Reformat code for consistency

Project: http://git-wip-us.apache.org/repos/asf/logging-chainsaw/repo
Commit: http://git-wip-us.apache.org/repos/asf/logging-chainsaw/commit/96ebd9ad
Tree: http://git-wip-us.apache.org/repos/asf/logging-chainsaw/tree/96ebd9ad
Diff: http://git-wip-us.apache.org/repos/asf/logging-chainsaw/diff/96ebd9ad

Branch: refs/heads/master
Commit: 96ebd9ad265846f6a8ec723b360aad4911220f62
Parents: a805396
Author: Matt Sicker <boa...@gmail.com>
Authored: Tue Mar 13 02:04:22 2018 -0500
Committer: Matt Sicker <boa...@gmail.com>
Committed: Tue Mar 13 02:04:22 2018 -0500

----------------------------------------------------------------------
 pom.xml                                         |    8 +-
 .../apache/log4j/LoggerRepositoryExImpl.java    | 1055 +--
 src/main/java/org/apache/log4j/ULogger.java     |  178 +-
 .../log4j/chainsaw/AbstractPreferencePanel.java |  302 +-
 .../chainsaw/ApplicationPreferenceModel.java    |  328 +-
 .../ApplicationPreferenceModelPanel.java        | 1048 ++-
 .../ApplicationPreferenceModelSaver.java        |   18 +-
 .../apache/log4j/chainsaw/BasicPrefPanel.java   |   50 +-
 .../apache/log4j/chainsaw/ChainsawAbout.java    |   46 +-
 .../apache/log4j/chainsaw/ChainsawAppender.java |  282 +-
 .../log4j/chainsaw/ChainsawAppenderHandler.java |  589 +-
 .../apache/log4j/chainsaw/ChainsawColumns.java  |  118 +-
 .../log4j/chainsaw/ChainsawConstants.java       |  161 +-
 .../ChainsawCyclicBufferTableModel.java         | 1312 ++--
 .../log4j/chainsaw/ChainsawEventBatch.java      |   83 +-
 .../apache/log4j/chainsaw/ChainsawSplash.java   |  116 +-
 .../log4j/chainsaw/ChainsawStatusBar.java       |  461 +-
 .../log4j/chainsaw/ChainsawTabbedPane.java      |  271 +-
 .../log4j/chainsaw/ChainsawToolBarAndMenus.java | 1610 +++--
 .../apache/log4j/chainsaw/ChainsawViewer.java   |   25 +-
 .../log4j/chainsaw/CheckListCellRenderer.java   |   82 +-
 .../apache/log4j/chainsaw/ColumnComparator.java |  273 +-
 .../apache/log4j/chainsaw/CommonActions.java    |   40 +-
 .../chainsaw/CopyEventsToClipboardAction.java   |   26 +-
 .../apache/log4j/chainsaw/CyclicBufferList.java |  314 +-
 .../apache/log4j/chainsaw/DockablePanel.java    |   31 +-
 .../log4j/chainsaw/EventBatchListener.java      |   38 +-
 .../apache/log4j/chainsaw/EventContainer.java   |  303 +-
 .../log4j/chainsaw/EventCountListener.java      |    9 +-
 .../log4j/chainsaw/ExpressionRuleContext.java   |  451 +-
 .../apache/log4j/chainsaw/FileLoadAction.java   |   55 +-
 .../org/apache/log4j/chainsaw/FileMenu.java     |  230 +-
 .../apache/log4j/chainsaw/FileSaveAction.java   |  174 +-
 .../org/apache/log4j/chainsaw/Generator.java    |  173 +-
 .../log4j/chainsaw/GeneratorBeanInfo.java       |   29 +-
 .../org/apache/log4j/chainsaw/JSortTable.java   |  244 +-
 .../log4j/chainsaw/JTextComponentFormatter.java |   14 +-
 .../chainsaw/LogFilePatternLayoutBuilder.java   |  329 +-
 .../org/apache/log4j/chainsaw/LogPanel.java     | 6488 +++++++++---------
 .../log4j/chainsaw/LogPanelLoggerTreeModel.java |  255 +-
 .../log4j/chainsaw/LogPanelPreferenceModel.java |  985 +--
 .../log4j/chainsaw/LogPanelPreferencePanel.java | 1068 ++-
 .../java/org/apache/log4j/chainsaw/LogUI.java   | 3623 +++++-----
 .../log4j/chainsaw/LoggerNameListener.java      |   27 +-
 .../apache/log4j/chainsaw/LoggerNameModel.java  |   63 +-
 .../log4j/chainsaw/LoggerNameModelSupport.java  |  124 +-
 .../apache/log4j/chainsaw/LoggerNameTree.java   |   32 +-
 .../log4j/chainsaw/LoggerNameTreePanel.java     | 2875 ++++----
 .../log4j/chainsaw/LoggingEventWrapper.java     |  314 +-
 .../log4j/chainsaw/ModifiableListModel.java     |    9 +-
 .../org/apache/log4j/chainsaw/NewKeyEvent.java  |   67 +-
 .../apache/log4j/chainsaw/NewKeyListener.java   |   16 +-
 .../apache/log4j/chainsaw/PopupListener.java    |   56 +-
 .../apache/log4j/chainsaw/ProgressPanel.java    |   70 +-
 .../chainsaw/ReceiverConfigurationPanel.java    |  224 +-
 .../org/apache/log4j/chainsaw/RuleMediator.java |  127 +-
 .../log4j/chainsaw/SavableTabSetting.java       |    3 +-
 .../apache/log4j/chainsaw/ShutdownListener.java |   17 +-
 .../org/apache/log4j/chainsaw/SmallButton.java  |  191 +-
 .../log4j/chainsaw/SmallToggleButton.java       |  210 +-
 .../apache/log4j/chainsaw/SortArrowIcon.java    |   82 +-
 .../log4j/chainsaw/SortHeaderRenderer.java      |   88 +-
 .../apache/log4j/chainsaw/SortTableModel.java   |   10 +-
 .../log4j/chainsaw/TableColorizingRenderer.java |  958 ++-
 .../apache/log4j/chainsaw/ThresholdSlider.java  |  119 +-
 .../log4j/chainsaw/ThrowableRenderPanel.java    |  123 +-
 .../org/apache/log4j/chainsaw/WelcomePanel.java |  208 +-
 .../apache/log4j/chainsaw/color/ColorPanel.java | 1605 +++--
 .../apache/log4j/chainsaw/color/Colorizer.java  |   29 +-
 .../log4j/chainsaw/color/RuleColorizer.java     |  479 +-
 .../log4j/chainsaw/dnd/FileDnDTarget.java       |   82 +-
 .../filter/EventTypeEntryContainer.java         |  195 +-
 .../log4j/chainsaw/filter/FilterModel.java      |   46 +-
 .../apache/log4j/chainsaw/help/HelpLocator.java |  186 +-
 .../apache/log4j/chainsaw/help/HelpManager.java |   38 +-
 .../apache/log4j/chainsaw/help/Tutorial.java    |   44 +-
 .../log4j/chainsaw/helper/OkCancelPanel.java    |   73 +-
 .../log4j/chainsaw/helper/SwingHelper.java      |  206 +-
 .../chainsaw/helper/TableCellEditorFactory.java |   66 +-
 .../log4j/chainsaw/icons/ChainsawIcons.java     |  259 +-
 .../log4j/chainsaw/icons/LevelIconFactory.java  |   88 +-
 .../log4j/chainsaw/icons/LineIconFactory.java   |  254 +-
 .../chainsaw/layout/DefaultLayoutFactory.java   |  105 +-
 .../chainsaw/layout/EventDetailLayout.java      |  412 +-
 .../log4j/chainsaw/layout/LayoutEditorPane.java |  437 +-
 .../log4j/chainsaw/messages/MessageCenter.java  |  372 +-
 .../log4j/chainsaw/osx/OSXIntegration.java      |   73 +-
 .../chainsaw/plugins/GUIPluginSkeleton.java     |  129 +-
 .../plugins/PluginClassLoaderFactory.java       |   62 +-
 .../chainsaw/prefs/AbstractSettingsEvent.java   |   31 +-
 .../log4j/chainsaw/prefs/LoadSettingsEvent.java |  101 +-
 .../log4j/chainsaw/prefs/MRUFileList.java       |   52 +-
 .../prefs/MRUFileListPreferenceSaver.java       |   24 +-
 .../log4j/chainsaw/prefs/ProfileManager.java    |   41 +-
 .../log4j/chainsaw/prefs/Profileable.java       |   19 +-
 .../log4j/chainsaw/prefs/SaveSettingsEvent.java |   75 +-
 .../log4j/chainsaw/prefs/SettingsEvent.java     |   11 +-
 .../log4j/chainsaw/prefs/SettingsListener.java  |   38 +-
 .../log4j/chainsaw/prefs/SettingsManager.java   |   46 +-
 .../receivers/NewReceiverDialogPanel.java       |   52 +-
 .../receivers/PluginPropertyEditorPanel.java    |  113 +-
 .../receivers/ReceiverTreeCellRenderer.java     |  138 +-
 .../chainsaw/receivers/ReceiversHelper.java     |  213 +-
 .../chainsaw/receivers/ReceiversPanel.java      | 1490 ++--
 .../chainsaw/receivers/ReceiversTreeModel.java  |  280 +-
 .../chainsaw/receivers/VisualReceiver.java      |   25 +-
 .../log4j/chainsaw/version/VersionManager.java  |   17 +-
 .../chainsaw/vfs/VFSLogFilePatternReceiver.java |  551 +-
 .../vfs/VFSLogFilePatternReceiverBeanInfo.java  |   53 +-
 .../chainsaw/xstream/TableColumnConverter.java  |   15 +-
 .../chainsaw/zeroconf/ZeroConfDeviceModel.java  |   66 +-
 .../log4j/chainsaw/zeroconf/ZeroConfPlugin.java |  188 +-
 .../zeroconf/ZeroConfPreferenceModel.java       |   10 +-
 .../org/apache/log4j/db/ConnectionSource.java   |   77 +-
 .../log4j/db/ConnectionSourceSkeleton.java      |  238 +-
 .../apache/log4j/db/CustomSQLDBReceiver.java    |  149 +-
 .../java/org/apache/log4j/db/DBAppender.java    |  495 +-
 src/main/java/org/apache/log4j/db/DBHelper.java |   75 +-
 .../java/org/apache/log4j/db/DBReceiver.java    |  149 +-
 .../java/org/apache/log4j/db/DBReceiverJob.java |  346 +-
 .../log4j/db/DataSourceConnectionSource.java    |  100 +-
 .../log4j/db/DriverManagerConnectionSource.java |  162 +-
 .../apache/log4j/db/JNDIConnectionSource.java   |  197 +-
 .../apache/log4j/db/dialect/HSQLDBDialect.java  |   24 +-
 .../apache/log4j/db/dialect/MsSQLDialect.java   |   32 +-
 .../apache/log4j/db/dialect/MySQLDialect.java   |   17 +-
 .../apache/log4j/db/dialect/OracleDialect.java  |   16 +-
 .../log4j/db/dialect/PostgreSQLDialect.java     |   17 +-
 .../org/apache/log4j/db/dialect/SQLDialect.java |   11 +-
 .../apache/log4j/db/dialect/SybaseDialect.java  |   19 +-
 .../java/org/apache/log4j/db/dialect/Util.java  |  162 +-
 src/main/java/org/apache/log4j/db/package.html  |   12 +-
 .../org/apache/log4j/helpers/Constants.java     |   67 +-
 .../apache/log4j/helpers/MessageFormatter.java  |   35 +-
 .../apache/log4j/helpers/UtilLoggingLevel.java  |   43 +-
 .../java/org/apache/log4j/net/AddressBased.java |   14 +-
 .../java/org/apache/log4j/net/JMSReceiver.java  |  520 +-
 .../apache/log4j/net/JMSReceiverBeanInfo.java   |    9 +-
 .../org/apache/log4j/net/MulticastAppender.java |  559 +-
 .../org/apache/log4j/net/MulticastReceiver.java |  401 +-
 .../log4j/net/MulticastReceiverBeanInfo.java    |    7 +-
 .../java/org/apache/log4j/net/NetworkBased.java |    7 +-
 .../java/org/apache/log4j/net/PortBased.java    |   12 +-
 .../org/apache/log4j/net/SocketHubReceiver.java |  614 +-
 .../java/org/apache/log4j/net/SocketNode13.java |  413 +-
 .../log4j/net/SocketNodeEventListener.java      |   36 +-
 .../org/apache/log4j/net/SocketReceiver.java    |  744 +-
 .../java/org/apache/log4j/net/UDPAppender.java  |  527 +-
 .../java/org/apache/log4j/net/UDPReceiver.java  |  411 +-
 .../org/apache/log4j/net/XMLSocketNode.java     |  313 +-
 .../org/apache/log4j/net/XMLSocketReceiver.java |  521 +-
 .../org/apache/log4j/plugins/Pauseable.java     |    7 +-
 .../java/org/apache/log4j/plugins/Plugin.java   |   21 +-
 .../org/apache/log4j/plugins/PluginEvent.java   |    2 +-
 .../apache/log4j/plugins/PluginListener.java    |    6 +-
 .../apache/log4j/plugins/PluginRegistry.java    |   18 +-
 .../apache/log4j/plugins/PluginSkeleton.java    |   64 +-
 .../java/org/apache/log4j/plugins/Receiver.java |   10 +-
 .../apache/log4j/rewrite/MapRewritePolicy.java  |   30 +-
 .../log4j/rewrite/PropertyRewritePolicy.java    |   36 +-
 .../log4j/rewrite/ReflectionRewritePolicy.java  |   40 +-
 .../apache/log4j/rewrite/RewriteAppender.java   |   89 +-
 .../org/apache/log4j/rewrite/RewritePolicy.java |   33 +-
 .../org/apache/log4j/scheduler/Scheduler.java   |   26 +-
 .../org/apache/log4j/spi/ComponentBase.java     |    6 +-
 src/main/java/org/apache/log4j/spi/Decoder.java |   18 +-
 .../java/org/apache/log4j/spi/ErrorItem.java    |  152 +-
 .../java/org/apache/log4j/spi/Log4JULogger.java |   22 +-
 .../apache/log4j/spi/LoggerEventListener.java   |   69 +-
 .../spi/LoggerRepositoryEventListener.java      |   59 +-
 .../apache/log4j/spi/LoggerRepositoryEx.java    |  345 +-
 .../java/org/apache/log4j/spi/NOPULogger.java   |    1 +
 .../org/apache/log4j/spi/SimpleULogger.java     |  340 +-
 .../org/apache/log4j/spi/Thresholdable.java     |    2 +-
 .../apache/log4j/varia/ListModelAppender.java   |   80 +-
 .../log4j/varia/LogFilePatternReceiver.java     | 1484 ++--
 .../varia/LogFilePatternReceiverBeanInfo.java   |   49 +-
 .../apache/log4j/xml/LogFileXMLReceiver.java    |   40 +-
 .../log4j/xml/UtilLoggingEntityResolver.java    |   19 +-
 .../apache/log4j/xml/UtilLoggingXMLDecoder.java |  688 +-
 .../java/org/apache/log4j/xml/XMLDecoder.java   |  714 +-
 181 files changed, 24719 insertions(+), 25499 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/logging-chainsaw/blob/96ebd9ad/pom.xml
----------------------------------------------------------------------
diff --git a/pom.xml b/pom.xml
index 51735cd..1ae8c35 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.logging</groupId>
     <artifactId>logging-parent</artifactId>
-    <version>1</version>
+    <version>2-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <groupId>log4j</groupId>
@@ -449,6 +449,12 @@
       <optional>true</optional>
       <scope>provided</scope>
     </dependency>
+    <dependency>
+      <groupId>org.projectlombok</groupId>
+      <artifactId>lombok</artifactId>
+      <version>1.16.20</version>
+      <scope>provided</scope>
+    </dependency>
   </dependencies>
   <reporting>
     <excludeDefaults>true</excludeDefaults>

