SGF-518 - Configure Logging with annotations.

(cherry picked from commit 973791c4553c662c8aefac69a87f9d773a34bc45)
Signed-off-by: John Blum <jblum@pivotal.io>

src/main/java/org/springframework/data/gemfire/config/annotation/EnableLogging.java

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+/*
+ * Copyright 2012 the original author or authors.
+ *
+ * Licensed 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.springframework.data.gemfire.config.annotation;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * The EnableLogging annotation marks a Spring {@link org.springframework.context.annotation.Configuration @Configuration}
+ * annotated class to configure and enable GemFire/Geode system logging.
+ *
+ * @author John Blum
+ * @see org.springframework.data.gemfire.config.annotation
+ * @since 1.9.0
+ */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+@Inherited
+@Documented
+@SuppressWarnings("unused")
+public @interface EnableLogging {
+
+	/**
+	 * Maximum size in megabytes of all inactive log files combined. If this limit is exceeded, inactive log files
+	 * are deleted, oldest first, until the total size is within the limit. If set to zero, disk space use is unlimited.
+	 *
+	 * Defaults to {@literal 0} MB.
+	 */
+	int logDiskSpaceLimit() default LoggingConfiguration.DEFAULT_LOG_DISK_SPACE_LIMIT;
+
+	/**
+	 * File to which a running system member writes log messages.  Logs to standard out by default.
+	 *
+	 * Defaults to unset.
+	 */
+	String logFile() default "";
+
+	/**
+	 * Maximum size in megabytes of a log file before it is closed and logging rolls on to a new (child) log file.
+	 * If set to 0, log rolling is disabled.
+	 *
+	 * Defaults to {@literal 0} MB.
+	 */
+	int logFileSizeLimit() default LoggingConfiguration.DEFAULT_LOG_FILE_SIZE_LIMIT;
+
+	/**
+	 * Level of detail of the messages written to the system member’s log. Setting {@literal log-level} to one
+	 * of the ordered levels causes all messages of that level and greater severity to be printed.
+	 *
+	 * Valid values from lowest to highest are {@literal fine}, {@literal config}, {@literal info}, {@literal warning},
+	 * {@literal error}, {@literal severe}, and {@literal none}.
+	 *
+	 * Defaults to {@literal config}.
+	 */
+	String logLevel() default "config";
+
+}

src/main/java/org/springframework/data/gemfire/config/annotation/LoggingConfiguration.java

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+/*
+ * Copyright 2012 the original author or authors.
+ *
+ * Licensed 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.springframework.data.gemfire.config.annotation;
+
+import java.util.Map;
+import java.util.Properties;
+
+import org.springframework.data.gemfire.config.annotation.support.EmbeddedServiceConfigurationSupport;
+import org.springframework.data.gemfire.util.PropertiesBuilder;
+
+/**
+ * The LoggingConfiguration classis a Spring {@link org.springframework.context.annotation.ImportBeanDefinitionRegistrar}
+ * that applies additional GemFire/Geode configuration by way of GemFire/Geode System properties to configure
+ * GemFire/Geode logging.
+ *
+ * @author John Blum
+ * @see org.springframework.data.gemfire.config.annotation.EnableLogging
+ * @see org.springframework.data.gemfire.config.annotation.support.EmbeddedServiceConfigurationSupport
+ * @since 1.9.0
+ */
+public class LoggingConfiguration extends EmbeddedServiceConfigurationSupport {
+
+	public static final int DEFAULT_LOG_DISK_SPACE_LIMIT = 0;
+	public static final int DEFAULT_LOG_FILE_SIZE_LIMIT = 0;
+
+	public static final String DEFAULT_LOG_LEVEL = "config";
+
+	/* (non-Javadoc) */
+	@Override
+	protected Class getAnnotationType() {
+		return EnableLogging.class;
+	}
+
+	/* (non-Javadoc) */
+	@Override
+	protected Properties toGemFireProperties(Map<String, Object> annotationAttributes) {
+		PropertiesBuilder gemfireProperties = PropertiesBuilder.create();
+
+		gemfireProperties.setPropertyIfNotDefault("log-disk-space-limit",
+			annotationAttributes.get("logDiskSpaceLimit"), DEFAULT_LOG_DISK_SPACE_LIMIT);
+
+		gemfireProperties.setProperty("log-file", annotationAttributes.get("logFile"));
+
+		gemfireProperties.setPropertyIfNotDefault("log-file-size-limit",
+			annotationAttributes.get("logFileSizeLimit"), DEFAULT_LOG_FILE_SIZE_LIMIT);
+
+		gemfireProperties.setPropertyIfNotDefault("log-level",
+			annotationAttributes.get("logLevel"), DEFAULT_LOG_LEVEL);
+
+		return gemfireProperties.build();
+	}
+}