package org.nutz.mvc.adaptor;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.nutz.lang.Mirror;
import org.nutz.mvc.adaptor.convertor.*;
import org.nutz.mvc.adaptor.extractor.BaseParamExtractor;
import org.nutz.mvc.adaptor.extractor.MapParamExtractor;
public abstract class Params {
/**
* 构造参数转换器
*/
public static ParamConvertor makeParamConvertor(Class<?> type) {
if (type.isArray())
return new ArrayParamConvertor(type.getComponentType());
Mirror<?> mirror = Mirror.me(type);
if (mirror.isDateTimeLike()) {
return new DateParamConvertor(type);
}
return new StringParamConvertor();
}
/**
* 构造参数提取器
*/
@SuppressWarnings("unchecked")
public static ParamExtractor makeParamExtractor(HttpServletRequest req, Object refer){
if (refer != null && Map.class.isAssignableFrom(refer.getClass())){
return new MapParamExtractor(req, (Map<String, Object>) refer);
}
return new BaseParamExtractor(req);
}
}