public boolean directoryContainsFiles(File fileDir)
    {
        boolean containsFiles = false;
        File[] files = fileDir.listFiles();
        if (files != null)
        {
            for (File file : files)
            {
                if (!file.isDirectory())
                    containsFiles = true;
            }
        }
        return containsFiles;
    }
public boolean directoryContainsFiles ( File fileDir ) { boolean containsFiles = false ; File [ ] files = fileDir . listFiles ( ) ; if ( files != null ) { for ( File file : files ) { if ( ! file . isDirectory ( ) ) containsFiles = true ; } } return containsFiles ; }
Get the projectID if this directory has any files in it.
Otherwise, return 0 meaning I don't have to specify this package.