[Struts-cvs] dialogs/src/net/jspcontrols/shoppingcart CartAction.java,NONE,1.1 CartItem.java,NONE,1.1 ShoppingCart.java,NONE,1.1 ShoppingItem.java,NONE,1.1

[<jm...@us...>]

Update of /cvsroot/struts/dialogs/src/net/jspcontrols/shoppingcart
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv18060/src/net/jspcontrols/shoppingcart

Added Files:
	CartAction.java CartItem.java ShoppingCart.java 
	ShoppingItem.java 
Log Message:


--- NEW FILE: CartAction.java ---
package net.jspcontrols.shoppingcart;

import net.jspcontrols.dialogs.actions.DialogAction;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.DynaActionForm;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.ArrayList;

/**
 * Created by IntelliJ IDEA.
 * User: mjouravlev
 * Date: Nov 9, 2005
 * Time: 10:10:29 AM
 * To change this template use Options | File Templates.
 */
public class CartAction extends DialogAction {

    private void returnToSender(HttpServletRequest request,
                                HttpServletResponse response) throws IOException {
        String originatingURL = request.getRequestURL().toString();
        System.out.println("CartAction.onInit, redirecting to: " + originatingURL);
        response.sendRedirect(originatingURL);
    }

    public ActionForward onInit(ActionMapping mapping,
                                ActionForm form,
                                HttpServletRequest request,
                                HttpServletResponse response) throws Exception {

        // Redirect to original location; might be the cart itself.
        returnToSender(request, response);

        // Report to Struts that request was processed.
        return null;
    }

    public ActionForward onChange(ActionMapping mapping,
                                  ActionForm form,
                                  HttpServletRequest request,
                                  HttpServletResponse response) throws Exception {

        // Redirect to original location; might be the cart itself.
        returnToSender(request, response);

        // Report to Struts that request was processed.
        return null;
    }

    public ActionForward onDelete(ActionMapping mapping,
                                  ActionForm form,
                                  HttpServletRequest request,
                                  HttpServletResponse response) throws Exception {

        DynaActionForm poForm = (DynaActionForm) form;
        int itemID = ((Integer) poForm.get("itemID")).intValue();
        CartItem[] lines = (CartItem[]) poForm.get("lines");

        // Shrink array on deletion
        if (lines != null && itemID < lines.length) {
            CartItem[] newLines = new CartItem[lines.length-1];
            if (newLines.length > 0) {
                for (int i=0; i<itemID; i++) {
                    newLines[i] = lines[i];
                }
                for (int k=itemID; k<newLines.length; k++) {
                    newLines[k] = lines[k+1];
                }
            }
            poForm.set("lines", newLines);
        }

        // Redirect to original location; might be the cart itself.
        returnToSender(request, response);

        // Report to Struts that request was processed.
        return null;
    }

    /**
     * Returns an <code>ActionForward</code> instance describing the View
     * for current dialog state, usually a forward to a JSP page.
     * <p>
     * If you want to use the default implementation, define the View
     * under "DIALOG-VIEW" name in &lt;forward&gt; element of your action
     * mapping.
     * <p>
     * To use different mapping name, define the view in &lt;forward&gt;
     * element of your action mapping, and override this method to return
     * ActionForward object for your mapping name.
     *
     * @param mapping The ActionMapping used to select this instance
     * @param form The optional ActionForm bean for this request (if any)
     * @param request The HTTP request we are processing
     * @param response The HTTP response we are creating
     *
     * @exception Exception if an exception occurs
     * @return ActionForward instance describing the View for dialog state
     */
    public ActionForward getDialogView(ActionMapping mapping,
                                       ActionForm form,
                                       HttpServletRequest request,
                                       HttpServletResponse response) throws Exception {

        DynaActionForm poForm = (DynaActionForm) form;
        CartItem[] lines = (CartItem[]) poForm.get("lines");

