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authorDaniel Gultsch <daniel@gultsch.de>2016-11-15 15:43:04 +0100
committerDaniel Gultsch <daniel@gultsch.de>2016-11-15 15:43:04 +0100
commite84af512729cafa43ed831540d4406e1bb913689 (patch)
tree9044918a02dfc7449f526f99d2f4636ed28bb71a /src/main/java/eu/siacs
parentd61b00604d9a04c7f4a3933e42eee746583ba643 (diff)
distinguish between general i/o error and write exception when copying files
Diffstat (limited to 'src/main/java/eu/siacs')
-rw-r--r--src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java11
-rw-r--r--src/main/java/eu/siacs/conversations/persistance/FileBackend.java25
-rw-r--r--src/main/java/eu/siacs/conversations/utils/FileWriterException.java4
3 files changed, 27 insertions, 13 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;
diff --git a/src/main/java/eu/siacs/conversations/persistance/FileBackend.java b/src/main/java/eu/siacs/conversations/persistance/FileBackend.java
index bc919788..1886d3c0 100644
--- a/src/main/java/eu/siacs/conversations/persistance/FileBackend.java
+++ b/src/main/java/eu/siacs/conversations/persistance/FileBackend.java
@@ -54,6 +54,7 @@ import eu.siacs.conversations.services.XmppConnectionService;
import eu.siacs.conversations.utils.CryptoHelper;
import eu.siacs.conversations.utils.ExifHelper;
import eu.siacs.conversations.utils.FileUtils;
+import eu.siacs.conversations.utils.FileWriterException;
import eu.siacs.conversations.xmpp.pep.Avatar;
public class FileBackend {
@@ -238,11 +239,21 @@ public class FileBackend {
byte[] buffer = new byte[1024];
int length;
while ((length = is.read(buffer)) > 0) {
- os.write(buffer, 0, length);
+ try {
+ os.write(buffer, 0, length);
+ } catch (IOException e) {
+ throw new FileWriterException();
+ }
+ }
+ try {
+ os.flush();
+ } catch (IOException e) {
+ throw new FileWriterException();
}
- os.flush();
} catch(FileNotFoundException e) {
throw new FileCopyException(R.string.error_file_not_found);
+ } catch(FileWriterException e) {
+ throw new FileCopyException(R.string.error_unable_to_create_temporary_file);
} catch (IOException e) {
e.printStackTrace();
throw new FileCopyException(R.string.error_io_exception);
@@ -287,8 +298,13 @@ public class FileBackend {
InputStream is = null;
OutputStream os = null;
try {
- file.createNewFile();
+ if (!file.exists() && !file.createNewFile()) {
+ throw new FileCopyException(R.string.error_unable_to_create_temporary_file);
+ }
is = mXmppConnectionService.getContentResolver().openInputStream(image);
+ if (is == null) {
+ throw new FileCopyException(R.string.error_not_an_image_file);
+ }
Bitmap originalBitmap;
BitmapFactory.Options options = new BitmapFactory.Options();
int inSampleSize = (int) Math.pow(2, sampleSize);
@@ -315,7 +331,6 @@ public class FileBackend {
quality -= 5;
}
scaledBitmap.recycle();
- return;
} catch (FileNotFoundException e) {
throw new FileCopyException(R.string.error_file_not_found);
} catch (IOException e) {
@@ -330,8 +345,6 @@ public class FileBackend {
} else {
throw new FileCopyException(R.string.error_out_of_memory);
}
- } catch (NullPointerException e) {
- throw new FileCopyException(R.string.error_io_exception);
} finally {
close(os);
close(is);
diff --git a/src/main/java/eu/siacs/conversations/utils/FileWriterException.java b/src/main/java/eu/siacs/conversations/utils/FileWriterException.java
new file mode 100644
index 00000000..f406f419
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/utils/FileWriterException.java
@@ -0,0 +1,4 @@
+package eu.siacs.conversations.utils;
+
+public class FileWriterException extends Exception {
+}