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Posted to commits@logging.apache.org by ma...@apache.org on 2014/09/19 01:02:44 UTC

git commit: Consolidate RequiresNonNull and RequiresNonEmpty validators.

Repository: logging-log4j2
Updated Branches:
  refs/heads/master bb001dcae -> 616604889


Consolidate RequiresNonNull and RequiresNonEmpty validators.

  - Combined into a @Required annotation.


Project: http://git-wip-us.apache.org/repos/asf/logging-log4j2/repo
Commit: http://git-wip-us.apache.org/repos/asf/logging-log4j2/commit/61660488
Tree: http://git-wip-us.apache.org/repos/asf/logging-log4j2/tree/61660488
Diff: http://git-wip-us.apache.org/repos/asf/logging-log4j2/diff/61660488

Branch: refs/heads/master
Commit: 616604889b0109a3220085f4aa78504ed854003a
Parents: bb001dc
Author: Matt Sicker <ma...@apache.org>
Authored: Thu Sep 18 18:02:38 2014 -0500
Committer: Matt Sicker <ma...@apache.org>
Committed: Thu Sep 18 18:02:38 2014 -0500

----------------------------------------------------------------------
 .../log4j/core/appender/ConsoleAppender.java    |  8 +-
 .../log4j/core/appender/mom/JmsAppender.java    |  8 +-
 .../validation/constraints/Required.java        | 44 +++++++++++
 .../constraints/RequiresNonEmpty.java           | 44 -----------
 .../validation/constraints/RequiresNonNull.java | 44 -----------
 .../validators/RequiredValidator.java           | 80 ++++++++++++++++++++
 .../validators/RequiresNonEmptyValidator.java   | 80 --------------------
 .../validators/RequiresNonNullValidator.java    | 48 ------------
 .../plugins/validation/ValidatingPlugin.java    |  6 +-
 .../validators/RequiredValidatorTest.java       | 63 +++++++++++++++
 .../RequiresNonNullValidatorTest.java           | 63 ---------------
 11 files changed, 198 insertions(+), 290 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/61660488/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/ConsoleAppender.java
----------------------------------------------------------------------
diff --git a/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/ConsoleAppender.java b/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/ConsoleAppender.java
index 54d837e..a117e88 100644
--- a/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/ConsoleAppender.java
+++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/ConsoleAppender.java
@@ -31,7 +31,7 @@ import org.apache.logging.log4j.core.config.plugins.PluginAttribute;
 import org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute;
 import org.apache.logging.log4j.core.config.plugins.PluginBuilderFactory;
 import org.apache.logging.log4j.core.config.plugins.PluginElement;
-import org.apache.logging.log4j.core.config.plugins.validation.constraints.RequiresNonNull;
+import org.apache.logging.log4j.core.config.plugins.validation.constraints.Required;
 import org.apache.logging.log4j.core.layout.PatternLayout;
 import org.apache.logging.log4j.core.util.Booleans;
 import org.apache.logging.log4j.core.util.Loader;
@@ -114,18 +114,18 @@ public final class ConsoleAppender extends AbstractOutputStreamAppender<OutputSt
     public static class Builder implements org.apache.logging.log4j.core.util.Builder<ConsoleAppender> {
 
         @PluginElement("Layout")
-        @RequiresNonNull
+        @Required
         private Layout<? extends Serializable> layout = PatternLayout.createDefaultLayout();
 
         @PluginElement("Filter")
         private Filter filter;
 
         @PluginBuilderAttribute
-        @RequiresNonNull
+        @Required
         private Target target = Target.SYSTEM_OUT;
 
         @PluginBuilderAttribute
-        @RequiresNonNull
+        @Required
         private String name;
 
         @PluginBuilderAttribute

http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/61660488/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/mom/JmsAppender.java
----------------------------------------------------------------------
diff --git a/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/mom/JmsAppender.java b/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/mom/JmsAppender.java
index c53a970..f3a6998 100644
--- a/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/mom/JmsAppender.java
+++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/mom/JmsAppender.java
@@ -32,7 +32,7 @@ import org.apache.logging.log4j.core.config.plugins.PluginAliases;
 import org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute;
 import org.apache.logging.log4j.core.config.plugins.PluginBuilderFactory;
 import org.apache.logging.log4j.core.config.plugins.PluginElement;
-import org.apache.logging.log4j.core.config.plugins.validation.constraints.RequiresNonNull;
+import org.apache.logging.log4j.core.config.plugins.validation.constraints.Required;
 import org.apache.logging.log4j.core.layout.SerializedLayout;
 import org.apache.logging.log4j.core.net.JndiManager;
 
