| /* |
| * Copyright (C) 2013 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 "IcuUtilities" |
| |
| #include "IcuUtilities.h" |
| |
| #include "JniConstants.h" |
| #include "JniException.h" |
| #include "ScopedLocalRef.h" |
| #include "ScopedUtfChars.h" |
| #include "UniquePtr.h" |
| #include "cutils/log.h" |
| #include "unicode/strenum.h" |
| #include "unicode/uloc.h" |
| #include "unicode/ustring.h" |
| |
| jobjectArray fromStringEnumeration(JNIEnv* env, UErrorCode& status, const char* provider, StringEnumeration* se) { |
| if (maybeThrowIcuException(env, provider, status)) { |
| return NULL; |
| } |
| |
| int32_t count = se->count(status); |
| if (maybeThrowIcuException(env, "StringEnumeration::count", status)) { |
| return NULL; |
| } |
| |
| jobjectArray result = env->NewObjectArray(count, JniConstants::stringClass, NULL); |
| for (int32_t i = 0; i < count; ++i) { |
| const UnicodeString* string = se->snext(status); |
| if (maybeThrowIcuException(env, "StringEnumeration::snext", status)) { |
| return NULL; |
| } |
| ScopedLocalRef<jstring> javaString(env, env->NewString(string->getBuffer(), string->length())); |
| env->SetObjectArrayElement(result, i, javaString.get()); |
| } |
| return result; |
| } |
| |
| bool maybeThrowIcuException(JNIEnv* env, const char* function, UErrorCode error) { |
| if (U_SUCCESS(error)) { |
| return false; |
| } |
| const char* exceptionClass = "java/lang/RuntimeException"; |
| if (error == U_ILLEGAL_ARGUMENT_ERROR) { |
| exceptionClass = "java/lang/IllegalArgumentException"; |
| } else if (error == U_INDEX_OUTOFBOUNDS_ERROR || error == U_BUFFER_OVERFLOW_ERROR) { |
| exceptionClass = "java/lang/ArrayIndexOutOfBoundsException"; |
| } else if (error == U_UNSUPPORTED_ERROR) { |
| exceptionClass = "java/lang/UnsupportedOperationException"; |
| } else if (error == U_FORMAT_INEXACT_ERROR) { |
| exceptionClass = "java/lang/ArithmeticException"; |
| } |
| jniThrowExceptionFmt(env, exceptionClass, "%s failed: %s", function, u_errorName(error)); |
| return true; |
| } |