Fix the code style issues

spring-cloud-alibaba-starters/spring-cloud-starter-dubbo-gateway/src/main/java/com/alibaba/cloud/dubbo/gateway/DubboCloudGatewayConstants.java

@@ -1,12 +1,11 @@
 /*
- * 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
+ * Copyright 2013-2018 the original author or authors.
  *
- *     http://www.apache.org/licenses/LICENSE-2.0
+ * 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
+ *
+ *      https://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,
@@ -14,21 +13,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package com.alibaba.cloud.dubbo.gateway;
 
 import com.alibaba.cloud.dubbo.util.DubboCloudConstants;
 
 /**
- * The constants of Dubbo Cloud Gateway
+ * The constants of Dubbo Cloud Gateway.
  *
  * @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
  */
-public interface DubboCloudGatewayConstants {
+public abstract class DubboCloudGatewayConstants {
 
 	/**
-	 * The property prefix of Configuration
+	 * The property prefix of Configuration.
 	 */
-	String CONFIG_PROPERTY_PREFIX = DubboCloudConstants.CONFIG_PROPERTY_PREFIX
+	public static final String CONFIG_PROPERTY_PREFIX = DubboCloudConstants.CONFIG_PROPERTY_PREFIX
 			+ ".gateway";
 
 }

spring-cloud-alibaba-starters/spring-cloud-starter-dubbo-gateway/src/main/java/com/alibaba/cloud/dubbo/gateway/DubboCloudGatewayExecutor.java

@@ -1,12 +1,11 @@
 /*
- * 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
+ * Copyright 2013-2018 the original author or authors.
  *
- *     http://www.apache.org/licenses/LICENSE-2.0
+ * 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
+ *
+ *      https://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,
@@ -14,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package com.alibaba.cloud.dubbo.gateway;
 
 import java.net.URI;
@@ -30,7 +30,6 @@ import com.alibaba.cloud.dubbo.service.DubboGenericServiceExecutionContextFactor
 import com.alibaba.cloud.dubbo.service.DubboGenericServiceFactory;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-
 import org.apache.dubbo.rpc.service.GenericException;
 import org.apache.dubbo.rpc.service.GenericService;
 
@@ -46,10 +45,10 @@ import static org.apache.dubbo.common.constants.CommonConstants.PATH_SEPARATOR;
 
 /**
  * The executor of Dubbo Cloud Gateway that handles the HTTP request and responses the
- * result of execution of the generic invocation to the Dubbo service providers
+ * result of execution of the generic invocation to the Dubbo service providers.
  *
  * @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
- * 
+ *
  */
 public class DubboCloudGatewayExecutor {
 
@@ -145,8 +144,7 @@ public class DubboCloudGatewayExecutor {
 	}
 
 	/**
-	 * TODO : Get the Request Body from HttpRequest
-	 * 
+	 * TODO : Get the Request Body from HttpRequest.
 	 * @param request {@link HttpRequest}
 	 * @return
 	 */

spring-cloud-alibaba-starters/spring-cloud-starter-dubbo-gateway/src/main/java/com/alibaba/cloud/dubbo/gateway/DubboCloudGatewayProperties.java

@@ -1,12 +1,11 @@
 /*
- * 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
+ * Copyright 2013-2018 the original author or authors.
  *
- *     http://www.apache.org/licenses/LICENSE-2.0
+ * 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
+ *
+ *      https://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,
@@ -14,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package com.alibaba.cloud.dubbo.gateway;
 
 import org.springframework.boot.context.properties.ConfigurationProperties;
@@ -21,7 +21,7 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
 import static com.alibaba.cloud.dubbo.gateway.DubboCloudGatewayConstants.CONFIG_PROPERTY_PREFIX;
 
 /**
- * The Configuration Properties for Dubbo Cloud Gateway
+ * The Configuration Properties for Dubbo Cloud Gateway.
  *
  * @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
  */
@@ -29,12 +29,12 @@ import static com.alibaba.cloud.dubbo.gateway.DubboCloudGatewayConstants.CONFIG_
 public class DubboCloudGatewayProperties {
 
 	/**
-	 * Enabled or not
+	 * Enabled or not.
 	 */
 	private boolean enabled = true;
 
 	/**
-	 * The context path for the gateway request mapping
+	 * The context path for the gateway request mapping.
 	 */
 	private String contextPath = "";
 
@@ -53,4 +53,5 @@ public class DubboCloudGatewayProperties {
 	public void setContextPath(String contextPath) {
 		this.contextPath = contextPath;
 	}
+
 }

spring-cloud-alibaba-starters/spring-cloud-starter-dubbo-gateway/src/main/java/com/alibaba/cloud/dubbo/gateway/autoconfigure/DubboCloudGatewayAutoConfiguration.java

@@ -1,12 +1,11 @@
 /*
- * 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
+ * Copyright 2013-2018 the original author or authors.
  *
- *     http://www.apache.org/licenses/LICENSE-2.0
+ * 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
+ *
+ *      https://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,
@@ -14,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package com.alibaba.cloud.dubbo.gateway.autoconfigure;
 
 import com.alibaba.cloud.dubbo.autoconfigure.DubboMetadataAutoConfiguration;
@@ -34,7 +34,8 @@ import org.springframework.context.annotation.Configuration;
 import org.springframework.core.convert.ConversionService;
 
