Use StandardCharsets.UTF_8 (#10113)

4 files changed, 12 insertions, 12 deletions

diff --git a/uitest/src/main/java/com/vaadin/tests/components/browserframe/BrowserFrameIsVisible.java b/uitest/src/main/java/com/vaadin/tests/components/browserframe/BrowserFrameIsVisible.java
index 898e01cb0c..e6fd9791b4 100644
--- a/uitest/src/main/java/com/vaadin/tests/components/browserframe/BrowserFrameIsVisible.java
+++ b/uitest/src/main/java/com/vaadin/tests/components/browserframe/BrowserFrameIsVisible.java
@@ -1,8 +1,9 @@
 package com.vaadin.tests.components.browserframe;
 
+import static java.nio.charset.StandardCharsets.UTF_8;
+
 import java.io.ByteArrayInputStream;
 import java.io.InputStream;
-import java.io.UnsupportedEncodingException;
 
 import com.vaadin.server.StreamResource;
 import com.vaadin.tests.components.TestBase;
@@ -100,13 +101,7 @@ public class BrowserFrameIsVisible extends TestBase {
                 sb.append("\n");
             }
 
-            try {
-                return new ByteArrayInputStream(
-                        sb.toString().getBytes("UTF-8"));
-            } catch (UnsupportedEncodingException e) {
-                e.printStackTrace();
-                return null;
-            }
+            return new ByteArrayInputStream(sb.toString().getBytes(UTF_8));
         }
     }
 
diff --git a/uitest/src/main/java/com/vaadin/tests/components/customlayout/CustomLayoutWithMissingSlot.java b/uitest/src/main/java/com/vaadin/tests/components/customlayout/CustomLayoutWithMissingSlot.java
index ba5c468a44..d108e2b457 100644
--- a/uitest/src/main/java/com/vaadin/tests/components/customlayout/CustomLayoutWithMissingSlot.java
+++ b/uitest/src/main/java/com/vaadin/tests/components/customlayout/CustomLayoutWithMissingSlot.java
@@ -15,6 +15,8 @@
  */
 package com.vaadin.tests.components.customlayout;
 
+import static java.nio.charset.StandardCharsets.UTF_8;
+
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 
@@ -34,7 +36,7 @@ public class CustomLayoutWithMissingSlot extends AbstractTestUIWithLog {
         try {
             cl = new CustomLayout(new ByteArrayInputStream(
                     "<div>First: <div location='first'></div><p>Second: <div location='second'></div><p>"
-                            .getBytes("UTF-8")));
+                            .getBytes(UTF_8)));
             cl.addComponent(new TextField("This should be visible"), "first");
             Button button = new Button(
                     "This button is visible, together with one label");
diff --git a/uitest/src/main/java/com/vaadin/tests/components/window/WindowCloseShortcuts.java b/uitest/src/main/java/com/vaadin/tests/components/window/WindowCloseShortcuts.java
index c2b7cbf91c..43307223ad 100644
--- a/uitest/src/main/java/com/vaadin/tests/components/window/WindowCloseShortcuts.java
+++ b/uitest/src/main/java/com/vaadin/tests/components/window/WindowCloseShortcuts.java
@@ -15,6 +15,8 @@
  */
 package com.vaadin.tests.components.window;
 
+import static java.nio.charset.StandardCharsets.UTF_8;
+
 import java.io.ByteArrayOutputStream;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -145,7 +147,7 @@ public class WindowCloseShortcuts extends AbstractTestUI {
             DesignContext dc = new DesignContext();
             dc.setRootComponent(window);
             Design.write(dc, outputStream);
-            design = outputStream.toString("UTF-8");
+            design = outputStream.toString(UTF_8.name());
         } catch (Exception e) {
             return;
         }
diff --git a/uitest/src/main/java/com/vaadin/tests/declarative/DeclarativeEditor.java b/uitest/src/main/java/com/vaadin/tests/declarative/DeclarativeEditor.java
index e0c5c899b2..cab0e68f06 100644
--- a/uitest/src/main/java/com/vaadin/tests/declarative/DeclarativeEditor.java
+++ b/uitest/src/main/java/com/vaadin/tests/declarative/DeclarativeEditor.java
@@ -15,6 +15,8 @@
  */
 package com.vaadin.tests.declarative;
 
+import static java.nio.charset.StandardCharsets.UTF_8;
+
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
@@ -95,12 +97,11 @@ public class DeclarativeEditor extends UI {
         try {
             Design.write(treeHolder.getComponent(0), o);
             disableEvents = true;
-            editor.setValue(o.toString("UTF-8"));
+            editor.setValue(o.toString(UTF_8.name()));
             disableEvents = false;
         } catch (IOException e1) {
             e1.printStackTrace();
         }
-
     }
 
     private void addValueChangeListeners(Component component) {