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java-21-openjdk/alternative-tzdb_dat.patch

112 lines
4.4 KiB
Diff

--- a/src/java.base/share/classes/java/time/zone/TzdbZoneRulesProvider.java
+++ b/src/java.base/share/classes/java/time/zone/TzdbZoneRulesProvider.java
@@ -74,6 +74,7 @@ import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.NavigableMap;
+import java.util.Properties;
import java.util.Set;
import java.util.TreeMap;
import java.util.concurrent.ConcurrentHashMap;
@@ -106,7 +107,14 @@ final class TzdbZoneRulesProvider extends ZoneRulesProvider {
*/
public TzdbZoneRulesProvider() {
try {
- String libDir = StaticProperty.javaHome() + File.separator + "lib";
+ final String homeDir = StaticProperty.javaHome();
+ if (homeDir == null) {
+ throw new Error("java.home is not set");
+ }
+ String libDir = homeDir + File.separator + "lib";
+ String otherDir = getZoneInfoDir(homeDir);
+ if (otherDir != null)
+ libDir = otherDir;
try (DataInputStream dis = new DataInputStream(
new BufferedInputStream(new FileInputStream(
new File(libDir, "tzdb.dat"))))) {
@@ -117,6 +125,28 @@ final class TzdbZoneRulesProvider extends ZoneRulesProvider {
}
}
+ private static String getZoneInfoDir(final String homeDir) {
+ try {
+ File f = new File(homeDir + File.separator + "conf" +
+ File.separator + "tz.properties");
+ if (!f.exists())
+ return null;
+ BufferedInputStream bin = new BufferedInputStream(new FileInputStream(f));
+ Properties props = new Properties();
+ props.load(bin);
+ bin.close();
+ String dir = props.getProperty("sun.zoneinfo.dir");
+ if (dir == null)
+ return null;
+ File tzdbdat = new File(dir, "tzdb.dat");
+ if (tzdbdat.exists())
+ return dir;
+ return null;
+ } catch (Exception x) {
+ return null;
+ }
+ }
+
@Override
protected Set<String> provideZoneIds() {
return new HashSet<>(regionIds);
--- a/src/java.base/share/classes/sun/util/calendar/ZoneInfoFile.java
+++ b/src/java.base/share/classes/sun/util/calendar/ZoneInfoFile.java
@@ -45,6 +45,7 @@ import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
+import java.util.Properties;
import java.util.SimpleTimeZone;
import java.util.concurrent.ConcurrentHashMap;
import java.util.zip.CRC32;
@@ -256,7 +257,15 @@ public final class ZoneInfoFile {
AccessController.doPrivileged(new PrivilegedAction<Void>() {
public Void run() {
try {
- String libDir = StaticProperty.javaHome() + File.separator + "lib";
+ final String homeDir = StaticProperty.javaHome();
+ if (homeDir == null) {
+ throw new Error("java.home is not set");
+ }
+ String libDir = homeDir + File.separator + "lib";
+ String otherDir = getZoneInfoDir(homeDir);
+ if (otherDir != null)
+ libDir = otherDir;
+
try (DataInputStream dis = new DataInputStream(
new BufferedInputStream(new FileInputStream(
new File(libDir, "tzdb.dat"))))) {
@@ -270,6 +279,28 @@ public final class ZoneInfoFile {
});
}
+ private static String getZoneInfoDir(final String homeDir) {
+ try {
+ File f = new File(homeDir + File.separator + "conf" +
+ File.separator + "tz.properties");
+ if (!f.exists())
+ return null;
+ BufferedInputStream bin = new BufferedInputStream(new FileInputStream(f));
+ Properties props = new Properties();
+ props.load(bin);
+ bin.close();
+ String dir = props.getProperty("sun.zoneinfo.dir");
+ if (dir == null)
+ return null;
+ File tzdbdat = new File(dir, "tzdb.dat");
+ if (tzdbdat.exists())
+ return dir;
+ return null;
+ } catch (Exception x) {
+ return null;
+ }
+ }
+
private static void addOldMapping() {
for (String[] alias : oldMappings) {
aliases.put(alias[0], alias[1]);