http://git-wip-us.apache.org/repos/asf/logging-chainsaw/blob/96ebd9ad/src/main/java/org/apache/log4j/LoggerRepositoryExImpl.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/log4j/LoggerRepositoryExImpl.java 
b/src/main/java/org/apache/log4j/LoggerRepositoryExImpl.java
index 5235246..55d94e7 100644
--- a/src/main/java/org/apache/log4j/LoggerRepositoryExImpl.java
+++ b/src/main/java/org/apache/log4j/LoggerRepositoryExImpl.java
@@ -23,301 +23,298 @@ import org.apache.log4j.or.RendererMap;
 import org.apache.log4j.plugins.Plugin;
 import org.apache.log4j.plugins.PluginRegistry;
 import org.apache.log4j.scheduler.Scheduler;
-import org.apache.log4j.spi.ErrorItem;
-import org.apache.log4j.spi.HierarchyEventListener;
-import org.apache.log4j.spi.LoggerEventListener;
-import org.apache.log4j.spi.LoggerFactory;
-import org.apache.log4j.spi.LoggerRepository;
-import org.apache.log4j.spi.LoggerRepositoryEventListener;
-import org.apache.log4j.spi.LoggerRepositoryEx;
-import org.apache.log4j.spi.RendererSupport;
-import org.apache.log4j.xml.UnrecognizedElementHandler;
+import org.apache.log4j.spi.*;
 import org.apache.log4j.xml.DOMConfigurator;
+import org.apache.log4j.xml.UnrecognizedElementHandler;
 import org.w3c.dom.Element;
 
-import java.util.ArrayList;
-import java.util.Enumeration;
-import java.util.HashMap;
-import java.util.Hashtable;
-import java.util.List;
-import java.util.Map;
-import java.util.Properties;
-import java.util.Vector;
+import java.util.*;
 
