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Code Issues Releases Wiki Activity

lift createUniqueFile to a Utility class

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This commit is contained in:
Jesse Vincent 2010-12-28 09:06:57 +00:00
parent 570dbf7126
commit f292251b78
2 changed files with 43 additions and 39 deletions
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41
src/com/fsck/k9/activity/MessageView.java
View File

@ -67,6 +67,7 @@ import com.fsck.k9.crypto.CryptoProvider;
import com.fsck.k9.crypto.PgpData;
import com.fsck.k9.helper.Contacts;
import com.fsck.k9.helper.SizeFormatter;
import com.fsck.k9.helper.Utility;
import com.fsck.k9.mail.Address;
import com.fsck.k9.mail.Flag;
import com.fsck.k9.mail.Message;
@ -1571,44 +1572,6 @@ public class MessageView extends K9Activity implements OnClickListener
}
}
/**
* Creates a unique file in the given directory by appending a hyphen
* and a number to the given filename.
*
* @param directory
* @param filename
* @return
*/
private File createUniqueFile(File directory, String filename)
{
File file = new File(directory, filename);
if (!file.exists())
{
return file;
}
// Get the extension of the file, if any.
int index = filename.lastIndexOf('.');
String format;
if (index != -1)
{
String name = filename.substring(0, index);
String extension = filename.substring(index);
format = name + "-%d" + extension;
}
else
{
format = filename + "-%d";
}
for (int i = 2; i < Integer.MAX_VALUE; i++)
{
file = new File(directory, String.format(format, i));
if (!file.exists())
{
return file;
}
}
return null;
}
private void onDownloadRemainder()
{
@ -2264,7 +2227,7 @@ public class MessageView extends K9Activity implements OnClickListener
{
try
{
File file = createUniqueFile(Environment.getExternalStorageDirectory(),
File file = Utility.createUniqueFile(Environment.getExternalStorageDirectory(),
attachment.name);
Uri uri = AttachmentProvider.getAttachmentUri(
mAccount,

41
src/com/fsck/k9/helper/Utility.java
View File

@ -527,6 +527,47 @@ public class Utility
}
}
/**
* Creates a unique file in the given directory by appending a hyphen
* and a number to the given filename.
*
* @param directory
* @param filename
* @return
*/
public static File createUniqueFile(File directory, String filename)
{
File file = new File(directory, filename);
if (!file.exists())
{
return file;
}
// Get the extension of the file, if any.
int index = filename.lastIndexOf('.');
String format;
if (index != -1)
{
String name = filename.substring(0, index);
String extension = filename.substring(index);
format = name + "-%d" + extension;
}
else
{
format = filename + "-%d";
}
for (int i = 2; i < Integer.MAX_VALUE; i++)
{
file = new File(directory, String.format(format, i));
if (!file.exists())
{
return file;
}
}
return null;
}
/**
* @param from
* @param to