From 0a32a830ab42346775604372bc0e52942091b5be Mon Sep 17 00:00:00 2001
From: danglotb <bdanglot@gmail.com>
Date: Wed, 5 Sep 2018 11:23:53 +0200
Subject: [PATCH] fix: checks if the literal is a String

---
 .../java/eu/stamp_project/utils/AmplificationHelper.java   | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/dspot/src/main/java/eu/stamp_project/utils/AmplificationHelper.java b/dspot/src/main/java/eu/stamp_project/utils/AmplificationHelper.java
index 2bd8997b0..624de2f4b 100644
--- a/dspot/src/main/java/eu/stamp_project/utils/AmplificationHelper.java
+++ b/dspot/src/main/java/eu/stamp_project/utils/AmplificationHelper.java
@@ -85,10 +85,11 @@ public boolean matches(CtTypeReference element) {
                 }
             }).forEach(ctTypeReference -> ctTypeReference.setSimpleName(getAmplifiedName(classTest)));
             // need to update also all the String literals
-            amplifiedTest.getElements(new TypeFilter<CtLiteral<String>>(CtLiteral.class) {
+            amplifiedTest.getElements(new TypeFilter<CtLiteral>(CtLiteral.class) {
                 @Override
-                public boolean matches(CtLiteral<String> element) {
-                    return element.getValue().contains(classTest.getSimpleName());
+                public boolean matches(CtLiteral element) {
+                    return element.getValue() instanceof String &&
+                            ((String)element.getValue()).contains(classTest.getSimpleName());
                 }
             }).forEach(stringCtLiteral ->
                     stringCtLiteral.setValue(stringCtLiteral.getValue().replaceAll(classTest.getSimpleName(), amplifiedName))