 
 /**
  * This class implements LoggerRepositoryEx by
- *   wrapping an existing LoggerRepository implementation
- *   and implementing the newly added capabilities.
-*/
+ * wrapping an existing LoggerRepository implementation
+ * and implementing the newly added capabilities.
+ */
 public final class LoggerRepositoryExImpl
-        implements LoggerRepositoryEx,
-        RendererSupport,
-        UnrecognizedElementHandler {
+    implements LoggerRepositoryEx,
+    RendererSupport,
+    UnrecognizedElementHandler {
 
     /**
      * Wrapped logger repository.
      */
-  private final LoggerRepository repo;
+    private final LoggerRepository repo;
 
     /**
      * Logger factory.  Does not affect class of logger
      * created by underlying repository.
      */
-  private LoggerFactory loggerFactory;
+    private LoggerFactory loggerFactory;
 
     /**
-     *  Renderer support.
+     * Renderer support.
      */
-  private final RendererSupport rendererSupport;
+    private final RendererSupport rendererSupport;
 
     /**
      * List of repository event listeners.
      */
-  private final ArrayList<LoggerRepositoryEventListener> 
repositoryEventListeners = new ArrayList<>();
+    private final ArrayList<LoggerRepositoryEventListener> 
repositoryEventListeners = new ArrayList<>();
     /**
      * Map of HierarchyEventListener keyed by LoggingEventListener.
      */
-  private final Map<LoggerEventListener, HierarchyEventListenerProxy> 
loggerEventListeners = new HashMap<>();
+    private final Map<LoggerEventListener, HierarchyEventListenerProxy> 
loggerEventListeners = new HashMap<>();
     /**
      * Name of hierarchy.
      */
-  private String name;
+    private String name;
     /**
      * Plug in registry.
      */
-  private PluginRegistry pluginRegistry;
+    private PluginRegistry pluginRegistry;
     /**
      * Properties.
      */
-  private final Map<String, String> properties = new Hashtable<>();
+    private final Map<String, String> properties = new Hashtable<>();
     /**
      * Scheduler.
      */
-  private Scheduler scheduler;
+    private Scheduler scheduler;
 
-  /** The repository can also be used as an object store
-   * for various objects used by log4j components.
-   */
-  private Map<String, Object> objectMap = new HashMap<>();
+    /**
+     * The repository can also be used as an object store
+     * for various objects used by log4j components.
+     */
+    private Map<String, Object> objectMap = new HashMap<>();
 
 
     /**
      * Error list.
      */
-  private List<ErrorItem> errorList = new Vector<>();
+    private List<ErrorItem> errorList = new Vector<>();
 
     /**
      * True if hierarchy has not been modified.
      */
-  private boolean pristine = true;
-
-  /**
-     Constructs a new logger hierarchy.
-
-     @param repository Base implementation of repository.
-
-   */
-  public LoggerRepositoryExImpl(final LoggerRepository repository) {
-    super();
-    if (repository == null) {
-        throw new NullPointerException("repository");
-    }
-    repo = repository;
-    if (repository instanceof RendererSupport) {
-        rendererSupport = (RendererSupport) repository;
-    } else {
-        rendererSupport = new RendererSupportImpl();
-    }
-  }
-
-
-  /**
-    Add a {@link LoggerRepositoryEventListener} to the repository. The
-    listener will be called when repository events occur.
-    @param listener listener
-    */
-  public void addLoggerRepositoryEventListener(
-    final LoggerRepositoryEventListener listener) {
-    synchronized (repositoryEventListeners) {
-      if (repositoryEventListeners.contains(listener)) {
-        LogLog.warn(
-          "Ignoring attempt to add a previously "
-                  + "registered LoggerRepositoryEventListener.");
-      } else {
-        repositoryEventListeners.add(listener);
-      }
-    }
-  }
-
-
-  /**
-    Remove a {@link LoggerRepositoryEventListener} from the repository.
-    @param listener listener
-    */
-  public void removeLoggerRepositoryEventListener(
-    final LoggerRepositoryEventListener listener) {
-    synchronized (repositoryEventListeners) {
-      if (!repositoryEventListeners.contains(listener)) {
-        LogLog.warn(
-          "Ignoring attempt to remove a "
-                  + "non-registered LoggerRepositoryEventListener.");
-      } else {
-        repositoryEventListeners.remove(listener);
-      }
-    }
-  }
-
-  /**
-    Add a {@link LoggerEventListener} to the repository. The  listener
-    will be called when repository events occur.
-    @param listener listener
-   */
-  public void addLoggerEventListener(final LoggerEventListener listener) {
-    synchronized (loggerEventListeners) {
-      if (loggerEventListeners.get(listener) != null) {
-        LogLog.warn(
-         "Ignoring attempt to add a previously registerd 
LoggerEventListener.");
-      } else {
-        HierarchyEventListenerProxy proxy =
-                new HierarchyEventListenerProxy(listener);
-        loggerEventListeners.put(listener, proxy);
-        repo.addHierarchyEventListener(proxy);
-      }
-    }
-  }
-
-    /**
-       Add a {@link org.apache.log4j.spi.HierarchyEventListener}
-     event to the repository.
-     @param listener listener
-       @deprecated Superceded by addLoggerEventListener
-    */
-    public
-    void addHierarchyEventListener(final HierarchyEventListener listener) {
+    private boolean pristine = true;
+
+    /**
+     * Constructs a new logger hierarchy.
+     *
+     * @param repository Base implementation of repository.
+     */
+    public LoggerRepositoryExImpl(final LoggerRepository repository) {
+        super();
+        if (repository == null) {
+            throw new NullPointerException("repository");
+        }
+        repo = repository;
+        if (repository instanceof RendererSupport) {
+            rendererSupport = (RendererSupport) repository;
+        } else {
+            rendererSupport = new RendererSupportImpl();
+        }
+    }
+
+
+    /**
+     * Add a {@link LoggerRepositoryEventListener} to the repository. The
+     * listener will be called when repository events occur.
+     *
+     * @param listener listener
+     */
+    public void addLoggerRepositoryEventListener(
+        final LoggerRepositoryEventListener listener) {
+        synchronized (repositoryEventListeners) {
+            if (repositoryEventListeners.contains(listener)) {
+                LogLog.warn(
+                    "Ignoring attempt to add a previously "
+                        + "registered LoggerRepositoryEventListener.");
+            } else {
+                repositoryEventListeners.add(listener);
+            }
+        }
+    }
+
+
+    /**
+     * Remove a {@link LoggerRepositoryEventListener} from the repository.
+     *
+     * @param listener listener
+     */
+    public void removeLoggerRepositoryEventListener(
+        final LoggerRepositoryEventListener listener) {
+        synchronized (repositoryEventListeners) {
+            if (!repositoryEventListeners.contains(listener)) {
+                LogLog.warn(
+                    "Ignoring attempt to remove a "
+                        + "non-registered LoggerRepositoryEventListener.");
+            } else {
+                repositoryEventListeners.remove(listener);
+            }
+        }
+    }
+
+    /**
+     * Add a {@link LoggerEventListener} to the repository. The  listener
+     * will be called when repository events occur.
+     *
+     * @param listener listener
+     */
+    public void addLoggerEventListener(final LoggerEventListener listener) {
+        synchronized (loggerEventListeners) {
+            if (loggerEventListeners.get(listener) != null) {
+                LogLog.warn(
+                    "Ignoring attempt to add a previously registerd 
LoggerEventListener.");
+            } else {
+                HierarchyEventListenerProxy proxy =
+                    new HierarchyEventListenerProxy(listener);
+                loggerEventListeners.put(listener, proxy);
+                repo.addHierarchyEventListener(proxy);
+            }
+        }
+    }
+
+    /**
+     * Add a {@link org.apache.log4j.spi.HierarchyEventListener}
+     * event to the repository.
+     *
+     * @param listener listener
+     * @deprecated Superceded by addLoggerEventListener
+     */
+    public void addHierarchyEventListener(final HierarchyEventListener 
listener) {
         repo.addHierarchyEventListener(listener);
     }
 
 
-  /**
-    Remove a {@link LoggerEventListener} from the repository.
-    @param listener listener to be removed
-    */
-  public void removeLoggerEventListener(final LoggerEventListener listener) {
-    synchronized (loggerEventListeners) {
-      HierarchyEventListenerProxy proxy =
-              loggerEventListeners.get(listener);
-      if (proxy == null) {
-        LogLog.warn(
-          "Ignoring attempt to remove a non-registered LoggerEventListener.");
-      } else {
-        loggerEventListeners.remove(listener);
-        proxy.disable();
-      }
+    /**
+     * Remove a {@link LoggerEventListener} from the repository.
+     *
+     * @param listener listener to be removed
+     */
+    public void removeLoggerEventListener(final LoggerEventListener listener) {
+        synchronized (loggerEventListeners) {
+            HierarchyEventListenerProxy proxy =
+                loggerEventListeners.get(listener);
+            if (proxy == null) {
+                LogLog.warn(
+                    "Ignoring attempt to remove a non-registered 
LoggerEventListener.");
+            } else {
+                loggerEventListeners.remove(listener);
+                proxy.disable();
+            }
+        }
     }
-  }
 
