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ICU-5851 Replaced usage of sun.io.CharToByteConverter with java.nio.CharsetEncoder in the setup portion

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X-SVN-Rev: 22397
This commit is contained in:
Andrew J Macheret 2007-08-15 23:19:26 +00:00
parent eb3becec62
commit d8dd6ad36a
1 changed files with 21 additions and 9 deletions
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30
icu4j/src/com/ibm/icu/dev/test/perf/ConverterPerformanceTest.java
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@ -16,6 +16,7 @@ import java.nio.CharBuffer;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CharsetEncoder;
import java.nio.charset.CodingErrorAction;
import sun.io.CharToByteConverter;
@ -28,21 +29,32 @@ public class ConverterPerformanceTest extends PerfTest {
public static void main(String[] args) throws Exception {
new ConverterPerformanceTest().run(args);
}
char unicodeBuffer[] = null;
byte encBuffer[] = null;
char[] unicodeBuffer = null;
byte[] encBuffer = null;
protected void setup(String[] args) {
try{
// read in the input file, being careful with a possible BOM
FileInputStream in = new FileInputStream(fileName);
BOMFreeReader reader = new BOMFreeReader(in, encoding);
unicodeBuffer = readToEOS(reader);
//encBuffer = new String(unicodeBuffer).getBytes(testEncoderName);
// TODO: should use built in nio converters (this is just for setup, not for the actual performance test)
CharToByteConverter cbConv = CharToByteConverter.getConverter(testName);
cbConv.setSubstitutionMode(false);
encBuffer = cbConv.convertAll(unicodeBuffer);
}catch(Exception e){
// use java.nio to convert unicodeBuffer from char[] to byte[]
CharBuffer source = CharBuffer.wrap(unicodeBuffer, 0, unicodeBuffer.length);
CharsetEncoder encoder = Charset.forName(encoding).newEncoder();
encoder.onMalformedInput(CodingErrorAction.REPORT);
encoder.onUnmappableCharacter(CodingErrorAction.REPORT);
ByteBuffer target = encoder.encode(source);
// target.array() will probably return what we want, but lets take no chances
encBuffer = new byte[target.limit()];
for (int i=0; i<encBuffer.length; i++)
encBuffer[i] = target.get(i);
// we created some heavy objects, so lets try to clean up a little
gc();
} catch(Exception e){
e.printStackTrace();
throw new RuntimeException(e.getMessage());
}