<AWT Dev> JDK 9 RFR of JDK-8039861: Fix fallthrough lint warnings in awt

[Joe Darcy]

Hello,

Please review the changes for

     JDK-8039861: Fix fallthrough lint warnings in awt
     http://cr.openjdk.java.net/~darcy/8039861.0/

Thanks,

-Joe

--- old/src/share/classes/java/awt/dnd/DragSourceContext.java 2014-04-09 
19:41:33.000000000 -0700
+++ new/src/share/classes/java/awt/dnd/DragSourceContext.java 2014-04-09 
19:41:33.000000000 -0700
@@ -472,7 +472,7 @@
       *               <code>ENTER</code>, <code>OVER</code>,
       *               <code>CHANGED</code>
       */
-
+    @SuppressWarnings("fallthrough")
      protected synchronized void updateCurrentCursor(int sourceAct, int 
targetAct, int status) {

          // if the cursor has been previously set then don't do any 
defaults
--- old/src/share/classes/sun/awt/image/GifImageDecoder.java 2014-04-09 
19:41:33.000000000 -0700
+++ new/src/share/classes/sun/awt/image/GifImageDecoder.java 2014-04-09 
19:41:33.000000000 -0700
@@ -114,6 +114,7 @@
      /**
       * produce an image from the stream.
       */
+    @SuppressWarnings("fallthrough")
      public void produceImage() throws IOException, ImageFormatException {
          try {
              readHeader();
@@ -238,7 +239,7 @@
                      if (frameno == 0) {
                          return;
                      }
-                    // NOBREAK
+                    // Fall through

                    case TERMINATOR:
                      if (nloops == 0 || nloops-- >= 0) {
--- old/src/share/classes/sun/awt/image/PixelConverter.java 2014-04-09 
19:41:34.000000000 -0700
+++ new/src/share/classes/sun/awt/image/PixelConverter.java 2014-04-09 
19:41:33.000000000 -0700
@@ -53,6 +53,7 @@

      protected PixelConverter() {}

+    @SuppressWarnings("fallthrough")
      public int rgbToPixel(int rgb, ColorModel cm) {
          Object obj = cm.getDataElements(rgb, null);
          switch (cm.getTransferType()) {
--- old/src/solaris/classes/sun/awt/X11/XWM.java    2014-04-09 
19:41:34.000000000 -0700
+++ new/src/solaris/classes/sun/awt/X11/XWM.java    2014-04-09 
19:41:34.000000000 -0700
@@ -1112,6 +1112,7 @@
       * Therefore, a compound state is just ICONIFIED | anything else.
       *
       */
+    @SuppressWarnings("fallthrough")
      boolean supportsExtendedState(int state) {
          switch (state) {
            case Frame.MAXIMIZED_VERT:
@@ -1131,6 +1132,7 @@
                        return true;
                    }
                }
+              /* FALLTROUGH */
            default:
                return false;
          }