From: Kevin Lamonte <kevin.lamonte@gmail.com>
Date: Thu, 2 Apr 2015 17:44:56 +0000 (-0400)
Subject: checkstyle sweep
X-Git-Url: https://git.nikiroo.be/?a=commitdiff_plain;h=329fd62e4acdaa8e9f4cccd518d47c0b07e79f51;p=nikiroo-utils.git

checkstyle sweep
---

diff --git a/src/jexer/TApplication.java b/src/jexer/TApplication.java
index 5156628..d06d0d6 100644
--- a/src/jexer/TApplication.java
+++ b/src/jexer/TApplication.java
@@ -89,7 +89,7 @@ public class TApplication implements Runnable {
         ECMA48,
 
         /**
-         * Synonym for ECMA48
+         * Synonym for ECMA48.
          */
         XTERM
     }
@@ -518,6 +518,10 @@ public class TApplication implements Runnable {
             // Fall through...
         case ECMA48:
             backend = new ECMA48Backend(this, null, null);
+            break;
+        default:
+            throw new IllegalArgumentException("Invalid backend type: "
+                + backendType);
         }
         TApplicationImpl();
     }
@@ -1003,7 +1007,7 @@ public class TApplication implements Runnable {
         // secondary thread locks again.  When it gives up, we have the
         // single lock back.
         boolean oldLock = unlockHandleEvent();
-        assert (oldLock == true);
+        assert (oldLock);
 
         while (secondaryEventReceiver != null) {
             synchronized (primaryEventHandler) {
@@ -1905,6 +1909,7 @@ public class TApplication implements Runnable {
      *
      * @param path path of selected file
      * @return the result of the new file open box
+     * @throws IOException if java.io operation throws
      */
     public final String fileOpenBox(final String path) throws IOException {
 
@@ -1918,6 +1923,7 @@ public class TApplication implements Runnable {
      * @param path path of selected file
      * @param type one of the Type constants
      * @return the result of the new file open box
+     * @throws IOException if java.io operation throws
      */
     public final String fileOpenBox(final String path,
         final TFileOpenBox.Type type) throws IOException {
diff --git a/src/jexer/TButton.java b/src/jexer/TButton.java
index fb8c08e..064e927 100644
--- a/src/jexer/TButton.java
+++ b/src/jexer/TButton.java
@@ -56,7 +56,7 @@ public final class TButton extends TWidget {
      *
      * @return mnemonic string
      */
-    public final MnemonicString getMnemonic() {
+    public MnemonicString getMnemonic() {
         return mnemonic;
     }
 
diff --git a/src/jexer/TCheckbox.java b/src/jexer/TCheckbox.java
index 816138b..6819bcd 100644
--- a/src/jexer/TCheckbox.java
+++ b/src/jexer/TCheckbox.java
@@ -51,7 +51,7 @@ public final class TCheckbox extends TWidget {
      *
      * @return if true, this is checked
      */
-    public final boolean isChecked() {
+    public boolean isChecked() {
         return checked;
     }
 
@@ -60,7 +60,7 @@ public final class TCheckbox extends TWidget {
      *
      * @param checked new checked value.
      */
-    public final void setChecked(final boolean checked) {
+    public void setChecked(final boolean checked) {
         this.checked = checked;
     }
 
diff --git a/src/jexer/TDirectoryList.java b/src/jexer/TDirectoryList.java
index 1b94a18..50cc88b 100644
--- a/src/jexer/TDirectoryList.java
+++ b/src/jexer/TDirectoryList.java
@@ -64,7 +64,7 @@ public final class TDirectoryList extends TWidget {
      *
      * @param path new path to list files for
      */
-    public void setPath(String path) {
+    public void setPath(final String path) {
         this.path = new File(path);
         reflow();
     }
@@ -115,7 +115,7 @@ public final class TDirectoryList extends TWidget {
      * @param index index into files
      * @return the line to draw
      */
-    private String renderFile(int index) {
+    private String renderFile(final int index) {
         File file = files.get(index);
         String name = file.getName();
         if (name.length() > 20) {
diff --git a/src/jexer/TDirectoryTreeItem.java b/src/jexer/TDirectoryTreeItem.java
index 0d02232..456ad92 100644
--- a/src/jexer/TDirectoryTreeItem.java
+++ b/src/jexer/TDirectoryTreeItem.java
@@ -60,7 +60,7 @@ public class TDirectoryTreeItem extends TTreeItem {
      * true if this item was just expanded from a mouse click or keypress.
      */
     @Override
-    public void onExpand() {
+    public final void onExpand() {
         // System.err.printf("onExpand() %s\n", file);
 
         if (file == null) {
@@ -77,7 +77,7 @@ public class TDirectoryTreeItem extends TTreeItem {
         assert (file.isDirectory());
         setExpandable(true);
 
