StreamToLoopInspection: handle some if/ifPresent cases

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamToLoop/afterAllMatchIf.java

@@ -6,19 +6,19 @@ import static java.util.Arrays.asList;
 
 public class Main {
   public static void test(List<List<String>> list) {
-      boolean allMatch = true;
+      boolean b = true;
       OUTER:
       for (List<String> x : list) {
           if (x != null) {
               for (String s : x) {
                   if (!s.startsWith("a")) {
-                      allMatch = false;
+                      b = false;
                       break OUTER;
                   }
               }
           }
       }
-      if(allMatch) {
+      if(b) {
       System.out.println("ok");
     }
   }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamToLoop/afterIf.java

@@ -5,18 +5,14 @@ import java.util.List;
 
 public class Main {
   private static void test(List<String> list) {
-      boolean found = false;
       for (String x : list) {
           if (x != null) {
               if (x.startsWith("x")) {
-                  found = true;
+                  System.out.println("Ok!");
                   break;
               }
           }
       }
-      if(found) {
-      System.out.println("Ok!");
-    }
   }
 
   public static void main(String[] args) {

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamToLoop/afterIfPresent.java

@@ -0,0 +1,19 @@
+// "Replace Stream API chain with loop" "true"
+
+import java.util.Arrays;
+import java.util.List;
+
+public class Main {
+  private static void test(List<String> list) {
+      for (String str : list) {
+          if (str.contains("x")) {
+              System.out.println(str);
+              break;
+          }
+      }
+  }
+
+  public static void main(String[] args) {
+    test(Arrays.asList("a", "b", "syz"));
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamToLoop/afterSuperClassOk.java

@@ -13,14 +13,14 @@ public class Main {
     // cannot replace as replacement would generate a statement before "super" call
     Child() {
       super(false);
-        boolean found = false;
+        boolean b = false;
         for (String s : Arrays.asList("a", "b", "c")) {
             if (Objects.nonNull(s)) {
-                found = true;
+                b = true;
                 break;
             }
         }
-        super.test(found);
+        super.test(b);
     }
   }
 }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamToLoop/beforeIfPresent.java

@@ -0,0 +1,14 @@
+// "Replace Stream API chain with loop" "true"
+
+import java.util.Arrays;
+import java.util.List;
+
+public class Main {
+  private static void test(List<String> list) {
+    list.stream().filter(str -> str.contains("x")).fin<caret>dFirst().ifPresent(System.out::println);
+  }
+
+  public static void main(String[] args) {
+    test(Arrays.asList("a", "b", "syz"));
+  }
+}