this class convert a double and integer with local format or standard format
To use this converter, add the following lines in your
classpath:xwork-conversion.properties file :
Interceptor to copy the temp file to avoid it is deleted before the execAndWait thread has time to read it
cf http://stackoverflow.com/questions/22382779/file-not-saved-in-temp-path-using-struts2-with-execandwait-interceptor