package com.qxueyou.scc.base.util;

import java.util.List;

import freemarker.template.SimpleScalar;
import freemarker.template.TemplateMethodModelEx;
import freemarker.template.TemplateModelException;

@SuppressWarnings("rawtypes")
public class FreeMarkerMd5MethodDefine implements TemplateMethodModelEx {
	@Override
	public Object exec(List args) throws TemplateModelException {
		if (args == null || args.isEmpty()) {
			throw new TemplateModelException("错误:MD5加密参数字符串不存在");
		}
		StringBuffer sb = new StringBuffer(1024);
		for (Object md5Arg : args) {
			sb.append(((SimpleScalar) md5Arg).getAsString());
		}
		return new SimpleScalar(MD5Utils.md5Digest(sb.toString()));
	}
}