refactor sentinel example directory tree

spring-cloud-alibaba-examples/sentinel-example/sentinel-core-example/src/main/java/org/springframework/cloud/alibaba/cloud/examples/ExceptionUtil.java

@@ -0,0 +1,14 @@
+package org.springframework.cloud.alibaba.cloud.examples;
+
+import com.alibaba.csp.sentinel.slots.block.BlockException;
+
+/**
+ * @author fangjian
+ */
+public class ExceptionUtil {
+
+	public static void handleException(BlockException ex) {
+		System.out.println("Oops: " + ex.getClass().getCanonicalName());
+	}
+
+}

spring-cloud-alibaba-examples/sentinel-example/sentinel-core-example/src/main/java/org/springframework/cloud/alibaba/cloud/examples/JsonFlowRuleListParser.java

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+package org.springframework.cloud.alibaba.cloud.examples;
+
+import java.util.List;
+
+import com.alibaba.csp.sentinel.datasource.ConfigParser;
+import com.alibaba.csp.sentinel.slots.block.flow.FlowRule;
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.TypeReference;
+
+/**
+ * @author fangjian
+ */
+public class JsonFlowRuleListParser implements ConfigParser<String, List<FlowRule>> {
+	@Override
+	public List<FlowRule> parse(String source) {
+		return JSON.parseObject(source, new TypeReference<List<FlowRule>>() {});
+	}
+}

spring-cloud-alibaba-examples/sentinel-example/sentinel-core-example/src/main/java/org/springframework/cloud/alibaba/cloud/examples/ServiceApplication.java

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+package org.springframework.cloud.alibaba.cloud.examples;
+
+import com.alibaba.csp.sentinel.datasource.ConfigParser;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.alibaba.sentinel.annotation.SentinelProtect;
+import org.springframework.context.annotation.Bean;
+import org.springframework.web.client.RestTemplate;
+
+/**
+ * @author xiaojing
+ */
+@SpringBootApplication
+public class ServiceApplication {
+
+	@Bean
+	@SentinelProtect(blockHandler = "handleException", blockHandlerClass = ExceptionUtil.class)
+	public RestTemplate restTemplate() {
+		return new RestTemplate();
+	}
+
+	@Bean
+	public RestTemplate restTemplate2() {
+		return new RestTemplate();
+	}
+
+	@Bean
+    public ConfigParser myParser() {
+	    return new JsonFlowRuleListParser();
+    }
+
+	public static void main(String[] args) {
+		SpringApplication.run(ServiceApplication.class, args);
+	}
+
+}

spring-cloud-alibaba-examples/sentinel-example/sentinel-core-example/src/main/java/org/springframework/cloud/alibaba/cloud/examples/TestController.java

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+package org.springframework.cloud.alibaba.cloud.examples;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.client.RestTemplate;
+
+import com.alibaba.csp.sentinel.annotation.SentinelResource;
+
+/**
+ * @author xiaojing
+ */
+@RestController
+public class TestController {
+
+	@Autowired
+	private RestTemplate restTemplate;
+
+	@RequestMapping(value = "/hello", method = RequestMethod.GET)
+	@SentinelResource("resource")
+	public String hello() {
+		return "Hello";
+	}
+
+	@RequestMapping(value = "/test", method = RequestMethod.GET)
+	public String test1() {
+		return "Hello test";
+	}
+
+	@RequestMapping(value = "/template", method = RequestMethod.GET)
+	public String client() {
+		return restTemplate.getForObject("http://www.taobao.com/test", String.class);
+	}
+
+}

spring-cloud-alibaba-examples/sentinel-example/sentinel-core-example/src/main/resources/application.properties

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+spring.application.name=sentinel-example
+server.port=18083
+management.endpoints.web.exposure.include=*
+spring.cloud.sentinel.port=8721
+spring.cloud.sentinel.dashboard=localhost:8080
+
+
+
+spring.cloud.sentinel.datasource.type=file
+spring.cloud.sentinel.datasource.recommendRefreshMs=3000
+spring.cloud.sentinel.datasource.bufSize=4056196
+spring.cloud.sentinel.datasource.charset=utf-8
+spring.cloud.sentinel.datasource.configParser=myParser
+spring.cloud.sentinel.datasource.file=/Users/you/rule.json