Related to FS#131, FS#129, FS#220:filetransfer

- FileTransferFailureReason including types introduced. A failure can be recoverable, non-recoverable or limited recoverable
- in case file transfer with the highest weight factor fails, the next file transfer method is used
- improved logging
- javadoc comments added

1 files changed, 23 insertions, 0 deletions

diff --git a/src/main/java/de/thedevstack/conversationsplus/services/filetransfer/FileTransferStatusEnum.java b/src/main/java/de/thedevstack/conversationsplus/services/filetransfer/FileTransferStatusEnum.java
new file mode 100644
index 00000000..e55d94d8
--- /dev/null
+++ b/src/main/java/de/thedevstack/conversationsplus/services/filetransfer/FileTransferStatusEnum.java
@@ -0,0 +1,23 @@
+package de.thedevstack.conversationsplus.services.filetransfer;
+
+/**
+ * Status values of a file transfer.
+ */
+public enum FileTransferStatusEnum {
+    /**
+     * The file transfer is in progress.
+     */
+    TRANSFERRING,
+    /**
+     * The file transfer was finished successfully.
+     */
+    TRANSFERRED,
+    /**
+     * The file transfer failed.
+     */
+    FAILED,
+    /**
+     * The file transfer was canceled.
+     */
+    CANCELED;
+}