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Cache CLDRReader data between builds

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This commit is contained in:
Alexey Andreev 2017-11-05 14:51:24 +03:00
parent 6817618b4e
commit 2a07e67423
2 changed files with 17 additions and 8 deletions
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2
classlib/src/main/java/org/teavm/classlib/impl/JCLPlugin.java
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@ -48,7 +48,7 @@ public class JCLPlugin implements TeaVMPlugin {
JavacSupport javacSupport = new JavacSupport();
host.add(javacSupport);
host.registerService(CLDRReader.class, new CLDRReader(host.getProperties(), host.getClassLoader()));
host.registerService(CLDRReader.class, CLDRReader.getInstance(host.getProperties(), host.getClassLoader()));
host.add(new ClassForNameTransformer());
host.add(new AnnotationDependencyListener());

23
classlib/src/main/java/org/teavm/classlib/impl/unicode/CLDRReader.java
View File

@ -35,7 +35,8 @@ import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
public class CLDRReader {
private static String[] weekdayKeys = { "sun", "mon", "tue", "wed", "thu", "fri", "sat" };
private static final String[] weekdayKeys = { "sun", "mon", "tue", "wed", "thu", "fri", "sat" };
private static CLDRReader lastInstance;
private Map<String, CLDRLocale> knownLocales = new LinkedHashMap<>();
private Map<String, Integer> minDaysMap = new LinkedHashMap<>();
private Map<String, Integer> firstDayMap = new LinkedHashMap<>();
@ -44,24 +45,32 @@ public class CLDRReader {
private Set<String> availableLanguages = new LinkedHashSet<>();
private Set<String> availableCountries = new LinkedHashSet<>();
private boolean initialized;
private Properties properties;
private ClassLoader classLoader;
private String availableLocalesString;
public CLDRReader(Properties properties, ClassLoader classLoader) {
this.properties = properties;
private CLDRReader(ClassLoader classLoader, String availableLocalesString) {
this.classLoader = classLoader;
this.availableLocalesString = availableLocalesString;
}
public static CLDRReader getInstance(Properties properties, ClassLoader classLoader) {
String availableLocalesString = properties.getProperty("java.util.Locale.available", "en_EN").trim();
if (lastInstance == null || !lastInstance.availableLocalesString.equals(availableLocalesString)
|| lastInstance.classLoader != classLoader) {
lastInstance = new CLDRReader(classLoader, availableLocalesString);
}
return lastInstance;
}
private synchronized void ensureInitialized() {
if (!initialized) {
initialized = true;
findAvailableLocales(properties);
findAvailableLocales();
readCLDR(classLoader);
}
}
private void findAvailableLocales(Properties properties) {
String availableLocalesString = properties.getProperty("java.util.Locale.available", "en_EN").trim();
private void findAvailableLocales() {
for (String locale : Arrays.asList(availableLocalesString.split(" *, *"))) {
int countryIndex = locale.indexOf('_');
if (countryIndex > 0) {