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Posted to commits@logging.apache.org by vy...@apache.org on 2020/11/19 16:01:15 UTC

[logging-log4j2] branch release-2.x updated: Replace enum singletons with final classes, as requested by Gary Gregory.

This is an automated email from the ASF dual-hosted git repository.

vy pushed a commit to branch release-2.x
in repository https://gitbox.apache.org/repos/asf/logging-log4j2.git


The following commit(s) were added to refs/heads/release-2.x by this push:
     new 16850e1  Replace enum singletons with final classes, as requested by Gary Gregory.
16850e1 is described below

commit 16850e1d62aa5b091cf686b63658864aa0a95a5b
Author: Volkan Yazıcı <vo...@gmail.com>
AuthorDate: Thu Nov 19 16:59:38 2020 +0100

    Replace enum singletons with final classes, as requested by Gary Gregory.
---
 .../log4j/layout/template/json/JsonTemplateLayoutDefaults.java    | 4 +++-
 .../layout/template/json/resolver/EventResolverFactories.java     | 4 +++-
 .../json/resolver/StackTraceElementObjectResolverFactories.java   | 4 +++-
 .../log4j/layout/template/json/resolver/TemplateResolvers.java    | 4 +++-
 .../log4j/layout/template/json/util/RecyclerFactories.java        | 4 +++-
 .../log4j/layout/template/json/util/StringParameterParser.java    | 8 ++++++--
 .../org/apache/logging/log4j/layout/template/json/util/Uris.java  | 4 +++-
 .../apache/logging/log4j/layout/template/json/JacksonFixture.java | 4 +++-
 .../log4j/layout/template/json/LayoutComparisonHelpers.java       | 4 +++-
 .../logging/log4j/layout/template/json/LogEventFixture.java       | 4 +++-
 .../org/apache/logging/log4j/layout/template/json/LogstashIT.java | 4 +++-
 11 files changed, 36 insertions(+), 12 deletions(-)

diff --git a/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/JsonTemplateLayoutDefaults.java b/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/JsonTemplateLayoutDefaults.java
index 4f417ee..5cf1e97 100644
--- a/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/JsonTemplateLayoutDefaults.java
+++ b/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/JsonTemplateLayoutDefaults.java
@@ -25,7 +25,9 @@ import java.nio.charset.StandardCharsets;
 import java.util.Locale;
 import java.util.TimeZone;
 
-public enum JsonTemplateLayoutDefaults {;
+public final class JsonTemplateLayoutDefaults {
+
+    private JsonTemplateLayoutDefaults() {}
 
     private static final PropertiesUtil PROPERTIES = PropertiesUtil.getProperties();
 
diff --git a/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/resolver/EventResolverFactories.java b/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/resolver/EventResolverFactories.java
index b4b4f49..0bfcd76 100644
--- a/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/resolver/EventResolverFactories.java
+++ b/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/resolver/EventResolverFactories.java
@@ -24,7 +24,9 @@ import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
-enum EventResolverFactories {;
+final class EventResolverFactories {
+
+    private EventResolverFactories() {}
 
     private static final Map<String, TemplateResolverFactory<LogEvent, EventResolverContext, ? extends TemplateResolver<LogEvent>>> RESOLVER_FACTORY_BY_NAME =
             createResolverFactoryByName();
diff --git a/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/resolver/StackTraceElementObjectResolverFactories.java b/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/resolver/StackTraceElementObjectResolverFactories.java
index ff1170c..cf76012 100644
--- a/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/resolver/StackTraceElementObjectResolverFactories.java
+++ b/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/resolver/StackTraceElementObjectResolverFactories.java
@@ -20,7 +20,9 @@ import java.util.Collections;
 import java.util.LinkedHashMap;
 import java.util.Map;
 
-enum StackTraceElementObjectResolverFactories {;
+final class StackTraceElementObjectResolverFactories {
+
+    private StackTraceElementObjectResolverFactories() {}
 
     private static final Map<String, TemplateResolverFactory<StackTraceElement, StackTraceElementObjectResolverContext, ? extends TemplateResolver<StackTraceElement>>> RESOLVER_FACTORY_BY_NAME =
             createResolverFactoryByName();
diff --git a/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/resolver/TemplateResolvers.java b/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/resolver/TemplateResolvers.java
index 3ffa87a..ab4dfa4 100644
--- a/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/resolver/TemplateResolvers.java
+++ b/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/resolver/TemplateResolvers.java
@@ -26,7 +26,9 @@ import java.util.List;
 import java.util.Map;
 import java.util.stream.Collectors;
 
-public enum TemplateResolvers {;
+public final class TemplateResolvers {
+
+    private TemplateResolvers() {}
 
     private static final String RESOLVER_FIELD_NAME = "$resolver";
 
diff --git a/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/util/RecyclerFactories.java b/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/util/RecyclerFactories.java
index 82b4ef8..b839619 100644
--- a/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/util/RecyclerFactories.java
+++ b/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/util/RecyclerFactories.java
@@ -32,7 +32,9 @@ import java.util.Queue;
 import java.util.concurrent.ArrayBlockingQueue;
 import java.util.function.Supplier;
 
