Code format (#11548)

* Code format

* Merge branch 'master' into code-format

server/src/main/java/com/vaadin/data/converter/StringToUuidConverter.java

  * Leading and trailing white spaces are ignored when converting from a String.
  * </p>
  * <p>
- * The String representation uses the canonical format of 32-characters with a hyphen
- * to separate each of five groups of hexadecimal digits as defined in:
+ * The String representation uses the canonical format of 32-characters with a
+ * hyphen to separate each of five groups of hexadecimal digits as defined in:
  * RFC 4122: A Universally Unique IDentifier (UUID) URN Namespace
  * http://www.ietf.org/rfc/rfc4122.txt
  * </p>
  * @author Vaadin Ltd
  * @since 8.8
  */
-public class StringToUuidConverter implements Converter <String, UUID> {
+public class StringToUuidConverter implements Converter<String, UUID> {
 
     private ErrorMessageProvider errorMessageProvider;
 
     /**
      * Constructs a converter for String to UUID and back.
      *
-     * @param errorMessage the error message to use if conversion fails
+     * @param errorMessage
+     *            the error message to use if conversion fails
      */
     public StringToUuidConverter(String errorMessage) {
         this(ctx -> errorMessage);
     }
 
     /**
-     * Constructs a new converter instance with the given error message provider.
-     * Empty strings are converted to <code>null</code>.
+     * Constructs a new converter instance with the given error message
+     * provider. Empty strings are converted to <code>null</code>.
      *
-     * @param errorMessageProvider the error message provider to use if conversion fails
+     * @param errorMessageProvider
+     *            the error message provider to use if conversion fails
      */
     public StringToUuidConverter(ErrorMessageProvider errorMessageProvider) {
         this.errorMessageProvider = errorMessageProvider;
     }
 
     @Override
-    public Result <UUID> convertToModel(String value, ValueContext context) {
+    public Result<UUID> convertToModel(String value, ValueContext context) {
         if (value == null) {
-            return Result.ok( null );
+            return Result.ok(null);
         }
 
         // Remove leading and trailing white space
         }
 
         if (null != uuid) {
-            return Result.ok(uuid);  // Return the UUID object, converted from String.
+            return Result.ok(uuid); // Return the UUID object, converted from
+                                    // String.
         } else {
-            return Result.error( this.errorMessageProvider.apply(context) );
+            return Result.error(this.errorMessageProvider.apply(context));
         }
     }
 
     @Override
-    public String convertToPresentation (UUID value, ValueContext context) {
-        if ( value == null ) {
+    public String convertToPresentation(UUID value, ValueContext context) {
+        if (value == null) {
             return null;
         }
         // `java.util.UUID::toString` generates a textual representation of a
         // UUID’s 128-bits as a lowercase hexadecimal `String` in canonical
         // 32-character format with four hyphens separating groups of digits.
         // https://docs.oracle.com/javase/10/docs/api/java/util/UUID.html#toString()
-       return value.toString();
+        return value.toString();
     }
 }

server/src/main/java/com/vaadin/server/BrowserWindowOpener.java

      * Creates a window opener that will open windows containing the provided UI
      * class.
      * <p>
-     * Note: The new UI instance will not work with dependency injection (CDI and
-     * Spring). Use {@link BrowserWindowOpener(String)} instead.
-     * {@code VaadinServlet.getCurrent().getServletContext().getContextPath()} gives 
-     * the current context path.
-     * 
+     * Note: The new UI instance will not work with dependency injection (CDI
+     * and Spring). Use {@link BrowserWindowOpener(String)} instead.
+     * {@code VaadinServlet.getCurrent().getServletContext().getContextPath()}
+     * gives the current context path.
+     *
      * @param uiClass
      *            the UI class that should be opened when the extended component
      *            is clicked
      * <p>
      * Note: The new UI instance will not work with dependency injection (CDI
      * and Spring). Use {@link BrowserWindowOpener(String)} instead.
-     * {@code VaadinServlet.getCurrent().getServletContext().getContextPath()} gives 
-     * the current context path.
+     * {@code VaadinServlet.getCurrent().getServletContext().getContextPath()}
+     * gives the current context path.
      *
      * @param uiClass
      *            the UI class that should be opened when the extended component

server/src/main/java/com/vaadin/ui/ComboBox.java

                 .test(getItemCaptionOfItem(item), filterText));
     }
 
-    // Helper method for the above to make lambda more readable            
+    // Helper method for the above to make lambda more readable
     private String getItemCaptionOfItem(T item) {
         String caption = getItemCaptionGenerator().apply(item);
         if (caption == null) {
             caption = "";
-        }    
+        }
         return caption;
     }
-                
+
     /**
      * Sets the data items of this listing and a simple string filter with which
      * the item string and the text the user has input are compared.

