8141132: JEP 254: Compact Strings
Summary: Adopt a more space-efficient internal representation for strings.
Reviewed-by: alanb, bdelsart, coleenp, iklam, jiangli, jrose, kevinw, naoto, pliden, roland, smarks, twisti
Contributed-by: Brent Christian <brent.christian@oracle.com>, Vivek Deshpande <vivek.r.deshpande@intel.com>, Tobias Hartmann <tobias.hartmann@oracle.com>, Charlie Hunt <charlie.hunt@oracle.com>, Vladimir Kozlov <vladimir.kozlov@oracle.com>, Roger Riggs <roger.riggs@oracle.com>, Xueming Shen <xueming.shen@oracle.com>, Aleksey Shipilev <aleksey.shipilev@oracle.com>, Sandhya Viswanathan <sandhya.viswanathan@intel.com>
/*
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// -- This file was mechanically generated: Do not edit! -- //
package $PACKAGE$;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CharsetEncoder;
import java.util.Arrays;
import sun.nio.cs.HistoricallyNamedCharset;
import sun.nio.cs.DoubleByte;
import sun.nio.cs.*;
public class $NAME_CLZ$ extends Charset
$IMPLEMENTS$
{
public $NAME_CLZ$() {
super("$NAME_CS$", $NAME_ALIASES$);
}
$HISTORICALNAME$
public boolean contains(Charset cs) {
$CONTAINS$
}
public CharsetDecoder newDecoder() {
initb2c();
return new DoubleByte.Decoder$DECTYPE$(this, b2c, b2cSB, $B2MIN$, $B2MAX$, $ASCIICOMPATIBLE$);
}
public CharsetEncoder newEncoder() {
initc2b();
return new DoubleByte.Encoder$ENCTYPE$(this, $ENC_REPLACEMENT$ c2b, c2bIndex, $ASCIICOMPATIBLE$);
}
$B2C$
static char[][] b2c = new char[b2cStr.length][];
static char[] b2cSB;
private static volatile boolean b2cInitialized = false;
static void initb2c() {
if (b2cInitialized)
return;
synchronized (b2c) {
if (b2cInitialized)
return;
for (int i = 0; i < b2cStr.length; i++) {
if (b2cStr[i] == null)
b2c[i] = DoubleByte.B2C_UNMAPPABLE;
else
b2c[i] = b2cStr[i].toCharArray();
}
b2cSB = b2cSBStr.toCharArray();
b2cInitialized = true;
}
}
static char[] c2b = new char[$C2BLENGTH$];
static char[] c2bIndex = new char[0x100];
private static volatile boolean c2bInitialized = false;
static void initc2b() {
if (c2bInitialized)
return;
synchronized (c2b) {
if (c2bInitialized)
return;
$NONROUNDTRIP_B2C$
$NONROUNDTRIP_C2B$
DoubleByte.Encoder.initC2B(b2cStr, b2cSBStr, b2cNR, c2bNR,
$B2MIN$, $B2MAX$,
c2b, c2bIndex);
c2bInitialized = true;
}
}
}