 @Configuration(proxyBeanMethods = false)
-@ConditionalOnProperty(prefix = "dubbo.cloud.gateway", name = "enabled", havingValue = "true", matchIfMissing = true)
+@ConditionalOnProperty(prefix = "dubbo.cloud.gateway", name = "enabled",
+		havingValue = "true", matchIfMissing = true)
 @AutoConfigureAfter({ DubboServiceAutoConfiguration.class,
 		DubboMetadataAutoConfiguration.class })
 @EnableConfigurationProperties(DubboCloudGatewayProperties.class)
@@ -51,4 +52,5 @@ public class DubboCloudGatewayAutoConfiguration {
 		return new DubboCloudGatewayExecutor(repository, serviceFactory, contextFactory,
 				dubboCloudGatewayProperties, conversionServices);
 	}
+
 }

spring-cloud-alibaba-starters/spring-cloud-starter-dubbo-gateway/src/main/java/com/alibaba/cloud/dubbo/gateway/autoconfigure/DubboSpringCloudGatewayAutoConfiguration.java

@@ -1,12 +1,11 @@
 /*
- * 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
+ * Copyright 2013-2018 the original author or authors.
  *
- *     http://www.apache.org/licenses/LICENSE-2.0
+ * 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
+ *
+ *      https://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,
@@ -14,13 +13,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package com.alibaba.cloud.dubbo.gateway.autoconfigure;
 
 import com.alibaba.cloud.dubbo.autoconfigure.DubboMetadataAutoConfiguration;
 import com.alibaba.cloud.dubbo.autoconfigure.DubboServiceAutoConfiguration;
 import com.alibaba.cloud.dubbo.gateway.DubboCloudGatewayExecutor;
 import com.alibaba.cloud.dubbo.gateway.DubboCloudGatewayProperties;
-import com.alibaba.cloud.dubbo.gateway.standard.DubboSpringCloudGatewayFilter;
+import com.alibaba.cloud.dubbo.gateway.bootstrap.DubboSpringCloudGatewayFilter;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
@@ -38,13 +38,14 @@ import org.springframework.http.codec.ServerCodecConfigurer;
 import org.springframework.http.codec.support.DefaultServerCodecConfigurer;
 
 /**
- * The Auto-{@link Configuration} of Dubbo Spring Cloud Gateway
+ * The Auto-{@link Configuration} of Dubbo Spring Cloud Gateway.
  *
  * @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
  */
 @Configuration(proxyBeanMethods = false)
 @ConditionalOnClass(GlobalFilter.class)
-@ConditionalOnProperty(prefix = "dubbo.cloud.gateway", name = "enabled", havingValue = "true", matchIfMissing = true)
+@ConditionalOnProperty(prefix = "dubbo.cloud.gateway", name = "enabled",
+		havingValue = "true", matchIfMissing = true)
 @AutoConfigureAfter({ DubboServiceAutoConfiguration.class,
 		DubboMetadataAutoConfiguration.class, DubboCloudGatewayAutoConfiguration.class })
 @EnableConfigurationProperties(DubboCloudGatewayProperties.class)

spring-cloud-alibaba-starters/spring-cloud-starter-dubbo-gateway/src/main/java/com/alibaba/cloud/dubbo/gateway/bootstrap/DubboSpringCloudGatewayFilter.java

@@ -1,12 +1,11 @@
 /*
- * 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
+ * Copyright 2013-2018 the original author or authors.
  *
- *     http://www.apache.org/licenses/LICENSE-2.0
+ * 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
+ *
+ *      https://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,
@@ -14,7 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.alibaba.cloud.dubbo.gateway.standard;
+
+package com.alibaba.cloud.dubbo.gateway.bootstrap;
 
 import com.alibaba.cloud.dubbo.gateway.DubboCloudGatewayExecutor;
 import org.apache.commons.logging.Log;
@@ -29,7 +29,7 @@ import org.springframework.http.server.reactive.ServerHttpResponse;
 import org.springframework.web.server.ServerWebExchange;
 
 /**
- * The Spring Cloud {@link GatewayFilter Gateway Filter} for Dubbo
+ * The Spring Cloud {@link GatewayFilter Gateway Filter} for Dubbo.
  *
  * @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
  */

spring-cloud-alibaba-starters/spring-cloud-starter-dubbo-gateway/src/test/java/com/alibaba/cloud/dubbo/gateway/bootstrap/DubboSpringCloudGatewayBootstrap.java

@@ -1,12 +1,11 @@
 /*
- * 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
+ * Copyright 2013-2018 the original author or authors.
  *
- *     http://www.apache.org/licenses/LICENSE-2.0
+ * 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
+ *
+ *      https://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,
@@ -14,20 +13,24 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.alibaba.cloud.dubbo.gateway.standard;
 
-import org.springframework.boot.autoconfigure.SpringBootApplication;
+package com.alibaba.cloud.dubbo.gateway.bootstrap;
+
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.builder.SpringApplicationBuilder;
 import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
 
 /**
- * The bootstrap class of Dubbo Spring Cloud Gateway
+ * The bootstrap class of Dubbo Spring Cloud Gateway.
  *
  * @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
  */
-@SpringBootApplication
+@EnableAutoConfiguration
 @EnableDiscoveryClient
-public class DubboSpringCloudGatewayBootstrap {
+public final class DubboSpringCloudGatewayBootstrap {
+
+	private DubboSpringCloudGatewayBootstrap() {
+	}
 
 	public static void main(String[] args) {
 		new SpringApplicationBuilder(DubboSpringCloudGatewayBootstrap.class)