     /**
      * Issue warning that there are no appenders in hierarchy.
+     *
      * @param cat logger, not currently used.
      */
-  public void emitNoAppenderWarning(final Category cat) {
-    repo.emitNoAppenderWarning(cat);
-  }
-
-  /**
-     Check if the named logger exists in the hierarchy. If so return
-     its reference, otherwise returns <code>null</code>.
-
-     @param loggerName The name of the logger to search for.
-     @return true if logger exists.
-  */
-  public Logger exists(final String loggerName) {
-    return repo.exists(loggerName);
-  }
-
-  /**
-   * Return the name of this hierarchy.
-   * @return name of hierarchy
-   */
-  public String getName() {
-    return name;
-  }
-
-  /**
-   * Set the name of this repository.
-   *
-   * Note that once named, a repository cannot be rerenamed.
-   * @param repoName name of hierarchy
-   */
-  public void setName(final String repoName) {
-    if (name == null) {
-      name = repoName;
-    } else if (!name.equals(repoName)) {
-      throw new IllegalStateException(
-        "Repository [" + name + "] cannot be renamed as [" + repoName + "].");
-    }
-  }
-
-  /**
-   * {@inheritDoc}
-   */
-  public Map<String, String> getProperties() {
-    return properties;
-  }
-
-  /**
-   * {@inheritDoc}
-   */
-  public String getProperty(final String key) {
-     return properties.get(key);
-  }
-
-  /**
-   * Set a property by key and value. The property will be shared by all
-   * events in this repository.
-   * @param key property name
-   * @param value property value
-   */
-  public void setProperty(final String key,
-                          final String value) {
-   properties.put(key, value);
-  }
-
-  /**
-     The string form of {@link #setThreshold(Level)}.
-   @param levelStr symbolic name for level
-  */
-  public void setThreshold(final String levelStr) {
-    repo.setThreshold(levelStr);
-  }
-
-  /**
-     Enable logging for logging requests with level <code>l</code> or
-     higher. By default all levels are enabled.
-
-     @param l The minimum level for which logging requests are sent to
-     their appenders.  */
-  public void setThreshold(final Level l) {
-    repo.setThreshold(l);
-  }
-
-  /**
-   * {@inheritDoc}
-   */
-  public PluginRegistry getPluginRegistry() {
-   if (pluginRegistry == null) {
-     pluginRegistry = new PluginRegistry(this);
-   }
-   return pluginRegistry;
-  }
-
-
-    /**
-      Requests that a appender added event be sent to any registered
-      {@link LoggerEventListener}.
-      @param logger The logger to which the appender was added.
-      @param appender The appender added to the logger.
+    public void emitNoAppenderWarning(final Category cat) {
+        repo.emitNoAppenderWarning(cat);
+    }
+
+    /**
+     * Check if the named logger exists in the hierarchy. If so return
+     * its reference, otherwise returns <code>null</code>.
+     *
+     * @param loggerName The name of the logger to search for.
+     * @return true if logger exists.
+     */
+    public Logger exists(final String loggerName) {
+        return repo.exists(loggerName);
+    }
+
+    /**
+     * Return the name of this hierarchy.
+     *
+     * @return name of hierarchy
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * Set the name of this repository.
+     * <p>
+     * Note that once named, a repository cannot be rerenamed.
+     *
+     * @param repoName name of hierarchy
+     */
+    public void setName(final String repoName) {
+        if (name == null) {
+            name = repoName;
+        } else if (!name.equals(repoName)) {
+            throw new IllegalStateException(
+                "Repository [" + name + "] cannot be renamed as [" + repoName 
+ "].");
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public Map<String, String> getProperties() {
+        return properties;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public String getProperty(final String key) {
+        return properties.get(key);
+    }
+
+    /**
+     * Set a property by key and value. The property will be shared by all
+     * events in this repository.
+     *
+     * @param key   property name
+     * @param value property value
+     */
+    public void setProperty(final String key,
+                            final String value) {
+        properties.put(key, value);
+    }
+
+    /**
+     * The string form of {@link #setThreshold(Level)}.
+     *
+     * @param levelStr symbolic name for level
+     */
+    public void setThreshold(final String levelStr) {
+        repo.setThreshold(levelStr);
+    }
+
+    /**
+     * Enable logging for logging requests with level <code>l</code> or
+     * higher. By default all levels are enabled.
+     *
+     * @param l The minimum level for which logging requests are sent to
+     *          their appenders.
+     */
+    public void setThreshold(final Level l) {
+        repo.setThreshold(l);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public PluginRegistry getPluginRegistry() {
+        if (pluginRegistry == null) {
+            pluginRegistry = new PluginRegistry(this);
+        }
+        return pluginRegistry;
+    }
+
+
+    /**
+     * Requests that a appender added event be sent to any registered
+     * {@link LoggerEventListener}.
+     *
+     * @param logger   The logger to which the appender was added.
+     * @param appender The appender added to the logger.
      */
     public void fireAddAppenderEvent(final Category logger,
                                      final Appender appender) {
@@ -326,270 +323,285 @@ public final class LoggerRepositoryExImpl
 
