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Posted to commits@logging.apache.org by rg...@apache.org on 2011/12/30 00:55:08 UTC

svn commit: r1225697 - in /logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core: layout/ lookup/ pattern/

Author: rgoers
Date: Thu Dec 29 23:55:08 2011
New Revision: 1225697

URL: http://svn.apache.org/viewvc?rev=1225697&view=rev
Log:
More checkstyle/javadoc fixes

Modified:
    logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/HTMLLayout.java
    logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/LayoutBase.java
    logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/PatternLayout.java
    logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/RFC5424Layout.java
    logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/SerializedLayout.java
    logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/SyslogLayout.java
    logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/XMLLayout.java
    logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/ContextMapLookup.java
    logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/Interpolator.java
    logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/MapLookup.java
    logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StrLookup.java
    logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StrMatcher.java
    logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StrSubstitutor.java
    logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StructuredDataLookup.java
    logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/SystemPropertiesLookup.java
    logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/pattern/RegexReplacement.java

Modified: logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/HTMLLayout.java
URL: http://svn.apache.org/viewvc/logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/HTMLLayout.java?rev=1225697&r1=1225696&r2=1225697&view=diff
==============================================================================
--- logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/HTMLLayout.java (original)
+++ logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/HTMLLayout.java Thu Dec 29 23:55:08 2011
@@ -254,7 +254,7 @@ public final class HTMLLayout extends Ab
             if (Charset.isSupported(charset)) {
                 c = Charset.forName(charset);
             } else {
-                logger.error("Charset " + charset + " is not supported for layout, using " + c.displayName());
+                LOGGER.error("Charset " + charset + " is not supported for layout, using " + c.displayName());
             }
         }
         boolean info = locationInfo == null ? false : Boolean.valueOf(locationInfo);

Modified: logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/LayoutBase.java
URL: http://svn.apache.org/viewvc/logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/LayoutBase.java?rev=1225697&r1=1225696&r2=1225697&view=diff
==============================================================================
--- logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/LayoutBase.java (original)
+++ logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/LayoutBase.java Thu Dec 29 23:55:08 2011
@@ -24,14 +24,22 @@ import java.io.Serializable;
 
 /**
  * Base class for Layouts.
+ * @param <T> The Class that the Layout will format the LogEvent into.
  */
 public abstract class LayoutBase<T extends Serializable> implements Layout<T> {
-
+    /**
+     * Allow subclasses access to the status logger without creating another instance.
+     */
+    protected static final Logger LOGGER = StatusLogger.getLogger();
+    /**
+     * The header to include when the stream is opened. May be null.
+     */
     protected byte[] header;
+    /**
+     * The footer to add when the stream is closed. May be null.
+     */
     protected byte[] footer;
 
-    protected static final Logger logger = StatusLogger.getLogger();
-
     /**
      * Return the header, if one is available.
      * @return A byte array containing the header.

Modified: logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/PatternLayout.java
URL: http://svn.apache.org/viewvc/logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/PatternLayout.java?rev=1225697&r1=1225696&r2=1225697&view=diff
==============================================================================
--- logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/PatternLayout.java (original)
+++ logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/PatternLayout.java Thu Dec 29 23:55:08 2011
@@ -1,20 +1,19 @@
 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
+ * contributor license agreements. See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
+ * 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
+ * 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.
+ * See the license for the specific language governing permissions and
+ * limitations under the license.
  */
-
 package org.apache.logging.log4j.core.layout;
 
 import org.apache.logging.log4j.core.LogEvent;
@@ -47,7 +46,7 @@ import java.util.List;
  * See the Log4j Manual for details on the supported pattern converters.
  */
 @Plugin(name = "PatternLayout", type = "Core", elementType = "layout", printObject = true)
-public class PatternLayout extends AbstractStringLayout {
+public final class PatternLayout extends AbstractStringLayout {
     /**
      * Default pattern string for log output. Currently set to the
      * string <b>"%m%n"</b> which just prints the application supplied
@@ -69,13 +68,13 @@ public class PatternLayout extends Abstr
     public static final String SIMPLE_CONVERSION_PATTERN =
         "%d [%t] %p %c - %m%n";
 
+    private static final String KEY = "Converter";
+
     /**
      * Initial converter for pattern.
      */
     private List<PatternConverter> converters;
 
-    public static final String KEY = "Converter";
-
     /**
      * Conversion pattern.
      */
@@ -134,6 +133,7 @@ public class PatternLayout extends Abstr
      * Formats a logging event to a writer.
      *
      * @param event logging event to be formatted.
+     * @return The event formatted as a String.
      */
     public String formatAs(final LogEvent event) {
         StringBuilder buf = new StringBuilder();
@@ -147,6 +147,11 @@ public class PatternLayout extends Abstr
         return config == null ? str : config.getSubst().replace(event, str);
     }
 
