Code drop from //branches/cupcake/...@124589

1 files changed, 623 insertions, 0 deletions

diff --git a/core/jni/android_text_format_Time.cpp b/core/jni/android_text_format_Time.cpp
new file mode 100644
index 0000000..8e41ec7
--- /dev/null
+++ b/core/jni/android_text_format_Time.cpp
@@ -0,0 +1,623 @@
+/*
+** Copyright 2006, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+
+#define LOG_TAG "Log_println"
+
+#include <utils/Log.h>
+#include <utils/String8.h>
+#include <assert.h>
+
+#include "jni.h"
+#include "utils/misc.h"
+#include "android_runtime/AndroidRuntime.h"
+#include <utils/TimeUtils.h>
+#include <nativehelper/JNIHelp.h>
+#include <cutils/tztime.h>
+
+namespace android {
+
+static jfieldID g_allDayField = 0;
+static jfieldID g_secField = 0;
+static jfieldID g_minField = 0;
+static jfieldID g_hourField = 0;
+static jfieldID g_mdayField = 0;
+static jfieldID g_monField = 0;
+static jfieldID g_yearField = 0;
+static jfieldID g_wdayField = 0;
+static jfieldID g_ydayField = 0;
+static jfieldID g_isdstField = 0;
+static jfieldID g_gmtoffField = 0;
+static jfieldID g_timezoneField = 0;
+
+static jfieldID g_shortMonthsField = 0;
+static jfieldID g_longMonthsField = 0;
+static jfieldID g_shortWeekdaysField = 0;
+static jfieldID g_longWeekdaysField = 0;
+static jfieldID g_timeOnlyFormatField = 0;
+static jfieldID g_dateOnlyFormatField = 0;
+static jfieldID g_dateTimeFormatField = 0;
+static jfieldID g_amField = 0;
+static jfieldID g_pmField = 0;
+static jfieldID g_dateCommandField = 0;
+
+static inline bool java2time(JNIEnv* env, Time* t, jobject o)
+{
+    t->t.tm_sec = env->GetIntField(o, g_secField);
+    t->t.tm_min = env->GetIntField(o, g_minField);
+    t->t.tm_hour = env->GetIntField(o, g_hourField);
+    t->t.tm_mday = env->GetIntField(o, g_mdayField);
+    t->t.tm_mon = env->GetIntField(o, g_monField);
+    t->t.tm_year = (env->GetIntField(o, g_yearField))-1900;
+    t->t.tm_wday = env->GetIntField(o, g_wdayField);
+    t->t.tm_yday = env->GetIntField(o, g_ydayField);
+    t->t.tm_isdst = env->GetIntField(o, g_isdstField);
+    t->t.tm_gmtoff = env->GetLongField(o, g_gmtoffField);
+    bool allDay = env->GetIntField(o, g_allDayField);
+    if (allDay &&
+	((t->t.tm_sec !=0) || (t->t.tm_min != 0) || (t->t.tm_hour != 0))) {
+        char msg[100];
+	sprintf(msg, "allDay is true but sec, min, hour are not 0.");
+	jniThrowException(env, "java/lang/IllegalArgumentException", msg);
+	return false;
+    }
+    return true;
+}
+
+static inline void time2java(JNIEnv* env, jobject o, const Time &t)
+{
+    env->SetIntField(o, g_secField, t.t.tm_sec);
+    env->SetIntField(o, g_minField, t.t.tm_min);
+    env->SetIntField(o, g_hourField, t.t.tm_hour);
+    env->SetIntField(o, g_mdayField, t.t.tm_mday);
+    env->SetIntField(o, g_monField, t.t.tm_mon);
+    env->SetIntField(o, g_yearField, t.t.tm_year+1900);
+    env->SetIntField(o, g_wdayField, t.t.tm_wday);
+    env->SetIntField(o, g_ydayField, t.t.tm_yday);
+    env->SetIntField(o, g_isdstField, t.t.tm_isdst);
+    env->SetLongField(o, g_gmtoffField, t.t.tm_gmtoff);
+}
+
+#define ACQUIRE_TIMEZONE(This, t) \
+    jstring timezoneString_##This \
+            = (jstring) env->GetObjectField(This, g_timezoneField); \
+    t.timezone = env->GetStringUTFChars(timezoneString_##This, NULL);
+
+#define RELEASE_TIMEZONE(This, t) \
+    env->ReleaseStringUTFChars(timezoneString_##This, t.timezone);
+
+
+// ============================================================================
