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/*
* Copyright (C) 2011 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 "ExecStrings"
#include "ExecStrings.h"
#include <stdlib.h>
#include "cutils/log.h"
#include "ScopedLocalRef.h"
ExecStrings::ExecStrings(JNIEnv* env, jobjectArray java_string_array)
: env_(env), java_array_(java_string_array), array_(NULL) {
if (java_array_ == NULL) {
return;
}
jsize length = env_->GetArrayLength(java_array_);
array_ = new char*[length + 1];
array_[length] = NULL;
for (jsize i = 0; i < length; ++i) {
ScopedLocalRef<jstring> java_string(env_, reinterpret_cast<jstring>(env_->GetObjectArrayElement(java_array_, i)));
// We need to pass these strings to const-unfriendly code.
char* string = const_cast<char*>(env_->GetStringUTFChars(java_string.get(), NULL));
array_[i] = string;
}
}
ExecStrings::~ExecStrings() {
if (array_ == NULL) {
return;
}
// Temporarily clear any pending exception so we can clean up.
jthrowable pending_exception = env_->ExceptionOccurred();
if (pending_exception != NULL) {
env_->ExceptionClear();
}
jsize length = env_->GetArrayLength(java_array_);
for (jsize i = 0; i < length; ++i) {
ScopedLocalRef<jstring> java_string(env_, reinterpret_cast<jstring>(env_->GetObjectArrayElement(java_array_, i)));
env_->ReleaseStringUTFChars(java_string.get(), array_[i]);
}
delete[] array_;
// Re-throw any pending exception.
if (pending_exception != NULL) {
if (env_->Throw(pending_exception) < 0) {
ALOGE("Error rethrowing exception!");
}
}
}
char** ExecStrings::get() {
return array_;
}
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