package org.springframework.web.portlet.sample;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;

import org.springframework.beans.factory.InitializingBean;
import org.springframework.web.portlet.mvc.AbstractController;


public class BookDeleteController extends AbstractController implements InitializingBean {

    private BookService bookService;
   
    public void afterPropertiesSet() throws Exception {
        if (this.bookService == null)
            throw new IllegalArgumentException("A BookService is required");
    }

    public void handleActionRequestInternal(ActionRequest request, ActionResponse response) throws Exception {
        // get the id and delete it
        Integer id = new Integer(request.getParameter("book"));
        bookService.deleteBook(id);
        // change mapping parameter to go to the default view
        response.setRenderParameter("action","books");
    }

    public void setBookService(BookService bookService) {
        this.bookService = bookService;
    }
}