Package 

Class StorageHelperWrapper

  • 
public final class StorageHelperWrapper

    Wrapper around the StorageHelper class, with some extra functionality that makes it easier to decouple the business logic and make it consistent.

    • Constructor Summary

      Constructors 
      Constructor Description
      StorageHelperWrapper(Context context, StorageHelper storageHelper, AttachmentFilter attachmentFilter)

    • Method Summary

      Modifier and Type Method Description
      final List<AttachmentMetaData> getFiles() Loads a list of file metadata from the system and filters it against file types accepted by the backend.
      final List<AttachmentMetaData> getMedia() Loads a list of media metadata from the system.
      final List<Attachment> getAttachmentsForUpload(List<AttachmentMetaData> attachments) Transforms a list of AttachmentMetaData into a list of Attachments.
      final List<Attachment> getAttachmentsFromUris(List<Uri> uris) Takes a list of file Uris and transforms them into a list of Attachments so that we can upload them.
      final List<AttachmentMetaData> getAttachmentsMetadataFromUris(List<Uri> uris) Takes a list of file Uris and transforms them into a list of AttachmentMetaData.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • StorageHelperWrapper

        StorageHelperWrapper(Context context, StorageHelper storageHelper, AttachmentFilter attachmentFilter)
        Parameters:
        context - The context of the app, used to fetch files and media.
        storageHelper - The storage helper that provides all the logic required to work with the system storage.
        attachmentFilter - A filter that is used to filter out attachments that will not be accepted by the backend.

    • Method Detail

      • getFiles

         final List<AttachmentMetaData> getFiles()

        Loads a list of file metadata from the system and filters it against file types accepted by the backend.

      • getMedia

         final List<AttachmentMetaData> getMedia()

        Loads a list of media metadata from the system.

      • getAttachmentsForUpload

         final List<Attachment> getAttachmentsForUpload(List<AttachmentMetaData> attachments)

        Transforms a list of AttachmentMetaData into a list of Attachments. This is required because we need to prepare the files for upload.

        Parameters:
        attachments - The list of attachment meta data that we transform.

      • getAttachmentsFromUris

         final List<Attachment> getAttachmentsFromUris(List<Uri> uris)

        Takes a list of file Uris and transforms them into a list of Attachments so that we can upload them.

        Parameters:
        uris - Selected file Uris, to be transformed.

      • getAttachmentsMetadataFromUris

         final List<AttachmentMetaData> getAttachmentsMetadataFromUris(List<Uri> uris)

        Takes a list of file Uris and transforms them into a list of AttachmentMetaData.

        IMPORTANT: This method performs a potentially expensive query operation and should be called from a background thread to avoid blocking the UI.

        Parameters:
        uris - Selected file Uris, to be transformed.