Use StringBuilder instead of StringBuffer (#10154)

7 files changed, 9 insertions, 9 deletions

diff --git a/uitest/src/main/java/com/vaadin/tests/TestForContainerFilterable.java b/uitest/src/main/java/com/vaadin/tests/TestForContainerFilterable.java
index 0f4c0440ea..f5a8f1a72f 100644
--- a/uitest/src/main/java/com/vaadin/tests/TestForContainerFilterable.java
+++ b/uitest/src/main/java/com/vaadin/tests/TestForContainerFilterable.java
@@ -100,7 +100,7 @@ public class TestForContainerFilterable extends CustomComponent {
 
     private String randomWord() {
         int len = (int) (Math.random() * 4);
-        final StringBuffer buf = new StringBuffer();
+        final StringBuilder buf = new StringBuilder();
         while (len-- >= 0) {
             buf.append(parts[(int) (Math.random() * parts.length)]);
         }
diff --git a/uitest/src/main/java/com/vaadin/tests/TestForStyledUpload.java b/uitest/src/main/java/com/vaadin/tests/TestForStyledUpload.java
index 9da1e2250e..6894eec2e3 100644
--- a/uitest/src/main/java/com/vaadin/tests/TestForStyledUpload.java
+++ b/uitest/src/main/java/com/vaadin/tests/TestForStyledUpload.java
@@ -156,7 +156,7 @@ public class TestForStyledUpload extends LegacyApplication
     }
 
     public void readState() {
-        final StringBuffer sb = new StringBuffer();
+        final StringBuilder sb = new StringBuilder();
 
         if (up.isUploading()) {
             sb.append("Uploading...");
@@ -293,7 +293,7 @@ public class TestForStyledUpload extends LegacyApplication
 
     private void refreshMemUsage() {
         // memoryStatus.setValue("Not available in Java 1.4");
-        StringBuffer mem = new StringBuffer();
+        StringBuilder mem = new StringBuilder();
         MemoryMXBean mmBean = ManagementFactory.getMemoryMXBean();
         mem.append("Heap (M):");
         mem.append(mmBean.getHeapMemoryUsage().getUsed() / 1048576);
diff --git a/uitest/src/main/java/com/vaadin/tests/TestForUpload.java b/uitest/src/main/java/com/vaadin/tests/TestForUpload.java
index 22ece0d45a..31dff4e350 100644
--- a/uitest/src/main/java/com/vaadin/tests/TestForUpload.java
+++ b/uitest/src/main/java/com/vaadin/tests/TestForUpload.java
@@ -273,7 +273,7 @@ public class TestForUpload extends CustomComponent
     }
 
     public void readState() {
-        final StringBuffer sb = new StringBuffer();
+        final StringBuilder sb = new StringBuilder();
 
         if (up.isUploading()) {
             sb.append("Uploading...");
@@ -442,7 +442,7 @@ public class TestForUpload extends CustomComponent
     private void refreshMemUsage() {
         memoryStatus.setValue("Not available in Java 1.4");
 
-        StringBuffer mem = new StringBuffer();
+        StringBuilder mem = new StringBuilder();
         MemoryMXBean mmBean = ManagementFactory.getMemoryMXBean();
         mem.append("Heap (M):");
         mem.append(mmBean.getHeapMemoryUsage().getUsed() / 1048576);
diff --git a/uitest/src/main/java/com/vaadin/tests/TestSizeableIncomponents.java b/uitest/src/main/java/com/vaadin/tests/TestSizeableIncomponents.java
index 95602fb78b..31ecf12927 100644
--- a/uitest/src/main/java/com/vaadin/tests/TestSizeableIncomponents.java
+++ b/uitest/src/main/java/com/vaadin/tests/TestSizeableIncomponents.java
@@ -235,7 +235,7 @@ public class TestSizeableIncomponents extends LegacyApplication {
         }
 
         public String getTestableName() {
-            StringBuffer sb = new StringBuffer();
+            StringBuilder sb = new StringBuilder();
             sb.append(classToTest.getName().replaceAll("com.vaadin.ui.", ""));
             sb.append('[');
             for (Iterator<Configuration> i = configurations.iterator(); i
diff --git a/uitest/src/main/java/com/vaadin/tests/components/table/HiddenColumnsExpandRatios.java b/uitest/src/main/java/com/vaadin/tests/components/table/HiddenColumnsExpandRatios.java
index af091b9036..e51facb6d9 100644
--- a/uitest/src/main/java/com/vaadin/tests/components/table/HiddenColumnsExpandRatios.java
+++ b/uitest/src/main/java/com/vaadin/tests/components/table/HiddenColumnsExpandRatios.java
@@ -53,7 +53,7 @@ public class HiddenColumnsExpandRatios extends TestBase {
 
     private String genValue() {
         Random rnd = new Random();
-        StringBuffer str = new StringBuffer();
+        StringBuilder str = new StringBuilder();
         String[] strings = { "foo", "bar", "baz" };
         for (int i = 0; i < 5; i++) {
             str.append(strings[Math.abs(rnd.nextInt() % strings.length)])
diff --git a/uitest/src/main/java/com/vaadin/tests/components/tabsheet/TabSheetIndexOperations.java b/uitest/src/main/java/com/vaadin/tests/components/tabsheet/TabSheetIndexOperations.java
index 8e6b17d81e..3426cb1b7e 100644
--- a/uitest/src/main/java/com/vaadin/tests/components/tabsheet/TabSheetIndexOperations.java
+++ b/uitest/src/main/java/com/vaadin/tests/components/tabsheet/TabSheetIndexOperations.java
@@ -38,7 +38,7 @@ public class TabSheetIndexOperations extends TestBase {
                     @Override
                     public void buttonClick(ClickEvent event) {
                         Tab tab = tabs.getTab(2);
-                        tab.setCaption(new StringBuffer(tab.getCaption())
+                        tab.setCaption(new StringBuilder(tab.getCaption())
                                 .reverse().toString());
                     }
                 });
diff --git a/uitest/src/main/java/com/vaadin/tests/util/LogPrintWriter.java b/uitest/src/main/java/com/vaadin/tests/util/LogPrintWriter.java
index 2d11a94598..76c5ad8f55 100644
--- a/uitest/src/main/java/com/vaadin/tests/util/LogPrintWriter.java
+++ b/uitest/src/main/java/com/vaadin/tests/util/LogPrintWriter.java
@@ -9,7 +9,7 @@ import java.io.Writer;
  */
 public class LogPrintWriter extends PrintWriter {
 
-    private final StringBuffer result = new StringBuffer(256);
+    private final StringBuilder result = new StringBuilder(256);
 
     public LogPrintWriter(Writer out) {
         super(out);