LocalFileHandler.java 文件源码

@Override
public void close() {
    closed = true;

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

    // wait for bg tasks if running
    backgroundTaskLock.lock();
    backgroundTaskLock.unlock();
}