SGF-514 - Configure HttpService with annotations.

(cherry picked from commit f39912a44ca8eb588bddc11cb7606b8d409f220c)
Signed-off-by: John Blum <jblum@pivotal.io>

src/main/java/org/springframework/data/gemfire/config/annotation/EnableHttpService.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;
+
+import org.springframework.context.annotation.Import;
+
+/**
+ * The EnableHttpService annotation marks a Spring {@link org.springframework.context.annotation.Configuration @Configuration}
+ * annotated class to configure and enable GemFire/Geode's embedded HTTP service.
+ *
+ * By using this annotation, this allows GemFire's embedded HTTP services, like Pulse, the Management REST API
+ * and the Developer REST API to be enabled.
+ *
+ * @author John Blum
+ * @see org.springframework.data.gemfire.config.annotation.HttpServiceConfiguration
+ * @see <a href="http://geode.docs.pivotal.io/docs/rest_apps/book_intro.html">Developing REST Applications for Apache Geode</a>
+ * @since 1.9.0
+ */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+@Inherited
+@Documented
+@Import(HttpServiceConfiguration.class)
+@SuppressWarnings("unused")
+public @interface EnableHttpService {
+
+	/**
+	 * If set, then the GemFire member binds the embedded HTTP service to the specified address.
+	 * If this property is not set but the HTTP service is enabled using {@literal http-service-port},
+	 * then GemFire binds the HTTP service to the member’s local address. Used by the GemFire Pulse Web application
+	 * and the Developer REST API service.
+	 *
+	 * Defaults to unset.
+	 */
+	String bindAddress() default "";
+
+	/**
+	 * If non-zero, then GemFire starts an embedded HTTP service that listens on this port. The HTTP service
+	 * is used to host the GemFire Pulse Web application and the development REST API service. If you are hosting
+	 * the Pulse web app on your own Web server and are not using the Development REST API service, then disable
+	 * this embedded HTTP service by setting this property to zero. Ignored if {@literal jmx-manager}
+	 * and {@literal start-dev-rest-api} are both set to {@literal false}.
+	 *
+	 * Defaults to {@literal 7070}.
+	 */
+	int port() default HttpServiceConfiguration.DEFAULT_HTTP_SERVICE_PORT;
+
+	/**
+	 * Boolean indicating whether to require authentication for HTTP service connections. If this property is not set,
+	 * then GemFire uses the value of {@literal cluster-ssl-require-authentication} to determine whether HTTP service
+	 * connections require authentication.
+	 *
+	 * To enable SSL communications for the HTTP service, use the {@link EnableSsl} annotation and set the
+	 * {@link EnableSsl#components()} to contain
+	 * {@link org.springframework.data.gemfire.config.annotation.EnableSsl.Component#HTTP}.
+	 *
+	 * Defaults to {@literal false}.
+	 */
+	boolean sslRequireAuthentication() default false;
+
+	/**
+	 * If set to true, then the developer REST API service will be started when cache is created.
+	 * The REST service can be configured using {@literal http-service-port} and {@literal http-service-bind-address}
+	 * GemFire System Properties.
+	 *
+	 * Defaults to {@literal false}.
+	 */
+	boolean startDeveloperRestApi() default false;
+
+}

src/main/java/org/springframework/data/gemfire/config/annotation/HttpServiceConfiguration.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 HttpServiceConfiguration class is 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's embeded HTTP service and services.
+ *
+ * @author John Blum
+ * @see org.springframework.data.gemfire.config.annotation.EnableHttpService
+ * @see org.springframework.data.gemfire.config.annotation.support.EmbeddedServiceConfigurationSupport
+ * @see <a href="http://geode.docs.pivotal.io/docs/rest_apps/book_intro.html">Developing REST Applications for Apache Geode</a>
+ * @since 1.9.0
+ */
+public class HttpServiceConfiguration extends EmbeddedServiceConfigurationSupport {
+
+	public static final boolean DEFAULT_HTTP_SERVICE_SSL_REQUIRE_AUTHENTICATION = false;
+	public static final boolean DEFAULT_HTTP_SERVICE_START_DEVELOPER_REST_API = false;
+
+	public static final int DEFAULT_HTTP_SERVICE_PORT = 7070;
+
+	/* (non-Javadoc) */
+	@Override
+	protected Class getAnnotationType() {
+		return EnableHttpService.class;
+	}
+
+	/* (non-Javadoc) */
+	@Override
+	protected Properties toGemFireProperties(Map<String, Object> annotationAttributes) {
+		PropertiesBuilder gemfireProperties = PropertiesBuilder.create();
+
+		gemfireProperties.setProperty("http-service-bind-address", annotationAttributes.get("bindAddress"));
+
+		gemfireProperties.setPropertyIfNotDefault("http-service-port",
+			annotationAttributes.get("port"), DEFAULT_HTTP_SERVICE_PORT);
+
+		gemfireProperties.setPropertyIfNotDefault("http-service-ssl-require-authentication",
+			annotationAttributes.get("sslRequireAuthentication"), DEFAULT_HTTP_SERVICE_SSL_REQUIRE_AUTHENTICATION);
+
+		gemfireProperties.setPropertyIfNotDefault("start-dev-rest-api",
+			annotationAttributes.get("startDeveloperRestApi"), DEFAULT_HTTP_SERVICE_START_DEVELOPER_REST_API);
+
+		return gemfireProperties.build();
+	}
+}