-        if ((isExpanded() == false) || (isExpandable() == false)) {
+        if (!isExpanded() || !isExpandable()) {
             getTreeView().reflow();
             return;
         }
@@ -118,7 +118,9 @@ public class TDirectoryTreeItem extends TTreeItem {
      * @throws IllegalArgumentException if this function is called
      */
     @Override
-    public final TTreeItem addChild(final String text, final boolean expanded) {
+    public final TTreeItem addChild(final String text,
+        final boolean expanded) throws IllegalArgumentException {
+
         throw new IllegalArgumentException("Do not call addChild(), use onExpand() instead");
     }
 
@@ -127,6 +129,7 @@ public class TDirectoryTreeItem extends TTreeItem {
      *
      * @param view root TTreeView
      * @param text text for this item
+     * @throws IOException if a java.io operation throws
      */
     public TDirectoryTreeItem(final TTreeView view,
         final String text) throws IOException {
@@ -140,6 +143,7 @@ public class TDirectoryTreeItem extends TTreeItem {
      * @param view root TTreeView
      * @param text text for this item
      * @param expanded if true, have it expanded immediately
+     * @throws IOException if a java.io operation throws
      */
     public TDirectoryTreeItem(final TTreeView view, final String text,
         final boolean expanded) throws IOException {
@@ -155,6 +159,7 @@ public class TDirectoryTreeItem extends TTreeItem {
      * @param expanded if true, have it expanded immediately
      * @param openParents if true, expand all paths up the root path and
      * return the root path entry
+     * @throws IOException if a java.io operation throws
      */
     public TDirectoryTreeItem(final TTreeView view, final String text,
         final boolean expanded, final boolean openParents) throws IOException {
@@ -168,7 +173,7 @@ public class TDirectoryTreeItem extends TTreeItem {
         File rootFile = new File(text);
         rootFile = rootFile.getCanonicalFile();
 
-        if (openParents == true) {
+        if (openParents) {
             setExpanded(true);
 
             // Go up the directory tree
@@ -186,12 +191,12 @@ public class TDirectoryTreeItem extends TTreeItem {
         } else {
             // This is a relative path.  We got here because openParents was
             // false.
-            assert (openParents == false);
+            assert (!openParents);
             setText(rootFile.getName());
         }
         onExpand();
 
-        if (openParents == true) {
+        if (openParents) {
             TDirectoryTreeItem childFile = this;
             Collections.reverse(parentFiles);
             for (String p: parentFiles) {
diff --git a/src/jexer/TFileOpenBox.java b/src/jexer/TFileOpenBox.java
index 96085b8..9a0437c 100644
--- a/src/jexer/TFileOpenBox.java
+++ b/src/jexer/TFileOpenBox.java
@@ -59,7 +59,14 @@ public final class TFileOpenBox extends TWindow {
      * TFileOpenBox can be called for either Open or Save actions.
      */
     public enum Type {
+        /**
+         * Button will be labeled "Open".
+         */
         OPEN,
+
+        /**
+         * Button will be labeled "Save".
+         */
         SAVE
     }
 
