[java-i18n] isNonNlsCall: support qualified variable initializers (IDEA-247587)

GitOrigin-RevId: d2856d609eb5593438c9f1d1a3e7806d6314bb2d

plugins/java-i18n/src/com/intellij/codeInspection/i18n/I18nInspection.java

@@ -1050,8 +1050,8 @@ public class I18nInspection extends AbstractBaseUastLocalInspectionTool implemen
     ULocalVariable uVar = UastContextKt.toUElement(resolved, ULocalVariable.class);
     if (uVar != null) {
       UExpression initializer = uVar.getUastInitializer();
-      if (initializer instanceof UCallExpression) {
-        PsiMethod method = ((UCallExpression)initializer).resolve();
+      if (initializer instanceof UResolvable) {
+        PsiModifierListOwner method = ObjectUtils.tryCast(((UResolvable)initializer).resolve(), PsiModifierListOwner.class);
         if (method != null) {
           if (annotatedAsNonNls(method)) return true;
           nonNlsTargets.add(method);

plugins/java-i18n/testData/inspections/i18n/PropagateToInterfaceMethod.java

@@ -0,0 +1,22 @@
+import org.jetbrains.annotations.NonNls;
+
+class Test {
+    interface X {
+        @NonNls String getInterfaceString();
+    }
+
+    @NonNls String getLocalString() { return "s"; }
+
+    void test(X x){
+        final String s1 = x.getInterfaceString();
+        if (s1.equals("test")) {
+            System.out.println();
+        }
+
+        final String s2 = getLocalString();
+        if (s2.equals("test")) {
+            System.out.println();
+        }
+    }
+
+}

plugins/java-i18n/testSrc/com/intellij/codeInspection/i18n/I18NInspectionTest.java

@@ -61,6 +61,9 @@ public class I18NInspectionTest extends LightJavaCodeInsightFixtureTestCase {
     myTool.setNonNlsCommentPattern("MYNON-NLS");
     doTest();
   }
+  public void testPropagateToInterfaceMethod() {
+    doTest();
+  }
 
   public void testNlsOnly() {
     doTestNlsMode();