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src/java.base/share/classes/sun/nio/cs/US_ASCII.java

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8200310: Avoid charset lookup machinery in java.nio.charset.StandardCharsets
Reviewed-by: sherman


  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.nio.cs;
  27 
  28 import java.nio.ByteBuffer;
  29 import java.nio.CharBuffer;
  30 import java.nio.charset.Charset;
  31 import java.nio.charset.CharsetDecoder;
  32 import java.nio.charset.CharsetEncoder;
  33 import java.nio.charset.CoderResult;
  34 
  35 public class US_ASCII
  36     extends Charset
  37     implements HistoricallyNamedCharset
  38 {
  39     public static final US_ASCII INSTANCE = new US_ASCII();
  40 
  41     public US_ASCII() {
  42         super("US-ASCII", StandardCharsets.aliases_US_ASCII());
  43     }
  44 
  45     public String historicalName() {
  46         return "ASCII";
  47     }
  48 
  49     public boolean contains(Charset cs) {
  50         return (cs instanceof US_ASCII);
  51     }
  52 
  53     public CharsetDecoder newDecoder() {
  54         return new Decoder(this);
  55     }
  56 
  57     public CharsetEncoder newEncoder() {
  58         return new Encoder(this);
  59     }
  60 




  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.nio.cs;
  27 
  28 import java.nio.ByteBuffer;
  29 import java.nio.CharBuffer;
  30 import java.nio.charset.Charset;
  31 import java.nio.charset.CharsetDecoder;
  32 import java.nio.charset.CharsetEncoder;
  33 import java.nio.charset.CoderResult;
  34 
  35 public class US_ASCII
  36     extends Charset
  37     implements HistoricallyNamedCharset
  38 {


  39     public US_ASCII() {
  40         super("US-ASCII", StandardCharsets.aliases_US_ASCII());
  41     }
  42 
  43     public String historicalName() {
  44         return "ASCII";
  45     }
  46 
  47     public boolean contains(Charset cs) {
  48         return (cs instanceof US_ASCII);
  49     }
  50 
  51     public CharsetDecoder newDecoder() {
  52         return new Decoder(this);
  53     }
  54 
  55     public CharsetEncoder newEncoder() {
  56         return new Encoder(this);
  57     }
  58 


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