[java-refactoring] isFirstUse: handle static method qualifier

Fixes IDEA-356148 Inlining method creates undesirable temporary variable


(cherry picked from commit 34091cb3a6c6388b2086d92e8cd4b206b9250202)

IJ-CR-149087

GitOrigin-RevId: 5d38476c8ff706eb180c628d7b481d0f7b00c7ff

java/java-impl-refactorings/src/com/intellij/refactoring/util/InlineUtil.java

@@ -543,7 +543,11 @@ public final class InlineUtil implements CommonJavaInlineUtil {
         if (!(list.getParent() instanceof PsiCallExpression call)) return false;
         PsiExpression qualifier = call instanceof PsiMethodCallExpression methodCall ? methodCall.getMethodExpression().getQualifierExpression() :
                                   call instanceof PsiNewExpression newExpression ? newExpression.getQualifier() : null;
-        if (qualifier != null && !ExpressionUtils.isSafelyRecomputableExpression(qualifier)) return false;
+        if (qualifier != null &&
+            !(ExpressionUtils.isSafelyRecomputableExpression(qualifier) ||
+              qualifier instanceof PsiReferenceExpression qualifierRef && qualifierRef.resolve() instanceof PsiClass)) {
+          return false;
+        }
         cur = call;
       } else if (parent instanceof PsiAssignmentExpression assign && assign.getRExpression() == cur) {
         PsiExpression lExpression = assign.getLExpression();

java/java-tests/testData/refactoring/inlineMethod/InlineNestedCall.java

@@ -0,0 +1,22 @@
+import java.util.*;
+
+// IDEA-356148
+public class Example {
+
+  public void example() {
+
+    final Map<String, Object> map = Map.of();
+    if (<caret>test((String)map.get("whatever"))) {
+      System.out.println("??");
+    }
+
+    final Object obj = "foo";
+    if (test((String)obj)) {
+      System.out.println("??");
+    }
+  }
+
+  private boolean test(final String str) {
+    return Objects.isNull(str);
+  }
+}

java/java-tests/testData/refactoring/inlineMethod/InlineNestedCall.java.after

@@ -0,0 +1,19 @@
+import java.util.*;
+
+// IDEA-356148
+public class Example {
+
+  public void example() {
+
+    final Map<String, Object> map = Map.of();
+      if (Objects.isNull((String) map.get("whatever"))) {
+      System.out.println("??");
+    }
+
+    final Object obj = "foo";
+      if (Objects.isNull((String) obj)) {
+      System.out.println("??");
+    }
+  }
+
+}

java/java-tests/testSrc/com/intellij/java/refactoring/inline/InlineMethodTest.java

@@ -580,6 +580,7 @@ public class InlineMethodTest extends LightRefactoringTestCase {
   public void testAndChainLambdaSingleLine() { doTest(); }
 
   public void testInlineDoubleCall() { doTest(); }
+  public void testInlineNestedCall() { doTest(); }
 
   public void testTernaryBranch() { doTest(); }
   public void testTernaryBranchCollapsible() { doTest(); }