| /* |
| * 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_; |
| } |