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• 0.1.6
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• Invoke.java

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com.github.dakusui.lisj.func.java.Invoke Maven / Gradle / Ivy

package com.github.dakusui.lisj.func.java;

import org.apache.commons.lang3.ArrayUtils;

import com.github.dakusui.jcunit.core.Utils;
import com.github.dakusui.jcunit.exceptions.JCUnitException;
import com.github.dakusui.lisj.Basic;
import com.github.dakusui.lisj.CUT;
import com.github.dakusui.lisj.Context;
import com.github.dakusui.lisj.FormResult;
import com.github.dakusui.lisj.func.BaseFunc;

public class Invoke extends BaseFunc {

	/**
	 * Serial version UID.
	 */
	private static final long serialVersionUID = 714516492393474460L;
	
	@Override
	protected FormResult evaluateLast(Context context,
			Object[] evaluatedParams, FormResult lastResult)
			throws JCUnitException, CUT {
		FormResult ret = lastResult;
		Object obj = Utils.checknull(evaluatedParams[0]);
		String methodId = Utils.checknull(evaluatedParams[1]).toString();
		Object[] params = ArrayUtils.subarray(evaluatedParams, 2, evaluatedParams.length);
		ret.value(Utils.invokeMethod(obj, methodId, params));
		return ret;
	}

	@Override
	protected Object checkParams(Object params) {
		super.checkParams(params);
		if (Basic.length(params) < 2) throw new IllegalArgumentException();
		Utils.checknull(Basic.get(params, 0));
		Utils.checknull(Basic.get(params, 1));
		return params;
	}
}