@@ -107,6 +114,7 @@ public final class TFileOpenBox extends TWindow {
      * directory, then
      *
      * @param newFilename the filename to check and return
+     * @throws IOException of a java.io operation throws
      */
     private void checkFilename(final String newFilename) throws IOException {
         File newFile = new File(newFilename);
@@ -133,6 +141,7 @@ public final class TFileOpenBox extends TWindow {
      * @param application the TApplication that manages this window
      * @param path path of selected file
      * @param type one of the Type constants
+     * @throws IOException of a java.io operation throws
      */
     public TFileOpenBox(final TApplication application, final String path,
         final Type type) throws IOException {
diff --git a/src/jexer/THScroller.java b/src/jexer/THScroller.java
index eb7256b..54f3c0b 100644
--- a/src/jexer/THScroller.java
+++ b/src/jexer/THScroller.java
@@ -297,7 +297,8 @@ public final class THScroller extends TWidget {
             && (mouse.getX() < getWidth() - 1)
         ) {
             // Recompute value based on new box position
-            value = (rightValue - leftValue) * (mouse.getX()) / (getWidth() - 3) + leftValue;
+            value = (rightValue - leftValue)
+                * (mouse.getX()) / (getWidth() - 3) + leftValue;
             return;
         }
         inScroll = false;
diff --git a/src/jexer/TMessageBox.java b/src/jexer/TMessageBox.java
index 9de90dc..eac37aa 100644
--- a/src/jexer/TMessageBox.java
+++ b/src/jexer/TMessageBox.java
@@ -88,7 +88,7 @@ public class TMessageBox extends TWindow {
     /**
      * My buttons.
      */
-    List<TButton> buttons;
+    private List<TButton> buttons;
 
     /**
      * Message boxes have these possible results.
diff --git a/src/jexer/TTreeItem.java b/src/jexer/TTreeItem.java
index 2770c46..e6bf279 100644
--- a/src/jexer/TTreeItem.java
+++ b/src/jexer/TTreeItem.java
@@ -101,7 +101,7 @@ public class TTreeItem extends TWidget {
      *
      * @param expanded new value
      */
-    public final void setExpanded(boolean expanded) {
+    public final void setExpanded(final boolean expanded) {
         this.expanded = expanded;
     }
 
@@ -124,7 +124,7 @@ public class TTreeItem extends TWidget {
      *
      * @param expandable new value
      */
-    public final void setExpandable(boolean expandable) {
+    public final void setExpandable(final boolean expandable) {
         this.expandable = expandable;
     }
 
@@ -162,7 +162,7 @@ public class TTreeItem extends TWidget {
      *
      * @param invisible new value
      */
-    public final void setInvisible(boolean invisible) {
+    public final void setInvisible(final boolean invisible) {
         this.invisible = invisible;
     }
 
@@ -185,7 +185,7 @@ public class TTreeItem extends TWidget {
      *
      * @param selected new value
      */
-    public final void setSelected(boolean selected) {
+    public final void setSelected(final boolean selected) {
         this.selected = selected;
     }
 
@@ -199,7 +199,7 @@ public class TTreeItem extends TWidget {
      *
      * @param selectable new value
      */
-    public final void setSelectable(boolean selectable) {
+    public final void setSelectable(final boolean selectable) {
         this.selectable = selectable;
     }
 
@@ -276,7 +276,7 @@ public class TTreeItem extends TWidget {
         this.prefix = prefix;
         array.add(this);
 
-        if ((getChildren().size() == 0) || (expanded == false)) {
+        if ((getChildren().size() == 0) || !expanded) {
             return array;
         }
 
diff --git a/src/jexer/TTreeView.java b/src/jexer/TTreeView.java
index 7aaee43..aaed4d1 100644
--- a/src/jexer/TTreeView.java
+++ b/src/jexer/TTreeView.java
@@ -52,6 +52,8 @@ public class TTreeView extends TWidget {
     /**
      * Get the horizontal scrollbar.  This is used by TTreeItem.draw(), and
      * potentially subclasses.
+     *
+     * @return the horizontal scrollbar
      */
     public final THScroller getHScroller() {
         return hScroller;
@@ -94,7 +96,7 @@ public class TTreeView extends TWidget {
      * If true, move the window to put the selected item in view.  This
      * normally only happens once after setting treeRoot.
      */
-    public boolean centerWindow = false;
+    private boolean centerWindow = false;
 
     /**
      * The action to perform when the user selects an item.
@@ -107,7 +109,9 @@ public class TTreeView extends TWidget {
      * @param treeRoot ultimate root of tree
      * @param centerWindow if true, move the window to put the root in view
      */
-    public void setTreeRoot(final TTreeItem treeRoot, final boolean centerWindow) {
+    public void setTreeRoot(final TTreeItem treeRoot,
+        final boolean centerWindow) {
+
         this.treeRoot = treeRoot;
         this.centerWindow = centerWindow;
     }
@@ -239,12 +243,12 @@ public class TTreeView extends TWidget {
             if (item == selectedItem) {
                 foundSelectedRow = true;
             }
-            if (foundSelectedRow == false) {
+            if (!foundSelectedRow) {
                 selectedRow++;
             }
 