 
     /**
-      Requests that a appender removed event be sent to any registered
-      {@link LoggerEventListener}.
-      @param logger The logger from which the appender was removed.
-      @param appender The appender removed from the logger.
-      */
+     * Requests that a appender removed event be sent to any registered
+     * {@link LoggerEventListener}.
+     *
+     * @param logger   The logger from which the appender was removed.
+     * @param appender The appender removed from the logger.
+     */
     public void fireRemoveAppenderEvent(final Category logger,
                                         final Appender appender) {
-       if (repo instanceof Hierarchy) {
-           ((Hierarchy) repo).fireRemoveAppenderEvent(logger, appender);
-       }
-    }
-
-
-  /**
-    Requests that a level changed event be sent to any registered
-    {@link LoggerEventListener}.
-    @param logger The logger which changed levels.
-    */
-  public void fireLevelChangedEvent(final Logger logger) {
-  }
-
-  /**
-   *
-   * Requests that a configuration changed event be sent to any registered
-   * {@link LoggerRepositoryEventListener}.
-   * 
-   */
-  public void fireConfigurationChangedEvent() {
-  }
-
-
-  /**
-     Returns the current threshold.
-     @return current threshold level
-
-     @since 1.2 */
-  public Level getThreshold() {
-    return repo.getThreshold();
-  }
-
-
-  /**
-     Return a new logger instance named as the first parameter using
-     the default factory.
-
-     <p>If a logger of that name already exists, then it will be
-     returned.  Otherwise, a new logger will be instantiated and
-     then linked with its existing ancestors as well as children.
-
-     @param loggerName The name of the logger to retrieve.
-     @return logger
-
-  */
-  public Logger getLogger(final String loggerName) {
-    return repo.getLogger(loggerName);
-  }
-
-  /**
-      Return a new logger instance named as the first parameter using
-      <code>factory</code>.
-
-      <p>If a logger of that name already exists, then it will be
-      returned.  Otherwise, a new logger will be instantiated by the
-      <code>factory</code> parameter and linked with its existing
-      ancestors as well as children.
-
-      @param loggerName The name of the logger to retrieve.
-      @param factory The factory that will make the new logger instance.
-      @return logger
-
-  */
-  public Logger getLogger(final String loggerName,
-                          final LoggerFactory factory) {
-    return repo.getLogger(loggerName, factory);
-  }
-
-  /**
-     Returns all the currently defined categories in this hierarchy as
-     an {@link java.util.Enumeration Enumeration}.
-
-     <p>The root logger is <em>not</em> included in the returned
-     {@link Enumeration}.
-     @return enumerator of current loggers
-   */
-  public Enumeration getCurrentLoggers() {
-    return repo.getCurrentLoggers();
-  }
-
-  /**
-   * Return the the list of previously encoutered {@link ErrorItem error 
items}.
-   * @return list of errors
-   */
-  public List<ErrorItem> getErrorList() {
-    return errorList;
-  }
-
-  /**
-   * Add an error item to the list of previously encountered errors.
-   * @param errorItem error to add to list of errors.
-   */
-  public void addErrorItem(final ErrorItem errorItem) {
-    getErrorList().add(errorItem);
-  }
-
-  /**
-   * Get enumerator over current loggers.
-   * @return enumerator over current loggers
-     @deprecated Please use {@link #getCurrentLoggers} instead.
-   */
-  public Enumeration getCurrentCategories() {
-    return repo.getCurrentCategories();
-  }
-
-  /**
-     Get the renderer map for this hierarchy.
-   @return renderer map
-  */
-  public RendererMap getRendererMap() {
-    return rendererSupport.getRendererMap();
-  }
-
-  /**
-     Get the root of this hierarchy.
-
-     @since 0.9.0
-   @return root of hierarchy
-   */
-  public Logger getRootLogger() {
-    return repo.getRootLogger();
-  }
-
-  /**
-     This method will return <code>true</code> if this repository is
-     disabled for <code>level</code> value passed as parameter and
-     <code>false</code> otherwise. See also the {@link
-     #setThreshold(Level) threshold} method.
-   @param level numeric value for level.
-   @return true if disabled for specified level
-   */
-  public boolean isDisabled(final int level) {
-    return repo.isDisabled(level);
-  }
-
-  /**
-     Reset all values contained in this hierarchy instance to their
-     default.  This removes all appenders from all categories, sets
-     the level of all non-root categories to <code>null</code>,
-     sets their additivity flag to <code>true</code> and sets the level
-     of the root logger to DEBUG.  Moreover,
-     message disabling is set its default "off" value.
-
-     <p>Existing categories are not removed. They are just reset.
-
-     <p>This method should be used sparingly and with care as it will
-     block all logging until it is completed.</p>
-
-     @since 0.8.5 */
-  public void resetConfiguration() {
-    repo.resetConfiguration();
-  }
-
-  /**
-     Used by subclasses to add a renderer to the hierarchy passed as parameter.
-   @param renderedClass class
-   @param renderer object used to render class.
-   */
-  public void setRenderer(final Class renderedClass,
-                          final ObjectRenderer renderer) {
-    rendererSupport.setRenderer(renderedClass, renderer);
-  }
-
-  /**
-   * {@inheritDoc}
-   */
-  public boolean isPristine() {
-    return pristine;
-  }
-
-  /**
-   * {@inheritDoc}
-   */
-  public void setPristine(final boolean state) {
-    pristine = state;
-  }
-
-  /**
-     Shutting down a hierarchy will <em>safely</em> close and remove
-     all appenders in all categories including the root logger.
-
-     <p>Some appenders such as org.apache.log4j.net.SocketAppender
-     and AsyncAppender need to be closed before the
-     application exists. Otherwise, pending logging events might be
-     lost.
-
-     <p>The <code>shutdown</code> method is careful to close nested
-     appenders before closing regular appenders. This is allows
-     configurations where a regular appender is attached to a logger
-     and again to a nested appender.
-
-     @since 1.0 */
-  public void shutdown() {
-    repo.shutdown();
-  }
-
-
-  /**
-   * Return this repository's own scheduler.
-   * The scheduler is lazily instantiated.
-   * @return this repository's own scheduler.
-   */
-  public Scheduler getScheduler() {
-    if (scheduler == null) {
-      scheduler = new Scheduler();
-      scheduler.setDaemon(true);
-      scheduler.start();
-    }
-    return scheduler;
-  }
+        if (repo instanceof Hierarchy) {
+            ((Hierarchy) repo).fireRemoveAppenderEvent(logger, appender);
+        }
+    }
+
+
+    /**
+     * Requests that a level changed event be sent to any registered
+     * {@link LoggerEventListener}.
+     *
+     * @param logger The logger which changed levels.
+     */
+    public void fireLevelChangedEvent(final Logger logger) {
+    }
+
+    /**
+     * Requests that a configuration changed event be sent to any registered
+     * {@link LoggerRepositoryEventListener}.
+     */
+    public void fireConfigurationChangedEvent() {
+    }
+
+
+    /**
+     * Returns the current threshold.
+     *
+     * @return current threshold level
+     * @since 1.2
+     */
+    public Level getThreshold() {
+        return repo.getThreshold();
+    }
+
+
+    /**
+     * Return a new logger instance named as the first parameter using
+     * the default factory.
+     * <p>
+     * <p>If a logger of that name already exists, then it will be
+     * returned.  Otherwise, a new logger will be instantiated and
+     * then linked with its existing ancestors as well as children.
+     *
+     * @param loggerName The name of the logger to retrieve.
+     * @return logger
+     */
+    public Logger getLogger(final String loggerName) {
+        return repo.getLogger(loggerName);
+    }
+
+    /**
+     * Return a new logger instance named as the first parameter using
+     * <code>factory</code>.
+     * <p>
+     * <p>If a logger of that name already exists, then it will be
+     * returned.  Otherwise, a new logger will be instantiated by the
+     * <code>factory</code> parameter and linked with its existing
+     * ancestors as well as children.
+     *
+     * @param loggerName The name of the logger to retrieve.
+     * @param factory    The factory that will make the new logger instance.
+     * @return logger
+     */
+    public Logger getLogger(final String loggerName,
+                            final LoggerFactory factory) {
+        return repo.getLogger(loggerName, factory);
+    }
+
+    /**
+     * Returns all the currently defined categories in this hierarchy as
+     * an {@link java.util.Enumeration Enumeration}.
+     * <p>
+     * <p>The root logger is <em>not</em> included in the returned
+     * {@link Enumeration}.
+     *
+     * @return enumerator of current loggers
+     */
+    public Enumeration getCurrentLoggers() {
+        return repo.getCurrentLoggers();
+    }
+
+    /**
+     * Return the the list of previously encoutered {@link ErrorItem error 
items}.
+     *
+     * @return list of errors
+     */
+    public List<ErrorItem> getErrorList() {
+        return errorList;
+    }
+
+    /**
+     * Add an error item to the list of previously encountered errors.
+     *
+     * @param errorItem error to add to list of errors.
+     */
+    public void addErrorItem(final ErrorItem errorItem) {
+        getErrorList().add(errorItem);
+    }
+
+    /**
+     * Get enumerator over current loggers.
+     *
+     * @return enumerator over current loggers
+     * @deprecated Please use {@link #getCurrentLoggers} instead.
+     */
+    public Enumeration getCurrentCategories() {
+        return repo.getCurrentCategories();
+    }
+
+    /**
+     * Get the renderer map for this hierarchy.
+     *
+     * @return renderer map
+     */
+    public RendererMap getRendererMap() {
+        return rendererSupport.getRendererMap();
+    }
+
+    /**
+     * Get the root of this hierarchy.
+     *
+     * @return root of hierarchy
+     * @since 0.9.0
+     */
+    public Logger getRootLogger() {
+        return repo.getRootLogger();
+    }
+
+    /**
+     * This method will return <code>true</code> if this repository is
+     * disabled for <code>level</code> value passed as parameter and
+     * <code>false</code> otherwise. See also the {@link
+     * #setThreshold(Level) threshold} method.
+     *
+     * @param level numeric value for level.
+     * @return true if disabled for specified level
+     */
+    public boolean isDisabled(final int level) {
+        return repo.isDisabled(level);
+    }
+
+    /**
+     * Reset all values contained in this hierarchy instance to their
+     * default.  This removes all appenders from all categories, sets
+     * the level of all non-root categories to <code>null</code>,
+     * sets their additivity flag to <code>true</code> and sets the level
+     * of the root logger to DEBUG.  Moreover,
+     * message disabling is set its default "off" value.
+     * <p>
+     * <p>Existing categories are not removed. They are just reset.
+     * <p>
+     * <p>This method should be used sparingly and with care as it will
+     * block all logging until it is completed.</p>
+     *
+     * @since 0.8.5
+     */
+    public void resetConfiguration() {
+        repo.resetConfiguration();
+    }
+
+    /**
+     * Used by subclasses to add a renderer to the hierarchy passed as 
parameter.
+     *
+     * @param renderedClass class
+     * @param renderer      object used to render class.
+     */
+    public void setRenderer(final Class renderedClass,
+                            final ObjectRenderer renderer) {
+        rendererSupport.setRenderer(renderedClass, renderer);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public boolean isPristine() {
+        return pristine;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void setPristine(final boolean state) {
+        pristine = state;
+    }
+
+    /**
+     * Shutting down a hierarchy will <em>safely</em> close and remove
+     * all appenders in all categories including the root logger.
+     * <p>
+     * <p>Some appenders such as org.apache.log4j.net.SocketAppender
+     * and AsyncAppender need to be closed before the
+     * application exists. Otherwise, pending logging events might be
+     * lost.
+     * <p>
+     * <p>The <code>shutdown</code> method is careful to close nested
+     * appenders before closing regular appenders. This is allows
+     * configurations where a regular appender is attached to a logger
+     * and again to a nested appender.
+     *
+     * @since 1.0
+     */
+    public void shutdown() {
+        repo.shutdown();
+    }
+
+
+    /**
+     * Return this repository's own scheduler.
+     * The scheduler is lazily instantiated.
+     *
+     * @return this repository's own scheduler.
+     */
+    public Scheduler getScheduler() {
+        if (scheduler == null) {
+            scheduler = new Scheduler();
+            scheduler.setDaemon(true);
+            scheduler.start();
+        }
+        return scheduler;
+    }
 
     /**
      * Puts object by key.
-     * @param key key, may not be null.
+     *
+     * @param key   key, may not be null.
      * @param value object to associate with key.
      */
-  public void putObject(final String key,
-                        final Object value) {
-    objectMap.put(key, value);
-  }
+    public void putObject(final String key,
+                          final Object value) {
+        objectMap.put(key, value);
+    }
 
