static void
android_media_MediaScanner_processDirectory(
JNIEnv *env, jobject thiz, jstring path, jobject client)
{
LOGV("processDirectory");
MediaScanner *mp = getNativeScanner_l(env, thiz);
if (mp == NULL) {
jniThrowException(env, kRunTimeException, "No scanner available");
return;
}
if (path == NULL) {
jniThrowException(env, kIllegalArgumentException, NULL);
return;
}
const char *pathStr = env->GetStringUTFChars(path, NULL);
if (pathStr == NULL) { // Out of memory
return;
}
MyMediaScannerClient myClient(env, client);
MediaScanResult result = mp->processDirectory(pathStr, myClient);
if (result == MEDIA_SCAN_RESULT_ERROR) {
LOGE("An error occurred while scanning directory '%s'.", pathStr);
}
env->ReleaseStringUTFChars(path, pathStr);
}
static jbyteArray
android_media_MediaScanner_extractAlbumArt(JNIEnv *env, jobject thiz, jobject fileDescriptor)
{
MediaScanner *mp = (MediaScanner *)env->GetIntField(thiz, fields.context);
if (fileDescriptor == NULL) {
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
return NULL;
}
int fd = getParcelFileDescriptorFD(env, fileDescriptor);
char* data = mp->extractAlbumArt(fd);
if (!data) {
return NULL;
}
long len = *((long*)data);
jbyteArray array = env->NewByteArray(len);
if (array != NULL) {
jbyte* bytes = env->GetByteArrayElements(array, NULL);
memcpy(bytes, data + 4, len);
env->ReleaseByteArrayElements(array, bytes, 0);
}
done:
free(data);
// if NewByteArray() returned NULL, an out-of-memory
// exception will have been raised. I just want to
// return null in that case.
env->ExceptionClear();
return array;
}
static void
android_media_MediaScanner_processFile(JNIEnv *env, jobject thiz, jstring path, jstring mimeType, jobject client)
{
MediaScanner *mp = (MediaScanner *)env->GetIntField(thiz, fields.context);
if (path == NULL) {
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
return;
}
const char *pathStr = env->GetStringUTFChars(path, NULL);
if (pathStr == NULL) { // Out of memory
jniThrowException(env, "java/lang/RuntimeException", "Out of memory");
return;
}
const char *mimeTypeStr = (mimeType ? env->GetStringUTFChars(mimeType, NULL) : NULL);
if (mimeType && mimeTypeStr == NULL) { // Out of memory
env->ReleaseStringUTFChars(path, pathStr);
jniThrowException(env, "java/lang/RuntimeException", "Out of memory");
return;
}
MyMediaScannerClient myClient(env, client);
mp->processFile(pathStr, mimeTypeStr, myClient);
env->ReleaseStringUTFChars(path, pathStr);
if (mimeType) {
env->ReleaseStringUTFChars(mimeType, mimeTypeStr);
}
}
static void
android_media_MediaScanner_processDirectory(JNIEnv *env, jobject thiz, jstring path, jstring extensions, jobject client)
{
MediaScanner *mp = (MediaScanner *)env->GetIntField(thiz, fields.context);
if (path == NULL) {
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
return;
}
if (extensions == NULL) {
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
return;
}
const char *pathStr = env->GetStringUTFChars(path, NULL);
if (pathStr == NULL) { // Out of memory
jniThrowException(env, "java/lang/RuntimeException", "Out of memory");
return;
}
const char *extensionsStr = env->GetStringUTFChars(extensions, NULL);
if (extensionsStr == NULL) { // Out of memory
env->ReleaseStringUTFChars(path, pathStr);
jniThrowException(env, "java/lang/RuntimeException", "Out of memory");
return;
}
MyMediaScannerClient myClient(env, client);
mp->processDirectory(pathStr, extensionsStr, myClient, ExceptionCheck, env);
env->ReleaseStringUTFChars(path, pathStr);
env->ReleaseStringUTFChars(extensions, extensionsStr);
}
static void
android_media_MediaScanner_setLocale(JNIEnv *env, jobject thiz, jstring locale)
{
MediaScanner *mp = (MediaScanner *)env->GetIntField(thiz, fields.context);
if (locale == NULL) {
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
return;
}
const char *localeStr = env->GetStringUTFChars(locale, NULL);
if (localeStr == NULL) { // Out of memory
jniThrowException(env, "java/lang/RuntimeException", "Out of memory");
return;
}
mp->setLocale(localeStr);
env->ReleaseStringUTFChars(locale, localeStr);
}
static void
android_media_MediaScanner_processFile(
JNIEnv *env, jobject thiz, jstring path,
jstring mimeType, jobject client)
{
LOGV("processFile");
// Lock already hold by processDirectory
MediaScanner *mp = getNativeScanner_l(env, thiz);
if (mp == NULL) {
jniThrowException(env, kRunTimeException, "No scanner available");
return;
}
if (path == NULL) {
jniThrowException(env, kIllegalArgumentException, NULL);
return;
}
const char *pathStr = env->GetStringUTFChars(path, NULL);
if (pathStr == NULL) { // Out of memory
return;
}
const char *mimeTypeStr =
(mimeType ? env->GetStringUTFChars(mimeType, NULL) : NULL);
if (mimeType && mimeTypeStr == NULL) { // Out of memory
// ReleaseStringUTFChars can be called with an exception pending.
env->ReleaseStringUTFChars(path, pathStr);
return;
}
MyMediaScannerClient myClient(env, client);
MediaScanResult result = mp->processFile(pathStr, mimeTypeStr, myClient);
if (result == MEDIA_SCAN_RESULT_ERROR) {
LOGE("An error occurred while scanning file '%s'.", pathStr);
}
env->ReleaseStringUTFChars(path, pathStr);
if (mimeType) {
env->ReleaseStringUTFChars(mimeType, mimeTypeStr);
}
}
static jbyteArray
android_media_MediaScanner_extractAlbumArt(
JNIEnv *env, jobject thiz, jobject fileDescriptor)
{
LOGV("extractAlbumArt");
MediaScanner *mp = getNativeScanner_l(env, thiz);
if (mp == NULL) {
jniThrowException(env, kRunTimeException, "No scanner available");
return NULL;
}
if (fileDescriptor == NULL) {
jniThrowException(env, kIllegalArgumentException, NULL);
return NULL;
}
int fd = jniGetFDFromFileDescriptor(env, fileDescriptor);
char* data = mp->extractAlbumArt(fd);
if (!data) {
return NULL;
}
long len = *((long*)data);
jbyteArray array = env->NewByteArray(len);
if (array != NULL) {
jbyte* bytes = env->GetByteArrayElements(array, NULL);
memcpy(bytes, data + 4, len);
env->ReleaseByteArrayElements(array, bytes, 0);
}
done:
free(data);
// if NewByteArray() returned NULL, an out-of-memory
// exception will have been raised. I just want to
// return null in that case.
env->ExceptionClear();
return array;
}
static void
android_media_MediaScanner_setLocale(
JNIEnv *env, jobject thiz, jstring locale)
{
LOGV("setLocale");
MediaScanner *mp = getNativeScanner_l(env, thiz);
if (mp == NULL) {
jniThrowException(env, kRunTimeException, "No scanner available");
return;
}
if (locale == NULL) {
jniThrowException(env, kIllegalArgumentException, NULL);
return;
}
const char *localeStr = env->GetStringUTFChars(locale, NULL);
if (localeStr == NULL) { // Out of memory
return;
}
mp->setLocale(localeStr);
env->ReleaseStringUTFChars(locale, localeStr);
}