             int lineWidth = item.getText().length()
-            + item.getPrefix().length() + 4;
+                + item.getPrefix().length() + 4;
             if (lineWidth > maxLineWidth) {
                 maxLineWidth = lineWidth;
             }
@@ -360,7 +364,7 @@ public class TTreeView extends TWidget {
      * @param mouse mouse button release event
      */
     @Override
-    public void onMouseUp(TMouseEvent mouse) {
+    public void onMouseUp(final TMouseEvent mouse) {
         // Pass to children
         super.onMouseDown(mouse);
 
diff --git a/src/jexer/TVScroller.java b/src/jexer/TVScroller.java
index 681a123..9b69f69 100644
--- a/src/jexer/TVScroller.java
+++ b/src/jexer/TVScroller.java
@@ -328,13 +328,14 @@ public final class TVScroller extends TWidget {
             return;
         }
 
-        if ((mouse.isMouse1()) &&
-            (inScroll) &&
-            (mouse.getY() > 0) &&
-            (mouse.getY() < getHeight() - 1)
+        if ((mouse.isMouse1())
+            && (inScroll)
+            && (mouse.getY() > 0)
+            && (mouse.getY() < getHeight() - 1)
         ) {
             // Recompute value based on new box position
-            value = (bottomValue - topValue) * (mouse.getY()) / (getHeight() - 3) + topValue;
+            value = (bottomValue - topValue)
+                * (mouse.getY()) / (getHeight() - 3) + topValue;
             return;
         }
 
diff --git a/src/jexer/TWidget.java b/src/jexer/TWidget.java
index 85910ab..564cc52 100644
--- a/src/jexer/TWidget.java
+++ b/src/jexer/TWidget.java
@@ -371,7 +371,7 @@ public abstract class TWidget implements Comparable<TWidget> {
     }
 
     /**
-     * Comparison operator sorts on:
+     * Comparison operator.  For various subclasses it sorts on:
      * <ul>
      * <li>tabOrder for TWidgets</li>
      * <li>z for TWindows</li>
@@ -1289,6 +1289,7 @@ public abstract class TWidget implements Comparable<TWidget> {
      * @param y row relative to parent
      * @param width width of tree view
      * @param height height of tree view
+     * @return the new tree view
      */
     public final TTreeView addTreeView(final int x, final int y,
         final int width, final int height) {
@@ -1304,6 +1305,7 @@ public abstract class TWidget implements Comparable<TWidget> {
      * @param width width of tree view
      * @param height height of tree view
      * @param action action to perform when an item is selected
+     * @return the new tree view
      */
     public final TTreeView addTreeView(final int x, final int y,
         final int width, final int height, final TAction action) {
@@ -1316,6 +1318,7 @@ public abstract class TWidget implements Comparable<TWidget> {
      *
      * @param path path of selected file
      * @return the result of the new file open box
+     * @throws IOException if a java.io operation throws
      */
     public final String fileOpenBox(final String path) throws IOException {
         return getApplication().fileOpenBox(path);
@@ -1327,6 +1330,7 @@ public abstract class TWidget implements Comparable<TWidget> {
      * @param path path of selected file
      * @param type one of the Type constants
      * @return the result of the new file open box
+     * @throws IOException if a java.io operation throws
      */
     public final String fileOpenBox(final String path,
         final TFileOpenBox.Type type) throws IOException {
@@ -1341,6 +1345,7 @@ public abstract class TWidget implements Comparable<TWidget> {
      * @param y row relative to parent
      * @param width width of text area
      * @param height height of text area
+     * @return the new directory list
      */
     public final TDirectoryList addDirectoryList(final String path, final int x,
         final int y, final int width, final int height) {
@@ -1357,6 +1362,7 @@ public abstract class TWidget implements Comparable<TWidget> {
      * @param width width of text area
      * @param height height of text area
      * @param action action to perform when an item is selected
+     * @return the new directory list
      */
     public final TDirectoryList addDirectoryList(final String path, final int x,
         final int y, final int width, final int height, final TAction action) {
diff --git a/src/jexer/bits/MnemonicString.java b/src/jexer/bits/MnemonicString.java
index 08770ac..2cfe125 100644
--- a/src/jexer/bits/MnemonicString.java
+++ b/src/jexer/bits/MnemonicString.java
@@ -79,7 +79,7 @@ public final class MnemonicString {
     public String getRawLabel() {
         return rawLabel;
     }
-    
+
     /**
      * Public constructor.
      *
diff --git a/src/jexer/demos/DemoApplication.java b/src/jexer/demos/DemoApplication.java
index d9bbeb7..f0bdacd 100644
--- a/src/jexer/demos/DemoApplication.java
+++ b/src/jexer/demos/DemoApplication.java
@@ -104,7 +104,7 @@ public class DemoApplication extends TApplication {
      * a window
      */
     @Override
-    public boolean onMenu(TMenuEvent menu) {
+    public boolean onMenu(final TMenuEvent menu) {
         if (menu.getId() == TMenu.MID_OPEN_FILE) {
             try {
                 String filename = fileOpenBox(".");
@@ -116,7 +116,7 @@ public class DemoApplication extends TApplication {
                          String EOL = System.getProperty("line.separator");
 