     /**
      * Get object by key.
+     *
      * @param key key, may not be null.
      * @return object associated with key or null.
      */
-  public Object getObject(final String key) {
-    return objectMap.get(key);
-  }
+    public Object getObject(final String key) {
+        return objectMap.get(key);
+    }
 
     /**
      * Set logger factory.
+     *
      * @param factory logger factory.
      */
-  public void setLoggerFactory(final LoggerFactory factory) {
-    if (factory == null) {
-      throw new NullPointerException();
+    public void setLoggerFactory(final LoggerFactory factory) {
+        if (factory == null) {
+            throw new NullPointerException();
+        }
+        this.loggerFactory = factory;
     }
-    this.loggerFactory = factory;
-  }
 
     /**
      * Get logger factory.
+     *
      * @return logger factory.
      */
-  public LoggerFactory getLoggerFactory() {
-    return loggerFactory;
-  }
+    public LoggerFactory getLoggerFactory() {
+        return loggerFactory;
+    }
 
-    /** {@inheritDoc} */
+    /**
+     * {@inheritDoc}
+     */
     public boolean parseUnrecognizedElement(
-            final Element element,
-            final Properties props) throws Exception {
+        final Element element,
+        final Properties props) throws Exception {
         if ("plugin".equals(element.getNodeName())) {
             Object instance =
-                    DOMConfigurator.parseElement(element, props, Plugin.class);
+                DOMConfigurator.parseElement(element, props, Plugin.class);
             if (instance instanceof Plugin) {
                 Plugin plugin = (Plugin) instance;
                 String pluginName = 
DOMConfigurator.subst(element.getAttribute("name"), props);
@@ -608,90 +620,99 @@ public final class LoggerRepositoryExImpl
     }
 
 
-
     /**
      * Implementation of RendererSupportImpl if not
      * provided by LoggerRepository.
      */
-   private static final class RendererSupportImpl implements RendererSupport {
+    private static final class RendererSupportImpl implements RendererSupport {
         /**
          * Renderer map.
          */
-       private final RendererMap renderers = new RendererMap();
+        private final RendererMap renderers = new RendererMap();
 
         /**
          * Create new instance.
          */
-       public RendererSupportImpl() {
-           super();
-       }
+        public RendererSupportImpl() {
+            super();
+        }
 
-        /** {@inheritDoc} */
-       public RendererMap getRendererMap() {
-           return renderers;
-       }
+        /**
+         * {@inheritDoc}
+         */
+        public RendererMap getRendererMap() {
+            return renderers;
+        }
 
-        /** {@inheritDoc} */
-       public void setRenderer(final Class renderedClass,
-                               final ObjectRenderer renderer) {
-           renderers.put(renderedClass, renderer);
-       }
-   }
+        /**
+         * {@inheritDoc}
+         */
+        public void setRenderer(final Class renderedClass,
+                                final ObjectRenderer renderer) {
+            renderers.put(renderedClass, renderer);
+        }
+    }
 
     /**
      * Proxy that implements HierarchyEventListener
      * and delegates to LoggerEventListener.
      */
-   private static final class HierarchyEventListenerProxy
+    private static final class HierarchyEventListenerProxy
         implements HierarchyEventListener {
         /**
          * Wrapper listener.
          */
-       private LoggerEventListener listener;
+        private LoggerEventListener listener;
 
         /**
          * Creates new instance.
+         *
          * @param l listener
          */
-       public HierarchyEventListenerProxy(final LoggerEventListener l) {
-           super();
-           if (l == null) {
-               throw new NullPointerException("l");
-           }
-           listener = l;
-       }
-
-        /** {@inheritDoc} */
-       public void addAppenderEvent(final Category cat,
-                                    final Appender appender) {
-           if (isEnabled() && cat instanceof Logger) {
+        public HierarchyEventListenerProxy(final LoggerEventListener l) {
+            super();
+            if (l == null) {
+                throw new NullPointerException("l");
+            }
+            listener = l;
+        }
+
+        /**
+         * {@inheritDoc}
+         */
+        public void addAppenderEvent(final Category cat,
+                                     final Appender appender) {
+            if (isEnabled() && cat instanceof Logger) {
                 listener.appenderAddedEvent((Logger) cat, appender);
-           }
-       }
+            }
+        }
 
-        /** {@inheritDoc} */
-       public void removeAppenderEvent(final Category cat,
-                                    final Appender appender) {
-           if (isEnabled() && cat instanceof Logger) {
+        /**
+         * {@inheritDoc}
+         */
+        public void removeAppenderEvent(final Category cat,
+                                        final Appender appender) {
+            if (isEnabled() && cat instanceof Logger) {
                 listener.appenderRemovedEvent((Logger) cat, appender);
-           }
-       }
+            }
+        }
 
         /**
          * Disable forwarding of notifications to
          * simulate removal of listener.
          */
-       public synchronized void disable() {
-           listener = null;
-       }
+        public synchronized void disable() {
+            listener = null;
+        }
 
         /**
          * Gets whether proxy is enabled.
+         *
          * @return true if proxy is enabled.
          */
-       private synchronized boolean isEnabled() {
-           return listener != null;
-       }
-   }
+        private synchronized boolean isEnabled() {
+            return listener != null;
+        }
+    }
 
 }

http://git-wip-us.apache.org/repos/asf/logging-chainsaw/blob/96ebd9ad/src/main/java/org/apache/log4j/ULogger.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/log4j/ULogger.java 
b/src/main/java/org/apache/log4j/ULogger.java
index 83a6bb8..de4c813 100644
--- a/src/main/java/org/apache/log4j/ULogger.java
+++ b/src/main/java/org/apache/log4j/ULogger.java
@@ -20,183 +20,207 @@ package org.apache.log4j;
 
 /**
  * A proxy for org.slf4j.ULogger.  In slf4j implementing builds, this
- *     interface will extend org.slf4j.ULogger and add no additional methods.
+ * interface will extend org.slf4j.ULogger and add no additional methods.
  *
  * @author Ceki G&uuml;lc&uuml;
  * @author Curt Arnold
  */
- public interface ULogger {
-
-
-  /**
-   * Is the logger instance enabled for the DEBUG level?
-   * @return true if debug is enabled.
-   */
-  boolean isDebugEnabled();
-
-  /**
-   * Log a message object with the DEBUG level.
-   * @param msg - the message object to be logged
-   */
-  void debug(Object msg);
-
-
-  /**
-   * Log a parameterized message object at the DEBUG level.
-   *
-   * <p>This form is useful in avoiding the superflous object creation
-   * problem when invoking this method while it is disabled.
-   * </p>
-   * @param parameterizedMsg - the parameterized message object
-   * @param param1 - the parameter
-   */
-  void debug(Object parameterizedMsg, Object param1);
-
-  /**
-   * Log a parameterized message object at the DEBUG level.
-   *
-   * <p>This form is useful in avoiding the superflous object creation
-   * problem when invoking this method while it is disabled.
-   * </p>
-   * @param parameterizedMsg - the parameterized message object
-   * @param param1 - the first parameter
-   * @param param2 - the second parameter
-   */
-  void debug(String parameterizedMsg, Object param1, Object param2);
+public interface ULogger {
+
+
+    /**
+     * Is the logger instance enabled for the DEBUG level?
+     *
+     * @return true if debug is enabled.
+     */
+    boolean isDebugEnabled();
+
+    /**
+     * Log a message object with the DEBUG level.
+     *
+     * @param msg - the message object to be logged
+     */
+    void debug(Object msg);
+
+
+    /**
+     * Log a parameterized message object at the DEBUG level.
+     * <p>
+     * <p>This form is useful in avoiding the superflous object creation
+     * problem when invoking this method while it is disabled.
+     * </p>
+     *
+     * @param parameterizedMsg - the parameterized message object
+     * @param param1           - the parameter
+     */
+    void debug(Object parameterizedMsg, Object param1);
+
+    /**
+     * Log a parameterized message object at the DEBUG level.
+     * <p>
+     * <p>This form is useful in avoiding the superflous object creation
+     * problem when invoking this method while it is disabled.
+     * </p>
+     *
+     * @param parameterizedMsg - the parameterized message object
+     * @param param1           - the first parameter
+     * @param param2           - the second parameter
+     */
+    void debug(String parameterizedMsg, Object param1, Object param2);
+
     /**
      * Log a message object with the <code>DEBUG</code> level including the
      * stack trace of the {@link Throwable}<code>t</code> passed as parameter.
      *
-     *
      * @param msg the message object to log.
-     * @param t the exception to log, including its stack trace.
+     * @param t   the exception to log, including its stack trace.
      */
-  void debug(Object msg, Throwable t);
+    void debug(Object msg, Throwable t);
 
