distinguish between general i/o error and write exception when copying files

1 files changed, 4 insertions, 7 deletions

diff --git a/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java b/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java
index a9bffe3e..87f62706 100644
--- a/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java
+++ b/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java
@@ -25,6 +25,7 @@ import eu.siacs.conversations.persistance.FileBackend;
 import eu.siacs.conversations.services.AbstractConnectionManager;
 import eu.siacs.conversations.services.XmppConnectionService;
 import eu.siacs.conversations.utils.CryptoHelper;
+import eu.siacs.conversations.utils.FileWriterException;
 
 public class HttpDownloadConnection implements Transferable {
 
@@ -141,16 +142,12 @@ public class HttpDownloadConnection implements Transferable {
 		mXmppConnectionService.updateConversationUi();
 	}
 
-	private class WriteException extends IOException {
-
-	}
-
 	private void showToastForException(Exception e) {
 		if (e instanceof java.net.UnknownHostException) {
 			mXmppConnectionService.showErrorToastInUi(R.string.download_failed_server_not_found);
 		} else if (e instanceof java.net.ConnectException) {
 			mXmppConnectionService.showErrorToastInUi(R.string.download_failed_could_not_connect);
-		} else if (e instanceof WriteException) {
+		} else if (e instanceof FileWriterException) {
 			mXmppConnectionService.showErrorToastInUi(R.string.download_failed_could_not_write_file);
 		} else if (!(e instanceof  CancellationException)) {
 			mXmppConnectionService.showErrorToastInUi(R.string.download_failed_file_not_found);
@@ -305,7 +302,7 @@ public class HttpDownloadConnection implements Transferable {
 					try {
 						os.write(buffer, 0, count);
 					} catch (IOException e) {
-						throw new WriteException();
+						throw new FileWriterException();
 					}
 					updateProgress((int) ((((double) transmitted) / expected) * 100));
 					if (canceled) {
@@ -315,7 +312,7 @@ public class HttpDownloadConnection implements Transferable {
 				try {
 					os.flush();
 				} catch (IOException e) {
-					throw new WriteException();
+					throw new FileWriterException();
 				}
 			} catch (CancellationException | IOException e) {
 				throw e;