For #4005, fix none sharding strategy can't be config in spring-boot (#…

…4021)

* For #4005, fix none sharding strategy can't be config in spring-boot-starter

* For checkstyle

sharding-spring/sharding-jdbc-orchestration-spring/sharding-jdbc-orchestration-spring-boot-starter/src/main/java/org/apache/shardingsphere/shardingjdbc/orchestration/spring/boot/OrchestrationSpringBootConfiguration.java

@@ -58,6 +58,7 @@
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.EnvironmentAware;
 import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Conditional;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.env.Environment;
@@ -79,6 +80,7 @@
  * @author yangyi
  */
 @Configuration
+@ComponentScan("org.apache.shardingsphere.spring.boot.converter")
 @EnableConfigurationProperties({
         SpringBootShardingRuleConfigurationProperties.class, SpringBootMasterSlaveRuleConfigurationProperties.class,
         SpringBootPropertiesConfigurationProperties.class, SpringBootOrchestrationConfigurationProperties.class,

sharding-spring/sharding-jdbc-spring/sharding-jdbc-spring-boot-starter/src/main/java/org/apache/shardingsphere/shardingjdbc/spring/boot/SpringBootConfiguration.java

@@ -49,6 +49,7 @@
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.EnvironmentAware;
 import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Conditional;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.env.Environment;
@@ -71,6 +72,7 @@
  * @author yangyi
  */
 @Configuration
+@ComponentScan("org.apache.shardingsphere.spring.boot.converter")
 @EnableConfigurationProperties({
         SpringBootShardingRuleConfigurationProperties.class,
         SpringBootMasterSlaveRuleConfigurationProperties.class, SpringBootEncryptRuleConfigurationProperties.class,

sharding-spring/sharding-spring-boot-util/src/main/java/org/apache/shardingsphere/spring/boot/converter/StringToNoneShardingStrategyConfigurationConverter.java

@@ -0,0 +1,38 @@
+/*
+ * 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
+ *
+ *     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.apache.shardingsphere.spring.boot.converter;
+
+import org.apache.shardingsphere.core.yaml.config.sharding.strategy.YamlNoneShardingStrategyConfiguration;
+import org.springframework.boot.context.properties.ConfigurationPropertiesBinding;
+import org.springframework.core.convert.converter.Converter;
+import org.springframework.stereotype.Component;
+
+/**
+ * String convert to none sharding strategy configuration.
+ *
+ * @author yangyi
+ */
+@Component
+@ConfigurationPropertiesBinding
+public final class StringToNoneShardingStrategyConfigurationConverter implements Converter<String, YamlNoneShardingStrategyConfiguration> {
+
+    @Override
+    public YamlNoneShardingStrategyConfiguration convert(final String value) {
+        return new YamlNoneShardingStrategyConfiguration();
+    }
+}

sharding-spring/sharding-spring-boot-util/src/test/java/org/apache/shardingsphere/spring/boot/converter/StringToNoneShardingStrategyConfigurationConverterTest.java

@@ -0,0 +1,33 @@
+/*
+ * 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
+ *
+ *     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.apache.shardingsphere.spring.boot.converter;
+
+import org.apache.shardingsphere.core.yaml.config.sharding.strategy.YamlNoneShardingStrategyConfiguration;
+import org.junit.Test;
+
+import static org.hamcrest.CoreMatchers.instanceOf;
+import static org.junit.Assert.assertThat;
+
+public final class StringToNoneShardingStrategyConfigurationConverterTest {
+
+    @Test
+    public void assertConvert() {
+        Object actual = new StringToNoneShardingStrategyConfigurationConverter().convert("anyString");
+        assertThat(actual, instanceOf(YamlNoneShardingStrategyConfiguration.class));
+    }
+}