+
+static jlong android_text_format_Time_normalize(JNIEnv* env, jobject This,
+                                           jboolean ignoreDst)
+{
+    Time t;
+    if (!java2time(env, &t, This)) return 0L;
+    ACQUIRE_TIMEZONE(This, t)
+
+    int64_t result = t.toMillis(ignoreDst != 0);
+
+    time2java(env, This, t);
+    RELEASE_TIMEZONE(This, t)
+
+    return result;
+}
+
+static void android_text_format_Time_switchTimezone(JNIEnv* env, jobject This,
+                            jstring timezoneObject)
+{
+    Time t;
+    if (!java2time(env, &t, This)) return;
+    ACQUIRE_TIMEZONE(This, t)
+
+    const char* timezone = env->GetStringUTFChars(timezoneObject, NULL);
+
+    t.switchTimezone(timezone);
+
+    time2java(env, This, t);
+    env->ReleaseStringUTFChars(timezoneObject, timezone);
+    RELEASE_TIMEZONE(This, t)
+
+    // we do this here because there's no point in reallocating the string
+    env->SetObjectField(This, g_timezoneField, timezoneObject);
+}
+
+static jint android_text_format_Time_compare(JNIEnv* env, jobject clazz,
+                            jobject aObject, jobject bObject)
+{
+    Time a, b;
+
+    if (!java2time(env, &a, aObject)) return 0;
+    ACQUIRE_TIMEZONE(aObject, a)
+
+    if (!java2time(env, &b, bObject)) return 0;
+    ACQUIRE_TIMEZONE(bObject, b)
+
+    int result = Time::compare(a, b);
+
+    RELEASE_TIMEZONE(aObject, a)
+    RELEASE_TIMEZONE(bObject, b)
+
+    return result;
+}
+
+static jstring android_text_format_Time_format2445(JNIEnv* env, jobject This)
+{
+    Time t;
+    if (!java2time(env, &t, This)) return env->NewStringUTF("");
+    bool allDay = env->GetIntField(This, g_allDayField);
+    
+    if (!allDay) {
+        ACQUIRE_TIMEZONE(This, t)
+        bool inUtc = strcmp("UTC", t.timezone) == 0;
+        short buf[16];
+        t.format2445(buf, true);
+        RELEASE_TIMEZONE(This, t)
+        if (inUtc) {
+            // The letter 'Z' is appended to the end so allow for one
+            // more character in the buffer.
+            return env->NewString((jchar*)buf, 16);
+        } else {
+            return env->NewString((jchar*)buf, 15);
+        }
+    } else {
+        short buf[8];
+        t.format2445(buf, false);
+        return env->NewString((jchar*)buf, 8);
+    }
+}
+
+static jstring android_text_format_Time_format(JNIEnv* env, jobject This,
+                            jstring formatObject)
+{
+    Time t;
+    struct strftime_locale locale;
+    jclass timeClass = env->FindClass("android/text/format/Time");
+    jstring js_mon[12], js_month[12], js_wday[7], js_weekday[7];
+    jstring js_X_fmt, js_x_fmt, js_c_fmt, js_am, js_pm, js_date_fmt;
+    jobjectArray ja;
+
+    if (!java2time(env, &t, This)) return env->NewStringUTF("");
+
+    ja = (jobjectArray) env->GetStaticObjectField(timeClass, g_shortMonthsField);
+    for (int i = 0; i < 12; i++) {
+        js_mon[i] = (jstring) env->GetObjectArrayElement(ja, i);
+        locale.mon[i] = env->GetStringUTFChars(js_mon[i], NULL);
+    }
+
+    ja = (jobjectArray) env->GetStaticObjectField(timeClass, g_longMonthsField);
+    for (int i = 0; i < 12; i++) {
+        js_month[i] = (jstring) env->GetObjectArrayElement(ja, i);
+        locale.month[i] = env->GetStringUTFChars(js_month[i], NULL);
+    }
+
+    ja = (jobjectArray) env->GetStaticObjectField(timeClass, g_shortWeekdaysField);
+    for (int i = 0; i < 7; i++) {
+        js_wday[i] = (jstring) env->GetObjectArrayElement(ja, i);