+    /**
+     * Create a PatternParser.
+     * @param config The Configuration.
+     * @return The PatternParser.
+     */
     public static PatternParser createPatternParser(Configuration config) {
         if (config == null) {
             return new PatternParser(config, KEY, LogEventPatternConverter.class);
@@ -171,7 +176,7 @@ public class PatternLayout extends Abstr
      * @param config The Configuration. Some Converters require access to the Interpolator.
      * @param replace A Regex replacement String.
      * @param charset The character set.
-     * @return
+     * @return The PatternLayout.
      */
     @PluginFactory
     public static PatternLayout createLayout(@PluginAttr("pattern") String pattern,
@@ -183,7 +188,7 @@ public class PatternLayout extends Abstr
             if (Charset.isSupported(charset)) {
                 c = Charset.forName(charset);
             } else {
-                logger.error("Charset " + charset + " is not supported for layout, using " + c.displayName());
+                LOGGER.error("Charset " + charset + " is not supported for layout, using " + c.displayName());
             }
         }
         return new PatternLayout(config, replace, pattern == null ? DEFAULT_CONVERSION_PATTERN : pattern, c);

Modified: logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/RFC5424Layout.java
URL: http://svn.apache.org/viewvc/logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/RFC5424Layout.java?rev=1225697&r1=1225696&r2=1225697&view=diff
==============================================================================
--- logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/RFC5424Layout.java (original)
+++ logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/RFC5424Layout.java Thu Dec 29 23:55:08 2011
@@ -47,6 +47,21 @@ import java.util.TreeMap;
 @Plugin(name = "RFC5424Layout", type = "Core", elementType = "layout", printObject = true)
 public final class RFC5424Layout extends AbstractStringLayout {
 
+    /**
+     * Not a very good default - it is the Apache Software Foundation's enterprise number.
+     */
+    public static final int DEFAULT_ENTERPRISE_NUMBER = 18060;
+    /**
+     * The default event id.
+     */
+    public static final String DEFAULT_ID = "Audit";
+
+    private static final String DEFAULT_MDCID = "mdc";
+    private static final int TWO_DIGITS = 10;
+    private static final int THREE_DIGITS = 100;
+    private static final int MILLIS_PER_MINUTE = 60000;
+    private static final int MINUTES_PER_HOUR = 60;
+
     private final Facility facility;
     private final String defaultId;
     private final Integer enterpriseNumber;
@@ -63,14 +78,9 @@ public final class RFC5424Layout extends
     private final ListChecker noopChecker = new NoopChecker();
     private final boolean includeNewLine;
 
-    private static final String DEFAULT_MDCID = "mdc";
-
     private long lastTimestamp = -1;
     private String timestamppStr = null;
 
-    // Not a very good default - it is the Apache Software Foundation's.
-    public static final int DEFAULT_ENTERPRISE_NUMBER = 18060;
-    public static final String DEFAULT_ID = "Audit";
 
     private RFC5424Layout(Configuration config, Facility facility, String id, int ein, boolean includeMDC,
                           boolean includeNL, String mdcId, String appName, String messageId, String excludes,
@@ -129,12 +139,14 @@ public final class RFC5424Layout extends
             mdcRequired = null;
         }
         this.checker = c != null ? c : noopChecker;
-        String name = config == null ? null :config.getName();
+        String name = config == null ? null : config.getName();
         configName = (name != null && name.length() > 0) ? name : null;
     }
 
     /**
      * Formats a {@link org.apache.logging.log4j.core.LogEvent} in conformance with the RFC 5424 Syslog specification.
+     * @param event The LogEvent.
+     * @return The RFC 5424 String representation of the LogEvent.
      */
     public String formatAs(final LogEvent event) {
         Message msg = event.getMessage();
@@ -179,8 +191,7 @@ public final class RFC5424Layout extends
             } else {
                 text = msg.getFormattedMessage();
             }
-            if (includeMDC)
-            {
+            if (includeMDC) {
                 if (mdcRequired != null) {
                     checkRequired(event.getContextMap());
                 }
@@ -217,7 +228,7 @@ public final class RFC5424Layout extends
             InetAddress addr = InetAddress.getLocalHost();
             return addr.getHostName();
         } catch (UnknownHostException uhe) {
-            logger.error("Could not determine local host name", uhe);
+            LOGGER.error("Could not determine local host name", uhe);
             return "UNKNOWN_LOCALHOST";
         }
     }
@@ -244,23 +255,23 @@ public final class RFC5424Layout extends
         cal.setTimeInMillis(now);
         buf.append(Integer.toString(cal.get(Calendar.YEAR)));
         buf.append("-");
-        pad(cal.get(Calendar.MONTH) + 1, 10, buf);
+        pad(cal.get(Calendar.MONTH) + 1, TWO_DIGITS, buf);
         buf.append("-");
-        pad(cal.get(Calendar.DAY_OF_MONTH), 10, buf);
+        pad(cal.get(Calendar.DAY_OF_MONTH), TWO_DIGITS, buf);
         buf.append("T");
-        pad(cal.get(Calendar.HOUR_OF_DAY), 10, buf);
+        pad(cal.get(Calendar.HOUR_OF_DAY), TWO_DIGITS, buf);
         buf.append(":");
-        pad(cal.get(Calendar.MINUTE), 10, buf);
+        pad(cal.get(Calendar.MINUTE), TWO_DIGITS, buf);
         buf.append(":");
-        pad(cal.get(Calendar.SECOND), 10, buf);
+        pad(cal.get(Calendar.SECOND), TWO_DIGITS, buf);
 
         int millis = cal.get(Calendar.MILLISECOND);
         if (millis != 0) {
             buf.append(".");
-            pad((int) ((float) millis / 10F), 100, buf);
+            pad((int) ((float) millis / 10F), THREE_DIGITS, buf);
         }
 
