src/share/classes/javax/swing/text/html/StyleSheet.java

@@ -125,10 +125,11 @@
  * @author  Timothy Prinzing
  * @author  Sunita Mani
  * @author  Sara Swanson
  * @author  Jill Nakata
  */
+@SuppressWarnings("serial") // Superclass is not serializable across versions
 public class StyleSheet extends StyleContext {
     // As the javadoc states, this class maintains a mapping between
     // a CSS selector (such as p.bar) and a Style.
     // This consists of a number of parts:
     // . Each selector is broken down into its constituent simple selectors,

@@ -761,10 +762,11 @@
 
     /**
      * Large set of attributes that does conversion of requests
      * for attributes of type StyleConstants.
      */
+    @SuppressWarnings("serial") // Superclass is not serializable across versions
     class LargeConversionSet extends SimpleAttributeSet {
 
         /**
          * Creates a new attribute set based on a supplied set of attributes.
          *

@@ -1758,10 +1760,11 @@
      * <p>
      * As a delegate of Views, this object is responsible for
      * the insets of a View and making sure the background
      * is maintained according to the CSS attributes.
      */
+    @SuppressWarnings("serial") // Same-version serialization only
     public static class BoxPainter implements Serializable {
 
         BoxPainter(AttributeSet a, CSS css, StyleSheet ss) {
             this.ss = ss;
             this.css = css;

@@ -2017,10 +2020,11 @@
      * formatting.  Implementations of this
      * class enable views to present the CSS formatting
      * while not knowing anything about how the CSS values
      * are being cached.
      */
+    @SuppressWarnings("serial") // Same-version serialization only
     public static class ListPainter implements Serializable {
 
         ListPainter(AttributeSet attr, StyleSheet ss) {
             this.ss = ss;
             /* Get the image to use as a list bullet */

@@ -2446,10 +2450,11 @@
 
 
     /**
      * Paints the background image.
      */
+    @SuppressWarnings("serial") // Same-version serialization only
     static class BackgroundImagePainter implements Serializable {
         ImageIcon   backgroundImage;
         float       hPosition;
         float       vPosition;
         // bit mask: 0 for repeat x, 1 for repeat y, 2 for horiz relative,

@@ -2613,10 +2618,11 @@
     /**
      * A subclass of MuxingAttributeSet that translates between
      * CSS and HTML and StyleConstants. The AttributeSets used are
      * the CSS rules that match the Views Elements.
      */
+    @SuppressWarnings("serial") // Same-version serialization only
     class ViewAttributeSet extends MuxingAttributeSet {
         ViewAttributeSet(View v) {
             host = v;
 
             // PENDING(prinz) fix this up to be a more realistic

@@ -2777,10 +2783,11 @@
      */
     // PENDING(sky): Decide what to do with this. Either make it
     // contain a SimpleAttributeSet that modify methods are delegated to,
     // or change getRule to return an AttributeSet and then don't make this
     // implement Style.
+    @SuppressWarnings("serial") // Same-version serialization only
     static class ResolvedStyle extends MuxingAttributeSet implements
                   Serializable, Style {
         ResolvedStyle(String name, AttributeSet[] attrs, int extendedIndex) {
             super(attrs);
             this.name = name;

@@ -3018,10 +3025,11 @@
      * so that it behaves like a tree.
      * <p>
      * This is not thread safe, it is assumed the caller will take the
      * necessary precations if this is to be used in a threaded environment.
      */
+    @SuppressWarnings("serial") // Same-version serialization only
     static class SelectorMapping implements Serializable {
         public SelectorMapping(int specificity) {
             this.specificity = specificity;
         }