+        locale.wday[i] = env->GetStringUTFChars(js_wday[i], NULL);
+    }
+
+    ja = (jobjectArray) env->GetStaticObjectField(timeClass, g_longWeekdaysField);
+    for (int i = 0; i < 7; i++) {
+        js_weekday[i] = (jstring) env->GetObjectArrayElement(ja, i);
+        locale.weekday[i] = env->GetStringUTFChars(js_weekday[i], NULL);
+    }
+
+    js_X_fmt = (jstring) env->GetStaticObjectField(timeClass, g_timeOnlyFormatField);
+    locale.X_fmt = env->GetStringUTFChars(js_X_fmt, NULL);
+
+    js_x_fmt = (jstring) env->GetStaticObjectField(timeClass, g_dateOnlyFormatField);
+    locale.x_fmt = env->GetStringUTFChars(js_x_fmt, NULL);
+
+    js_c_fmt = (jstring) env->GetStaticObjectField(timeClass, g_dateTimeFormatField);
+    locale.c_fmt = env->GetStringUTFChars(js_c_fmt, NULL);
+
+    js_am = (jstring) env->GetStaticObjectField(timeClass, g_amField);
+    locale.am = env->GetStringUTFChars(js_am, NULL);
+
+    js_pm = (jstring) env->GetStaticObjectField(timeClass, g_pmField);
+    locale.pm = env->GetStringUTFChars(js_pm, NULL);
+
+    js_date_fmt = (jstring) env->GetStaticObjectField(timeClass, g_dateCommandField);
+    locale.date_fmt = env->GetStringUTFChars(js_date_fmt, NULL);
+
+    ACQUIRE_TIMEZONE(This, t)
+
+    const char* format = env->GetStringUTFChars(formatObject, NULL);
+
+    String8 r = t.format(format, &locale);
+
+    env->ReleaseStringUTFChars(formatObject, format);
+    RELEASE_TIMEZONE(This, t)
+
+    for (int i = 0; i < 12; i++) {
+        env->ReleaseStringUTFChars(js_mon[i], locale.mon[i]);
+        env->ReleaseStringUTFChars(js_month[i], locale.month[i]);
+    }
+
+    for (int i = 0; i < 7; i++) {
+        env->ReleaseStringUTFChars(js_wday[i], locale.wday[i]);
+        env->ReleaseStringUTFChars(js_weekday[i], locale.weekday[i]);
+    }
+
+    env->ReleaseStringUTFChars(js_X_fmt, locale.X_fmt);
+    env->ReleaseStringUTFChars(js_x_fmt, locale.x_fmt);
+    env->ReleaseStringUTFChars(js_c_fmt, locale.c_fmt);
+    env->ReleaseStringUTFChars(js_am, locale.am);
+    env->ReleaseStringUTFChars(js_pm, locale.pm);
+    env->ReleaseStringUTFChars(js_date_fmt, locale.date_fmt);
+
+    return env->NewStringUTF(r.string());
+}
+
+
+static jstring android_text_format_Time_toString(JNIEnv* env, jobject This)
+{
+    Time t;
+    if (!java2time(env, &t, This)) return env->NewStringUTF("");;
+    ACQUIRE_TIMEZONE(This, t)
+
+    String8 r = t.toString();
+
+    RELEASE_TIMEZONE(This, t)
+
+    return env->NewStringUTF(r.string());
+}
+
+static void android_text_format_Time_setToNow(JNIEnv* env, jobject This)
+{
+    env->SetBooleanField(This, g_allDayField, JNI_FALSE);
+    Time t;
+    ACQUIRE_TIMEZONE(This, t)
+
+    t.setToNow();
+
+    time2java(env, This, t);
+    RELEASE_TIMEZONE(This, t)
+}
+
+static jlong android_text_format_Time_toMillis(JNIEnv* env, jobject This,
+                                        jboolean ignoreDst)
+{
+    Time t;
+    if (!java2time(env, &t, This)) return 0L;
+    ACQUIRE_TIMEZONE(This, t)
+
+    int64_t result = t.toMillis(ignoreDst != 0);
+
+    RELEASE_TIMEZONE(This, t)
+
+    return result;
+}
+
+static void android_text_format_Time_set(JNIEnv* env, jobject This, jlong millis)
+{
+    env->SetBooleanField(This, g_allDayField, JNI_FALSE);
+    Time t;
+    if (!java2time(env, &t, This)) return;
+    ACQUIRE_TIMEZONE(This, t)
+
+    t.set(millis);
+
+    time2java(env, This, t);
+    RELEASE_TIMEZONE(This, t)
+}
+
+
