日志框架实现实时修改，实时生效，具体框架思路（4）

最新推荐文章于 2021-03-10 22:07:39 发布

liuzhixiong1992

最新推荐文章于 2021-03-10 22:07:39 发布

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分类专栏：日志性能

本文链接：https://blog.youkuaiyun.com/liuzhixiong1992/article/details/46604121

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代码接第（3）章

fw.write(ENTER_CODE);
for (LogConfigBean lc : list) {
writeLogWithModule(fw, lc);
fw.write(ENTER_CODE);
}
} catch (FileNotFoundException e) {
LOG.error("file " + backFile.getAbsolutePath() + " not found \n"
+ e.getMessage());
} catch (IOException e) {
LOG.error("file " + backFile.getAbsolutePath() + " IOException \n"
+ e.getMessage());
} finally {
// 关闭流
if (null != fw) {
try {
fw.close();
} catch (IOException e) {
LOG.error("close file " + backFile.getAbsolutePath()
+ " IO error\n" + e.getMessage());
}
}
}
String log4j = WEB_INF_PATH + LOG4J_PROPERTIES_NAME;
backFile.renameTo(new File(log4j));
}

private void initData(FileWriter fw, String key, String value)
throws IOException {
fw.write(key + "=" + value + ENTER_CODE);
}

private String initPropsData(Properties props, String key,
String defaultValue) {
String value = props.getProperty(key);
value = (value == null || "".equals(value.trim())) ? defaultValue
: value;
return key + "=" + value + ENTER_CODE;
}