-        int tzmin = (cal.get(Calendar.ZONE_OFFSET) + cal.get(Calendar.DST_OFFSET)) / 60000;
+        int tzmin = (cal.get(Calendar.ZONE_OFFSET) + cal.get(Calendar.DST_OFFSET)) / MILLIS_PER_MINUTE;
         if (tzmin == 0) {
             buf.append("Z");
         } else {
@@ -270,11 +281,11 @@ public final class RFC5424Layout extends
             } else {
                 buf.append("+");
             }
-            int tzhour = tzmin / 60;
-            tzmin -= tzhour * 60;
-            pad(tzhour, 10, buf);
+            int tzhour = tzmin / MINUTES_PER_HOUR;
+            tzmin -= tzhour * MINUTES_PER_HOUR;
+            pad(tzhour, TWO_DIGITS, buf);
             buf.append(":");
-            pad(tzmin, 10, buf);
+            pad(tzmin, TWO_DIGITS, buf);
         }
         synchronized (this) {
             if (last == lastTimestamp) {
@@ -290,16 +301,14 @@ public final class RFC5424Layout extends
             if (val < max) {
                 buf.append("0");
             }
-            max = max / 10;
+            max = max / TWO_DIGITS;
         }
         buf.append(Integer.toString(val));
     }
 
     private void formatStructuredElement(StructuredDataId id, Map<String, String> data, StringBuilder sb,
-                                         ListChecker checker)
-    {
-        if (id == null && defaultId == null)
-        {
+                                         ListChecker checker) {
+        if (id == null && defaultId == null) {
             return;
         }
         sb.append("[");
@@ -319,7 +328,7 @@ public final class RFC5424Layout extends
         if (ein < 0) {
             ein = enterpriseNumber;
         }
-        if (ein >=0) {
+        if (ein >= 0) {
             sb.append("@").append(ein);
         }
         return sb.toString();
@@ -337,8 +346,7 @@ public final class RFC5424Layout extends
     private void appendMap(Map<String, String> map, StringBuilder sb, ListChecker checker)
     {
         SortedMap<String, String> sorted = new TreeMap<String, String>(map);
-        for (Map.Entry<String, String> entry : sorted.entrySet())
-        {
+        for (Map.Entry<String, String> entry : sorted.entrySet()) {
             if (checker.check(entry.getKey())) {
                 sb.append(" ");
                 sb.append(entry.getKey()).append("=\"").append(entry.getValue()).append("\"");
@@ -346,22 +354,34 @@ public final class RFC5424Layout extends
         }
     }
 
+    /**
+     * Interface used to check keys in a Map.
+     */
     private interface ListChecker {
         boolean check(String key);
     }
 
+    /**
+     * Includes only the listed keys.
+     */
     private class IncludeChecker implements ListChecker {
         public boolean check(String key) {
             return mdcIncludes.contains(key);
         }
     }
 
+    /**
+     * Excludes the listed keys.
+     */
     private class ExcludeChecker implements ListChecker {
         public boolean check(String key) {
             return !mdcExcludes.contains(key);
         }
     }
 
+    /**
+     * Does nothing.
+     */
     private class NoopChecker implements ListChecker {
         public boolean check(String key) {
             return true;
@@ -418,11 +438,11 @@ public final class RFC5424Layout extends
             if (Charset.isSupported(charset)) {
                 c = Charset.forName(charset);
             } else {
-                logger.error("Charset " + charset + " is not supported for layout, using " + c.displayName());
+                LOGGER.error("Charset " + charset + " is not supported for layout, using " + c.displayName());
             }
         }
         if (includes != null && excludes != null) {
-            logger.error("mdcIncludes and mdcExcludes are mutually exclusive. Includes wil be ignored");
+            LOGGER.error("mdcIncludes and mdcExcludes are mutually exclusive. Includes wil be ignored");
             includes = null;
         }
         Facility f = facility != null ? Facility.valueOf(facility.toUpperCase()) : Facility.LOCAL0;
@@ -433,7 +453,7 @@ public final class RFC5424Layout extends
             mdcId = DEFAULT_MDCID;
         }
 
-        return new RFC5424Layout(config, f, id, enterpriseNumber, isMdc, includeNewLine, mdcId, appName, msgId, excludes,
-                                 includes, required, c);
+        return new RFC5424Layout(config, f, id, enterpriseNumber, isMdc, includeNewLine, mdcId, appName, msgId,
+                                 excludes, includes, required, c);
     }
 }

Modified: logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/SerializedLayout.java
URL: http://svn.apache.org/viewvc/logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/SerializedLayout.java?rev=1225697&r1=1225696&r2=1225697&view=diff
==============================================================================
--- logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/SerializedLayout.java (original)
+++ logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/SerializedLayout.java Thu Dec 29 23:55:08 2011
@@ -29,7 +29,7 @@ import java.io.OutputStream;
  * Format a LogEvent in its serialized form.
  */
 @Plugin(name = "SerializedLayout", type = "Core", elementType = "layout", printObject = true)
-public class SerializedLayout extends LayoutBase<LogEvent> {
+public final class SerializedLayout extends LayoutBase<LogEvent> {
 
     private static byte[] header;
 
