1 /* 2 * Copyright (C) 2014 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 #ifndef SCOPED_ICU_LOCALE_H_included 18 #define SCOPED_ICU_LOCALE_H_included 19 20 #include "JNIHelp.h" 21 #include "ScopedUtfChars.h" 22 #include "unicode/locid.h" 23 24 class ScopedIcuLocale { 25 public: ScopedIcuLocale(JNIEnv * env,jstring javaLocaleName)26 ScopedIcuLocale(JNIEnv* env, jstring javaLocaleName) : mEnv(env) { 27 mLocale.setToBogus(); 28 29 if (javaLocaleName == NULL) { 30 jniThrowNullPointerException(mEnv, "javaLocaleName == null"); 31 return; 32 } 33 34 const ScopedUtfChars localeName(env, javaLocaleName); 35 if (localeName.c_str() == NULL) { 36 return; 37 } 38 39 mLocale = icu::Locale::createFromName(localeName.c_str()); 40 } 41 ~ScopedIcuLocale()42 ~ScopedIcuLocale() { 43 } 44 valid()45 bool valid() const { 46 return !mLocale.isBogus(); 47 } 48 locale()49 icu::Locale& locale() { 50 return mLocale; 51 } 52 53 private: 54 JNIEnv* const mEnv; 55 icu::Locale mLocale; 56 57 // Disallow copy and assignment. 58 ScopedIcuLocale(const ScopedIcuLocale&); 59 void operator=(const ScopedIcuLocale&); 60 }; 61 62 #endif // SCOPED_ICU_LOCALE_H_included 63