spring resource

类文件

package com.imooc.resource;

import java.io.IOException;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.core.io.Resource;


public class MoocResource implements ApplicationContextAware  {
	
	private ApplicationContext applicationContext;

	//得到applicationContext，实现ApplicationContextAware接口
	@Override
	public void setApplicationContext(ApplicationContext applicationContext)
			throws BeansException {
		this.applicationContext = applicationContext;
	}
	
	public void resource() throws IOException {
		Resource resource = applicationContext.getResource("config.txt");
		// 不写的时候，依赖applicationContext，默认为classpath
//		Resource resource = applicationContext.getResource("file:/usr/config.txt");
//		Resource resource = applicationContext.getResource("classpath:config.txt");
		System.out.println(resource.getFilename());
		System.out.println(resource.contentLength());
	}

}

测试类

package com.imooc.test.resource;

import java.io.IOException;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.BlockJUnit4ClassRunner;

import com.imooc.resource.MoocResource;
import com.imooc.test.base.UnitTestBase;

@RunWith(BlockJUnit4ClassRunner.class)
public class TestResource extends UnitTestBase {
	
	public TestResource() {
		super("classpath:spring-resource.xml");
	}
	
	@Test
	public void testResource() {
		MoocResource resource = super.getBean("moocResource");
		try {
			resource.resource();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
}