@@ -40,7 +40,7 @@ public class SerializedLayout extends La
             oos.close();
             header = baos.toByteArray();
         } catch (Exception ex) {
-            logger.error("Unable to generate Object stream header", ex);
+            LOGGER.error("Unable to generate Object stream header", ex);
         }
     }
 
@@ -49,6 +49,8 @@ public class SerializedLayout extends La
 
     /**
      * Formats a {@link org.apache.logging.log4j.core.LogEvent} in conformance with the log4j.dtd.
+     * @param event The LogEvent.
+     * @return the formatted LogEvent.
      */
     public byte[] format(final LogEvent event) {
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
@@ -56,7 +58,7 @@ public class SerializedLayout extends La
             ObjectOutputStream oos = new PrivateObjectOutputStream(baos);
             oos.writeObject(event);
         } catch (IOException ioe) {
-            logger.error("Serialization of Logging Event failed.", ioe);
+            LOGGER.error("Serialization of Logging Event failed.", ioe);
         }
         return baos.toByteArray();
     }

Modified: logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/SyslogLayout.java
URL: http://svn.apache.org/viewvc/logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/SyslogLayout.java?rev=1225697&r1=1225696&r2=1225697&view=diff
==============================================================================
--- logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/SyslogLayout.java (original)
+++ logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/SyslogLayout.java Thu Dec 29 23:55:08 2011
@@ -58,6 +58,8 @@ public class SyslogLayout extends Abstra
 
     /**
      * Formats a {@link org.apache.logging.log4j.core.LogEvent} in conformance with the log4j.dtd.
+     * @param event The LogEvent
+     * @return the event formatted as a String.
      */
     public String formatAs(final LogEvent event) {
         StringBuilder buf = new StringBuilder();
@@ -88,7 +90,7 @@ public class SyslogLayout extends Abstra
             InetAddress addr = InetAddress.getLocalHost();
             return addr.getHostName();
         } catch (UnknownHostException uhe) {
-            logger.error("Could not determine local host name", uhe);
+            LOGGER.error("Could not determine local host name", uhe);
             return "UNKNOWN_LOCALHOST";
         }
     }
@@ -104,9 +106,9 @@ public class SyslogLayout extends Abstra
 
     /**
      * Create a SyslogLayout.
-     * @param facility
-     * @param includeNL
-     * @param charset
+     * @param facility The Facility is used to try to classify the message.
+     * @param includeNL If true a newline will be appended to the result.
+     * @param charset The character set.
      * @return A SyslogLayout.
      */
     @PluginFactory
@@ -119,7 +121,7 @@ public class SyslogLayout extends Abstra
             if (Charset.isSupported(charset)) {
                 c = Charset.forName(charset);
             } else {
-                logger.error("Charset " + charset + " is not supported for layout, using " + c.displayName());
+                LOGGER.error("Charset " + charset + " is not supported for layout, using " + c.displayName());
             }
         }
         boolean includeNewLine = includeNL == null ? false : Boolean.valueOf(includeNL);

Modified: logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/XMLLayout.java
URL: http://svn.apache.org/viewvc/logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/XMLLayout.java?rev=1225697&r1=1225696&r2=1225697&view=diff
==============================================================================
--- logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/XMLLayout.java (original)
+++ logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/layout/XMLLayout.java Thu Dec 29 23:55:08 2011
@@ -71,12 +71,12 @@ import org.apache.logging.log4j.core.Log
 @Plugin(name = "XMLLayout", type = "Core", elementType = "layout", printObject = true)
 public class XMLLayout extends AbstractStringLayout {
 
+    private static final int DEFAULT_SIZE = 256;
+
     private final boolean locationInfo;
     private final boolean properties;
     private final boolean complete;
 
-    protected static final int DEFAULT_SIZE = 256;
-
     protected XMLLayout(boolean locationInfo, boolean properties, boolean complete, Charset charset) {
         super(charset);
         this.locationInfo = locationInfo;
@@ -86,6 +86,8 @@ public class XMLLayout extends AbstractS
 
     /**
      * Formats a {@link org.apache.logging.log4j.core.LogEvent} in conformance with the log4j.dtd.
+     * @param event The LogEvent.
+     * @return The XML representation of the LogEvent.
      */
     public String formatAs(final LogEvent event) {
         StringBuilder buf = new StringBuilder(DEFAULT_SIZE);
@@ -161,6 +163,7 @@ public class XMLLayout extends AbstractS
 
     /**
      * Returns appropriate XML headers.
+     * @return a byte array containing the header.
      */
     @Override
     public byte[] getHeader() {
@@ -176,6 +179,7 @@ public class XMLLayout extends AbstractS
 
