detect generated method name: allow annotations with parameters (IDEA-167480)

java/java-tests/testData/codeInsight/generateToString/afterAnnotationOnMethod.java

@@ -1,5 +1,5 @@
 class Test {
-    @NotNull
+    @NotNull()
     public String toString() {
         return null;
     }

java/java-tests/testSrc/com/intellij/codeInsight/GenerateToStringTest.java

@@ -30,7 +30,7 @@ import java.util.Collections;
 public class GenerateToStringTest extends LightCodeInsightTestCase {
 
   public void testAnnotationOnMethod() throws Exception {
-    doTest(new TemplateResource("a.java", "@NotNull public String toString() {return null;}", false));
+    doTest(new TemplateResource("a.java", "@NotNull() public String toString() {return null;}", false));
   }
 
   public void testJavadocOnMethod() throws Exception {

plugins/generate-tostring/src/org/jetbrains/java/generate/template/TemplateResource.java

@@ -87,7 +87,7 @@ public class TemplateResource implements Serializable {
             return null;
         }
 
-        int i = s.indexOf(token);
+        int i = s.lastIndexOf(token);
         if (i == -1) {
             return s;
         }