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/*
* 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 "cutils/log.h"
#include "unicode/strenum.h"
#include "unicode/uloc.h"
#include "unicode/ustring.h"
jobjectArray fromStringEnumeration(JNIEnv* env, UErrorCode& status, const char* provider, icu::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 icu::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;
}
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