                          try {
-                             while(scanner.hasNextLine()) {
+                             while (scanner.hasNextLine()) {
                                  fileContents.append(scanner.nextLine() + EOL);
                              }
                              new DemoTextWindow(this, filename,
@@ -142,7 +142,7 @@ public class DemoApplication extends TApplication {
      * @param backendType one of the TApplication.BackendType values
      * @throws Exception if TApplication can't instantiate the Backend.
      */
-    public DemoApplication(BackendType backendType) throws Exception {
+    public DemoApplication(final BackendType backendType) throws Exception {
         super(backendType);
         addAllWidgets();
     }
diff --git a/src/jexer/demos/DemoTreeViewWindow.java b/src/jexer/demos/DemoTreeViewWindow.java
index 0fc5dfe..6101d27 100644
--- a/src/jexer/demos/DemoTreeViewWindow.java
+++ b/src/jexer/demos/DemoTreeViewWindow.java
@@ -49,8 +49,9 @@ public class DemoTreeViewWindow extends TWindow {
      * Public constructor.
      *
      * @param parent the main application
+     * @throws IOException if a java.io operation throws
      */
-    public DemoTreeViewWindow(TApplication parent) throws IOException {
+    public DemoTreeViewWindow(final TApplication parent) throws IOException {
         super(parent, "Tree View", 0, 0, 44, 16, TWindow.RESIZABLE);
 
         // Load the treeview with "stuff"
@@ -64,7 +65,7 @@ public class DemoTreeViewWindow extends TWindow {
      * @param resize resize event
      */
     @Override
-    public void onResize(TResizeEvent resize) {
+    public void onResize(final TResizeEvent resize) {
         if (resize.getType() == TResizeEvent.Type.WIDGET) {
             // Resize the text field
             treeView.setWidth(resize.getWidth() - 4);
diff --git a/src/jexer/io/SwingScreen.java b/src/jexer/io/SwingScreen.java
index 3c949c1..cdca714 100644
--- a/src/jexer/io/SwingScreen.java
+++ b/src/jexer/io/SwingScreen.java
@@ -519,6 +519,8 @@ public final class SwingScreen extends Screen {
                     Cell lCell = screen.logical[cursorX][cursorY];
                     gr.setColor(attrToForegroundColor(lCell));
                     switch (cursorStyle) {
+                    default:
+                        // Fall through...
                     case UNDERLINE:
                         gr.fillRect(xPixel, yPixel + textHeight - 2,
                             textWidth, 2);
@@ -571,7 +573,7 @@ public final class SwingScreen extends Screen {
                     SwingScreen.this.frame.resizeToScreen();
                     SwingScreen.this.frame.setVisible(true);
                 }
-            } );
+            });
         } catch (Exception e) {
             e.printStackTrace();
         }
diff --git a/src/jexer/menu/TMenu.java b/src/jexer/menu/TMenu.java
index 6dfb5fc..c1509d5 100644
--- a/src/jexer/menu/TMenu.java
+++ b/src/jexer/menu/TMenu.java
@@ -315,7 +315,7 @@ public final class TMenu extends TWindow {
      * @param label menu item label
      * @return the new menu item
      */
-    public final TMenuItem addItem(final int id, final String label) {
+    public TMenuItem addItem(final int id, final String label) {
         assert (id >= 1024);
         return addItemInternal(id, label, null);
     }
@@ -328,7 +328,7 @@ public final class TMenu extends TWindow {
      * @param key global keyboard accelerator
      * @return the new menu item
      */
-    public final TMenuItem addItem(final int id, final String label,
+    public TMenuItem addItem(final int id, final String label,
         final TKeypress key) {
 
