com.github.dakusui.lisj.pred.IsOneOf Maven / Gradle / Ivy

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package com.github.dakusui.lisj.pred;

import static com.github.dakusui.lisj.Basic.length;

import org.apache.commons.lang3.ArrayUtils;

import com.github.dakusui.jcunit.core.Utils;
import com.github.dakusui.lisj.Basic;
import com.github.dakusui.lisj.Context;
import com.github.dakusui.lisj.FormResult;

public class IsOneOf extends BinomialPredicate {
	/**
	 * Serial version UID.
	 */
	private static final long serialVersionUID = -2030221966727213413L;

	@Override
	protected FormResult evaluateLast(Context context, Object[] evaluatedParams, FormResult lastResult) {
		FormResult ret = lastResult;

		Object obj = evaluatedParams[0];
		
		for (Object cur : ArrayUtils.subarray(evaluatedParams, 1, evaluatedParams.length)) {
			////
			// Normalize number objects to 'BigDecimal' if they are Numbers.
			cur = Utils.normalize(cur);
			if (obj == null) {
				if (cur == null) {
					ret.value(true);
					return ret;
				} else {
					continue;
				}
			}
			if (obj.equals(cur)) {
				ret.value(true);
				return ret;
			}
		}
		ret.value(false);
		return ret;
	}
	
	@Override
	protected Object checkParams(Object params) {
		Utils.checknull(params);
		if (length(params) < 2) {
			throw new IllegalArgumentException(msgParameterLengthWrong(">1", Basic.tostr(params)));
		}
		return params;
	}

}