        // Initialize shopping cart with free gifts from our store
        if (lines == null || lines.length == 0) {
            lines = new CartItem[] {
                new CartItem(new ShoppingItem("BFG-666", "Vodoo Doll", 2000), 1),
                new CartItem(new ShoppingItem("aaa", "some aaa", 100), 2),
                new CartItem(new ShoppingItem("bbb", "some bbb", 350), 3)
            };
            poForm.set("lines", lines);
        }

        return super.getDialogView(mapping, form, request, response);
    }
}

--- NEW FILE: CartItem.java ---
package net.jspcontrols.shoppingcart;


/**
 * Created by IntelliJ IDEA.
 * User: mjouravlev
 * Date: Nov 9, 2005
 * Time: 10:47:58 AM
 * To change this template use Options | File Templates.
 */
public class CartItem extends ShoppingItem {

    int quantity;
    public int getQuantity() {return quantity;}
    public void setQuantity(int quantity) {this.quantity = quantity;}

    public CartItem(ShoppingItem item, int quantity) {
        super(item.getArticleNo(), item.getName(), item.getPrice());
        this.quantity = quantity;
    }
}

--- NEW FILE: ShoppingCart.java ---
package net.jspcontrols.shoppingcart;

import java.util.Map;
import java.util.HashMap;

/**
 *
 */
public class ShoppingCart {

    Map items = new HashMap();

    public ShoppingCart() {
        CartItem cartItem;
        cartItem = new CartItem(new ShoppingItem("aaa", "some aaa", 100), 1);
        items.put(cartItem.getArticleNo(), cartItem);
        cartItem = new CartItem(new ShoppingItem("bbb", "some bbb", 3500), 2);
        items.put(cartItem.getArticleNo(), cartItem);
    }

    /**
     * Adds item to the basket
     * @param shoppingItem shopping item
     */
    public void addItem(ShoppingItem shoppingItem) {
        CartItem cartItem = new CartItem(shoppingItem, 1);
        items.put(cartItem.getArticleNo(), cartItem);
    }

    /**
     * Adds item to the basket
     * @param shoppingItem shopping item
     */
    public void addItems(ShoppingItem shoppingItem, int quantity) {
        CartItem item = (CartItem) items.get(shoppingItem.getName());
        if (item != null) {
            item.setQuantity(item.getQuantity()+quantity);
        } else {
            CartItem cartItem = new CartItem(shoppingItem, quantity);
            items.put(cartItem.getArticleNo(), cartItem);
        }
    }

    /**
     * Removes item from the basket
     * @param item  shopping item
     * @return true if item was found and removed
     */
    public boolean removeItem(ShoppingItem item) {
        return items.remove(item.getName()) != null;
    }

    /**
     * Cleans basket. Does not recreates basket because instance might be used
     * for other purposes like synchronization.
     */
    public void clear() {
        items.clear();
    }
    public Map getItems() {return items;}
    public void setItems(Map items) {this.items = items;}

    String cartVersion = "ver. 1.0";
    public String getCartVersion() {return cartVersion;}
    public void setCartVersion(String cartVersion) {this.cartVersion = cartVersion;}
}

--- NEW FILE: ShoppingItem.java ---
package net.jspcontrols.shoppingcart;

/**
 * Created by IntelliJ IDEA.
 * User: mjouravlev
 * Date: Nov 9, 2005
 * Time: 9:05:50 AM
 * To change this template use Options | File Templates.
 */
public class ShoppingItem {

    String articleNo;
    public String getArticleNo() {return articleNo;}
    public void setArticleNo(String articleNo) {this.articleNo = articleNo;}

    String name;
    public String getName() {return name;}
    public void setName(String name) {
        System.out.println("ShoppingItem: setting name to: " + name);
        this.name = name;
    }

    long price;
    public long getPrice() {return price;}

    public ShoppingItem(String articleNo, String name, long price) {
        this.articleNo = articleNo;
        this.name = name;
        this.price = price;
    }
}