     /**
      * Returns appropriate XML headers.
+     * @return a byte array containing the footer.
      */
     @Override
     public byte[] getFooter() {
@@ -192,18 +196,19 @@ public class XMLLayout extends AbstractS
         PrintWriter pw = new PrintWriter(sw);
         try {
             throwable.printStackTrace(pw);
-        } catch(RuntimeException ex) {
+        } catch (RuntimeException ex) {
+            // Ignore any exceptions.
         }
         pw.flush();
         LineNumberReader reader = new LineNumberReader(new StringReader(sw.toString()));
         ArrayList<String> lines = new ArrayList<String>();
         try {
           String line = reader.readLine();
-          while(line != null) {
+          while (line != null) {
             lines.add(line);
             line = reader.readLine();
           }
-        } catch(IOException ex) {
+        } catch (IOException ex) {
             if (ex instanceof InterruptedIOException) {
                 Thread.currentThread().interrupt();
             }
@@ -230,7 +235,7 @@ public class XMLLayout extends AbstractS
             if (Charset.isSupported(charset)) {
                 c = Charset.forName(charset);
             } else {
-                logger.error("Charset " + charset + " is not supported for layout, using " + c.displayName());
+                LOGGER.error("Charset " + charset + " is not supported for layout, using " + c.displayName());
             }
         }
         boolean info = locationInfo == null ? false : Boolean.valueOf(locationInfo);

Modified: logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/ContextMapLookup.java
URL: http://svn.apache.org/viewvc/logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/ContextMapLookup.java?rev=1225697&r1=1225696&r2=1225697&view=diff
==============================================================================
--- logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/ContextMapLookup.java (original)
+++ logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/ContextMapLookup.java Thu Dec 29 23:55:08 2011
@@ -21,7 +21,7 @@ import org.apache.logging.log4j.core.Log
 import org.apache.logging.log4j.core.config.plugins.Plugin;
 
 /**
- * Looks up keys from system properties
+ * Looks up keys from system properties.
  */
 @Plugin(name = "ctx", type = "Lookup")
 public class ContextMapLookup implements StrLookup {

Modified: logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/Interpolator.java
URL: http://svn.apache.org/viewvc/logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/Interpolator.java?rev=1225697&r1=1225696&r2=1225697&view=diff
==============================================================================
--- logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/Interpolator.java (original)
+++ logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/Interpolator.java Thu Dec 29 23:55:08 2011
@@ -30,7 +30,7 @@ import java.util.Map;
  */
 public class Interpolator implements StrLookup {
 
-    protected final static Logger logger = StatusLogger.getLogger();
+    private static final Logger LOGGER = StatusLogger.getLogger();
 
     /** Constant for the prefix separator. */
     private static final char PREFIX_SEPARATOR = ':';
@@ -50,7 +50,7 @@ public class Interpolator implements Str
             try {
                 lookups.put(entry.getKey(), clazz.newInstance());
             } catch (Exception ex) {
-                logger.error("Unable to create Lookup for " + entry.getKey(), ex);
+                LOGGER.error("Unable to create Lookup for " + entry.getKey(), ex);
             }
         }
     }
@@ -67,8 +67,7 @@ public class Interpolator implements Str
      * @return the value of this variable or <b>null</b> if it cannot be
      * resolved
      */
-    public String lookup(String var)
-    {
+    public String lookup(String var) {
         return lookup(null, var);
     }
 
@@ -85,16 +84,13 @@ public class Interpolator implements Str
      * @return the value of this variable or <b>null</b> if it cannot be
      * resolved
      */
-    public String lookup(LogEvent event, String var)
-    {
-        if (var == null)
-        {
+    public String lookup(LogEvent event, String var) {
+        if (var == null) {
             return null;
         }
 
         int prefixPos = var.indexOf(PREFIX_SEPARATOR);
-        if (prefixPos >= 0)
-        {
+        if (prefixPos >= 0) {
             String prefix = var.substring(0, prefixPos);
             String name = var.substring(prefixPos + 1);
             StrLookup lookup = lookups.get(prefix);
@@ -103,8 +99,7 @@ public class Interpolator implements Str
                 value = event == null ? lookup.lookup(name) : lookup.lookup(event, name);
             }
 
-            if (value != null)
-            {
+            if (value != null) {
                 return value;
             }
             var = var.substring(prefixPos);

Modified: logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/MapLookup.java
URL: http://svn.apache.org/viewvc/logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/MapLookup.java?rev=1225697&r1=1225696&r2=1225697&view=diff
==============================================================================
--- logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/MapLookup.java (original)
+++ logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/MapLookup.java Thu Dec 29 23:55:08 2011
@@ -24,6 +24,7 @@ import java.util.Map;
 
 /**
  * The basis for a lookup based on a Map.
+ * @param <V> The type of object contained in the Map.
  */
 @Plugin(name = "map", type = "Lookup")
 public class MapLookup<V> implements StrLookup<V> {

Modified: logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StrLookup.java
URL: http://svn.apache.org/viewvc/logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StrLookup.java?rev=1225697&r1=1225696&r2=1225697&view=diff
==============================================================================
--- logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StrLookup.java (original)
+++ logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StrLookup.java Thu Dec 29 23:55:08 2011
@@ -33,6 +33,8 @@ import org.apache.logging.log4j.core.Log
  *
  * @author Apache Software Foundation
  * @version $Id$
+ *
+ * @param <V> The type of the value that is being queried.
  */
 public interface StrLookup<V> {
     /**
@@ -58,7 +60,7 @@ public interface StrLookup<V> {
      * @param key  the key to be looked up, may be null
      * @return the matching value, null if no match
      */
-    public String lookup(String key);
+    String lookup(String key);
 