@@ -75,7 +75,7 @@ public class JmsAppender extends AbstractAppender {
     public static class Builder implements org.apache.logging.log4j.core.util.Builder<JmsAppender> {
 
         @PluginBuilderAttribute
-        @RequiresNonNull(message = "A name for the JmsAppender must be specified")
+        @Required(message = "A name for the JmsAppender must be specified")
         private String name;
 
         @PluginBuilderAttribute
@@ -94,12 +94,12 @@ public class JmsAppender extends AbstractAppender {
         private String securityCredentials;
 
         @PluginBuilderAttribute
-        @RequiresNonNull(message = "A javax.jms.ConnectionFactory JNDI name must be specified")
+        @Required(message = "A javax.jms.ConnectionFactory JNDI name must be specified")
         private String factoryBindingName;
 
         @PluginBuilderAttribute
         @PluginAliases({"queueBindingName", "topicBindingName"})
-        @RequiresNonNull(message = "A javax.jms.Destination JNDI name must be specified")
+        @Required(message = "A javax.jms.Destination JNDI name must be specified")
         private String destinationBindingName;
 
         @PluginBuilderAttribute

http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/61660488/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/constraints/Required.java
----------------------------------------------------------------------
diff --git a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/constraints/Required.java b/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/constraints/Required.java
new file mode 100644
index 0000000..e6f3c56
--- /dev/null
+++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/constraints/Required.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * 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 "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.logging.log4j.core.config.plugins.validation.constraints;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import org.apache.logging.log4j.core.config.plugins.validation.Constraint;
+import org.apache.logging.log4j.core.config.plugins.validation.validators.RequiredValidator;
+
+/**
+ * Marks a plugin builder field or plugin factory parameter as required.
+ *
+ * @since 2.1
+ */
+@Documented
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ElementType.FIELD, ElementType.PARAMETER})
+@Constraint(RequiredValidator.class)
+public @interface Required {
+
+    /**
+     * The message to be logged if this constraint is violated. This should normally be overridden.
+     */
+    String message() default "The parameter is null";
+}

http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/61660488/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/constraints/RequiresNonEmpty.java
----------------------------------------------------------------------
diff --git a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/constraints/RequiresNonEmpty.java b/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/constraints/RequiresNonEmpty.java
deleted file mode 100644
index 116aa9c..0000000
--- a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/constraints/RequiresNonEmpty.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * 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 "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.logging.log4j.core.config.plugins.validation.constraints;
-
-import java.lang.annotation.Documented;
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-import org.apache.logging.log4j.core.config.plugins.validation.Constraint;
-import org.apache.logging.log4j.core.config.plugins.validation.validators.RequiresNonEmptyValidator;
-
-/**
- * Constraint to mark a field or parameter as requiring a non-empty value.
- *
- * @see RequiresNonEmptyValidator
- * @since 2.1
- */
-@Documented
-@Retention(RetentionPolicy.RUNTIME)
-@Target({ElementType.FIELD, ElementType.PARAMETER})
-@Constraint(RequiresNonEmptyValidator.class)
-public @interface RequiresNonEmpty {
-
-    /**
-     * The message to be logged if this constraint is violated. This should normally be overridden.
-     */
-    String message() default "The parameter is empty";
-}

http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/61660488/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/constraints/RequiresNonNull.java
----------------------------------------------------------------------
diff --git a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/constraints/RequiresNonNull.java b/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/constraints/RequiresNonNull.java
deleted file mode 100644
index 7eb83e2..0000000
--- a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/constraints/RequiresNonNull.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * 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 "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.logging.log4j.core.config.plugins.validation.constraints;
-
-import java.lang.annotation.Documented;
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-import org.apache.logging.log4j.core.config.plugins.validation.Constraint;
-import org.apache.logging.log4j.core.config.plugins.validation.validators.RequiresNonNullValidator;
-
-/**
- * Marks a plugin builder field or plugin factory parameter as required.
- *
- * @since 2.1
- */
-@Documented
-@Retention(RetentionPolicy.RUNTIME)
-@Target({ElementType.FIELD, ElementType.PARAMETER})
-@Constraint(RequiresNonNullValidator.class)
-public @interface RequiresNonNull {
-
-    /**
-     * The message to be logged if this constraint is violated. This should normally be overridden.
-     */
-    String message() default "The parameter is null";
-}

