static void writeEntryToStream(FolderEntry folderEntry, OutputStream outputStream)
throws IOException {
// use java Properties to save the files
Properties properties = new Properties();
properties.setProperty(CONTENT_TYPE, folderEntry.getContentType().toString());
properties.setProperty(CONTENT_ID, folderEntry.getContentId());
properties.setProperty(FOLDER_ID, folderEntry.getFolderId());
properties.store(outputStream, "saved");
}
private static FolderEntry readEntryFromStream(InputStream inputStream) throws IOException {
// use java Properties to save the files
Properties properties = new Properties();
properties.load(inputStream);
FolderEntry folderEntry = new FolderEntry();
folderEntry.setContentId(properties.getProperty(CONTENT_ID));
folderEntry.setContentType(FolderContentType.fromName(properties.getProperty(CONTENT_TYPE)));
folderEntry.setFolderId(properties.getProperty(FOLDER_ID));
return folderEntry;
}
/**
* Tries to read a file for a dataprep {@link FolderEntry}.
*
* @param pathFile the location of the file
* @return the folder entry or throws an exception if it cannot be read
*/
static FolderEntry toFolderEntry(Path pathFile) {
FolderEntry folderEntry;
try (InputStream inputStream = Files.newInputStream(pathFile)) {
Properties properties = new Properties();
properties.load(inputStream);
folderEntry = new FolderEntry();
folderEntry.setFolderId(properties.getProperty(FOLDER_ID));
folderEntry.setContentType(FolderContentType.fromName(properties.getProperty(CONTENT_TYPE)));
folderEntry.setContentId(properties.getProperty(CONTENT_ID));
} catch (IOException e) {
throw new TDPException(UNABLE_TO_READ_FOLDER_ENTRY, e, build().put("path", pathFile));
}
return folderEntry;
}
static boolean matches(Path pathFile, String contentId, FolderContentType contentType) {
boolean passFilter = false;
try (InputStream inputStream = Files.newInputStream(pathFile)) {
FolderEntry folderEntry = readEntryFromStream(inputStream);
if (Objects.equals(contentType, folderEntry.getContentType())
&& //
StringUtils.equalsIgnoreCase(folderEntry.getContentId(), contentId)) {
passFilter = true;
}
} catch (IOException e) {
throw new TDPException(UNABLE_TO_READ_FOLDER_ENTRY, e, build().put("path", pathFile));
}
return passFilter;
}