
public enum ComparatorType {
TRUE(true), FALSE(false), UNKNOWN(false);
private final boolean value;
ComparatorType(boolean type) {
this.value = type;
}
public boolean getValue() {
return value;
}
}
}