 
     /**
      * Is the logger instance enabled for the INFO level?
+     *
      * @return true if debug is enabled.
      */
-  boolean isInfoEnabled();
+    boolean isInfoEnabled();
+
     /**
      * Log a message object with the INFO level.
+     *
      * @param msg - the message object to be logged
      */
-  void info(Object msg);
+    void info(Object msg);
+
     /**
      * Log a parameterized message object at the INFO level.
-     *
+     * <p>
      * <p>This form is useful in avoiding the superflous object creation
      * problem when invoking this method while it is disabled.
      * </p>
+     *
      * @param parameterizedMsg - the parameterized message object
-     * @param param1 - the parameter
+     * @param param1           - the parameter
      */
-  void info(Object parameterizedMsg, Object param1);
+    void info(Object parameterizedMsg, Object param1);
+
     /**
      * Log a parameterized message object at the INFO level.
-     *
+     * <p>
      * <p>This form is useful in avoiding the superflous object creation
      * problem when invoking this method while it is disabled.
      * </p>
+     *
      * @param parameterizedMsg - the parameterized message object
-     * @param param1 - the first parameter
-     * @param param2 - the second parameter
+     * @param param1           - the first parameter
+     * @param param2           - the second parameter
      */
-  void info(String parameterizedMsg, Object param1, Object param2);
+    void info(String parameterizedMsg, Object param1, Object param2);
+
     /**
      * Log a message object with the <code>INFO</code> level including the
      * stack trace of the {@link Throwable}<code>t</code> passed as parameter.
      *
-     *
      * @param msg the message object to log.
-     * @param t the exception to log, including its stack trace.
+     * @param t   the exception to log, including its stack trace.
      */
-  void info(Object msg, Throwable t);
+    void info(Object msg, Throwable t);
 
 
     /**
      * Is the logger instance enabled for the WARN level?
+     *
      * @return true if debug is enabled.
      */
-  boolean isWarnEnabled();
+    boolean isWarnEnabled();
+
     /**
      * Log a message object with the WARN level.
+     *
      * @param msg - the message object to be logged
      */
-  void warn(Object msg);
+    void warn(Object msg);
+
     /**
      * Log a parameterized message object at the WARN level.
-     *
+     * <p>
      * <p>This form is useful in avoiding the superflous object creation
      * problem when invoking this method while it is disabled.
      * </p>
+     *
      * @param parameterizedMsg - the parameterized message object
-     * @param param1 - the parameter
+     * @param param1           - the parameter
      */
-  void warn(Object parameterizedMsg, Object param1);
+    void warn(Object parameterizedMsg, Object param1);
+
     /**
      * Log a parameterized message object at the WARN level.
-     *
+     * <p>
      * <p>This form is useful in avoiding the superflous object creation
      * problem when invoking this method while it is disabled.
      * </p>
+     *
      * @param parameterizedMsg - the parameterized message object
-     * @param param1 - the first parameter
-     * @param param2 - the second parameter
+     * @param param1           - the first parameter
+     * @param param2           - the second parameter
      */
-  void warn(String parameterizedMsg, Object param1, Object param2);
+    void warn(String parameterizedMsg, Object param1, Object param2);
+
     /**
      * Log a message object with the <code>WARN</code> level including the
      * stack trace of the {@link Throwable}<code>t</code> passed as parameter.
      *
-     *
      * @param msg the message object to log.
-     * @param t the exception to log, including its stack trace.
+     * @param t   the exception to log, including its stack trace.
      */
-  void warn(Object msg, Throwable t);
+    void warn(Object msg, Throwable t);
 
 
     /**
      * Is the logger instance enabled for the ERROR level?
+     *
      * @return true if debug is enabled.
      */
-  boolean isErrorEnabled();
+    boolean isErrorEnabled();
+
     /**
      * Log a message object with the ERROR level.
+     *
      * @param msg - the message object to be logged
      */
-  void error(Object msg);
+    void error(Object msg);
+
     /**
      * Log a parameterized message object at the ERROR level.
-     *
+     * <p>
      * <p>This form is useful in avoiding the superflous object creation
      * problem when invoking this method while it is disabled.
      * </p>
+     *
      * @param parameterizedMsg - the parameterized message object
-     * @param param1 - the parameter
+     * @param param1           - the parameter
      */
-  void error(Object parameterizedMsg, Object param1);
+    void error(Object parameterizedMsg, Object param1);
+
     /**
      * Log a parameterized message object at the ERROR level.
-     *
+     * <p>
      * <p>This form is useful in avoiding the superflous object creation
      * problem when invoking this method while it is disabled.
      * </p>
+     *
      * @param parameterizedMsg - the parameterized message object
-     * @param param1 - the first parameter
-     * @param param2 - the second parameter
+     * @param param1           - the first parameter
+     * @param param2           - the second parameter
      */
-  void error(String parameterizedMsg, Object param1, Object param2);
+    void error(String parameterizedMsg, Object param1, Object param2);
 
     /**
      * Log a message object with the <code>ERROR</code> level including the
      * stack trace of the {@link Throwable}<code>t</code> passed as parameter.
      *
-     *
      * @param msg the message object to log.
-     * @param t the exception to log, including its stack trace.
+     * @param t   the exception to log, including its stack trace.
      */
     void error(Object msg, Throwable t);
 

http://git-wip-us.apache.org/repos/asf/logging-chainsaw/blob/96ebd9ad/src/main/java/org/apache/log4j/chainsaw/AbstractPreferencePanel.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/log4j/chainsaw/AbstractPreferencePanel.java 
b/src/main/java/org/apache/log4j/chainsaw/AbstractPreferencePanel.java
index 810f319..63bb0b9 100644
--- a/src/main/java/org/apache/log4j/chainsaw/AbstractPreferencePanel.java
+++ b/src/main/java/org/apache/log4j/chainsaw/AbstractPreferencePanel.java
@@ -5,49 +5,33 @@
  * The ASF licenses this file to You under the Apache License, Version 2.0
  * (the "License"); you may not use this file except in compliance with
  * the License.  You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- 
+
 package org.apache.log4j.chainsaw;
 
-import java.awt.BorderLayout;
-import java.awt.Color;
-import java.awt.Component;
-import java.awt.Dimension;
+import org.apache.log4j.chainsaw.helper.SwingHelper;
+import org.apache.log4j.chainsaw.icons.ChainsawIcons;
+
+import javax.swing.*;
+import javax.swing.tree.*;
+import java.awt.*;
 import java.awt.event.ActionListener;
 import java.util.Enumeration;
 import java.util.List;
 
