format code with maven plugins

spring-cloud-alibaba-nacos-config/src/main/java/com/alibaba/cloud/nacos/client/NacosPropertySource.java

@@ -1,11 +1,11 @@
 /*
- * Copyright (C) 2018 the original author or authors.
+ * Copyright 2013-2018 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
+ *      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,
@@ -28,22 +28,22 @@ import org.springframework.core.env.MapPropertySource;
 public class NacosPropertySource extends MapPropertySource {
 
 	/**
-	 * Nacos Group
+	 * Nacos Group.
 	 */
 	private final String group;
 
 	/**
-	 * Nacos dataID
+	 * Nacos dataID.
 	 */
 	private final String dataId;
 
 	/**
-	 * timestamp the property get
+	 * timestamp the property get.
 	 */
 	private final Date timestamp;
 
 	/**
-	 * Whether to support dynamic refresh for this Property Source
+	 * Whether to support dynamic refresh for this Property Source.
 	 */
 	private final boolean isRefreshable;
 
@@ -71,4 +71,5 @@ public class NacosPropertySource extends MapPropertySource {
 	public boolean isRefreshable() {
 		return isRefreshable;
 	}
+
 }

spring-cloud-alibaba-nacos-config/src/main/java/com/alibaba/cloud/nacos/client/NacosPropertySourceBuilder.java

@@ -1,11 +1,11 @@
 /*
- * Copyright (C) 2018 the original author or authors.
+ * Copyright 2013-2018 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
+ *      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,
@@ -22,25 +22,28 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.Properties;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.util.StringUtils;
-
 import com.alibaba.cloud.nacos.NacosPropertySourceRepository;
 import com.alibaba.cloud.nacos.parser.NacosDataParserHandler;
 import com.alibaba.nacos.api.config.ConfigService;
 import com.alibaba.nacos.api.exception.NacosException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.springframework.util.StringUtils;
 
 /**
  * @author xiaojing
  * @author pbting
  */
 public class NacosPropertySourceBuilder {
+
 	private static final Logger log = LoggerFactory
 			.getLogger(NacosPropertySourceBuilder.class);
+
 	private static final Properties EMPTY_PROPERTIES = new Properties();
 
 	private ConfigService configService;
+
 	private long timeout;
 
 	public NacosPropertySourceBuilder(ConfigService configService, long timeout) {

spring-cloud-alibaba-nacos-config/src/main/java/com/alibaba/cloud/nacos/client/NacosPropertySourceLocator.java

@@ -1,11 +1,11 @@
 /*
- * Copyright (C) 2018 the original author or authors.
+ * Copyright 2013-2018 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
+ *      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,
@@ -19,8 +19,14 @@ package com.alibaba.cloud.nacos.client;
 import java.util.List;
 
 import com.alibaba.cloud.nacos.NacosConfigManager;
+import com.alibaba.cloud.nacos.NacosConfigProperties;
+import com.alibaba.cloud.nacos.NacosPropertySourceRepository;
+import com.alibaba.cloud.nacos.parser.NacosDataParserHandler;
+import com.alibaba.cloud.nacos.refresh.NacosContextRefresher;
+import com.alibaba.nacos.api.config.ConfigService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+
 import org.springframework.cloud.bootstrap.config.PropertySourceLocator;
 import org.springframework.core.annotation.Order;
 import org.springframework.core.env.CompositePropertySource;
@@ -29,12 +35,6 @@ import org.springframework.core.env.PropertySource;
 import org.springframework.util.CollectionUtils;
 import org.springframework.util.StringUtils;
 
-import com.alibaba.cloud.nacos.NacosConfigProperties;
-import com.alibaba.cloud.nacos.NacosPropertySourceRepository;
-import com.alibaba.cloud.nacos.parser.NacosDataParserHandler;
-import com.alibaba.cloud.nacos.refresh.NacosContextRefresher;
-import com.alibaba.nacos.api.config.ConfigService;
-
 /**
  * @author xiaojing
  * @author pbting
@@ -44,9 +44,13 @@ public class NacosPropertySourceLocator implements PropertySourceLocator {
 
 	private static final Logger log = LoggerFactory
 			.getLogger(NacosPropertySourceLocator.class);
+
 	private static final String NACOS_PROPERTY_SOURCE_NAME = "NACOS";
+
 	private static final String SEP1 = "-";
+
 	private static final String DOT = ".";
+
 	private static final String SHARED_CONFIG_SEPARATOR_CHAR = "[,]";
 
 	private NacosPropertySourceBuilder nacosPropertySourceBuilder;
@@ -197,7 +201,7 @@ public class NacosPropertySourceLocator implements PropertySourceLocator {
 
 	/**
 	 * Add the nacos configuration to the first place and maybe ignore the empty
-	 * configuration
+	 * configuration.
 	 */
 	private void addFirstPropertySource(final CompositePropertySource composite,
 			NacosPropertySource nacosPropertySource, boolean ignoreEmpty) {