getParsed NullPointerException / Version 7

app/src/main/java/de/sebse/fuplanner/tools/network/Result.java

@@ -5,19 +5,24 @@ import com.android.volley.toolbox.HttpHeaderParser;
 import java.io.UnsupportedEncodingException;
 import java.util.Map;
 
+import androidx.annotation.Nullable;
+
 /**
  * Created by sebastian on 24.10.17.
  */
 public class Result {
-    private final byte[] body;
+    @Nullable private final byte[] body;
     private final Map<String, String> headers;
 
-    public Result(byte[] body, Map<String, String> headers) {
+    Result(@Nullable byte[] body, Map<String, String> headers) {
         this.body = body;
         this.headers = headers;
     }
 
+    @Nullable
     public String getParsed() {
+        if (this.body == null)
+            return null;
         try {
             return new String(this.body, HttpHeaderParser.parseCharset(headers));
         } catch (UnsupportedEncodingException e) {
@@ -25,6 +30,7 @@ public class Result {
         }
     }
 
+    @Nullable
     public byte[] getBytes() {
         return body;
     }