http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/61660488/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiredValidator.java
----------------------------------------------------------------------
diff --git a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiredValidator.java b/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiredValidator.java
new file mode 100644
index 0000000..fa0b032
--- /dev/null
+++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiredValidator.java
@@ -0,0 +1,80 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * 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 "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.logging.log4j.core.config.plugins.validation.validators;
+
+import java.util.Collection;
+import java.util.Map;
+
+import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.core.config.plugins.validation.ConstraintValidator;
+import org.apache.logging.log4j.core.config.plugins.validation.constraints.Required;
+import org.apache.logging.log4j.status.StatusLogger;
+
+/**
+ * Validator that checks an object for emptiness. Emptiness is defined here as:
+ * <ul>
+ * <li>The value {@code null}</li>
+ * <li>An object of type {@link CharSequence} with length 0</li>
+ * <li>An empty array</li>
+ * <li>An empty {@link Collection}</li>
+ * <li>An empty {@link Map}</li>
+ * </ul>
+ *
+ * @since 2.1
+ */
+public class RequiredValidator implements ConstraintValidator<Required> {
+
+    private static final Logger LOGGER = StatusLogger.getLogger();
+
+    private Required annotation;
+
+    @Override
+    public void initialize(final Required annotation) {
+        this.annotation = annotation;
+    }
+
+    @Override
+    public boolean isValid(final Object value) {
+        if (value == null) {
+            return err();
+        }
+        if (value instanceof CharSequence) {
+            final CharSequence sequence = (CharSequence) value;
+            return sequence.length() != 0 || err();
+        }
+        final Class<?> clazz = value.getClass();
+        if (clazz.isArray()) {
+            final Object[] array = (Object[]) value;
+            return array.length != 0 || err();
+        }
+        if (Collection.class.isAssignableFrom(clazz)) {
+            final Collection<?> collection = (Collection<?>) value;
+            return collection.size() != 0 || err();
+        }
+        if (Map.class.isAssignableFrom(clazz)) {
+            final Map<?, ?> map = (Map<?, ?>) value;
+            return map.size() != 0 || err();
+        }
+        LOGGER.warn("RequiresNonEmpty annotation applied to type [{}] that is unsupported.", clazz.getName());
+        return true;
+    }
+
+    private boolean err() {
+        LOGGER.error(annotation.message());
+        return false;
+    }
+}

http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/61660488/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiresNonEmptyValidator.java
----------------------------------------------------------------------
diff --git a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiresNonEmptyValidator.java b/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiresNonEmptyValidator.java
deleted file mode 100644
index d8e8959..0000000
--- a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiresNonEmptyValidator.java
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * 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 "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.logging.log4j.core.config.plugins.validation.validators;
-
-import java.util.Collection;
-import java.util.Map;
-
-import org.apache.logging.log4j.Logger;
-import org.apache.logging.log4j.core.config.plugins.validation.ConstraintValidator;
-import org.apache.logging.log4j.core.config.plugins.validation.constraints.RequiresNonEmpty;
-import org.apache.logging.log4j.status.StatusLogger;
-
-/**
- * Validator that checks an object for emptiness. Emptiness is defined here as:
- * <ul>
- * <li>The value {@code null}</li>
- * <li>An object of type {@link CharSequence} with length 0</li>
- * <li>An empty array</li>
- * <li>An empty {@link Collection}</li>
- * <li>An empty {@link Map}</li>
- * </ul>
- *
- * @since 2.1
- */
-public class RequiresNonEmptyValidator implements ConstraintValidator<RequiresNonEmpty> {
-
-    private static final Logger LOGGER = StatusLogger.getLogger();
-
-    private RequiresNonEmpty annotation;
-
-    @Override
-    public void initialize(final RequiresNonEmpty annotation) {
-        this.annotation = annotation;
-    }
-
-    @Override
-    public boolean isValid(final Object value) {
-        if (value == null) {
-            return err();
-        }
-        if (value instanceof CharSequence) {
-            final CharSequence sequence = (CharSequence) value;
-            return sequence.length() != 0 || err();
-        }
-        final Class<?> clazz = value.getClass();
-        if (clazz.isArray()) {
-            final Object[] array = (Object[]) value;
-            return array.length != 0 || err();
-        }
-        if (Collection.class.isAssignableFrom(clazz)) {
-            final Collection<?> collection = (Collection<?>) value;
-            return collection.size() != 0 || err();
-        }
-        if (Map.class.isAssignableFrom(clazz)) {
-            final Map<?, ?> map = (Map<?, ?>) value;
-            return map.size() != 0 || err();
-        }
-        LOGGER.warn("RequiresNonEmpty annotation applied to type [{}] that is unsupported.", clazz.getName());
-        return true;
-    }
-
-    private boolean err() {
-        LOGGER.error(annotation.message());
-        return false;
-    }
-}

