使用quartz实现不重启服务器修改自定义配置的示例

package com.autfish; import org.apache.commons.lang3.BooleanUtils; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import org.springframework.util.ResourceUtils; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.util.Properties; /** * Created by autfish on 2017/1/17. */ public class SystemConfig { private static Logger logger = LogManager.getLogger("system"); private static Properties props = new Properties(); private File configFile = null; public SystemConfig(String filePath) { try { this.configFile = ResourceUtils.getFile(filePath); this.refresh(); } catch (FileNotFoundException e) { logger.error(e); logger.warn("file [" + filePath + "] not found!"); this.configFile = null; } } public void refresh() { if (this.configFile != null) SystemConfig.loadConfig(this.configFile); else logger.warn("load configuration file failed!"); } private static void loadConfig(File configFile) { try (FileInputStream fis = new FileInputStream(configFile) { @Override public void close() { } }) { if (props.isEmpty()) { props.load(fis); } else { Properties temp = new Properties(); temp.load(fis); for (Object key : temp.keySet()) { String value = temp.getProperty(key.toString()); if (props.getProperty(key.toString()) != null && !props.getProperty(key.toString()).equals(value)) { props.setProperty(key.toString(), value); logger.info("property changed: " + key.toString() + "=" + value); } } } } catch (Exception e) { logger.error(e); } } public static boolean isDebug() { return BooleanUtils.toBoolean(props.getProperty("debug")); } }