// respond with all items (including stack size) that are currently in the players inventory
if( (line.indexOf("!report inv")) >= 0 ) {
    RSItem items[] = inventory.getItems();
    int i = 0;
    while(items[i].isComponentValid()) {
        writer.write("PRIVMSG " + channel + " :[Item " + i + "] " + items[i].getName() + "\r\n");
        writer.flush();
        i++;
        sleep(500);
    }
}