http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/61660488/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiresNonNullValidator.java
----------------------------------------------------------------------
diff --git a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiresNonNullValidator.java b/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiresNonNullValidator.java
deleted file mode 100644
index 13c926d..0000000
--- a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiresNonNullValidator.java
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * 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 "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.logging.log4j.core.config.plugins.validation.validators;
-
-import org.apache.logging.log4j.Logger;
-import org.apache.logging.log4j.core.config.plugins.validation.ConstraintValidator;
-import org.apache.logging.log4j.core.config.plugins.validation.constraints.RequiresNonNull;
-import org.apache.logging.log4j.status.StatusLogger;
-
-/**
- * Validator implementation for {@link RequiresNonNull}.
- *
- * @since 2.1
- */
-public class RequiresNonNullValidator implements ConstraintValidator<RequiresNonNull> {
-
-    private static final Logger LOGGER = StatusLogger.getLogger();
-
-    private RequiresNonNull annotation;
-
-    @Override
-    public void initialize(final RequiresNonNull annotation) {
-        this.annotation = annotation;
-    }
-
-    @Override
-    public boolean isValid(final Object value) {
-        if (value != null) {
-            return true;
-        }
-        LOGGER.error(annotation.message());
-        return false;
-    }
-}

http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/61660488/log4j-core/src/test/java/org/apache/logging/log4j/core/config/plugins/validation/ValidatingPlugin.java
----------------------------------------------------------------------
diff --git a/log4j-core/src/test/java/org/apache/logging/log4j/core/config/plugins/validation/ValidatingPlugin.java b/log4j-core/src/test/java/org/apache/logging/log4j/core/config/plugins/validation/ValidatingPlugin.java
index 71bfbcc..51d0a76 100644
--- a/log4j-core/src/test/java/org/apache/logging/log4j/core/config/plugins/validation/ValidatingPlugin.java
+++ b/log4j-core/src/test/java/org/apache/logging/log4j/core/config/plugins/validation/ValidatingPlugin.java
@@ -20,7 +20,7 @@ import org.apache.logging.log4j.core.config.plugins.Plugin;
 import org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute;
 import org.apache.logging.log4j.core.config.plugins.PluginBuilderFactory;
 import org.apache.logging.log4j.core.config.plugins.PluginFactory;
-import org.apache.logging.log4j.core.config.plugins.validation.constraints.RequiresNonNull;
+import org.apache.logging.log4j.core.config.plugins.validation.constraints.Required;
 import org.apache.logging.log4j.core.util.Assert;
 
 /**
@@ -41,7 +41,7 @@ public class ValidatingPlugin {
 
     @PluginFactory
     public static ValidatingPlugin newValidatingPlugin(
-        @RequiresNonNull(message = "The name given by the factory is null") final String name) {
+        @Required(message = "The name given by the factory is null") final String name) {
         return new ValidatingPlugin(name);
     }
 
@@ -53,7 +53,7 @@ public class ValidatingPlugin {
     public static class Builder implements org.apache.logging.log4j.core.util.Builder<ValidatingPlugin> {
 
