com.centit.support.algorithm.BooleanBaseOpt Maven / Gradle / Ivy

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package com.centit.support.algorithm;

import org.apache.commons.lang3.StringUtils;

@SuppressWarnings("unused")
public abstract class BooleanBaseOpt {
    public static final String ONE_CHAR_TRUE = "T";
    public static final String ONE_CHAR_FALSE = "F";
    public static final String STRING_TRUE = "true";
    public static final String STRING_FALSE = "false";

    private BooleanBaseOpt() {
        throw new IllegalAccessError("Utility class");
    }

    static public Boolean castObjectToBoolean(Object obj) {
        if (obj == null)
            return null;
        if (obj instanceof Boolean)
            return (Boolean) obj;
        if (obj instanceof Number)
            return ((Number) obj).intValue() != 0;

        final String str = StringBaseOpt.objectToString(obj);
        if (StringUtils.equalsAnyIgnoreCase(str, "y", "yes", "t", "true", "on")) {
            return true;
        }
        if (StringUtils.equalsAnyIgnoreCase(str, "n", "no", "f", "false", "off")) {
            return false;
        }
        return null;//ringRegularOpt.isNumber(str);
    }

    public static Boolean castObjectToBoolean(Object obj, Boolean defaultValue) {
        return GeneralAlgorithm.nvl(castObjectToBoolean(obj), defaultValue);
    }

    static public boolean isBoolean(Object obj) {
        return BooleanBaseOpt.castObjectToBoolean(obj) != null;
    }
}