Migrate Resources.java to use ICU4j drectly.

This change means that NativePluralRules can be removed in its entirety
because this is the only usage of that class.

Using a small benchmark from the NativePluralResources test, ICU4c code
takes 38.6 us and ICU4j code takes 49.2us to execute.

Change-Id: I5dbf643807c024a9c9c0f1292363fa8e39db965a
This commit is contained in:
Rayhaan Jaufeerally
2015-07-15 15:25:15 +01:00
parent 43a2aca4c2
commit b27b305768

View File

@ -19,6 +19,7 @@ package android.content.res;
import android.animation.Animator;
import android.animation.StateListAnimator;
import android.annotation.NonNull;
import android.icu.text.PluralRules;
import android.util.Pools.SynchronizedPool;
import android.view.ViewDebug;
import com.android.internal.util.XmlUtils;
@ -49,8 +50,6 @@ import java.io.InputStream;
import java.lang.ref.WeakReference;
import java.util.Locale;
import libcore.icu.NativePluralRules;
/**
* Class for accessing an application's resources. This sits on top of the
* asset manager of the application (accessible through {@link #getAssets}) and
@ -136,7 +135,7 @@ public class Resources {
final DisplayMetrics mMetrics = new DisplayMetrics();
private final Configuration mConfiguration = new Configuration();
private NativePluralRules mPluralRule;
private PluralRules mPluralRule;
private CompatibilityInfo mCompatibilityInfo = CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO;
@ -321,9 +320,9 @@ public class Resources {
* possibly styled text information.
*/
public CharSequence getQuantityText(int id, int quantity) throws NotFoundException {
NativePluralRules rule = getPluralRule();
PluralRules rule = getPluralRule();
CharSequence res = mAssets.getResourceBagText(id,
attrForQuantityCode(rule.quantityForInt(quantity)));
attrForQuantityCode(rule.select(quantity)));
if (res != null) {
return res;
}
@ -333,40 +332,29 @@ public class Resources {
}
throw new NotFoundException("Plural resource ID #0x" + Integer.toHexString(id)
+ " quantity=" + quantity
+ " item=" + stringForQuantityCode(rule.quantityForInt(quantity)));
+ " item=" + rule.select(quantity));
}
private NativePluralRules getPluralRule() {
private PluralRules getPluralRule() {
synchronized (sSync) {
if (mPluralRule == null) {
mPluralRule = NativePluralRules.forLocale(mConfiguration.locale);
mPluralRule = PluralRules.forLocale(mConfiguration.locale);
}
return mPluralRule;
}
}
private static int attrForQuantityCode(int quantityCode) {
private static int attrForQuantityCode(String quantityCode) {
switch (quantityCode) {
case NativePluralRules.ZERO: return 0x01000005;
case NativePluralRules.ONE: return 0x01000006;
case NativePluralRules.TWO: return 0x01000007;
case NativePluralRules.FEW: return 0x01000008;
case NativePluralRules.MANY: return 0x01000009;
case PluralRules.KEYWORD_ZERO: return 0x01000005;
case PluralRules.KEYWORD_ONE: return 0x01000006;
case PluralRules.KEYWORD_TWO: return 0x01000007;
case PluralRules.KEYWORD_FEW: return 0x01000008;
case PluralRules.KEYWORD_MANY: return 0x01000009;
default: return ID_OTHER;
}
}
private static String stringForQuantityCode(int quantityCode) {
switch (quantityCode) {
case NativePluralRules.ZERO: return "zero";
case NativePluralRules.ONE: return "one";
case NativePluralRules.TWO: return "two";
case NativePluralRules.FEW: return "few";
case NativePluralRules.MANY: return "many";
default: return "other";
}
}
/**
* Return the string value associated with a particular resource ID. It
* will be stripped of any styled text information.
@ -1852,7 +1840,7 @@ public class Resources {
}
synchronized (sSync) {
if (mPluralRule != null) {
mPluralRule = NativePluralRules.forLocale(config.locale);
mPluralRule = PluralRules.forLocale(config.locale);
}
}
}