Add getCode for error.

Author: lm2343635

build.gradle

@@ -45,7 +45,7 @@ publishing {
 
     publications {
         maven(MavenPublication) {
-            version '0.1.1'
+            version '0.1.2'
             group 'org.mushare'
             from components.java
         }

src/main/java/org/mushare/pluto/exception/PlutoError.java

@@ -4,8 +4,13 @@ public class PlutoError extends Error {
 
     private PlutoErrorCode code;
 
+    public PlutoErrorCode getCode() {
+        return code;
+    }
+
     public PlutoError(PlutoErrorCode code) {
         super(code.toString());
         this.code = code;
     }
+
 }

src/main/java/org/mushare/pluto/exception/PlutoException.java

@@ -1,6 +1,6 @@
 package org.mushare.pluto.exception;
 
-public class PlutoException extends RuntimeException {
+public class PlutoException extends Exception {
 
     private final PlutoError error;