/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.geekbang.thinking.in.spring.resource;

import org.geekbang.thinking.in.spring.resource.util.ResourceUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.ResourceLoaderAware;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;

import javax.annotation.PostConstruct;
import java.util.stream.Stream;

/**
 * 注入 {@link ResourceLoader} 对象示例
 *
 * @author <a href="mailto:[email protected]">Mercy</a>
 * @see ResourceLoader
 * @see Resource
 * @see Value
 * @see AnnotationConfigApplicationContext
 * @since
 */
public class InjectingResourceLoaderDemo implements ResourceLoaderAware {

    private ResourceLoader resourceLoader; // 方法一

    @Autowired
    private ResourceLoader autowiredResourceLoader; // 方法二

    @Autowired
    private AbstractApplicationContext applicationContext; // 方法三

    @PostConstruct
    public void init() {
        System.out.println("resourceLoader == autowiredResourceLoader : " + (resourceLoader == autowiredResourceLoader));
        System.out.println("resourceLoader == applicationContext : " + (resourceLoader == applicationContext));
    }

    @Override
    public void setResourceLoader(ResourceLoader resourceLoader) {
        this.resourceLoader = resourceLoader;
    }

    public static void main(String[] args) {

        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
        // 注册当前类作为 Configuration Class
        context.register(InjectingResourceLoaderDemo.class);
        // 启动 Spring 应用上下文
        context.refresh();
        // 关闭 Spring 应用上下文
        context.close();

    }
}