> From: Peter Reilly [mailto:[EMAIL PROTECTED] > > Peter Reilly wrote: > > > Stefan Bodewig wrote: > > > >> On Thu, 28 Oct 2004, Peter Reilly <[EMAIL PROTECTED]> wrote: > >> > >> > >>> Stefan Bodewig wrote: > >>> > >>> > >>>> What if the keys/values are not Strings? > >>>> > >>>> > >>>> > >>> > >>> In this case, the "properties" are from > System.getProperties() and > >>> not from Project.getProperties().... so they are strings. > >>> > >> > >> > >> Who is going to prevent System.getProperties().put(Object, Class)? > >> > >> > > Nothing... > > However, it is breaking the usage of properties, for > example: public > > class Test { > > public static void main(String[] args) { > > Integer i = new Integer(10); > > System.getProperties().put(i, "10"); > > System.getProperties().list(System.out); > > } > > } > > > Acutally: > Integer i = new Integer(10); > System.getProperties().put(i, "10"); > Enumeration names = System.getProperties().propertyNames(); > > Also gives the java.lang.ClassCastException exception. > Since Properties.propertyNames() is the correct way to > retieve the names of the system properties, we cannot check > if the user has messed up the > contents > of the properties (without always iterating over the contents and > removing invalid > keys and values and *then* calling propertyNames). > > Peter > > > gets an exception: > > Caused by: java.lang.ClassCastException: java.lang.Integer > > at java.util.Properties.enumerate(Properties.java:869) > > at java.util.Properties.list(Properties.java:823) > > at Test.main(Unknown Source) > > > > We could put a check in, but as it is not in the jdk for (is it 10 > > years??), it > > may not be vital... > >
The only thing we need to be sure is that is such exception occurs, then ANT ends throwing a BuildException. We are not suppose to fence for every bad API use of every user or every IDE. Jose Alberto --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