+// ============================================================================
+// Just do this here because it's not worth recreating the strings
+
+static int get_char(JNIEnv* env, const jchar *s, int spos, int mul,
+                    bool *thrown)
+{
+    jchar c = s[spos];
+    if (c >= '0' && c <= '9') {
+        return (c - '0') * mul;
+    } else {
+        char msg[100];
+        sprintf(msg, "Parse error at pos=%d", spos);
+        jniThrowException(env, "android/util/TimeFormatException", msg);
+        *thrown = true;
+        return 0;
+    }
+}
+
+static bool check_char(JNIEnv* env, const jchar *s, int spos, jchar expected)
+{
+    jchar c = s[spos];
+    if (c != expected) {
+        char msg[100];
+	sprintf(msg, "Unexpected %c at pos=%d.  Expected %c.", c, spos,
+		expected);
+	jniThrowException(env, "android/util/TimeFormatException", msg);
+	return false;
+    }
+    return true;
+}
+
+
+static jboolean android_text_format_Time_parse(JNIEnv* env, jobject This, jstring strObj)
+{
+    jsize len = env->GetStringLength(strObj);
+    const jchar *s = env->GetStringChars(strObj, NULL);
+
+    bool thrown = false;
+    int n;
+    jboolean inUtc = false;
+
+    if (len < 8) {
+        char msg[100];
+        sprintf(msg, "String too short -- expected at least 8 characters.");
+	jniThrowException(env, "android/util/TimeFormatException", msg);
+	return false;
+    }
+
+    // year
+    n = get_char(env, s, 0, 1000, &thrown);
+    n += get_char(env, s, 1, 100, &thrown);
+    n += get_char(env, s, 2, 10, &thrown);
+    n += get_char(env, s, 3, 1, &thrown);
+    if (thrown) return false;
+    env->SetIntField(This, g_yearField, n);
+
+    // month
+    n = get_char(env, s, 4, 10, &thrown);
+    n += get_char(env, s, 5, 1, &thrown);
+    n--;
+    if (thrown) return false;
+    env->SetIntField(This, g_monField, n);
+
+    // day of month
+    n = get_char(env, s, 6, 10, &thrown);
+    n += get_char(env, s, 7, 1, &thrown);
+    if (thrown) return false;
+    env->SetIntField(This, g_mdayField, n);
+
+    if (len > 8) {
+        // T
+        if (!check_char(env, s, 8, 'T')) return false;
+        env->SetBooleanField(This, g_allDayField, JNI_FALSE);
+
+        // hour
+        n = get_char(env, s, 9, 10, &thrown);
+        n += get_char(env, s, 10, 1, &thrown);
+        if (thrown) return false;
+        env->SetIntField(This, g_hourField, n);
+
+        // min
+        n = get_char(env, s, 11, 10, &thrown);
+        n += get_char(env, s, 12, 1, &thrown);
+        if (thrown) return false;
+        env->SetIntField(This, g_minField, n);
+
+        // sec
+        n = get_char(env, s, 13, 10, &thrown);
+        n += get_char(env, s, 14, 1, &thrown);
+        if (thrown) return false;
+        env->SetIntField(This, g_secField, n);
+
+        if (len > 15) {
+            // Z
+            if (!check_char(env, s, 15, 'Z')) return false;
+	    inUtc = true;
+        }
+    } else {
+        env->SetBooleanField(This, g_allDayField, JNI_TRUE);
+        env->SetIntField(This, g_hourField, 0);
+        env->SetIntField(This, g_minField, 0);
+        env->SetIntField(This, g_secField, 0);
+    }
+
+    env->SetIntField(This, g_wdayField, 0);
+    env->SetIntField(This, g_ydayField, 0);
+    env->SetIntField(This, g_isdstField, -1);
+    env->SetLongField(This, g_gmtoffField, 0);
+    
+    env->ReleaseStringChars(strObj, s);
+    return inUtc;
+}
+
+static jboolean android_text_format_Time_parse3339(JNIEnv* env, 