server/src/main/java/com/vaadin/ui/Grid.java

         }
 
         /**
-         * Returns the width (in pixels). By default a column width is 
+         * Returns the width (in pixels). By default a column width is
          * {@value com.vaadin.shared.ui.grid.GridConstants#DEFAULT_COLUMN_WIDTH_PX}
          * (undefined).
          *
      * @param nestedNullBehavior
      *            the behavior when
      * @return the newly added column, not <code>null</code>
-     * 
+     *
      * @since 8.8
      */
     public Column<T, ?> addColumn(String propertyName,

server/src/main/java/com/vaadin/ui/Slider.java

     }
 
     /**
-     * Sets the slider to update its value when the user clicks on it.
-     * By default, the slider value is updated by dragging the slider's handle
-     * or clicking arrows.
+     * Sets the slider to update its value when the user clicks on it. By
+     * default, the slider value is updated by dragging the slider's handle or
+     * clicking arrows.
      *
      * @param updateValueOnClick
      *            {@code true} to update the value of the slider on click,

server/src/test/java/com/vaadin/server/CustomJSONSerializerTest.java

 import elemental.json.JsonValue;
 
 public class CustomJSONSerializerTest {
-    
+
     public static class Foo {
 
     }

uitest/src/main/java/com/vaadin/tests/components/panel/PanelHTMLCaption.java

         changeCaptionFormat.setId("buttonId");
         addComponent(changeCaptionFormat);
     }
-}
+}

uitest/src/test/java/com/vaadin/tests/components/combobox/ComboBoxSelectingNewItemValueChangeTest.java

             SelectionType selectionType) {
         // clear() would cause an additional value change in chrome 70+
         // since it always makes blur after clear()
-        comboBoxElement.sendKeys(Keys.BACK_SPACE, Keys.BACK_SPACE, Keys.BACK_SPACE);
+        comboBoxElement.sendKeys(Keys.BACK_SPACE, Keys.BACK_SPACE,
+                Keys.BACK_SPACE);
         sendKeysToInput(input);
         switch (selectionType) {
         case ENTER:

uitest/src/test/java/com/vaadin/tests/components/panel/PanelHTMLCaptionTest.java

 import org.junit.Test;
 import org.openqa.selenium.By;
 
-
 public class PanelHTMLCaptionTest extends MultiBrowserTest {
     @Test
     public void testCaptionDisplayedAsText() {

uitest/src/test/java/com/vaadin/tests/components/slider/SliderHandleBaseClickTest.java

         sleep(100);
         assertEquals(String.format(
                 "Slider value should not have changed. Expected 3.0 , but was %f",
-                getSliderValue()), 3.0,getSliderValue(), 0.0);
+                getSliderValue()), 3.0, getSliderValue(), 0.0);
         // Enable click event handling
         findElement(By.id("toggleHandling")).click();
     }

uitest/src/test/java/com/vaadin/tests/components/window/WindowHeaderButtonKeyboardActionsTest.java

                 closeButton.equals(driver.switchTo().activeElement()));
 
         pressKeyAndWait(Keys.ENTER);
-        assertTrue(
-                "Window is not closed when focus is shifted back-and-forth",
+        assertTrue("Window is not closed when focus is shifted back-and-forth",
                 findElements(By.className("v-window")).size() == 0);
     }
 

uitest/src/test/java/com/vaadin/v7/tests/components/grid/basicfeatures/server/GridIndexedContainerInsertSelectTest.java

     }
 
     /**
-     * Test asserting that issue https://github.com/vaadin/framework/issues/11477
-     * is fixed.
+     * Test asserting that issue
+     * https://github.com/vaadin/framework/issues/11477 is fixed.
      */
     @Test
     public void test_insertRowAfterSelected_newRowIsSelected() {