Examples of java.util.logging.SocketHandler

java.util.logging.SocketHandler
Simple network logging Handler.
LogRecords are published to a network stream connection. By default the XMLFormatter class is used for formatting.
Configuration: By default each SocketHandler is initialized using the following LogManager configuration properties. If properties are not defined (or have invalid values) then the specified default values are used.
- java.util.logging.SocketHandler.level specifies the default level for the Handler (defaults to Level.ALL).
- java.util.logging.SocketHandler.filter specifies the name of a Filter class to use (defaults to no Filter).
- java.util.logging.SocketHandler.formatter specifies the name of a Formatter class to use (defaults to java.util.logging.XMLFormatter).
- java.util.logging.SocketHandler.encoding the name of the character set encoding to use (defaults to the default platform encoding).
- java.util.logging.SocketHandler.host specifies the target host name to connect to (no default).
- java.util.logging.SocketHandler.port specifies the target TCP port to use (no default).
The output IO stream is buffered, but is flushed after each LogRecord is written. @version 1.19, 11/17/05 @since 1.4

        "java.util.logging.SocketHandler.host"));
    assertNull(LOG_MANAGER.getProperty(
        "java.util.logging.SocketHandler.port"));


    try {
      h = new SocketHandler();
      fail("Should throw IllegalArgumentException!");
    } catch (IllegalArgumentException e) {
    }


    try {
      h = new SocketHandler(null, 0);
      fail("Should throw IllegalArgumentException!");
    } catch (IllegalArgumentException e) {
    }


    try {
      h = new SocketHandler("", 0);
      fail("Should throw IllegalArgumentException!");
    } catch (IllegalArgumentException e) {
    }


    try {
      h = new SocketHandler("127.0.0.1", -1);
      fail("Should throw IllegalArgumentException!");
    } catch (IllegalArgumentException e) {
    }


    try {
      h = new SocketHandler("127.0.0.1", Integer.MAX_VALUE);
      fail("Should throw IllegalArgumentException!");
    } catch (IllegalArgumentException e) {
    }


    try {
      h = new SocketHandler("127.0.0.1", 66666);
      fail("Should throw IllegalArgumentException!");
    } catch (IllegalArgumentException e) {
    }


    try {
      h = new SocketHandler("127.0.0.1", 0);
      fail("Should throw IllegalArgumentException!");
    } catch (IllegalArgumentException e) {
    }


    // start the server to be ready to accept log messages
    ServerThread thread = new ServerThread();
    thread.start();
    Thread.sleep(2000);


    h = new SocketHandler("127.0.0.1", 6666);
    assertSame(h.getLevel(), Level.ALL);
    assertTrue(h.getFormatter() instanceof XMLFormatter);
    assertNull(h.getFilter());
    assertNull(h.getEncoding());
    h.close();

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    // start the server to be ready to accept log messages
    ServerThread thread = new ServerThread();
    thread.start();
    Thread.sleep(2000);


    h = new SocketHandler();
    assertSame(h.getLevel(), Level.ALL);
    assertTrue(h.getFormatter() instanceof XMLFormatter);
    assertNull(h.getFilter());
    assertNull(h.getEncoding());
    h.close();
    // ensure the thread exits and the port becomes available again
    thread.getReadString();


    try {
      h = new SocketHandler("127.0.sdfcdsfsa%%&&^0.1", 6665);
      fail("Should throw IOException!");
    } catch (IOException e) {
    }
  }

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        EnvironmentHelper.PropertiesToInputStream(p));


    oldMan = System.getSecurityManager();
    System.setSecurityManager(new MockNoSocketSecurityManager());
    try {
      new SocketHandler();
      fail("Should throw SecurityException!");
    } catch (SecurityException e) {
    } finally {
      System.setSecurityManager(oldMan);
    }
    System.setSecurityManager(new MockNoSocketSecurityManager());
    try {
      new SocketHandler("127.0.0.1", 6666);
      fail("Should throw SecurityException!");
    } catch (SecurityException e) {
    } finally {
      System.setSecurityManager(oldMan);
    }

