org.apache.log4j.helpers.FileWatchdog Java Examples

@Test
public void testConfigDirLog4jConfig() throws IOException {
  RuntimeInfo runtimeInfo = Mockito.mock(RuntimeInfo.class);
  File configDir = new File("target", UUID.randomUUID().toString());
  Assert.assertTrue(configDir.mkdirs());
  InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream("log4j.properties");
  OutputStream os = new FileOutputStream(new File(configDir, "log4j.properties"));
  IOUtils.copy(is, os);
  is.close();
  os.close();
  Mockito.when(runtimeInfo.getConfigDir()).thenReturn(configDir.getAbsolutePath());
  Mockito.when(runtimeInfo.getLog4jPropertiesFileName()).thenReturn("log4j.properties");
  new LogConfigurator(runtimeInfo).configure();
  Mockito.verify(runtimeInfo, Mockito.times(1)).getConfigDir();
  boolean foundFileWatcher = false;
  for (Thread thread : Thread.getAllStackTraces().keySet()) {
    foundFileWatcher |= (thread instanceof FileWatchdog);
  }
  Assert.assertTrue(foundFileWatcher);
  Mockito.verify(runtimeInfo, Mockito.times(1)).setAttribute(Mockito.eq(RuntimeInfo.LOG4J_CONFIGURATION_URL_ATTR),
                                                             Mockito.any());
}
 

/**
 * Check that changing log4j config file causes the logger configuration to be updated.
 * String-accepting constructor is used.
 */
@Test
public void testConfigChangeStringConstructorDefaultDelay() throws Exception {
    checkConfigUpdate(new Log4JLoggerSupplier() {
        @Override public Log4JLogger get(File cfgFile) throws Exception {
            return new Log4JLogger(cfgFile.getPath());
        }
    }, FileWatchdog.DEFAULT_DELAY + 5000); // use larger delay to avoid relying on exact timing
}
 

@After
public void cleanUp() throws Exception {
  System.getProperties().remove("log4j.configuration");
  System.getProperties().remove("log4j.defaultInitOverride");
  for (Thread thread : Thread.getAllStackTraces().keySet()) {
    if (thread instanceof FileWatchdog) {
      Field interrupted = ((Class)thread.getClass().getGenericSuperclass()).getDeclaredField("interrupted");
      interrupted.setAccessible(true);
      interrupted.set(thread, true);
      thread.interrupt();
    }
  }
}
 

@Test
public void testClasspathLog4jConfig() {
  RuntimeInfo runtimeInfo = Mockito.mock(RuntimeInfo.class);
  File configDir = new File("target", UUID.randomUUID().toString());
  Assert.assertTrue(configDir.mkdirs());
  Mockito.when(runtimeInfo.getConfigDir()).thenReturn(configDir.getAbsolutePath());
  Mockito.when(runtimeInfo.getLog4jPropertiesFileName()).thenReturn("log4j.properties");
  new LogConfigurator(runtimeInfo).configure();
  Mockito.verify(runtimeInfo, Mockito.times(1)).getConfigDir();
  for (Thread thread : Thread.getAllStackTraces().keySet()) {
   Assert.assertFalse(thread instanceof FileWatchdog);
  }
  Mockito.verify(runtimeInfo, Mockito.times(1)).setAttribute(Mockito.eq(RuntimeInfo.LOG4J_CONFIGURATION_URL_ATTR),
                                                             Mockito.any());
}
 

/**
 * Creates new logger with given configuration {@code path}.
 * Calling this constructor is equivalent to calling {@code Log4JLogger(path, FileWatchdog.DEFAULT_DELAY}.
 *
 * @param path Path to log4j configuration XML file.
 * @throws IgniteCheckedException Thrown in case logger can't be created.
 */
public Log4JLogger(final String path) throws IgniteCheckedException {
    this(path, FileWatchdog.DEFAULT_DELAY);
}
 

/**
 * Creates new logger with given configuration {@code cfgFile}.
 * Calling this constructor is equivalent to calling {@code Log4JLogger(cfgFile, FileWatchdog.DEFAULT_DELAY}.
 *
 * @param cfgFile Log4j configuration XML file.
 * @throws IgniteCheckedException Thrown in case logger can't be created.
 */
public Log4JLogger(File cfgFile) throws IgniteCheckedException {
    this(cfgFile, FileWatchdog.DEFAULT_DELAY);
}
 

/**
 * Creates new logger with given configuration {@code cfgUrl}.
 * Calling this constructor is equivalent to calling {@code Log4JLogger(cfgUrl, FileWatchdog.DEFAULT_DELAY}.
 *
 * @param cfgUrl URL for Log4j configuration XML file.
 * @throws IgniteCheckedException Thrown in case logger can't be created.
 */
public Log4JLogger(final URL cfgUrl) throws IgniteCheckedException {
    this(cfgUrl, FileWatchdog.DEFAULT_DELAY);
}
 

/**
   Like {@link #configureAndWatch(String, long)} except that the
   default delay as defined by {@link FileWatchdog#DEFAULT_DELAY} is
   used.

   @param configFilename A file in key=value format.

*/
static
public
void configureAndWatch(String configFilename) {
  configureAndWatch(configFilename, FileWatchdog.DEFAULT_DELAY);
}
 

/**
   Like {@link #configureAndWatch(String, long)} except that the
   default delay as defined by {@link FileWatchdog#DEFAULT_DELAY} is
   used. 

   @param configFilename A log4j configuration file in XML format.

*/
static
public
void configureAndWatch(String configFilename) {
  configureAndWatch(configFilename, FileWatchdog.DEFAULT_DELAY);
}