Merge pull request #20 from yury-awesome/bugfix/empty-json-error

Fix: no String-argument constructor/factory method to deserialize from String value ('')

Author: yury-awesome

pom.xml

@@ -5,7 +5,7 @@
 
     <groupId>com.github.meituan-dianping.lyrebird.sdk</groupId>
     <artifactId>lyrebird-java-client</artifactId>
-    <version>1.1.2</version>
+    <version>1.1.3</version>
 
     <name>lyrebird-java-client</name>
     <url>https://github.com/Meituan-Dianping/lyrebird-java-client</url>

src/main/java/com/meituan/lyrebird/client/LyrebirdClient.java

@@ -1,5 +1,7 @@
 package com.meituan.lyrebird.client;
 
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.meituan.lyrebird.client.api.bandwidth.Bandwidth;
 import com.meituan.lyrebird.client.api.bandwidth.BandwidthTemplate;
 import com.meituan.lyrebird.client.api.bandwidth.SpeedLimit;
@@ -19,10 +21,12 @@ public class LyrebirdClient {
     private Socket socket;
 
     public LyrebirdClient(String lyrebirdRemoteAddress) {
+        ObjectMapper mapper = new ObjectMapper();
+        mapper.enable(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT);
         Retrofit retrofit = new Retrofit
                 .Builder()
                 .baseUrl(lyrebirdRemoteAddress)
-                .addConverterFactory(JacksonConverterFactory.create())
+                .addConverterFactory(JacksonConverterFactory.create(mapper))
                 .build();
         lyrebirdService = retrofit.create(LyrebirdService.class);
     }