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    // start the server to be ready to accept log messages
    ServerThread thread = new ServerThread();
    thread.start();
    Thread.sleep(2000);


    h = new SocketHandler();
    assertSame(h.getLevel(), Level.parse("FINE"));
    assertTrue(h.getFormatter() instanceof MockFormatter);
    assertTrue(h.getFilter() instanceof MockFilter);
    assertEquals(h.getEncoding(), "iso-8859-1");
    h.close();
    // ensure the thread exits and the port becomes available again
    thread.getReadString();


    // start the server to be ready to accept log messages
    thread = new ServerThread();
    thread.start();
    Thread.sleep(2000);


    h = new SocketHandler("127.0.0.1", 6666);
    assertSame(h.getLevel(), Level.parse("FINE"));
    assertTrue(h.getFormatter() instanceof MockFormatter);
    assertTrue(h.getFilter() instanceof MockFilter);
    assertEquals(h.getEncoding(), "iso-8859-1");
    h.close();

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    // start the server to be ready to accept log messages
    ServerThread thread = new ServerThread();
    thread.start();
    Thread.sleep(2000);


    h = new SocketHandler();
    assertSame(h.getLevel(), Level.ALL);
    assertTrue(h.getFormatter() instanceof XMLFormatter);
    assertNull(h.getFilter());
    assertNull(h.getEncoding());
    h.publish(new LogRecord(Level.SEVERE, "test"));
    assertNull(h.getEncoding());
    h.close();
    // ensure the thread exits and the port becomes available again
    thread.getReadString();


    // start the server to be ready to accept log messages
    thread = new ServerThread();
    thread.start();
    Thread.sleep(2000);


    h = new SocketHandler("127.0.0.1", 6666);
    assertSame(h.getLevel(), Level.ALL);
    assertTrue(h.getFormatter() instanceof XMLFormatter);
    assertNull(h.getFilter());
    assertNull(h.getEncoding());
    h.publish(new LogRecord(Level.SEVERE, "test"));

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    p.put("java.util.logging.SocketHandler.port", "6666i");
    LOG_MANAGER.readConfiguration(
        EnvironmentHelper.PropertiesToInputStream(p));


    try {
      h = new SocketHandler();
      fail("Should throw IllegalArgumentException!");
    } catch (IllegalArgumentException e) {


    }
  }

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    p.put("java.util.logging.SocketHandler.port", "6665");
    LOG_MANAGER.readConfiguration(
        EnvironmentHelper.PropertiesToInputStream(p));


    try {
      h = new SocketHandler();
      fail("Should throw IOException!");
    } catch (IOException e) {


    }


    try {
      h = new SocketHandler("127.0.0.1", 6665);
      fail("Should throw IOException!");
    } catch (IOException e) {


    }
  }

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    p.put("java.util.logging.SocketHandler.port", "6666");
    LOG_MANAGER.readConfiguration(
        EnvironmentHelper.PropertiesToInputStream(p));


    try {
      h = new SocketHandler();
      fail("Should throw IOException!");
    } catch (IOException e) {


    }


    try {
      h = new SocketHandler(" 34345 #$#%$%$", 6666);
      fail("Should throw IOException!");
    } catch (IOException e) {


    }
  }

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    // start the server to be ready to accept log messages
    ServerThread thread = new ServerThread();
    thread.start();
    Thread.sleep(2000);


    h = new SocketHandler();
    h.publish(new LogRecord(Level.SEVERE,
        "testClose_SufficientPrivilege_NormalClose msg"));
    h.close();
    assertEquals("MockFormatter_Head"
        + "testClose_SufficientPrivilege_NormalClose msg"

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    // start the server to be ready to accept log messages
    ServerThread thread = new ServerThread();
    thread.start();
    Thread.sleep(2000);


    h = new SocketHandler();
    h.setLevel(Level.INFO);


    h.close();
    assertEquals("MockFormatter_Head" + "MockFormatter_Tail", thread
        .getReadString());

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