Deprecate Charsets constants.

RELNOTES=`base: Deprecated `Charsets` constants in favor of `StandardCharsets`.
PiperOrigin-RevId: 699971004

Author: kluever

android/guava/src/com/google/common/base/Charsets.java

@@ -35,75 +35,53 @@
 @GwtCompatible(emulated = true)
 @ElementTypesAreNonnullByDefault
 public final class Charsets {
-  private Charsets() {}
 
   /**
    * US-ASCII: seven-bit ASCII, the Basic Latin block of the Unicode character set (ISO646-US).
    *
-   * <p><b>Note:</b> this constant is now unnecessary and should be treated as deprecated; use
-   * {@link StandardCharsets#US_ASCII} instead.
-   *
+   * @deprecated Use {@link StandardCharsets#US_ASCII} instead.
    */
-  @J2ktIncompatible
-  @GwtIncompatible // Charset not supported by GWT
+  @Deprecated @J2ktIncompatible @GwtIncompatible // Charset not supported by GWT
   public static final Charset US_ASCII = StandardCharsets.US_ASCII;
 
   /**
    * ISO-8859-1: ISO Latin Alphabet Number 1 (ISO-LATIN-1).
    *
-   * <p><b>Note:</b> this constant is now unnecessary and should be treated as deprecated; use
-   * {@link StandardCharsets#ISO_8859_1} instead.
-   *
+   * @deprecated Use {@link StandardCharsets#ISO_8859_1} instead.
    */
-  public static final Charset ISO_8859_1 = StandardCharsets.ISO_8859_1;
+  @Deprecated public static final Charset ISO_8859_1 = StandardCharsets.ISO_8859_1;
 
   /**
    * UTF-8: eight-bit UCS Transformation Format.
    *
-   * <p><b>Note:</b> this constant is now unnecessary and should be treated as deprecated; use
-   * {@link StandardCharsets#UTF_8} instead.
-   *
+   * @deprecated Use {@link StandardCharsets#UTF_8} instead.
    */
-  public static final Charset UTF_8 = StandardCharsets.UTF_8;
+  @Deprecated public static final Charset UTF_8 = StandardCharsets.UTF_8;
 
   /**
    * UTF-16BE: sixteen-bit UCS Transformation Format, big-endian byte order.
    *
-   * <p><b>Note:</b> this constant is now unnecessary and should be treated as deprecated; use
-   * {@link StandardCharsets#UTF_16BE} instead.
-   *
+   * @deprecated Use {@link StandardCharsets#UTF_16BE} instead.
    */
-  @J2ktIncompatible
-  @GwtIncompatible // Charset not supported by GWT
+  @Deprecated @J2ktIncompatible @GwtIncompatible // Charset not supported by GWT
   public static final Charset UTF_16BE = StandardCharsets.UTF_16BE;
 
   /**
    * UTF-16LE: sixteen-bit UCS Transformation Format, little-endian byte order.
    *
-   * <p><b>Note:</b> this constant is now unnecessary and should be treated as deprecated; use
-   * {@link StandardCharsets#UTF_16LE} instead.
-   *
+   * @deprecated Use {@link StandardCharsets#UTF_16LE} instead.
    */
-  @J2ktIncompatible
-  @GwtIncompatible // Charset not supported by GWT
+  @Deprecated @J2ktIncompatible @GwtIncompatible // Charset not supported by GWT
   public static final Charset UTF_16LE = StandardCharsets.UTF_16LE;
 
   /**
    * UTF-16: sixteen-bit UCS Transformation Format, byte order identified by an optional byte-order
    * mark.
    *
-   * <p><b>Note:</b> this constant is now unnecessary and should be treated as deprecated; use
-   * {@link StandardCharsets#UTF_16} instead.
-   *
+   * @deprecated Use {@link StandardCharsets#UTF_16} instead.
    */
-  @J2ktIncompatible
-  @GwtIncompatible // Charset not supported by GWT
+  @Deprecated @J2ktIncompatible @GwtIncompatible // Charset not supported by GWT
   public static final Charset UTF_16 = StandardCharsets.UTF_16;
 