         assert (id >= 1024);
@@ -371,7 +371,7 @@ public final class TMenu extends TWindow {
      * (inclusive).
      * @return the new menu item
      */
-    public final TMenuItem addDefaultItem(final int id) {
+    public TMenuItem addDefaultItem(final int id) {
         assert (id >= 0);
         assert (id < 1024);
 
@@ -451,7 +451,7 @@ public final class TMenu extends TWindow {
     /**
      * Convenience function to add a menu separator.
      */
-    public final void addSeparator() {
+    public void addSeparator() {
         int newY = getChildren().size() + 1;
         assert (newY < getHeight());
 
@@ -468,7 +468,7 @@ public final class TMenu extends TWindow {
      * denoted by prefixing a letter with "&", e.g. "&File"
      * @return the new sub-menu
      */
-    public final TSubMenu addSubMenu(final String title) {
+    public TSubMenu addSubMenu(final String title) {
         int newY = getChildren().size() + 1;
         assert (newY < getHeight());
 
diff --git a/src/jexer/menu/TMenuItem.java b/src/jexer/menu/TMenuItem.java
index e3600bc..0898870 100644
--- a/src/jexer/menu/TMenuItem.java
+++ b/src/jexer/menu/TMenuItem.java
@@ -196,6 +196,7 @@ public class TMenuItem extends TWidget {
      * Returns true if the mouse is currently on the menu item.
      *
      * @param mouse mouse event
+     * @return if true then the mouse is currently on this item
      */
     private boolean mouseOnMenuItem(final TMouseEvent mouse) {
         if ((mouse.getY() == 0)
@@ -262,21 +263,6 @@ public class TMenuItem extends TWidget {
         }
     }
 
-    /**
-     * Handle mouse button presses.
-     *
-     * @param event mouse button press event
-     */
-    /* TODO: this was commented out in d-tui, why?
-    @Override
-    public void onMouseDown(final TMouseEvent event) {
-        if ((mouseOnMenuItem(event)) && (event.mouse1)) {
-            dispatch();
-            return;
-        }
-    }
-    */
-
     /**
      * Handle mouse button releases.
      *
diff --git a/src/jexer/tterminal/ECMA48.java b/src/jexer/tterminal/ECMA48.java
index 80f733b..ca3ce5c 100644
--- a/src/jexer/tterminal/ECMA48.java
+++ b/src/jexer/tterminal/ECMA48.java
@@ -2185,8 +2185,9 @@ public class ECMA48 implements Runnable {
     }
 
     /**
-     * Set or unset a toggle.  value is 'true' for set ('h'), false for reset
-     * ('l').
+     * Set or unset a toggle.
+     *
+     * @param value true for set ('h'), false for reset ('l')
      */
     private void setToggle(final boolean value) {
         boolean decPrivateModeFlag = false;
@@ -5534,8 +5535,8 @@ public class ECMA48 implements Runnable {
                 collect(ch);
             }
             if (ch == 0x5C) {
-                if ((collectBuffer.length() > 0) &&
-                    (collectBuffer.charAt(collectBuffer.length() - 1) == 0x1B)
+                if ((collectBuffer.length() > 0)
+                    && (collectBuffer.charAt(collectBuffer.length() - 1) == 0x1B)
                 ) {
                     toGround();
                 }
@@ -5566,8 +5567,8 @@ public class ECMA48 implements Runnable {
                 collect(ch);
             }
             if (ch == 0x5C) {
-                if ((collectBuffer.length() > 0) &&
-                    (collectBuffer.charAt(collectBuffer.length() - 1) == 0x1B)
+                if ((collectBuffer.length() > 0)
+                    && (collectBuffer.charAt(collectBuffer.length() - 1) == 0x1B)
                 ) {
                     toGround();
                 }
@@ -5719,7 +5720,7 @@ public class ECMA48 implements Runnable {
     /**
      * Read function runs on a separate thread.
      */
-    public void run() {
+    public final void run() {
         boolean utf8 = false;
         boolean done = false;