package cn.ksource.core.component;

import java.util.List;

import org.apache.commons.lang.StringUtils;

import freemarker.template.TemplateMethodModel;
import freemarker.template.TemplateModelException;

public class K_IFTrue implements TemplateMethodModel {

	@Override
	public Object exec(List list) throws TemplateModelException {
		if (list.size() != 3) {
			throw new RuntimeException("K_IfTrue组件，需要三个参数");
		}
		
		Object p1 = list.get(0);
		if (p1 instanceof Boolean) {
			Boolean boolP1 = (Boolean) p1;
			if (boolP1) {
				return list.get(1);
			} else {
				return list.get(2);
			}
		} else {
			if (p1 == null || StringUtils.isBlank(p1.toString())) {
				return list.get(2);
			} else {
				return list.get(1);
			}
		}
		
	}

}