fixing REST action bug

Author: jprante

README.adoc

@@ -89,6 +89,7 @@ Here is a list of languages code recognized:
 [frame="all"]
 |===
 | Plugin version | Elasticsearch version | Release date
+| 5.3.0.1        | 5.3.0 | Apr  1, 2017
 | 5.3.0.0        | 5.3.0 | Mar 30, 2017
 | 5.2.2.0        | 5.2.2 | Mar  2, 2017
 | 5.2.1.0        | 5.2.1 | Mar  2, 2017
@@ -120,7 +121,7 @@ Here is a list of languages code recognized:
 
 [source]
 ----
-./bin/elasticsearch-plugin install http://xbib.org/repository/org/xbib/elasticsearch/plugin/elasticsearch-langdetect/5.3.0.0/elasticsearch-langdetect-5.3.0.0-plugin.zip
+./bin/elasticsearch-plugin install http://xbib.org/repository/org/xbib/elasticsearch/plugin/elasticsearch-langdetect/5.3.0.1/elasticsearch-langdetect-5.3.0.1-plugin.zip
 ----
 
 ### Elasticsearch 2.x

gradle.properties

@@ -1,6 +1,6 @@
 group = org.xbib.elasticsearch.plugin
 name = elasticsearch-langdetect
-version = 5.3.0.0
+version = 5.3.0.1
 
 elasticsearch.version = 5.3.0
 log4j.version = 2.8

src/main/java/org/xbib/elasticsearch/action/langdetect/LangdetectResponse.java

@@ -43,6 +43,7 @@ public LangdetectResponse setLanguages(List<Language> languages) {
 
     @Override
     public XContentBuilder toXContent(XContentBuilder builder, ToXContent.Params params) throws IOException {
+        builder.startObject();
         if (!Strings.isNullOrEmpty(profile)) {
             builder.field("profile", profile);
         }
@@ -52,6 +53,7 @@ public XContentBuilder toXContent(XContentBuilder builder, ToXContent.Params par
                     .field("probability", lang.getProbability()).endObject();
         }
         builder.endArray();
+        builder.endObject();
         return builder;
     }
 

src/main/java/org/xbib/elasticsearch/rest/action/langdetect/RestLangdetectAction.java

@@ -12,6 +12,7 @@
 
 import java.io.IOException;
 
+import static org.elasticsearch.rest.RestRequest.Method.GET;
 import static org.elasticsearch.rest.RestRequest.Method.POST;
 
 /**
@@ -22,6 +23,7 @@ public class RestLangdetectAction extends BaseRestHandler {
     @Inject
     public RestLangdetectAction(Settings settings, RestController controller) {
         super(settings);
+        controller.registerHandler(GET, "/_langdetect", this);
         controller.registerHandler(POST, "/_langdetect", this);
     }