     /**
      * Looks up a String key to a String value possibly using the current LogEvent.
@@ -84,5 +86,5 @@ public interface StrLookup<V> {
      * @param key  the key to be looked up, may be null
      * @return the matching value, null if no match
      */
-    public String lookup(LogEvent event, String key);
-}
\ No newline at end of file
+    String lookup(LogEvent event, String key);
+}

Modified: logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StrMatcher.java
URL: http://svn.apache.org/viewvc/logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StrMatcher.java?rev=1225697&r1=1225696&r2=1225697&view=diff
==============================================================================
--- logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StrMatcher.java (original)
+++ logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StrMatcher.java Thu Dec 29 23:55:08 2011
@@ -65,7 +65,11 @@ public abstract class StrMatcher {
      */
     private static final StrMatcher NONE_MATCHER = new NoMatcher();
 
-    // -----------------------------------------------------------------------
+    /**
+     * Constructor.
+     */
+    protected StrMatcher() {
+    }
 
     /**
      * Returns a matcher which matches the comma character.
@@ -204,14 +208,6 @@ public abstract class StrMatcher {
         return new StringMatcher(str);
     }
 
-    //-----------------------------------------------------------------------
-    /**
-     * Constructor.
-     */
-    protected StrMatcher() {
-        super();
-    }
-
     /**
      * Returns the number of matching characters, zero for no match.
      * <p>
@@ -276,7 +272,7 @@ public abstract class StrMatcher {
          *
          * @param chars  the characters to match, must not be null
          */
-        CharSetMatcher(char chars[]) {
+        CharSetMatcher(char[] chars) {
             super();
             this.chars = chars.clone();
             Arrays.sort(this.chars);

Modified: logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StrSubstitutor.java
URL: http://svn.apache.org/viewvc/logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StrSubstitutor.java?rev=1225697&r1=1225696&r2=1225697&view=diff
==============================================================================
--- logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StrSubstitutor.java (original)
+++ logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StrSubstitutor.java Thu Dec 29 23:55:08 2011
@@ -116,6 +116,8 @@ public class StrSubstitutor {
      */
     public static final StrMatcher DEFAULT_SUFFIX = StrMatcher.stringMatcher("}");
 
+    private static final int BUF_SIZE = 256;
+
     /**
      * Stores the escape character.
      */
@@ -139,70 +141,17 @@ public class StrSubstitutor {
 
