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8234147: Avoid looking up standard charsets in core libraries

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Reviewed-by: alanb
This commit is contained in:
Ivan Gerasimov 2019-12-01 15:29:37 -08:00
parent 4e64af81a2
commit cd589d8469
36 changed files with 200 additions and 237 deletions
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12
src/java.base/share/classes/java/util/jar/Attributes.java
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@ -36,9 +36,9 @@ import java.util.Set;
import jdk.internal.misc.VM;
import jdk.internal.vm.annotation.Stable;
import sun.util.logging.PlatformLogger;
import static java.nio.charset.StandardCharsets.UTF_8;
import sun.nio.cs.UTF_8;
import sun.util.logging.PlatformLogger;
/**
* The Attributes class maps Manifest attribute names to associated string
@ -337,7 +337,7 @@ public class Attributes implements Map<Object,Object>, Cloneable {
buffer.append(vername);
buffer.append(": ");
buffer.append(version);
out.write(buffer.toString().getBytes(UTF_8));
out.write(buffer.toString().getBytes(UTF_8.INSTANCE));
Manifest.println(out);
}
@ -399,7 +399,7 @@ public class Attributes implements Map<Object,Object>, Cloneable {
lastline = buf;
continue;
}
value = new String(buf, 0, buf.length, UTF_8);
value = new String(buf, 0, buf.length, UTF_8.INSTANCE);
lastline = null;
} else {
while (lbuf[i++] != ':') {
@ -412,13 +412,13 @@ public class Attributes implements Map<Object,Object>, Cloneable {
throw new IOException("invalid header field ("
+ Manifest.getErrorPosition(filename, lineNumber) + ")");
}
name = new String(lbuf, 0, i - 2, UTF_8);
name = new String(lbuf, 0, i - 2, UTF_8.INSTANCE);
if (is.peek() == ' ') {
lastline = new byte[len - i];
System.arraycopy(lbuf, i, lastline, 0, len - i);
continue;
}
value = new String(lbuf, i, len - i, UTF_8);
value = new String(lbuf, i, len - i, UTF_8.INSTANCE);
}
try {
if ((putValue(name, value) != null) && (!lineContinued)) {