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Panda Core is the core module of Panda Framework, it contains commonly used utility classes similar to apache-commons.

There is a newer version: 1.8.0

package panda.el.opt.logic;

import panda.el.ELContext;
import panda.el.opt.AbstractTwoOpt;
import panda.lang.Classes;

/**
 * Less Than or Equal
 */
public class LTEOpt extends AbstractTwoOpt {
	public int getPriority() {
		return 6;
	}

	@SuppressWarnings({ "unchecked", "rawtypes" })
	public Object calculate(ELContext ec) {
		Comparable lval = (Comparable)getLeft(ec);
		Comparable rval = (Comparable)getRight(ec);

		if (lval == rval) {
			return true;
		}
		if (lval == null || rval == null) {
			return false;
		}
		if (Classes.isFloatLike(lval.getClass()) || Classes.isFloatLike(rval.getClass())) {
			return ((Number)lval).doubleValue() <= ((Number)rval).doubleValue();
		}
		if (Classes.isIntLike(lval.getClass()) || Classes.isIntLike(rval.getClass())) {
			return ((Number)lval).longValue() <= ((Number)rval).longValue();
		}
		return lval.compareTo(rval) <= 0;
	}

	public String operator() {
		return "<=";
	}
}