extract method object: process parameters as output variables (IDEA-162642)

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

@@ -0,0 +1,34 @@
+
+import java.util.Arrays;
+import java.util.List;
+
+class Foo {
+  private List<Foo> foos = Arrays.asList(new Foo("one"), new Foo("two"));
+
+  private String name;
+
+  public Foo(String name) {
+    this.name = name;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public List<Foo> getFoos() {
+    return foos;
+  }
+
+  public Foo getFoo(String name) {
+    if (name != null)
+      <selection>for (Foo foo : getFoos())
+        if (foo.getName().equals(name)) {
+          return foo;
+        }</selection>
+
+
+
+    return null;
+  }
+
+}

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

@@ -0,0 +1,59 @@
+
+import java.util.Arrays;
+import java.util.List;
+
+class Foo {
+  private List<Foo> foos = Arrays.asList(new Foo("one"), new Foo("two"));
+
+  private String name;
+
+  public Foo(String name) {
+    this.name = name;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public List<Foo> getFoos() {
+    return foos;
+  }
+
+  public Foo getFoo(String name) {
+    if (name != null)
+        Inner inner = new Inner(name).invoke();if (inner.is()) return inner.getFoo();
+
+
+      return null;
+  }
+
+    private class Inner {
+        private boolean myResult;
+        private String name;
+        private Foo foo;
+
+        public Inner(String name) {
+            this.name = name;
+        }
+
+        boolean is() {
+            return myResult;
+        }
+
+        public Foo getFoo() {
+            return foo;
+        }
+
+        public Inner invoke() {
+            for (Foo foo : getFoos()) {
+                Inner.this.foo = foo;
+                if (foo.getName().equals(name)) {
+                    myResult = true;
+                    return this;
+                }
+            }
+            myResult = false;
+            return this;
+        }
+    }
+}