     //-----------------------------------------------------------------------
     /**
-     * Replaces all the occurrences of variables in the given source object with
-     * their matching values from the map.
-     *
-     * @param source  the source text containing the variables to substitute, null returns null
-     * @param valueMap  the map with the values, may be null
-     * @return the result of the replace operation
-     */
-    public static <V> String replace(Object source, Map<String, V> valueMap) {
-        return new StrSubstitutor(valueMap).replace(source);
-    }
-
-    /**
-     * Replaces all the occurrences of variables in the given source object with
-     * their matching values from the map. This method allows to specifiy a
-     * custom variable prefix and suffix
-     *
-     * @param source  the source text containing the variables to substitute, null returns null
-     * @param valueMap  the map with the values, may be null
-     * @param prefix  the prefix of variables, not null
-     * @param suffix  the suffix of variables, not null
-     * @return the result of the replace operation
-     * @throws IllegalArgumentException if the prefix or suffix is null
-     */
-    public static <V> String replace(Object source, Map<String, V> valueMap, String prefix, String suffix) {
-        return new StrSubstitutor(valueMap, prefix, suffix).replace(source);
-    }
-
-    /**
-     * Replaces all the occurrences of variables in the given source object with their matching
-     * values from the properties.
-     *
-     * @param source the source text containing the variables to substitute, null returns null
-     * @param valueProperties the properties with values, may be null
-     * @return the result of the replace operation
-     */
-    public static String replace(Object source, Properties valueProperties)
-    {
-        if (valueProperties == null) {
-            return source.toString();
-        }
-        Map<String,String> valueMap = new HashMap<String,String>();
-        Enumeration<?> propNames = valueProperties.propertyNames();
-        while (propNames.hasMoreElements())
-        {
-            String propName = (String)propNames.nextElement();
-            String propValue = valueProperties.getProperty(propName);
-            valueMap.put(propName, propValue);
-        }
-        return StrSubstitutor.replace(source, valueMap);
-    }
-
-    //-----------------------------------------------------------------------
-    /**
      * Creates a new instance with defaults for variable prefix and suffix
      * and the escaping character.
      */
     public StrSubstitutor() {
-        this((StrLookup<?>) null, DEFAULT_PREFIX, DEFAULT_SUFFIX, DEFAULT_ESCAPE);
+        this(null, DEFAULT_PREFIX, DEFAULT_SUFFIX, DEFAULT_ESCAPE);
     }
-
     /**
      * Creates a new instance and initializes it. Uses defaults for variable
      * prefix and suffix and the escaping character.
      *
+     * @param <V> The type of object contained in the Map.
      * @param valueMap  the map with the variables' values, may be null
      */
     public <V> StrSubstitutor(Map<String, V> valueMap) {
@@ -212,6 +161,7 @@ public class StrSubstitutor {
     /**
      * Creates a new instance and initializes it. Uses a default escaping character.
      *
+     * @param <V> The type of object contained in the Map.
      * @param valueMap  the map with the variables' values, may be null
      * @param prefix  the prefix for variables, not null
      * @param suffix  the suffix for variables, not null
@@ -224,6 +174,7 @@ public class StrSubstitutor {
     /**
      * Creates a new instance and initializes it.
      *
+     * @param <V> The type of object contained in the Map.
      * @param valueMap  the map with the variables' values, may be null
      * @param prefix  the prefix for variables, not null
      * @param suffix  the suffix for variables, not null
@@ -268,13 +219,65 @@ public class StrSubstitutor {
      * @param escape  the escape character
      * @throws IllegalArgumentException if the prefix or suffix is null
      */
-    public StrSubstitutor(
-            StrLookup<?> variableResolver, StrMatcher prefixMatcher, StrMatcher suffixMatcher, char escape) {
+    public StrSubstitutor(StrLookup<?> variableResolver, StrMatcher prefixMatcher, StrMatcher suffixMatcher,
+                          char escape) {
         this.setVariableResolver(variableResolver);
         this.setVariablePrefixMatcher(prefixMatcher);
         this.setVariableSuffixMatcher(suffixMatcher);
         this.setEscapeChar(escape);
     }
+    //-----------------------------------------------------------------------
+    /**
+     * Replaces all the occurrences of variables in the given source object with
+     * their matching values from the map.
+     *
+     * @param <V> The type of object contained in the Map.
+     * @param source  the source text containing the variables to substitute, null returns null
+     * @param valueMap  the map with the values, may be null
+     * @return the result of the replace operation
+     */
+    public static <V> String replace(Object source, Map<String, V> valueMap) {
+        return new StrSubstitutor(valueMap).replace(source);
+    }
+
+    /**
+     * Replaces all the occurrences of variables in the given source object with
+     * their matching values from the map. This method allows to specifiy a
+     * custom variable prefix and suffix
+     *
+     * @param <V> The type of object contained in the Map.
+     * @param source  the source text containing the variables to substitute, null returns null
+     * @param valueMap  the map with the values, may be null
+     * @param prefix  the prefix of variables, not null
+     * @param suffix  the suffix of variables, not null
+     * @return the result of the replace operation
+     * @throws IllegalArgumentException if the prefix or suffix is null
+     */
+    public static <V> String replace(Object source, Map<String, V> valueMap, String prefix, String suffix) {
+        return new StrSubstitutor(valueMap, prefix, suffix).replace(source);
+    }
+
+    /**
+     * Replaces all the occurrences of variables in the given source object with their matching
+     * values from the properties.
+     *
+     * @param source the source text containing the variables to substitute, null returns null
+     * @param valueProperties the properties with values, may be null
+     * @return the result of the replace operation
+     */
+    public static String replace(Object source, Properties valueProperties) {
+        if (valueProperties == null) {
+            return source.toString();
+        }
+        Map<String, String> valueMap = new HashMap<String, String>();
+        Enumeration<?> propNames = valueProperties.propertyNames();
+        while (propNames.hasMoreElements()) {
+            String propName = (String) propNames.nextElement();
+            String propValue = valueProperties.getProperty(propName);
+            valueMap.put(propName, propValue);
+        }
+        return StrSubstitutor.replace(source, valueMap);
+    }
 
     //-----------------------------------------------------------------------
     /**
@@ -301,7 +304,7 @@ public class StrSubstitutor {
             return null;
         }
         StringBuilder buf = new StringBuilder(source);
-        if (substitute(event, buf, 0, source.length()) == false) {
+        if (!substitute(event, buf, 0, source.length())) {
             return source;
         }
         return buf.toString();
@@ -341,7 +344,7 @@ public class StrSubstitutor {
             return null;
         }
         StringBuilder buf = new StringBuilder(length).append(source, offset, length);
-        if (substitute(event, buf, 0, length) == false) {
+        if (!substitute(event, buf, 0, length)) {
             return source.substring(offset, offset + length);
         }
         return buf.toString();
@@ -510,8 +513,9 @@ public class StrSubstitutor {
      * from the resolver using the given source builder as a template.
      * The builder is not altered by this method.
      *
-     * @param source  the builder to use as a template, not changed, null returns null
-     * @return the result of the replace operation
+     * @param event The LogEvent.
+     * @param source  the builder to use as a template, not changed, null returns null.
+     * @return the result of the replace operation.
      */
     public String replace(LogEvent event, StringBuilder source) {
         if (source == null) {
@@ -644,7 +648,7 @@ public class StrSubstitutor {
             return false;
         }
         StringBuilder buf = new StringBuilder(length).append(source, offset, length);
-        if (substitute(event, buf, 0, length) == false) {
+        if (!substitute(event, buf, 0, length)) {
             return false;
         }
         source.replace(offset, offset + length, buf.toString());
@@ -862,10 +866,10 @@ public class StrSubstitutor {
      * @param priorVariables  the list of prior variables
      */
     private void checkCyclicSubstitution(String varName, List<String> priorVariables) {
-        if (priorVariables.contains(varName) == false) {
+        if (!priorVariables.contains(varName)) {
             return;
         }
-        StringBuilder buf = new StringBuilder(256);
+        StringBuilder buf = new StringBuilder(BUF_SIZE);
         buf.append("Infinite loop in property interpolation of ");
         buf.append(priorVariables.remove(0));
         buf.append(": ");
@@ -1078,7 +1082,6 @@ public class StrSubstitutor {
      * Returns a flag whether substitution is done in variable names.
      *
      * @return the substitution in variable names flag
-     * @since 3.0
      */
     public boolean isEnableSubstitutionInVariables() {
         return enableSubstitutionInVariables;
@@ -1091,10 +1094,8 @@ public class StrSubstitutor {
      * <code>${jre-${java.version}}</code>. The default value is <b>false</b>.
      *
      * @param enableSubstitutionInVariables the new value of the flag
-     * @since 3.0
      */
-    public void setEnableSubstitutionInVariables(
-            boolean enableSubstitutionInVariables) {
+    public void setEnableSubstitutionInVariables(boolean enableSubstitutionInVariables) {
         this.enableSubstitutionInVariables = enableSubstitutionInVariables;
     }
 
