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ICU-3889 Only look for resources that are the same type as the root resource.

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X-SVN-Rev: 18456
This commit is contained in:
Eric Mader 2005-08-19 22:20:51 +00:00
parent 3879460320
commit 7dab5ba98b
1 changed files with 110 additions and 28 deletions
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138
icu4j/src/com/ibm/icu/util/UResourceBundle.java
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@ -356,9 +356,66 @@ public abstract class UResourceBundle extends ResourceBundle{
}
private static final ResourceCacheKey cacheKey = new ResourceCacheKey();
private static final int ROOT_MISSING = 0;
private static final int ROOT_ICU = 1;
private static final int ROOT_JAVA = 2;
private static SoftReference ROOT_CACHE;
private static int getRootType(String baseName, ClassLoader root)
{
Map m = null;
Integer rootType;
if (ROOT_CACHE != null) {
m = (Map) ROOT_CACHE.get();
}
if (m == null) {
m = new HashMap();
ROOT_CACHE = new SoftReference(m);
}
rootType = (Integer) m.get(baseName);
if (rootType == null) {
String rootLocale = (baseName.indexOf('.')==-1) ? "root" : "";
UResourceBundle b = instantiateICUResource(baseName, rootLocale, root);
int rt = ROOT_ICU;
if (b == null) {
rt = ROOT_JAVA;
try {
b = new ResourceBundleWrapper(baseName, rootLocale, root);
} catch (MissingResourceException mre) {
rt = ROOT_MISSING;
}
}
rootType = new Integer(rt);
m.put(baseName, rootType);
}
return rootType.intValue();
}
private static void setRootType(String baseName, int rootType)
{
Integer rt = new Integer(rootType);
Map m = null;
if (ROOT_CACHE != null) {
m = (Map) ROOT_CACHE.get();
} else {
m = new HashMap();
ROOT_CACHE = new SoftReference(m);
}
m.put(baseName, rt);
}
/**
* Loads a new resource bundle for the give base name, locale and class loader.
* Optionally will disable loading of fallback bundles.
@ -372,33 +429,52 @@ public abstract class UResourceBundle extends ResourceBundle{
* @draft ICU 3.0
* @deprecated This is a draft API and might change in a future release of ICU.
*/
protected static synchronized UResourceBundle instantiateBundle(String baseName, String localeName, ClassLoader root, boolean disableFallback){
// first try to create an ICUResourceBundle
// the expectation is that most client using
// this interface will open an *.res file
protected static synchronized UResourceBundle instantiateBundle(String baseName, String localeName, ClassLoader root, boolean disableFallback)
{
UResourceBundle b = null;
if(disableFallback){
ULocale defaultLocale = ULocale.getDefault();
String fullName = ICUResourceBundleReader.getFullName(baseName, localeName);
cacheKey.setKeyValues(root, fullName, defaultLocale);
b = loadFromCache(cacheKey);
if(b==null){
b = ICUResourceBundle.createBundle(baseName, localeName, root);
int rootType = getRootType(baseName, root);
switch (rootType)
{
case ROOT_ICU:
if(disableFallback) {
ULocale defaultLocale = ULocale.getDefault();
String fullName = ICUResourceBundleReader.getFullName(baseName, localeName);
cacheKey.setKeyValues(root, fullName, defaultLocale);
addToCache(cacheKey, b);
b = loadFromCache(cacheKey);
if (b == null) {
b = ICUResourceBundle.createBundle(baseName, localeName, root);
cacheKey.setKeyValues(root, fullName, defaultLocale);
addToCache(cacheKey, b);
}
} else {
b = instantiateICUResource(baseName, localeName, root);
}
}else{
b = instantiateICUResource(baseName,localeName,root);
return b;
case ROOT_JAVA:
return new ResourceBundleWrapper(baseName, localeName, root);
default:
b = instantiateICUResource(baseName, localeName, root);
if (b == null) {
b = new ResourceBundleWrapper(baseName, localeName, root);
if (b == null){
throw new MissingResourceException("Could not find the bundle ", baseName, localeName);
} else {
setRootType(baseName, ROOT_JAVA);
}
} else {
setRootType(baseName, ROOT_ICU);
}
return b;
}
if(b==null){
// we can't find an *.res file .. so fallback to
// Java ResourceBundle loadeing
b = new ResourceBundleWrapper(baseName, localeName, root);
}
if(b==null){
throw new MissingResourceException("Could not find the bundle ", baseName,localeName );
}
return b;
}
/**
@ -418,12 +494,13 @@ public abstract class UResourceBundle extends ResourceBundle{
* @deprecated This is a draft API and might change in a future release of ICU.
*/
// recursively build bundle
protected static UResourceBundle instantiateICUResource(String baseName,String localeID, ClassLoader root){
protected static UResourceBundle instantiateICUResource(String baseName, String localeID, ClassLoader root){
ULocale defaultLocale = ULocale.getDefault();
String localeName = ULocale.getBaseName(localeID);
String fullName = ICUResourceBundleReader.getFullName(baseName, localeName);
cacheKey.setKeyValues(root, fullName, defaultLocale);
UResourceBundle b = loadFromCache(cacheKey);
// here we assume that java type resource bundle organization
// is required then the base name contains '.' else
// the resource organization is of ICU type
@ -433,12 +510,14 @@ public abstract class UResourceBundle extends ResourceBundle{
//
final String rootLocale = (baseName.indexOf('.')==-1) ? "root" : "";
final String defaultID = ULocale.getDefault().toString();
if(localeName.equals("")){
localeName = rootLocale;
}
if (b == null) {
b = ICUResourceBundle.createBundle(baseName, localeName, root);
if(b==null){
if(b == null){
int i = localeName.lastIndexOf('_');
if (i != -1) {
String temp = localeName.substring(0, i);
@ -460,16 +539,19 @@ public abstract class UResourceBundle extends ResourceBundle{
}
}
}else{
UResourceBundle parent = null;
localeName = b.getLocaleID();
int i = localeName.lastIndexOf('_');
cacheKey.setKeyValues(root, fullName, defaultLocale);
addToCache(cacheKey, b);
UResourceBundle parent = null;
if (i != -1) {
parent = instantiateICUResource(baseName, localeName.substring(0, i), root);
}else{
parent = ICUResourceBundle.createBundle(baseName, rootLocale, root);
}
if(!b.equals(parent)){
b.setParent(parent);
}