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8185496: Improve performance of system properties initialization in initPhase1

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8213424: VersionProps duplicate and skipped initialization

Reviewed-by: mchung, redestad, dholmes
This commit is contained in:
Roger Riggs 2018-11-09 13:28:16 -05:00
parent 1b20a6781f
commit 29e742273e
12 changed files with 311 additions and 184 deletions
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17
src/java.base/share/classes/java/lang/VersionProps.java.template
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@ -29,6 +29,7 @@ import java.io.PrintStream;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
import java.util.Properties;
class VersionProps {
@ -69,17 +70,13 @@ class VersionProps {
(VENDOR_VERSION_STRING.length() > 0
? " " + VENDOR_VERSION_STRING : "");
static {
init();
}
public static void init() {
System.setProperty("java.version", java_version);
System.setProperty("java.version.date", java_version_date);
System.setProperty("java.runtime.version", java_runtime_version);
System.setProperty("java.runtime.name", java_runtime_name);
public static void init(Properties props) {
props.setProperty("java.version", java_version);
props.setProperty("java.version.date", java_version_date);
props.setProperty("java.runtime.version", java_runtime_version);
props.setProperty("java.runtime.name", java_runtime_name);
if (VENDOR_VERSION_STRING.length() > 0)
System.setProperty("java.vendor.version", VENDOR_VERSION_STRING);
props.setProperty("java.vendor.version", VENDOR_VERSION_STRING);
}
private static int parseVersionNumber(String version, int prevIndex, int index) {