1 files changed, 31 insertions, 0 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/services/filetransfer/AbstractFileTransferService.java b/src/main/java/de/thedevstack/conversationsplus/services/filetransfer/AbstractFileTransferService.java
new file mode 100644
index 00000000..02bd04b9
--- /dev/null
+++ b/src/main/java/de/thedevstack/conversationsplus/services/filetransfer/AbstractFileTransferService.java
@@ -0,0 +1,31 @@
+package de.thedevstack.conversationsplus.services.filetransfer;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import de.thedevstack.conversationsplus.entities.Message;
+import de.thedevstack.conversationsplus.services.FileTransferService;
+
+/**
+ *
+ */
+public abstract class AbstractFileTransferService implements FileTransferService, FileTransferStatusListener {
+    protected List<Message> failedMessages = new ArrayList<>();
+
+    @Override
+    public void onFailure(Message message, boolean delay) {
+        this.failedMessages.add(message);
+    }
+
+    @Override
+    public void onSuccess(Message message, boolean delay) {
+        if (this.failedMessages.contains(message)) {
+            this.failedMessages.remove(message);
+        }
+    }
+
+    @Override
+    public boolean accept(Message message) {
+        return !this.failedMessages.contains(message);
+    }
+}