com.blade.web.RouteArgument Maven / Gradle / Ivy
/**
* Copyright (c) 2015, biezhi 王爵 ([email protected])
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.blade.web;
import java.lang.reflect.Method;
import blade.kit.ReflectKit;
import com.blade.web.http.Request;
import com.blade.web.http.Response;
/**
* 路由参数注入器
*
* @author biezhi
* @since 1.0
*/
public final class RouteArgument {
/**
* 获取方法内的参数
*
* @param request Request对象，用于注入到method参数列表中
* @param response Response对象，用于注入到method参数列表中
* @param params params参数列表
* @return 返回生成后的参数数组
*/
public static Object[] getArgs(Request request, Response response, Class[] params){
int len = params.length;
Object[] args = new Object[len];
for(int i=0; i paramTypeClazz = params[i];
if(paramTypeClazz.getName().equals(Request.class.getName())){
args[i] = request;
}
if(paramTypeClazz.getName().equals(Response.class.getName())){
args[i] = response;
}
}
return args;
}
/**
* 执行路由方法
*
* @param object 方法的实例，即该方法所在类的对象
* @param method 要执行的method
* @param request Request对象，作为参数注入
* @param response Response对象，作为参数注入
* @return 返回方法执行后的返回值
*/
public static Object executeMethod(Object object, Method method, Request request, Response response){
int len = method.getParameterTypes().length;
method.setAccessible(true);
if(len > 0){
Object[] args = getArgs(request, response, method.getParameterTypes());
return ReflectKit.invokeMehod(object, method, args);
} else {
return ReflectKit.invokeMehod(object, method);
}
}
}