ECode IoUtils::DeleteContents(
/* [in] */ IFile* dir)
{
VALIDATE_NOT_NULL(dir)
AutoPtr<ArrayOf<IFile*> > files;
dir->ListFiles((ArrayOf<IFile*>**)&files);
Boolean result;
if (files != NULL) {
Boolean isDir;
for (Int32 i = 0; i < files->GetLength(); ++i) {
IFile* file = (*files)[i];
if (file->IsDirectory(&isDir), isDir) {
DeleteContents(file);
}
file->Delete(&result);
}
}
return NOERROR;
}
Boolean FileUtils::DeleteOlderFiles(
/* [in] */ IFile* dir,
/* [in] */ Int32 minCount,
/* [in] */ Int64 minAge)
{
if (minCount < 0 || minAge < 0) {
// throw new IllegalArgumentException("Constraints must be positive or 0");
return FALSE;
}
AutoPtr<ArrayOf<IFile*> > files;
dir->ListFiles((ArrayOf<IFile*>**)&files);
if (files == NULL) return FALSE;
// Sort with newest files first
AutoPtr<IComparator> cmp = new FileComparator();
Arrays::Sort(files.Get(), cmp.Get());
AutoPtr<ISystem> system;
CSystem::AcquireSingleton((ISystem**)&system);
// Keep at least minCount files
Boolean deleted = FALSE, bval;
Int64 age, lastModified;
for (Int32 i = minCount; i < files->GetLength(); i++) {
IFile* file = (*files)[i];
// Keep files newer than minAge
system->GetCurrentTimeMillis(&age);
file->GetLastModified(&lastModified);
age -= lastModified;
if (age > minAge) {
if (file->Delete(&bval), bval) {
// Logger::D(TAG, "Deleted old file %s", file);
deleted = true;
}
}
}
return deleted;
}
Boolean FileUtils::DeleteContents(
/* [in] */ IFile* dir)
{
AutoPtr<ArrayOf<IFile*> > files;
dir->ListFiles((ArrayOf<IFile*>**)&files);
Boolean success = TRUE;
if (files != NULL) {
Boolean bval;
for (Int32 i = 0; i < files->GetLength(); ++i) {
IFile* file = (*files)[i];
if (file->IsDirectory(&bval), bval) {
success &= DeleteContents(file);
}
if (file->Delete(&bval), !bval) {
//Log.w(TAG, "Failed to delete " + file);
success = FALSE;
}
}
}
return success;
}
