Package org.apache.storm.daemon.logviewer.utils

# Class LogFileDownloader

java.lang.Object
org.apache.storm.daemon.logviewer.utils.LogFileDownloader

public class LogFileDownloader extends Object

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `LogFileDownloader(String logRoot, String daemonLogRoot, ResourceAuthorizer resourceAuthorizer, StormMetricsRegistry metricsRegistry)`
  Constructor.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `jakarta.ws.rs.core.Response`
  `downloadFile(String host, String fileName, String user, boolean isDaemon)`
  Checks authorization for the log file and download.

  ### Methods inherited from class java.lang.Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- ## Constructor Details

  - ### LogFileDownloader

    public LogFileDownloader(String logRoot, String daemonLogRoot, ResourceAuthorizer resourceAuthorizer, StormMetricsRegistry metricsRegistry)
    Constructor.
    Parameters:
      `logRoot` - root worker log directory
      `daemonLogRoot` - root daemon log directory
      `resourceAuthorizer` - `ResourceAuthorizer`
      `metricsRegistry` - The logviewer metrics registry

- ## Method Details

  - ### downloadFile

    public jakarta.ws.rs.core.Response downloadFile(String host, String fileName, String user, boolean isDaemon) throws IOException
    Checks authorization for the log file and download.
    Parameters:
      `host` - host address
      `fileName` - file to download
      `user` - username
      `isDaemon` - true if the file is a daemon log, false if the file is an worker log
    Returns:
      a Response which lets browsers download that file.
    Throws:
      `IOException`