public static void main(String[] args) throws Throwable {
final int itrs = Integer.getInteger("iterations", 100000);
// final int itrs = Integer.getInteger("iterations", 12);
final int size = Integer.getInteger("size", 2048);
final int subsize = Integer.getInteger("subsize", 128);
final int maxchar = Integer.getInteger("maxchar", 128);
final String regex = System.getProperty("filter");
final Pattern filter = (regex == null) ? null : Pattern.compile(regex);
final boolean useSecurityManager = Boolean.getBoolean("SecurityManager");
if (useSecurityManager) System.setSecurityManager(new PermissiveSecurityManger());
final Random rnd = new Random();
String[] csns =
new String[] {
"Big5",
"Johab",
"EUC_CN",
"EUC_KR",
"MS932",
"MS936",
"MS949",
"MS950",
"GBK",
"Big5_HKSCS",
"Big5_HKSCS_2001",
"Big5_Solaris",
"MS950_HKSCS",
"MS950_HKSCS_XP",
"IBM1364",
"IBM1381",
"IBM1383",
"IBM930",
"IBM933",
"IBM935",
"IBM937",
"IBM939",
"IBM942",
"IBM943",
"IBM948",
"IBM949",
"IBM950",
"IBM970",
};
ArrayList<long[]> sum = new ArrayList<>();
for (final String csn : csns) {
final Charset cs = Charset.forName(csn);
List<Integer> cps = new ArrayList<>(0x4000);
int off = 0;
int cp = 0;
int n = 0;
CharsetEncoder enc = cs.newEncoder();
while (cp < 0x10000 && n < cps.size()) {
if (enc.canEncode((char) cp)) {
cps.add(cp);
n++;
}
cp++;
}
Collections.shuffle(cps);
char[] ca = new char[cps.size()];
for (int i = 0; i < cps.size(); i++) ca[i] = (char) (int) cps.get(i);
System.out.printf("%n--------%s---------%n", csn);
for (int sz = 8; sz <= 2048; sz *= 2) {
System.out.printf(" [len=%d]%n", sz);
final char[] chars = Arrays.copyOf(ca, sz);
final String str = new String(chars);
final byte[] bs = str.getBytes(cs);
Job[] jobs = {
new Job("String decode: csn") {
public void work() throws Throwable {
for (int i = 0; i < itrs; i++) new String(bs, csn);
}
},
new Job("String decode: cs") {
public void work() throws Throwable {
for (int i = 0; i < itrs; i++) new String(bs, cs);
}
},
new Job("String encode: csn") {
public void work() throws Throwable {
for (int i = 0; i < itrs; i++) str.getBytes(csn);
}
},
new Job("String encode: cs") {
public void work() throws Throwable {
for (int i = 0; i < itrs; i++) str.getBytes(cs);
}
},
};
sum.add(time(jobs));
}
}
}
/**
* Returns boolean value from system property or provided function.
*
* @param propName System property host.
* @param dflt Function that returns {@code Boolean}.
* @return {@code Boolean} value
*/
public static boolean boolValue(String propName, boolean dflt) {
String sysProp = getProperty(propName);
return (sysProp != null && !sysProp.isEmpty()) ? Boolean.getBoolean(sysProp) : dflt;
}
