FileHandler.java 文件源码

protected void closeWriter() {

        writerLock.writeLock().lock();
        try {
            if (writer == null)
                return;
            writer.write(getFormatter().getTail(this));
            writer.flush();
            writer.close();
            writer = null;
            date = "";
        } catch (Exception e) {
            reportError(null, e, ErrorManager.CLOSE_FAILURE);
        } finally {
            writerLock.writeLock().unlock();
        }
    }