-import javax.swing.BorderFactory;
-import javax.swing.Box;
-import javax.swing.JButton;
-import javax.swing.JComponent;
-import javax.swing.JLabel;
-import javax.swing.JPanel;
-import javax.swing.JScrollPane;
-import javax.swing.JTree;
-import javax.swing.SwingUtilities;
-import javax.swing.tree.DefaultMutableTreeNode;
-import javax.swing.tree.DefaultTreeCellRenderer;
-import javax.swing.tree.DefaultTreeSelectionModel;
-import javax.swing.tree.TreeModel;
-import javax.swing.tree.TreePath;
-import javax.swing.tree.TreeSelectionModel;
-
-import org.apache.log4j.chainsaw.helper.SwingHelper;
-import org.apache.log4j.chainsaw.icons.ChainsawIcons;
 /**
  * Some basic plumbing for Preference related dialogs.
- * 
+ *
  * Sub classes have the following responsibilities:
- * 
+ *
  * <ul>
  * <li>Must call this this classes initComponents() method from
  * within the sub-classes constructor, this method laysout the
@@ -58,146 +42,140 @@ import org.apache.log4j.chainsaw.icons.ChainsawIcons;
  * as the selected editable Preference panel.  This JComponent's .toString() 
method is
  * used as the title of the preference panel
  * </ul>
- * 
- * @author Paul Smith &lt;psm...@apache.org&gt;
  *
+ * @author Paul Smith &lt;psm...@apache.org&gt;
  */
-public abstract class AbstractPreferencePanel extends JPanel
-{
-
-  private final JLabel titleLabel = new JLabel("Selected Pref Panel");
-  private final JPanel mainPanel = new JPanel(new BorderLayout(10, 10));
-  private final JPanel selectedPrefPanel = new JPanel(new BorderLayout(0, 3));
-  private final JButton okButton = new JButton(" OK ");
-  private final JButton cancelButton = new JButton(" Cancel ");
-  private ActionListener okCancelListener;
-  private Component currentlyDisplayedPanel = null;
-  private final JTree prefTree = new JTree();
-  /**
-   * Setup and layout for the components
-   */
-  protected void initComponents()
-  {
-    //         setBorder(BorderFactory.createLineBorder(Color.red));
-    setLayout(new BorderLayout(5, 5));
-    setBorder(BorderFactory.createEmptyBorder(15, 15, 15, 15));
-  
-    prefTree.setModel(createTreeModel());
-    
-    prefTree.setRootVisible(false);
-  
-    DefaultTreeCellRenderer renderer = new DefaultTreeCellRenderer();
-    renderer.setLeafIcon(ChainsawIcons.ICON_PREFERENCES);
-    prefTree.setCellRenderer(renderer);
-  
-    final JScrollPane treeScroll = new JScrollPane(prefTree);
-  
-    treeScroll.setPreferredSize(new Dimension(200, 240));
-  
-    titleLabel.setFont(titleLabel.getFont().deriveFont(16.0f));
-    titleLabel.setBorder(BorderFactory.createEtchedBorder());
-    titleLabel.setBackground(Color.white);
-    titleLabel.setOpaque(true);
-  
-    selectedPrefPanel.add(titleLabel, BorderLayout.NORTH);
-  
-    mainPanel.add(treeScroll, BorderLayout.WEST);
-    mainPanel.add(selectedPrefPanel, BorderLayout.CENTER);
-  
-    add(mainPanel, BorderLayout.CENTER);
-  
-    Box buttonBox = Box.createHorizontalBox();
-    List<JButton> buttons = SwingHelper.orderOKCancelButtons(okButton, 
cancelButton);
-    buttonBox.add(Box.createHorizontalGlue());
-    buttonBox.add(buttons.get(0));
-    buttonBox.add(Box.createHorizontalStrut(10));
-    buttonBox.add(buttons.get(1));
-  
-    add(buttonBox, BorderLayout.SOUTH);
-  
-    DefaultTreeSelectionModel treeSelectionModel =
-      new DefaultTreeSelectionModel();
-    treeSelectionModel.setSelectionMode(
-      TreeSelectionModel.SINGLE_TREE_SELECTION);
-    prefTree.setSelectionModel(treeSelectionModel);
-    prefTree.addTreeSelectionListener(
+public abstract class AbstractPreferencePanel extends JPanel {
+
+    private final JLabel titleLabel = new JLabel("Selected Pref Panel");
+    private final JPanel mainPanel = new JPanel(new BorderLayout(10, 10));
+    private final JPanel selectedPrefPanel = new JPanel(new BorderLayout(0, 
3));
+    private final JButton okButton = new JButton(" OK ");
+    private final JButton cancelButton = new JButton(" Cancel ");
+    private ActionListener okCancelListener;
+    private Component currentlyDisplayedPanel = null;
+    private final JTree prefTree = new JTree();
+
+    /**
+     * Setup and layout for the components
+     */
+    protected void initComponents() {
+        //             setBorder(BorderFactory.createLineBorder(Color.red));
+        setLayout(new BorderLayout(5, 5));
+        setBorder(BorderFactory.createEmptyBorder(15, 15, 15, 15));
+
+        prefTree.setModel(createTreeModel());
+
+        prefTree.setRootVisible(false);
+
+        DefaultTreeCellRenderer renderer = new DefaultTreeCellRenderer();
+        renderer.setLeafIcon(ChainsawIcons.ICON_PREFERENCES);
+        prefTree.setCellRenderer(renderer);
+
+        final JScrollPane treeScroll = new JScrollPane(prefTree);
+
+        treeScroll.setPreferredSize(new Dimension(200, 240));
+
+        titleLabel.setFont(titleLabel.getFont().deriveFont(16.0f));
+        titleLabel.setBorder(BorderFactory.createEtchedBorder());
+        titleLabel.setBackground(Color.white);
+        titleLabel.setOpaque(true);
+
+        selectedPrefPanel.add(titleLabel, BorderLayout.NORTH);
+
+        mainPanel.add(treeScroll, BorderLayout.WEST);
+        mainPanel.add(selectedPrefPanel, BorderLayout.CENTER);
+
+        add(mainPanel, BorderLayout.CENTER);
+
+        Box buttonBox = Box.createHorizontalBox();
+        List<JButton> buttons = SwingHelper.orderOKCancelButtons(okButton, 
cancelButton);
+        buttonBox.add(Box.createHorizontalGlue());
+        buttonBox.add(buttons.get(0));
+        buttonBox.add(Box.createHorizontalStrut(10));
+        buttonBox.add(buttons.get(1));
+
+        add(buttonBox, BorderLayout.SOUTH);
+
+        DefaultTreeSelectionModel treeSelectionModel =
+            new DefaultTreeSelectionModel();
+        treeSelectionModel.setSelectionMode(
+            TreeSelectionModel.SINGLE_TREE_SELECTION);
+        prefTree.setSelectionModel(treeSelectionModel);
+        prefTree.addTreeSelectionListener(
             e -> {
-              TreePath path = e.getNewLeadSelectionPath();
-              DefaultMutableTreeNode node =
-                (DefaultMutableTreeNode) path.getLastPathComponent();
-              setDisplayedPrefPanel((JComponent) node.getUserObject());
+                TreePath path = e.getNewLeadSelectionPath();
+                DefaultMutableTreeNode node =
+                    (DefaultMutableTreeNode) path.getLastPathComponent();
+                setDisplayedPrefPanel((JComponent) node.getUserObject());
             });
-  
-    // ensure the first pref panel is selected and displayed
-    DefaultMutableTreeNode root =
-      (DefaultMutableTreeNode) prefTree.getModel().getRoot();
-    DefaultMutableTreeNode firstNode =
-      (DefaultMutableTreeNode) root.getFirstChild();
-    prefTree.setSelectionPath(new TreePath(firstNode.getPath()));
-  }
-
-  /**
-   * @return tree model
-   */
-  protected abstract TreeModel createTreeModel();
-
-  /**
-   * Ensures a specific panel is displayed in the spot where
-   * preferences can be selected.
-   *
-  * @param panel
-  */
-  protected void setDisplayedPrefPanel(JComponent panel)
-  {
-    if (currentlyDisplayedPanel != null) {
-      selectedPrefPanel.remove(currentlyDisplayedPanel);
+
+        // ensure the first pref panel is selected and displayed
+        DefaultMutableTreeNode root =
+            (DefaultMutableTreeNode) prefTree.getModel().getRoot();
+        DefaultMutableTreeNode firstNode =
+            (DefaultMutableTreeNode) root.getFirstChild();
+        prefTree.setSelectionPath(new TreePath(firstNode.getPath()));
+    }
+
+    /**
+     * @return tree model
+     */
+    protected abstract TreeModel createTreeModel();
+
+    /**
+     * Ensures a specific panel is displayed in the spot where
+     * preferences can be selected.
+     *
+     * @param panel
+     */
+    protected void setDisplayedPrefPanel(JComponent panel) {
+        if (currentlyDisplayedPanel != null) {
+            selectedPrefPanel.remove(currentlyDisplayedPanel);
+        }
+
+        selectedPrefPanel.add(panel, BorderLayout.CENTER);
+        currentlyDisplayedPanel = panel;
+        String title = panel.toString();
+        titleLabel.setText(title);
+        selectedPrefPanel.revalidate();
+        selectedPrefPanel.repaint();
+    }
+
+    public void notifyOfLookAndFeelChange() {
+        SwingUtilities.updateComponentTreeUI(this);
+
+        Enumeration enumeration = ((DefaultMutableTreeNode) 
prefTree.getModel().getRoot()).breadthFirstEnumeration();
+        while (enumeration.hasMoreElements()) {
+            DefaultMutableTreeNode node = (DefaultMutableTreeNode) 
enumeration.nextElement();
+            if (node.getUserObject() instanceof Component) {
+                Component c = (Component) node.getUserObject();
+                SwingUtilities.updateComponentTreeUI(c);
+            }
+        }
+    }
+
+    public void setOkCancelActionListener(ActionListener l) {
+        this.okCancelListener = l;
     }
-  
-    selectedPrefPanel.add(panel, BorderLayout.CENTER);
-    currentlyDisplayedPanel = panel;
-    String title = panel.toString();
-    titleLabel.setText(title);
-    selectedPrefPanel.revalidate();
-    selectedPrefPanel.repaint();
-  }
-
-  public void notifyOfLookAndFeelChange() {
-    SwingUtilities.updateComponentTreeUI(this);
-    
-    Enumeration enumeration = 
((DefaultMutableTreeNode)prefTree.getModel().getRoot()).breadthFirstEnumeration();
-    while (enumeration.hasMoreElements()) {
-      DefaultMutableTreeNode node = (DefaultMutableTreeNode) 
enumeration.nextElement();
-      if (node.getUserObject() instanceof Component) {
-        Component c = (Component) node.getUserObject();
-        SwingUtilities.updateComponentTreeUI(c);
-      }
+
+    public void hidePanel() {
+        if (okCancelListener != null) {
+            okCancelListener.actionPerformed(null);
+        }
     }
-  }
-                                          
-  public void setOkCancelActionListener(ActionListener l)
-  {
-    this.okCancelListener = l;
-  }
-
-  public void hidePanel()
-  {
-    if (okCancelListener != null) {
-      okCancelListener.actionPerformed(null);
+
+    /**
+     * @return Returns the cancelButton.
+     */
+    protected final JButton getCancelButton() {
+        return cancelButton;
+    }
+
+    /**
+     * @return Returns the okButton.
+     */
+    protected final JButton getOkButton() {
+        return okButton;
     }
-  }
-
-  /**
-   * @return Returns the cancelButton.
-   */
-  protected final JButton getCancelButton()
-  {
-    return cancelButton;
-  }
-  /**
-   * @return Returns the okButton.
-   */
-  protected final JButton getOkButton()
-  {
-    return okButton;
-  }
 }

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