以编程方式设置java.util.logging目标 [英] Setting java.util.logging destination programmatically

问题描述

我正在使用java.util.logging进行日志记录和跟踪.如何在Java应用程序中动态设置应将日志写入的文件.

I'm using java.util.logging for logging and tracing purposes. How can I within a Java application dynamically set the file to which the log should be written.

推荐答案

java.util.logging.FileHandler可能会为您完成其工作.以下代码段显示了一个简单的示例，该示例如何以编程方式设置日志记录目标:

The java.util.logging.FileHandler might do its job for you. The following code snippet shows a simple example how to do set the logging destination programmatically:

    Logger logger = Logger.getLogger("my.logger.name");
    try {
        FileHandler handler = new FileHandler("application.log", true);
        logger.addHandler(handler);
    } catch (IOException e) {
        throw new IllegalStateException("Could not add file handler.", e);
    }
    logger.info("Hello Logger!");

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