-  /*
-   * Please do not add new Charset references to this class, unless those character encodings are
-   * part of the set required to be supported by all Java platform implementations! Any Charsets
-   * initialized here may cause unexpected delays when this class is loaded. See the Charset
-   * Javadocs for the list of built-in character encodings.
-   */
+  private Charsets() {}
 }

guava/src/com/google/common/base/Charsets.java

@@ -35,75 +35,53 @@
 @GwtCompatible(emulated = true)
 @ElementTypesAreNonnullByDefault
 public final class Charsets {
-  private Charsets() {}
 
   /**
    * US-ASCII: seven-bit ASCII, the Basic Latin block of the Unicode character set (ISO646-US).
    *
-   * <p><b>Note:</b> this constant is now unnecessary and should be treated as deprecated; use
-   * {@link StandardCharsets#US_ASCII} instead.
-   *
+   * @deprecated Use {@link StandardCharsets#US_ASCII} instead.
    */
-  @J2ktIncompatible
-  @GwtIncompatible // Charset not supported by GWT
+  @Deprecated @J2ktIncompatible @GwtIncompatible // Charset not supported by GWT
   public static final Charset US_ASCII = StandardCharsets.US_ASCII;
 
   /**
    * ISO-8859-1: ISO Latin Alphabet Number 1 (ISO-LATIN-1).
    *
-   * <p><b>Note:</b> this constant is now unnecessary and should be treated as deprecated; use
-   * {@link StandardCharsets#ISO_8859_1} instead.
-   *
+   * @deprecated Use {@link StandardCharsets#ISO_8859_1} instead.
    */
-  public static final Charset ISO_8859_1 = StandardCharsets.ISO_8859_1;
+  @Deprecated public static final Charset ISO_8859_1 = StandardCharsets.ISO_8859_1;
 
   /**
    * UTF-8: eight-bit UCS Transformation Format.
    *
-   * <p><b>Note:</b> this constant is now unnecessary and should be treated as deprecated; use
-   * {@link StandardCharsets#UTF_8} instead.
-   *
+   * @deprecated Use {@link StandardCharsets#UTF_8} instead.
    */
-  public static final Charset UTF_8 = StandardCharsets.UTF_8;
+  @Deprecated public static final Charset UTF_8 = StandardCharsets.UTF_8;
 
   /**
    * UTF-16BE: sixteen-bit UCS Transformation Format, big-endian byte order.
    *
-   * <p><b>Note:</b> this constant is now unnecessary and should be treated as deprecated; use
-   * {@link StandardCharsets#UTF_16BE} instead.
-   *
+   * @deprecated Use {@link StandardCharsets#UTF_16BE} instead.
    */
-  @J2ktIncompatible
-  @GwtIncompatible // Charset not supported by GWT
+  @Deprecated @J2ktIncompatible @GwtIncompatible // Charset not supported by GWT
   public static final Charset UTF_16BE = StandardCharsets.UTF_16BE;
 
   /**
    * UTF-16LE: sixteen-bit UCS Transformation Format, little-endian byte order.
    *
-   * <p><b>Note:</b> this constant is now unnecessary and should be treated as deprecated; use
-   * {@link StandardCharsets#UTF_16LE} instead.
-   *
+   * @deprecated Use {@link StandardCharsets#UTF_16LE} instead.
    */
-  @J2ktIncompatible
-  @GwtIncompatible // Charset not supported by GWT
+  @Deprecated @J2ktIncompatible @GwtIncompatible // Charset not supported by GWT
   public static final Charset UTF_16LE = StandardCharsets.UTF_16LE;
 
   /**
    * UTF-16: sixteen-bit UCS Transformation Format, byte order identified by an optional byte-order
    * mark.
    *
-   * <p><b>Note:</b> this constant is now unnecessary and should be treated as deprecated; use
-   * {@link StandardCharsets#UTF_16} instead.
-   *
+   * @deprecated Use {@link StandardCharsets#UTF_16} instead.
    */
-  @J2ktIncompatible
-  @GwtIncompatible // Charset not supported by GWT
+  @Deprecated @J2ktIncompatible @GwtIncompatible // Charset not supported by GWT
   public static final Charset UTF_16 = StandardCharsets.UTF_16;
 
-  /*
-   * Please do not add new Charset references to this class, unless those character encodings are
-   * part of the set required to be supported by all Java platform implementations! Any Charsets
-   * initialized here may cause unexpected delays when this class is loaded. See the Charset
-   * Javadocs for the list of built-in character encodings.
-   */
+  private Charsets() {}
 }