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, 24 insertions, 0 deletions

diff --git a/src/main/java/de/thedevstack/conversationsplus/services/filetransfer/FileTransferFailureType.java b/src/main/java/de/thedevstack/conversationsplus/services/filetransfer/FileTransferFailureType.java
new file mode 100644
index 00000000..3daca38e
--- /dev/null
+++ b/src/main/java/de/thedevstack/conversationsplus/services/filetransfer/FileTransferFailureType.java
@@ -0,0 +1,24 @@
+package de.thedevstack.conversationsplus.services.filetransfer;
+
+/**
+ *
+ */
+public enum FileTransferFailureType {
+    RECOVERABLE(Integer.MAX_VALUE),
+    LIMITEDRECOVERABLE(5),
+    NONRECOVERABLE(1);
+
+    int maxAttempts;
+
+    FileTransferFailureType(int maxAttempts) {
+        this.maxAttempts = maxAttempts;
+    }
+
+    public boolean isRetryPossible(int attempt) {
+        return attempt < this.maxAttempts;
+    }
+
+    public int getMaxAttempts() {
+        return this.maxAttempts;
+    }
+}