-public enum RecyclerFactories {;
+public final class RecyclerFactories {
+
+    private RecyclerFactories() {}
 
     private static final String JCTOOLS_QUEUE_CLASS_SUPPLIER_PATH =
             "org.jctools.queues.MpmcArrayQueue.new";
diff --git a/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/util/StringParameterParser.java b/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/util/StringParameterParser.java
index 2952d06..041f2e3 100644
--- a/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/util/StringParameterParser.java
+++ b/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/util/StringParameterParser.java
@@ -25,9 +25,13 @@ import java.util.Objects;
 import java.util.Set;
 import java.util.concurrent.Callable;
 
-public enum StringParameterParser {;
+public final class StringParameterParser {
 
-    public enum Values {;
+    private StringParameterParser() {}
+
+    public static final class Values {
+
+        private Values() {}
 
         static NullValue nullValue() {
             return NullValue.INSTANCE;
diff --git a/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/util/Uris.java b/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/util/Uris.java
index 5df1791..c783350 100644
--- a/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/util/Uris.java
+++ b/log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/util/Uris.java
@@ -34,7 +34,9 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
 
-public enum Uris {;
+public final class Uris {
+
+    private Uris() {}
 
     private static final Logger LOGGER = StatusLogger.getLogger();
 
diff --git a/log4j-layout-template-json/src/test/java/org/apache/logging/log4j/layout/template/json/JacksonFixture.java b/log4j-layout-template-json/src/test/java/org/apache/logging/log4j/layout/template/json/JacksonFixture.java
index bd9e76f..aaf5c4f 100644
--- a/log4j-layout-template-json/src/test/java/org/apache/logging/log4j/layout/template/json/JacksonFixture.java
+++ b/log4j-layout-template-json/src/test/java/org/apache/logging/log4j/layout/template/json/JacksonFixture.java
@@ -18,7 +18,9 @@ package org.apache.logging.log4j.layout.template.json;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 
-public enum JacksonFixture {;
+public final class JacksonFixture {
+
+    private JacksonFixture() {}
 
     private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
 
diff --git a/log4j-layout-template-json/src/test/java/org/apache/logging/log4j/layout/template/json/LayoutComparisonHelpers.java b/log4j-layout-template-json/src/test/java/org/apache/logging/log4j/layout/template/json/LayoutComparisonHelpers.java
index e0be875..1c343c5 100644
--- a/log4j-layout-template-json/src/test/java/org/apache/logging/log4j/layout/template/json/LayoutComparisonHelpers.java
+++ b/log4j-layout-template-json/src/test/java/org/apache/logging/log4j/layout/template/json/LayoutComparisonHelpers.java
@@ -22,7 +22,9 @@ import org.apache.logging.log4j.layout.template.json.util.JsonReader;
 
 import java.util.Map;
 
-enum LayoutComparisonHelpers {;
+final class LayoutComparisonHelpers {
+
+    private LayoutComparisonHelpers() {}
 
     @SuppressWarnings("unchecked")
     static Map<String, Object> renderUsing(
diff --git a/log4j-layout-template-json/src/test/java/org/apache/logging/log4j/layout/template/json/LogEventFixture.java b/log4j-layout-template-json/src/test/java/org/apache/logging/log4j/layout/template/json/LogEventFixture.java
index 408a34d..c2fd5c5 100644
--- a/log4j-layout-template-json/src/test/java/org/apache/logging/log4j/layout/template/json/LogEventFixture.java
+++ b/log4j-layout-template-json/src/test/java/org/apache/logging/log4j/layout/template/json/LogEventFixture.java
@@ -30,7 +30,9 @@ import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.List;
 
-enum LogEventFixture {;
+final class LogEventFixture {
+
+    private LogEventFixture() {}
 
     private static final int TIME_OVERLAPPING_CONSECUTIVE_EVENT_COUNT = 10;
 
diff --git a/log4j-layout-template-json/src/test/java/org/apache/logging/log4j/layout/template/json/LogstashIT.java b/log4j-layout-template-json/src/test/java/org/apache/logging/log4j/layout/template/json/LogstashIT.java
index 3bf6241..4809559 100644
--- a/log4j-layout-template-json/src/test/java/org/apache/logging/log4j/layout/template/json/LogstashIT.java
+++ b/log4j-layout-template-json/src/test/java/org/apache/logging/log4j/layout/template/json/LogstashIT.java
@@ -142,7 +142,9 @@ public class LogstashIT {
     /**
      * Constants hardcoded in docker-maven-plugin configuration, do not change!
      */
-    private enum MavenHardcodedConstants {;
+    private static final class MavenHardcodedConstants {
+
+        private MavenHardcodedConstants() {}
 
         private static final int LS_GELF_INPUT_PORT = 12222;