sentinel support custom block response by sentinelClientHttpResponse

spring-cloud-alibaba-dependencies/pom.xml

@@ -127,6 +127,18 @@
                 <artifactId>sentinel-dubbo-api</artifactId>
                 <version>${project.version}</version>
             </dependency>
+            <dependency>
+                <groupId>com.alibaba.csp</groupId>
+                <artifactId>sentinel-cluster-server-default</artifactId>
+                <version>${sentinel.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>com.alibaba.csp</groupId>
+                <artifactId>sentinel-cluster-client-default</artifactId>
+                <version>${sentinel.version}</version>
+            </dependency>
+
+
             <dependency>
                 <groupId>org.apache.rocketmq</groupId>
                 <artifactId>rocketmq-client</artifactId>

spring-cloud-alibaba-sentinel/pom.xml

@@ -35,6 +35,16 @@
             <artifactId>sentinel-dubbo-adapter</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>com.alibaba.csp</groupId>
+            <artifactId>sentinel-cluster-server-default</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.alibaba.csp</groupId>
+            <artifactId>sentinel-cluster-client-default</artifactId>
+        </dependency>
+
         <dependency>
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-openfeign</artifactId>

spring-cloud-alibaba-sentinel/src/main/java/org/springframework/cloud/alibaba/sentinel/rest/SentinelClientHttpResponse.java

@@ -16,6 +16,13 @@
 
 package org.springframework.cloud.alibaba.sentinel.rest;
 
+import org.springframework.cloud.alibaba.sentinel.annotation.SentinelRestTemplate;
+import org.springframework.cloud.alibaba.sentinel.custom.SentinelProtectInterceptor;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.client.AbstractClientHttpResponse;
+
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -24,20 +31,22 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import org.springframework.cloud.alibaba.sentinel.annotation.SentinelRestTemplate;
-import org.springframework.cloud.alibaba.sentinel.custom.SentinelProtectInterceptor;
-import org.springframework.http.HttpHeaders;
-import org.springframework.http.HttpStatus;
-import org.springframework.http.MediaType;
-import org.springframework.http.client.AbstractClientHttpResponse;
-
 /**
  * Using by {@link SentinelRestTemplate} and {@link SentinelProtectInterceptor}
+ *
  * @author <a href="mailto:fangjian0423@gmail.com">Jim</a>
  */
 public class SentinelClientHttpResponse extends AbstractClientHttpResponse {
 
-	private final String BLOCK_STR = "RestTemplate request block by sentinel";
+    private String blockResponse = "RestTemplate request block by sentinel";
+
+    public SentinelClientHttpResponse() {
+
+    }
+
+    public SentinelClientHttpResponse(String blockResponse) {
+        this.blockResponse = blockResponse;
+    }
 
     @Override
     public int getRawStatusCode() throws IOException {
@@ -46,7 +55,7 @@ public class SentinelClientHttpResponse extends AbstractClientHttpResponse {
 
     @Override
     public String getStatusText() throws IOException {
-		return BLOCK_STR;
+        return blockResponse;
     }
 
     @Override
@@ -56,7 +65,7 @@ public class SentinelClientHttpResponse extends AbstractClientHttpResponse {
 
     @Override
     public InputStream getBody() throws IOException {
-		return new ByteArrayInputStream(BLOCK_STR.getBytes());
+        return new ByteArrayInputStream(blockResponse.getBytes());
     }
 
     @Override