+                                           jobject This, 
+                                           jstring strObj)
+{
+    jsize len = env->GetStringLength(strObj);
+    const jchar *s = env->GetStringChars(strObj, NULL);
+
+    bool thrown = false;
+    int n;
+    jboolean inUtc = false;
+
+    // year
+    n = get_char(env, s, 0, 1000, &thrown);    
+    n += get_char(env, s, 1, 100, &thrown);
+    n += get_char(env, s, 2, 10, &thrown);
+    n += get_char(env, s, 3, 1, &thrown);
+    if (thrown) return false;
+    env->SetIntField(This, g_yearField, n);
+    
+    // -
+    if (!check_char(env, s, 4, '-')) return false;
+    
+    // month
+    n = get_char(env, s, 5, 10, &thrown);
+    n += get_char(env, s, 6, 1, &thrown);
+    --n;
+    if (thrown) return false;
+    env->SetIntField(This, g_monField, n);
+
+    // -
+    if (!check_char(env, s, 7, '-')) return false;
+
+    // day
+    n = get_char(env, s, 8, 10, &thrown);
+    n += get_char(env, s, 9, 1, &thrown);
+    if (thrown) return false;
+    env->SetIntField(This, g_mdayField, n);
+
+    if (len >= 17) {
+        // T
+        if (!check_char(env, s, 10, 'T')) return false;
+
+	env->SetBooleanField(This, g_allDayField, JNI_FALSE);
+        // hour
+        n = get_char(env, s, 11, 10, &thrown);
+        n += get_char(env, s, 12, 1, &thrown);
+        if (thrown) return false;
+	int hour = n;
+        // env->SetIntField(This, g_hourField, n);
+	
+	// :
+	if (!check_char(env, s, 13, ':')) return false;
+
+	// minute
+        n = get_char(env, s, 14, 10, &thrown);
+        n += get_char(env, s, 15, 1, &thrown);
+        if (thrown) return false;
+	int minute = n;
+        // env->SetIntField(This, g_minField, n);
+
+	// :
+	if (!check_char(env, s, 16, ':')) return false;
+
+	// second
+        n = get_char(env, s, 17, 10, &thrown);
+        n += get_char(env, s, 18, 1, &thrown);
+        if (thrown) return false;
+        env->SetIntField(This, g_secField, n);
+
+	// skip the '.XYZ' -- we don't care about subsecond precision.
+        int offset = 0;
+	if (len >= 23) {
+	    char c = s[23];
+
+	    // NOTE: the offset is meant to be subtracted to get from local time
+	    // to UTC.  we therefore use 1 for '-' and -1 for '+'.
+	    switch (c) {
+	    case 'Z':
+	        // Zulu time -- UTC
+	        offset = 0;
+		break;
+	    case '-': 
+                offset = 1;
+	        break;
+	    case '+': 
+                offset = -1;
+	        break;
+	    default:
+	        char msg[100];
+	        sprintf(msg, "Unexpected %c at position 19.  Expected + or -",
+			c);
+	        jniThrowException(env, "android/util/TimeFormatException", msg);
+	        return false;
+	    }
+            inUtc = true;
+
+	    if (offset != 0) {
+	        // hour
+	        n = get_char(env, s, 24, 10, &thrown);
+		n += get_char(env, s, 25, 1, &thrown);
+		if (thrown) return false;
+		n *= offset;
+		hour += n;
+
+		// :
+		if (!check_char(env, s, 26, ':')) return false;
+	    
+		// minute
+		n = get_char(env, s, 27, 10, &thrown);
+		n += get_char(env, s, 28, 1, &thrown);
+		if (thrown) return false;
+		n *= offset;
+		minute += n;
+	    }
+	}
+	env->SetIntField(This, g_hourField, hour);
+        env->SetIntField(This, g_minField, minute);
+
+	if (offset != 0) {
+	    // we need to normalize after applying the hour and minute offsets
+	    android_text_format_Time_normalize(env, This, false /* use isdst */);
+	    // The timezone is set to UTC in the calling Java code.
