/*
*
* Copyright 2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.taglibs.rdc.sampleapps.musicstore.struts;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.taglibs.rdc.sampleapps.musicstore.AmazonMenuTemplate;
import org.apache.taglibs.rdc.sampleapps.musicstore.MusicStoreAppBean;
import org.apache.taglibs.rdc.sampleapps.musicstore.ws.MusicAlbum;
import org.apache.taglibs.rdc.sampleapps.musicstore.ws.MusicStore;
import org.apache.taglibs.rdc.sampleapps.musicstore.HTMLMenuLinks;
import org.apache.taglibs.rdc.SelectOne;
/**
* Struts action class for the album filter (music store sample app)
*
* @author Rahul Akolkar
* @author Jaroslav Gergic
* @author Thomas Ling
*
* @see AlbumFilterForm
*/
public class AlbumFilterAction extends Action {
public static final int CATEGORY_TOP_SELLERS = 57687842;
public static final int CATEGORY_NEW_RELEASES = 38145244;
public static final int CATEGORY_FEATURED_ITEMS = 52536577;
private static Log log = LogFactory.getLog(AlbumFilterAction.class);
public AlbumFilterAction() {
super();
}
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
throws Exception {
AlbumFilterForm afForm = (AlbumFilterForm) form;
MusicAlbum albums[] = null;
HttpSession session = request.getSession();
MusicStoreAppBean msBean = (MusicStoreAppBean) session
.getAttribute(MusicStoreAppBean.SESSION_KEY);
try {
AmazonMenuTemplate.AmazonMenuResult selection = afForm.getChoice();
if (selection == null) {
selection = msBean.getMenuResult();
} else {
msBean.setMenuResult(selection);
}
int genre = Integer.parseInt(selection.getGenre());
int catgr = Integer.parseInt(selection.getCategory());
MusicStore ms = msBean.getMusicStore();
switch (catgr) {
case CATEGORY_FEATURED_ITEMS:
albums = ms.getFeaturedItems(genre);
case CATEGORY_NEW_RELEASES:
albums = ms.getNewReleases(genre);
case CATEGORY_TOP_SELLERS:
albums = ms.getTopSellers(genre);
break;
default:
throw new IllegalArgumentException("Illegal category: " +
catgr);
}
if (msBean.getChannel() == MusicStoreAppBean.GUI_APP) {
// GUI Channel
HTMLMenuLinks menuLinks = msBean.getMenuLinks();
menuLinks.generateAlbumLinks(albums);
} else {
// Voice Channel
//cleanup RDC history
session.removeAttribute("dialogMap");
SelectOne.Options options = new SelectOne.Options();
for (int i = 0; i < albums.length; i++) {
options.add(albums[i].getASIN(), albums[i].getTitle()
.replaceAll("&", "and"));
}
msBean.setOptions(options);
msBean.setChoice(selection.getReadableValue());
}
msBean.setAlbums(albums);
return mapping.findForward("OK");
} catch (Exception e) {
log.error("An exception caught while applying parameters.", e);
msBean.setErrorDescription(e.getMessage());
return mapping.findForward("invalidParams");
}
}
}