Polishing contribution and Theme deprecation notices

Closes gh-28870

spring-webmvc/src/main/java/org/springframework/web/servlet/ThemeResolver.java

@@ -45,7 +45,7 @@ import org.springframework.lang.Nullable;
  * @since 17.06.2003
  * @see org.springframework.ui.context.Theme
  * @see org.springframework.ui.context.ThemeSource
- * @deprecated as of 6.0, with no direct replacement
+ * @deprecated as of 6.0 in favor of using CSS, without direct replacement
  */
 @Deprecated(since = "6.0")
 public interface ThemeResolver {

spring-webmvc/src/main/java/org/springframework/web/servlet/theme/AbstractThemeResolver.java

@@ -25,7 +25,7 @@ import org.springframework.web.servlet.ThemeResolver;
  * @author Juergen Hoeller
  * @author Jean-Pierre Pawlak
  * @since 17.06.2003
- * @deprecated as of 6.0, with no concrete replacement
+ * @deprecated as of 6.0 in favor of using CSS, without direct replacement
  */
 @Deprecated(since = "6.0")
 public abstract class AbstractThemeResolver implements ThemeResolver {

spring-webmvc/src/main/java/org/springframework/web/servlet/theme/CookieThemeResolver.java

@@ -39,7 +39,7 @@ import org.springframework.web.util.WebUtils;
  * @author Juergen Hoeller
  * @since 17.06.2003
  * @see #setThemeName
- * @deprecated as of 6.0, with no direct replacement
+ * @deprecated as of 6.0 in favor of using CSS, without direct replacement
  */
 @Deprecated(since = "6.0")
 public class CookieThemeResolver extends CookieGenerator implements ThemeResolver {

spring-webmvc/src/main/java/org/springframework/web/servlet/theme/FixedThemeResolver.java

@@ -33,7 +33,7 @@ import org.springframework.lang.Nullable;
  * @author Juergen Hoeller
  * @since 17.06.2003
  * @see #setDefaultThemeName
- * @deprecated as of 6.0, with no direct replacement
+ * @deprecated as of 6.0 in favor of using CSS, without direct replacement
  */
 @Deprecated(since = "6.0")
 public class FixedThemeResolver extends AbstractThemeResolver {

spring-webmvc/src/main/java/org/springframework/web/servlet/theme/SessionThemeResolver.java

@@ -36,7 +36,7 @@ import org.springframework.web.util.WebUtils;
  * @author Juergen Hoeller
  * @since 17.06.2003
  * @see #setThemeName
- * @deprecated as of 6.0, with no concrete replacement
+ * @deprecated as of 6.0 in favor of using CSS, without direct replacement
  */
 @Deprecated(since = "6.0")
 public class SessionThemeResolver extends AbstractThemeResolver {

spring-webmvc/src/main/java/org/springframework/web/servlet/theme/ThemeChangeInterceptor.java

@@ -31,7 +31,7 @@ import org.springframework.web.servlet.support.RequestContextUtils;
  * @author Juergen Hoeller
  * @since 20.06.2003
  * @see org.springframework.web.servlet.ThemeResolver
- * @deprecated as of 6.0, with no concrete replacement
+ * @deprecated as of 6.0 in favor of using CSS, without direct replacement
  */
 @Deprecated(since = "6.0")
 public class ThemeChangeInterceptor implements HandlerInterceptor {