Int32 FileBackupHelperBase::performBackup_native(
/* [in] */ IFileDescriptor* oldState,
/* [in] */ android::BackupDataWriter* dataStream,
/* [in] */ IFileDescriptor* newState,
/* [in] */ ArrayOf<String>* files,
/* [in] */ ArrayOf<String>* keys)
{
Int32 err = 0;
// all parameters have already been checked against NULL
Int32 oldStateFD = -1;
if (oldState != NULL) {
oldState->GetDescriptor(&oldStateFD);
}
assert(newState != NULL);
Int32 newStateFD = 0;
newState->GetDescriptor(&newStateFD);
assert(files != NULL);
const Int32 fileCount = files->GetLength();
char const** filesUTF = (char const**)malloc(sizeof(char*)*fileCount);
for (Int32 i=0; i<fileCount; i++) {
filesUTF[i] = (*files)[i];
}
assert(keys != NULL);
const Int32 keyCount = keys->GetLength();
char const** keysUTF = (char const**)malloc(sizeof(char*)*keyCount);
for (Int32 i=0; i<keyCount; i++) {
keysUTF[i] = (*keys)[i];;
}
err = back_up_files(oldStateFD, dataStream, newStateFD, filesUTF, keysUTF, fileCount);
free(filesUTF);
free(keysUTF);
return err;
}
static int
performBackup_native(JNIEnv* env, jobject clazz, jobject oldState, int data,
jobject newState, jobjectArray files, jobjectArray keys)
{
int err;
// all parameters have already been checked against null
int oldStateFD = oldState != NULL ? env->GetIntField(oldState, s_descriptorField) : -1;
int newStateFD = env->GetIntField(newState, s_descriptorField);
BackupDataWriter* dataStream = (BackupDataWriter*)data;
const int fileCount = env->GetArrayLength(files);
char const** filesUTF = (char const**)malloc(sizeof(char*)*fileCount);
for (int i=0; i<fileCount; i++) {
filesUTF[i] = env->GetStringUTFChars((jstring)env->GetObjectArrayElement(files, i), NULL);
}
const int keyCount = env->GetArrayLength(keys);
char const** keysUTF = (char const**)malloc(sizeof(char*)*keyCount);
for (int i=0; i<keyCount; i++) {
keysUTF[i] = env->GetStringUTFChars((jstring)env->GetObjectArrayElement(keys, i), NULL);
}
err = back_up_files(oldStateFD, dataStream, newStateFD, filesUTF, keysUTF, fileCount);
for (int i=0; i<fileCount; i++) {
env->ReleaseStringUTFChars((jstring)env->GetObjectArrayElement(files, i), filesUTF[i]);
}
free(filesUTF);
for (int i=0; i<keyCount; i++) {
env->ReleaseStringUTFChars((jstring)env->GetObjectArrayElement(keys, i), keysUTF[i]);
}
free(keysUTF);
return err;
}