@@ -1109,9 +1110,9 @@ public class StrSubstitutor {
      * not before the first or after the last.
      * Appending a null iterable will have no effect..
      *
+     * @param sb StringBuilder that contains the String being constructed.
      * @param iterable  the iterable to append
      * @param separator  the separator to use, null means no separator
-     * @return this, to enable chaining
      */
     public void appendWithSeparators(StringBuilder sb, Iterable<?> iterable, String separator) {
         if (iterable != null) {
@@ -1126,7 +1127,8 @@ public class StrSubstitutor {
         }
     }
 
+    @Override
     public String toString() {
         return "StrSubstitutor(" + variableResolver.toString() + ")";
     }
-}
\ No newline at end of file
+}

Modified: logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StructuredDataLookup.java
URL: http://svn.apache.org/viewvc/logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StructuredDataLookup.java?rev=1225697&r1=1225696&r2=1225697&view=diff
==============================================================================
--- logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StructuredDataLookup.java (original)
+++ logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/StructuredDataLookup.java Thu Dec 29 23:55:08 2011
@@ -21,15 +21,26 @@ import org.apache.logging.log4j.core.con
 import org.apache.logging.log4j.message.StructuredDataMessage;
 
 /**
- * Looks up keys from system properties
+ * Looks up keys from system properties.
  */
 @Plugin(name = "sd", type = "Lookup")
 public class StructuredDataLookup implements StrLookup {
 
+    /**
+     * Lookup the value for the key.
+     * @param key  the key to be looked up, may be null
+     * @return The value for the key.
+     */
     public String lookup(String key) {
         return null;
     }
 
+    /**
+     * Lookup the value for the key using the data in the LogEvent.
+     * @param event The current LogEvent.
+     * @param key  the key to be looked up, may be null
+     * @return The value associated with the key.
+     */
     public String lookup(LogEvent event, String key) {
         if (event == null || !(event.getMessage() instanceof StructuredDataMessage)) {
             return null;

Modified: logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/SystemPropertiesLookup.java
URL: http://svn.apache.org/viewvc/logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/SystemPropertiesLookup.java?rev=1225697&r1=1225696&r2=1225697&view=diff
==============================================================================
--- logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/SystemPropertiesLookup.java (original)
+++ logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/lookup/SystemPropertiesLookup.java Thu Dec 29 23:55:08 2011
@@ -20,15 +20,26 @@ import org.apache.logging.log4j.core.Log
 import org.apache.logging.log4j.core.config.plugins.Plugin;
 
 /**
- * Looks up keys from system properties
+ * Looks up keys from system properties.
  */
 @Plugin(name = "sys", type = "Lookup")
 public class SystemPropertiesLookup implements StrLookup {
 
+    /**
+     * Lookup the value for the key.
+     * @param key  the key to be looked up, may be null
+     * @return The value for the key.
+     */
     public String lookup(String key) {
         return System.getProperty(key);
     }
 
+    /**
+     * Lookup the value for the key using the data in the LogEvent.
+     * @param event The current LogEvent.
+     * @param key  the key to be looked up, may be null
+     * @return The value associated with the key.
+     */
     public String lookup(LogEvent event, String key) {
         return System.getProperty(key);
     }

Modified: logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/pattern/RegexReplacement.java
URL: http://svn.apache.org/viewvc/logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/pattern/RegexReplacement.java?rev=1225697&r1=1225696&r2=1225697&view=diff
==============================================================================
--- logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/pattern/RegexReplacement.java (original)
+++ logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL/rgoers/log4j2-core/src/main/java/org/apache/logging/log4j/core/pattern/RegexReplacement.java Thu Dec 29 23:55:08 2011
@@ -40,7 +40,8 @@ public final class RegexReplacement {
     /**
      * Private constructor.
      *
-     * @param options options, may be null.
+     * @param pattern The Pattern.
+     * @param substitution The substitution String.
      */
     private RegexReplacement(Pattern pattern, String substitution) {
         this.pattern = pattern;
@@ -48,7 +49,9 @@ public final class RegexReplacement {
     }
 
     /**
-     * {@inheritDoc}
+     * Perform the replacement.
+     * @param msg The String to match against.
+     * @return the replacement String.
      */
     public String format(String msg) {
         return pattern.matcher(msg).replaceAll(substitution);