1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define LOG_TAG "DateIntervalFormat" 18 19 #include "IcuUtilities.h" 20 #include "JniConstants.h" 21 #include "ScopedIcuLocale.h" 22 #include "ScopedJavaUnicodeString.h" 23 #include "UniquePtr.h" 24 #include "cutils/log.h" 25 #include "unicode/dtitvfmt.h" 26 27 static jlong DateIntervalFormat_createDateIntervalFormat(JNIEnv* env, jclass, jstring javaSkeleton, jstring javaLocaleName, jstring javaTzName) { 28 ScopedIcuLocale icuLocale(env, javaLocaleName); 29 if (!icuLocale.valid()) { 30 return 0; 31 } 32 33 ScopedJavaUnicodeString skeletonHolder(env, javaSkeleton); 34 if (!skeletonHolder.valid()) { 35 return 0; 36 } 37 38 UErrorCode status = U_ZERO_ERROR; 39 DateIntervalFormat* formatter(DateIntervalFormat::createInstance(skeletonHolder.unicodeString(), icuLocale.locale(), status)); 40 if (maybeThrowIcuException(env, "DateIntervalFormat::createInstance", status)) { 41 return 0; 42 } 43 44 ScopedJavaUnicodeString tzNameHolder(env, javaTzName); 45 if (!tzNameHolder.valid()) { 46 return 0; 47 } 48 formatter->adoptTimeZone(TimeZone::createTimeZone(tzNameHolder.unicodeString())); 49 50 return reinterpret_cast<uintptr_t>(formatter); 51 } 52 53 static void DateIntervalFormat_destroyDateIntervalFormat(JNIEnv*, jclass, jlong address) { 54 delete reinterpret_cast<DateIntervalFormat*>(address); 55 } 56 57 static jstring DateIntervalFormat_formatDateInterval(JNIEnv* env, jclass, jlong address, jlong fromDate, jlong toDate) { 58 DateIntervalFormat* formatter(reinterpret_cast<DateIntervalFormat*>(address)); 59 DateInterval date_interval(fromDate, toDate); 60 61 UnicodeString s; 62 FieldPosition pos = 0; 63 UErrorCode status = U_ZERO_ERROR; 64 formatter->format(&date_interval, s, pos, status); 65 if (maybeThrowIcuException(env, "DateIntervalFormat::format", status)) { 66 return NULL; 67 } 68 69 return env->NewString(s.getBuffer(), s.length()); 70 } 71 72 static JNINativeMethod gMethods[] = { 73 NATIVE_METHOD(DateIntervalFormat, createDateIntervalFormat, "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)J"), 74 NATIVE_METHOD(DateIntervalFormat, destroyDateIntervalFormat, "(J)V"), 75 NATIVE_METHOD(DateIntervalFormat, formatDateInterval, "(JJJ)Ljava/lang/String;"), 76 }; 77 void register_libcore_icu_DateIntervalFormat(JNIEnv* env) { 78 jniRegisterNativeMethods(env, "libcore/icu/DateIntervalFormat", gMethods, NELEM(gMethods)); 79 } 80