Elliott Hughes | 3aac4dd | 2013-02-04 15:37:52 -0800 | [diff] [blame] | 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 "IcuUtilities" |
| 18 | |
| 19 | #include "IcuUtilities.h" |
| 20 | |
| 21 | #include "JniConstants.h" |
| 22 | #include "JniException.h" |
| 23 | #include "ScopedLocalRef.h" |
| 24 | #include "ScopedUtfChars.h" |
| 25 | #include "UniquePtr.h" |
| 26 | #include "cutils/log.h" |
| 27 | #include "unicode/strenum.h" |
| 28 | #include "unicode/uloc.h" |
| 29 | #include "unicode/ustring.h" |
| 30 | |
| 31 | Locale getLocale(JNIEnv* env, jstring localeName) { |
| 32 | return Locale::createFromName(ScopedUtfChars(env, localeName).c_str()); |
| 33 | } |
| 34 | |
Elliott Hughes | 783a57a | 2013-08-26 14:59:01 -0700 | [diff] [blame] | 35 | jobjectArray fromStringEnumeration(JNIEnv* env, UErrorCode& status, const char* provider, StringEnumeration* se) { |
| 36 | if (maybeThrowIcuException(env, provider, status)) { |
Elliott Hughes | 3aac4dd | 2013-02-04 15:37:52 -0800 | [diff] [blame] | 37 | return NULL; |
| 38 | } |
| 39 | |
Elliott Hughes | 3aac4dd | 2013-02-04 15:37:52 -0800 | [diff] [blame] | 40 | int32_t count = se->count(status); |
| 41 | if (maybeThrowIcuException(env, "StringEnumeration::count", status)) { |
| 42 | return NULL; |
| 43 | } |
| 44 | |
| 45 | jobjectArray result = env->NewObjectArray(count, JniConstants::stringClass, NULL); |
| 46 | for (int32_t i = 0; i < count; ++i) { |
| 47 | const UnicodeString* string = se->snext(status); |
| 48 | if (maybeThrowIcuException(env, "StringEnumeration::snext", status)) { |
| 49 | return NULL; |
| 50 | } |
| 51 | ScopedLocalRef<jstring> javaString(env, env->NewString(string->getBuffer(), string->length())); |
| 52 | env->SetObjectArrayElement(result, i, javaString.get()); |
| 53 | } |
| 54 | return result; |
| 55 | } |
| 56 | |
| 57 | bool maybeThrowIcuException(JNIEnv* env, const char* function, UErrorCode error) { |
| 58 | if (U_SUCCESS(error)) { |
| 59 | return false; |
| 60 | } |
| 61 | const char* exceptionClass = "java/lang/RuntimeException"; |
| 62 | if (error == U_ILLEGAL_ARGUMENT_ERROR) { |
| 63 | exceptionClass = "java/lang/IllegalArgumentException"; |
| 64 | } else if (error == U_INDEX_OUTOFBOUNDS_ERROR || error == U_BUFFER_OVERFLOW_ERROR) { |
| 65 | exceptionClass = "java/lang/ArrayIndexOutOfBoundsException"; |
| 66 | } else if (error == U_UNSUPPORTED_ERROR) { |
| 67 | exceptionClass = "java/lang/UnsupportedOperationException"; |
| 68 | } |
| 69 | jniThrowExceptionFmt(env, exceptionClass, "%s failed: %s", function, u_errorName(error)); |
| 70 | return true; |
| 71 | } |