/*

* Copyright 2009-2012 the original author or authors.

*

* 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.yoiojava.core;

import java.lang.reflect.Method;

import com.yoiojava.WebApplication;

import com.yoiojava.annotations.After;

import com.yoiojava.annotations.Before;

import com.yoiojava.config.Config;

import com.yoiojava.config.configuration.ConfigurationImpl;

import com.yoiojava.globle.config.Constants;

import com.yoiojava.i18n.Lang;

import com.yoiojava.i18n.impl.Language;

import com.yoiojava.router.builder.ClassPathBuilder;

import com.yoiojava.router.entity.PathInfo;

import com.yoiojava.router.handler.Dispatcher;

import com.yoiojava.util.WebUtils;

/**

* @author Yoio<Yoio@3cto.net>

*/

public class WebApplicationEngine implements WebApplication {

private static Config conf = ConfigurationImpl.getInstance();

private static Lang lang = Language.getInstance();

private ClassPathBuilder builder;

private PathInfo pathinfo;

public WebApplicationEngine(ClassPathBuilder builder, PathInfo pathinfo) {

this.builder = builder;

this.pathinfo = pathinfo;

}

@SuppressWarnings({ "unchecked", "rawtypes" })

@Override

public void onStartup(Dispatcher hdr) {

Class target;

try {

target = Class.forName(builder.getControllerPath());

Object o = target.newInstance();

Method[] ms = target.getDeclaredMethods();

for (Method method : ms) {

if (method.isAnnotationPresent(Before.class)) {

Before annotation = method.getAnnotation(Before.class);

Object newInstance = annotation.value().newInstance();

Method inject = annotation.value().getDeclaredMethod(

(String) conf.C("URL_INTERCEPTOR_METHOD"));

inject.invoke(newInstance);

method.invoke(o);

}

}

Method m = target.getDeclaredMethod(pathinfo.getAction());

m.invoke(o);

for (Method method : ms) {

if (method.isAnnotationPresent(After.class)) {

After annotation = method.getAnnotation(After.class);

Object newInstance = annotation.value().newInstance();

Method inject = annotation.value().getDeclaredMethod(

(String) conf.C("URL_INTERCEPTOR_METHOD"));

inject.invoke(newInstance);

method.invoke(o);

}

}

} catch (Exception e) {

if (Constants.NULL.STRING_NULL != e.getMessage()) {

if ((Boolean) conf.C("DEBUG")) {

WebUtils.exception(lang.L("CANNOT_LOAD_THE_MODULE"),

e.getMessage());

}else {

WebUtils.send404();

}

}else{

e.printStackTrace();

}

}

}

}