while (<STDIN>) {
    if ($_ =~ /nodeName.equals/) {
        my $line1 = $_;
        my $line2 = <STDIN>;
        my $line3 = <STDIN>;
        if ($line3 =~ /new Integer/) {
            chomp($line1);
            $_ = "$line1$line2";
            s/nodeName.equals\("(.*)"\).*product\.(.*)\(/msg.isSetField($1.FIELD)) {\n        product.$2(msg.getInt($1.FIELD))\;/;
            print $_;
        }
        elsif ($line3 =~ /new Double/) {
            chomp($line1);
            $_ = "$line1$line2";
            s/nodeName.equals\("(.*)"\).*product\.(.*)\(/msg.isSetField($1.FIELD)) {\n        product.$2(msg.getDouble($1.FIELD))\;/;
            print $_;
        }
        else {
            print $line1;
            print $line2;
            print $line3;
        }
    }
    else {
        print $_;
    }
}