I'm very new to Activiti, so I've only tried 5.7. I don't think it's so much a problem with Office documents as it is the way attachments are stored. Attachments are saved without a file extension and then when they are downloaded the extension is derived from the mime type and appended to the file name. This will be a problem until Microsoft gets its act together and starts using the mime type rather than file extensions. In my opinion the file name should be stored as is with the extension intact. However, perhaps I'm missing the motivation for removing the file extension.
Looks like the relevant code is in (at least) FileAttachmentEditorComponent and GenericAttachmentRenderer:
protected String getFriendlyName(String name)
{
if(name != null)
{
String friendlyName = null;
int lastDotIndex = name.lastIndexOf(".");
if(lastDotIndex > 0)
friendlyName = name.substring(0, name.length() - (name.length() - lastDotIndex));
else
friendlyName = name;
return friendlyName.replace("_", " ").replace("-", " ");
} else
{
return name;
}
}
protected String extractExtention(String type)
{
int lastIndex = type.lastIndexOf('/');
if(lastIndex > 0 && lastIndex < type.length() - 1)
return (new StringBuilder()).append(".").append(type.substring(lastIndex + 1)).toString();
else
return (new StringBuilder()).append(".").append(type).toString();
}
