Since Java 5 introduced generics the java compiler issues some warnings for the use of Collection classes that are not restricted by a Type.
They look like:
Note: EssoNews.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
The odd thing is that one cannot suppress these warnings with the -nowarn option on javac.
For NetRexx, we have no way to specify types on a collection class. There is, however, a way to get rid of these messages, by using the @annotations feature we introduced some releases ago.
class EssoNews
properties static
zipFile = 'BNA-DIG-ESSONEWS-1984_images.zip'
/**
* Default constructor
*/
method EssoNews()
return
@SuppressWarnings("unchecked")
method main(args=String[]) static
say Date() "EssoNews Started"
issueMap = TreeMap()
say Date() "EssoNews Reading" zipFile
a = Zip().readZip(zipFile)
i = a.iterator()
loop while i.hasNext()
filename_ = i.next()
parse filename_ 'ESSONEWS-' issue '-‘ .
(…) etc
This ensures the messages will stay away. The suppression can be done with a method scope.
I could generate this annotation for every method into the java source. What are the thoughts on this?
best regards,
René.
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