code format

spring-cloud-alibaba-sentinel-datasource/src/main/java/org/springframework/cloud/alibaba/sentinel/datasource/config/AbstractDataSourceProperties.java

@@ -4,6 +4,7 @@ import javax.validation.constraints.NotEmpty;
 import javax.validation.constraints.NotNull;
 
 import org.springframework.cloud.alibaba.sentinel.datasource.RuleType;
+import org.springframework.core.env.Environment;
 
 import com.alibaba.csp.sentinel.adapter.gateway.common.api.GatewayApiDefinitionManager;
 import com.alibaba.csp.sentinel.adapter.gateway.common.rule.GatewayRuleManager;
@@ -15,7 +16,6 @@ import com.alibaba.csp.sentinel.slots.block.flow.param.ParamFlowRuleManager;
 import com.alibaba.csp.sentinel.slots.system.SystemRuleManager;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
-import org.springframework.core.env.Environment;
 
 /**
  * Abstract class Using by {@link DataSourcePropertiesConfiguration}

spring-cloud-alibaba-sentinel-datasource/src/main/java/org/springframework/cloud/alibaba/sentinel/datasource/factorybean/ApolloDataSourceFactoryBean.java

@@ -1,10 +1,10 @@
 package org.springframework.cloud.alibaba.sentinel.datasource.factorybean;
 
+import org.springframework.beans.factory.FactoryBean;
+
 import com.alibaba.csp.sentinel.datasource.Converter;
 import com.alibaba.csp.sentinel.datasource.apollo.ApolloDataSource;
 
-import org.springframework.beans.factory.FactoryBean;
-
 /**
  * A {@link FactoryBean} for creating {@link ApolloDataSource} instance.
  *

spring-cloud-alibaba-sentinel-datasource/src/main/java/org/springframework/cloud/alibaba/sentinel/datasource/factorybean/FileRefreshableDataSourceFactoryBean.java

@@ -3,11 +3,11 @@ package org.springframework.cloud.alibaba.sentinel.datasource.factorybean;
 import java.io.File;
 import java.nio.charset.Charset;
 
+import org.springframework.beans.factory.FactoryBean;
+
 import com.alibaba.csp.sentinel.datasource.Converter;
 import com.alibaba.csp.sentinel.datasource.FileRefreshableDataSource;
 
-import org.springframework.beans.factory.FactoryBean;
-
 /**
  * A {@link FactoryBean} for creating {@link FileRefreshableDataSource} instance.
  *

spring-cloud-alibaba-sentinel-datasource/src/main/java/org/springframework/cloud/alibaba/sentinel/datasource/factorybean/NacosDataSourceFactoryBean.java

@@ -1,12 +1,13 @@
 package org.springframework.cloud.alibaba.sentinel.datasource.factorybean;
 
+import java.util.Properties;
+
+import org.springframework.beans.factory.FactoryBean;
+import org.springframework.util.StringUtils;
+
 import com.alibaba.csp.sentinel.datasource.Converter;
 import com.alibaba.csp.sentinel.datasource.nacos.NacosDataSource;
 import com.alibaba.nacos.api.PropertyKeyConst;
-import org.springframework.beans.factory.FactoryBean;
-import org.springframework.util.StringUtils;
-
-import java.util.Properties;
 
 /**
  * A {@link FactoryBean} for creating {@link NacosDataSource} instance.

spring-cloud-alibaba-sentinel-datasource/src/main/java/org/springframework/cloud/alibaba/sentinel/datasource/factorybean/ZookeeperDataSourceFactoryBean.java

@@ -1,11 +1,11 @@
 package org.springframework.cloud.alibaba.sentinel.datasource.factorybean;
 
-import com.alibaba.csp.sentinel.datasource.Converter;
-import com.alibaba.csp.sentinel.datasource.zookeeper.ZookeeperDataSource;
-
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.FactoryBean;
 
+import com.alibaba.csp.sentinel.datasource.Converter;
+import com.alibaba.csp.sentinel.datasource.zookeeper.ZookeeperDataSource;
+
 /**
  * A {@link FactoryBean} for creating {@link ZookeeperDataSource} instance.
  *
@@ -28,7 +28,8 @@ public class ZookeeperDataSourceFactoryBean implements FactoryBean<ZookeeperData
 		if (StringUtils.isNotEmpty(groupId) && StringUtils.isNotEmpty(dataId)) {
 			// the path will be /{groupId}/{dataId}
 			return new ZookeeperDataSource(serverAddr, groupId, dataId, converter);
-        } else {
+		}
+		else {
 			// using path directly
 			return new ZookeeperDataSource(serverAddr, path, converter);
 		}

spring-cloud-alibaba-sentinel/src/main/java/org/springframework/cloud/alibaba/sentinel/custom/SentinelAutoConfiguration.java

@@ -171,7 +171,8 @@ public class SentinelAutoConfiguration {
 
 	@Bean
 	public SentinelDataSourceHandler sentinelDataSourceHandler(
-        DefaultListableBeanFactory beanFactory, SentinelProperties sentinelProperties, Environment env) {
+			DefaultListableBeanFactory beanFactory, SentinelProperties sentinelProperties,
+			Environment env) {
 		return new SentinelDataSourceHandler(beanFactory, sentinelProperties, env);
 	}
 
@@ -181,8 +182,7 @@ public class SentinelAutoConfiguration {
 
 		static class ApiPredicateItemDeserializer
 				extends StdDeserializer<ApiPredicateItem> {
-            private Map<String, Class<? extends ApiPredicateItem>> registry
+			private Map<String, Class<? extends ApiPredicateItem>> registry = new HashMap<String, Class<? extends ApiPredicateItem>>();
-                = new HashMap<String, Class<? extends ApiPredicateItem>>();
 
 			ApiPredicateItemDeserializer() {
 				super(ApiPredicateItem.class);
@@ -195,9 +195,8 @@ public class SentinelAutoConfiguration {
 
 			@Override
 			public ApiPredicateItem deserialize(JsonParser jp,
-                                                DeserializationContext ctxt)
+					DeserializationContext ctxt) throws IOException {
-                throws IOException {
+				ObjectMapper mapper = (ObjectMapper) jp.getCodec();
-                ObjectMapper mapper = (ObjectMapper)jp.getCodec();
 				ObjectNode root = mapper.readTree(jp);
 				Class<? extends ApiPredicateItem> apiPredicateItemClass = null;
 				Iterator<Entry<String, JsonNode>> elementsIterator = root.fields();