package com.wangh.test;
import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.env.MapPropertySource;
/**
 * 動(dòng)態(tài)加載配置文件
 * @ClassName:DynamicLoadPropertySource
 * @author:Wh
 * @date: 2017年9月14日 下午3:22:54
 */
public class DynamicLoadPropertySource extends MapPropertySource{
    private static Logger log = LoggerFactory.getLogger(DynamicLoadPropertySource.class);
    private static Map<String, Object> map = new ConcurrentHashMap<String, Object>(64); 
    private static ScheduledExecutorService scheduled = Executors.newScheduledThreadPool(1);
    static {  
        scheduled.scheduleAtFixedRate(new Runnable() {  
            @Override  
            public void run() {  
                map = dynamicLoadMapInfo();  
            }  
        }, 1, 10, TimeUnit.SECONDS);  
    }  
    /**
     * @param name
     * @param source
     */
    public DynamicLoadPropertySource(String name, Map<String, Object> source) {
        super(name, map);
    }
    @Override  
    public Object getProperty(String name) {  
        return map.get(name);  
    }  
    /**
     * //動(dòng)態(tài)獲取資源信息  
     * @return  
     */
    protected static Map<String, Object> dynamicLoadMapInfo() {
        return mockMapInfo(); 
    }
    /**
     * @return  
     */
    private static final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss"); 
    private static Map<String, Object> mockMapInfo() {
        Map<String, Object> map = new HashMap<String, Object>(); 
        map = getProperties();
        log.info("data{};currentTime:{}", map.get("spring.datasource.url"), sdf.format(new Date())); 
        return map;
    }
    /**
     * 獲取配置文件信息
     * @return
     */
    public static Map<String, Object> getProperties() {
        Properties props = new Properties();
        Map<String, Object> map = new HashMap<String, Object>();
        try {
            InputStream in = ClassLoader.getSystemResourceAsStream("pro.properties");
            props.load(in);
            Enumeration<?> en = props.propertyNames();
            while (en.hasMoreElements()) {
                String key = (String) en.nextElement();
                String property = props.getProperty(key);
                map.put(key, property);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return map;
    }
}

package com.wangh.test;
import javax.annotation.PostConstruct;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.AbstractEnvironment;
/**
 * 加載動(dòng)態(tài)配置信息  
 * @ClassName:DynamicConfig
 * @author:Wh
 * @date: 2017年9月14日 下午3:38:17
 */
@Configuration
public class DynamicConfig {
    //資源信息元數(shù)據(jù):PropertySource包含name和泛型，一份資源信息存在唯一的name以及對(duì)應(yīng)泛型數(shù)據(jù)，在這里設(shè)計(jì)為泛型表明可拓展自定.PropertySource在集合中的唯一性只能去看name
    public static final String DYNAMIC_CONFIG_NAME = "dynamic_config"; 
    @Autowired  
    AbstractEnvironment environment;
    @PostConstruct  
    public void init() {  
        environment.getPropertySources().addFirst(new DynamicLoadPropertySource(DYNAMIC_CONFIG_NAME, null));  
    }  
}

spring.resources.static-locations=file:${user.home}/report
spring.mvc.static-path-pattern=/resources/**