         @PluginBuilderAttribute
-        @RequiresNonNull(message = "The name given by the builder is null")
+        @Required(message = "The name given by the builder is null")
         private String name;
 
         public Builder setName(final String name) {

http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/61660488/log4j-core/src/test/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiredValidatorTest.java
----------------------------------------------------------------------
diff --git a/log4j-core/src/test/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiredValidatorTest.java b/log4j-core/src/test/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiredValidatorTest.java
new file mode 100644
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+++ b/log4j-core/src/test/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiredValidatorTest.java
@@ -0,0 +1,63 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * 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 "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.logging.log4j.core.config.plugins.validation.validators;
+
+import org.apache.logging.log4j.core.config.Node;
+import org.apache.logging.log4j.core.config.NullConfiguration;
+import org.apache.logging.log4j.core.config.plugins.util.PluginBuilder;
+import org.apache.logging.log4j.core.config.plugins.util.PluginManager;
+import org.apache.logging.log4j.core.config.plugins.util.PluginType;
+import org.apache.logging.log4j.core.config.plugins.validation.ValidatingPlugin;
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class RequiredValidatorTest {
+
+    private PluginType<ValidatingPlugin> plugin;
+    private Node node;
+
+    @SuppressWarnings("unchecked")
+    @Before
+    public void setUp() throws Exception {
+        final PluginManager manager = new PluginManager("Test");
+        manager.collectPlugins();
+        plugin = (PluginType<ValidatingPlugin>) manager.getPluginType("Validator");
+        node = new Node(null, "Validator", plugin);
+    }
+
+    @Test
+    public void testNullDefaultValue() throws Exception {
+        final ValidatingPlugin validatingPlugin = new PluginBuilder<ValidatingPlugin>(plugin)
+            .withConfiguration(new NullConfiguration())
+            .withConfigurationNode(node)
+            .build();
+        assertNull(validatingPlugin);
+    }
+
+    @Test
+    public void testNonNullValue() throws Exception {
+        node.getAttributes().put("name", "foo");
+        final ValidatingPlugin validatingPlugin = new PluginBuilder<ValidatingPlugin>(plugin)
+            .withConfiguration(new NullConfiguration())
+            .withConfigurationNode(node)
+            .build();
+        assertNotNull(validatingPlugin);
+        assertEquals("foo", validatingPlugin.getName());
+    }
+}

http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/61660488/log4j-core/src/test/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiresNonNullValidatorTest.java
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diff --git a/log4j-core/src/test/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiresNonNullValidatorTest.java b/log4j-core/src/test/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiresNonNullValidatorTest.java
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index f685f04..0000000
--- a/log4j-core/src/test/java/org/apache/logging/log4j/core/config/plugins/validation/validators/RequiresNonNullValidatorTest.java
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@@ -1,63 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * 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 "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.logging.log4j.core.config.plugins.validation.validators;
-
-import org.apache.logging.log4j.core.config.Node;
-import org.apache.logging.log4j.core.config.NullConfiguration;
-import org.apache.logging.log4j.core.config.plugins.util.PluginBuilder;
-import org.apache.logging.log4j.core.config.plugins.util.PluginManager;
-import org.apache.logging.log4j.core.config.plugins.util.PluginType;
-import org.apache.logging.log4j.core.config.plugins.validation.ValidatingPlugin;
-import org.junit.Before;
-import org.junit.Test;
-
-import static org.junit.Assert.*;
-
-public class RequiresNonNullValidatorTest {
-
-    private PluginType<ValidatingPlugin> plugin;
-    private Node node;
-
-    @SuppressWarnings("unchecked")
-    @Before
-    public void setUp() throws Exception {
-        final PluginManager manager = new PluginManager("Test");
-        manager.collectPlugins();
-        plugin = (PluginType<ValidatingPlugin>) manager.getPluginType("Validator");
-        node = new Node(null, "Validator", plugin);
-    }
-
-    @Test
-    public void testNullDefaultValue() throws Exception {
-        final ValidatingPlugin validatingPlugin = new PluginBuilder<ValidatingPlugin>(plugin)
-            .withConfiguration(new NullConfiguration())
-            .withConfigurationNode(node)
-            .build();
-        assertNull(validatingPlugin);
-    }
-
-    @Test
-    public void testNonNullValue() throws Exception {
-        node.getAttributes().put("name", "foo");
-        final ValidatingPlugin validatingPlugin = new PluginBuilder<ValidatingPlugin>(plugin)
-            .withConfiguration(new NullConfiguration())
-            .withConfigurationNode(node)
-            .build();
-        assertNotNull(validatingPlugin);
-        assertEquals("foo", validatingPlugin.getName());
-    }
-}
\ No newline at end of file