extract method object: conditional exit; nullable check should be processed separately ( IDEA-52452 )

java/java-tests/testData/refactoring/extractMethodObject/multipleExitPoints/ConditionalExit.java

@@ -0,0 +1,9 @@
+class Foo {
+  String foo() {
+    <selection>String var = null;
+    if (var == null) {
+      return "";
+    }</selection>
+    System.out.println(var);
+  }
+}

java/java-tests/testData/refactoring/extractMethodObject/multipleExitPoints/ConditionalExit.java.after

@@ -0,0 +1,31 @@
+class Foo {
+  String foo() {
+      Inner inner = new Inner().invoke();
+      if (inner.is()) return "";
+      String var = inner.getVar();
+    System.out.println(var);
+  }
+
+    private class Inner {
+        private boolean myResult;
+        private String var;
+
+        boolean is() {
+            return myResult;
+        }
+
+        public String getVar() {
+            return var;
+        }
+
+        public Inner invoke() {
+            var = null;
+            if (var == null) {
+                myResult = true;
+                return this;
+            }
+            myResult = false;
+            return this;
+        }
+    }
+}

java/java-tests/testData/refactoring/extractMethodObject/multipleExitPoints/OutputVariable.java

@@ -0,0 +1,9 @@
+class Foo {
+  String foo() {
+    <selection>String var = "";
+    if (var == null) {
+      return null;
+    }</selection>
+    System.out.println(var);
+  }
+}

java/java-tests/testData/refactoring/extractMethodObject/multipleExitPoints/OutputVariable.java.after

@@ -0,0 +1,31 @@
+class Foo {
+  String foo() {
+      Inner inner = new Inner().invoke();
+      String var = inner.getVar();
+      if (var == null) return null;
+    System.out.println(var);
+  }
+
+    private class Inner {
+        private boolean myResult;
+        private String var;
+
+        boolean is() {
+            return myResult;
+        }
+
+        public String getVar() {
+            return var;
+        }
+
+        public Inner invoke() {
+            var = "";
+            if (var == null) {
+                myResult = true;
+                return this;
+            }
+            myResult = false;
+            return this;
+        }
+    }
+}