+	}
+    } else {
+	env->SetBooleanField(This, g_allDayField, JNI_TRUE);
+        env->SetIntField(This, g_hourField, 0);
+        env->SetIntField(This, g_minField, 0);
+        env->SetIntField(This, g_secField, 0);
+    }
+
+    env->SetIntField(This, g_wdayField, 0);
+    env->SetIntField(This, g_ydayField, 0);
+    env->SetIntField(This, g_isdstField, -1);
+    env->SetLongField(This, g_gmtoffField, 0);
+    
+    env->ReleaseStringChars(strObj, s);
+    return inUtc;
+}
+
+// ============================================================================
+/*
+ * JNI registration.
+ */
+static JNINativeMethod gMethods[] = {
+    /* name, signature, funcPtr */
+    { "normalize",               "(Z)J",                                        (void*)android_text_format_Time_normalize },
+    { "switchTimezone",          "(Ljava/lang/String;)V",                       (void*)android_text_format_Time_switchTimezone },
+    { "compare",                 "(Landroid/text/format/Time;Landroid/text/format/Time;)I",     (void*)android_text_format_Time_compare },
+    { "format1",                 "(Ljava/lang/String;)Ljava/lang/String;",      (void*)android_text_format_Time_format },
+    { "format2445",              "()Ljava/lang/String;",                        (void*)android_text_format_Time_format2445 },
+    { "toString",                "()Ljava/lang/String;",                        (void*)android_text_format_Time_toString },
+    { "nativeParse",             "(Ljava/lang/String;)Z",                       (void*)android_text_format_Time_parse },
+    { "nativeParse3339",         "(Ljava/lang/String;)Z",                       (void*)android_text_format_Time_parse3339 },
+    { "setToNow",                "()V",                                         (void*)android_text_format_Time_setToNow },
+    { "toMillis",                "(Z)J",                                        (void*)android_text_format_Time_toMillis },
+    { "set",                     "(J)V",                                        (void*)android_text_format_Time_set }
+};
+
+int register_android_text_format_Time(JNIEnv* env)
+{
+    jclass timeClass = env->FindClass("android/text/format/Time");
+
+    g_allDayField = env->GetFieldID(timeClass, "allDay", "Z");
+    g_secField = env->GetFieldID(timeClass, "second", "I");
+    g_minField = env->GetFieldID(timeClass, "minute", "I");
+    g_hourField = env->GetFieldID(timeClass, "hour", "I");
+    g_mdayField = env->GetFieldID(timeClass, "monthDay", "I");
+    g_monField = env->GetFieldID(timeClass, "month", "I");
+    g_yearField = env->GetFieldID(timeClass, "year", "I");
+    g_wdayField = env->GetFieldID(timeClass, "weekDay", "I");
+    g_ydayField = env->GetFieldID(timeClass, "yearDay", "I");
+    g_isdstField = env->GetFieldID(timeClass, "isDst", "I");
+    g_gmtoffField = env->GetFieldID(timeClass, "gmtoff", "J");
+    g_timezoneField = env->GetFieldID(timeClass, "timezone", "Ljava/lang/String;");
+
+    g_shortMonthsField = env->GetStaticFieldID(timeClass, "sShortMonths", "[Ljava/lang/String;");
+    g_longMonthsField = env->GetStaticFieldID(timeClass, "sLongMonths", "[Ljava/lang/String;");
+    g_shortWeekdaysField = env->GetStaticFieldID(timeClass, "sShortWeekdays", "[Ljava/lang/String;");
+    g_longWeekdaysField = env->GetStaticFieldID(timeClass, "sLongWeekdays", "[Ljava/lang/String;");
+    g_timeOnlyFormatField = env->GetStaticFieldID(timeClass, "sTimeOnlyFormat", "Ljava/lang/String;");
+    g_dateOnlyFormatField = env->GetStaticFieldID(timeClass, "sDateOnlyFormat", "Ljava/lang/String;");
+    g_dateTimeFormatField = env->GetStaticFieldID(timeClass, "sDateTimeFormat", "Ljava/lang/String;");
+    g_amField = env->GetStaticFieldID(timeClass, "sAm", "Ljava/lang/String;");
+    g_pmField = env->GetStaticFieldID(timeClass, "sPm", "Ljava/lang/String;");
+    g_dateCommandField = env->GetStaticFieldID(timeClass, "sDateCommand", "Ljava/lang/String;");
+
+    return AndroidRuntime::registerNativeMethods(env, "android/text/format/Time", gMethods, NELEM(gMethods));
+}
+
+}; // namespace android
+