/*
* Copyright 2004 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any
* kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
* EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY
* DAMAGES OR LIABILITIES SUFFERED BY LICENSEE AS A RESULT OF OR
* RELATING TO USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE OR
* ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE
* FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT,
* SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF
* THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS
* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed, licensed or
* intended for use in the design, construction, operation or
* maintenance of any nuclear facility.
*/
package org.apache.cocoon.faces.samples.carstore;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.cocoon.faces.samples.components.components.AreaSelectedEvent;
import javax.faces.context.FacesContext;
import javax.faces.event.ActionEvent;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
/**
* <p>This is the main bean for the application. It maintains a
* <code>Map</code> of {@link CarBean} instances, keyed by model name,
* and a <code>Map</code> of {@link CarCustomizer} instances, keyed by
* package name. The <code>CarBean</code> instances in the model
* <code>Map</code> are accessed from several pages, as described
* below.</p>
*
* <p>Several pages in the application use this bean as the target of
* method reference and value reference expressions.</p>
*
* <ul>
*
* <li><p>The "chooseLocale" page uses <code>actionListener</code>
* attributes to point to the {@link #chooseLocaleFromMap} and {@link
* #chooseLocaleFromLink} methods.</p></li>
*
* <li><p>The "storeFront" page uses value binding expressions to pull
* information about four of the known car models in the store.</p></li>
*
* <li><p>The "carDetail" page uses value binding expressions to pull
* information about the currently chosen model. It also uses the
* <code>action</code> attribute to convey the user's package
* choices.</p></li>
*
* <li><p>The "confirmChoices" page uses value binding expressions to
* pull the user's choices from the currently chosen model.</p></li>
*
* </ul>
*/
public class CarStore extends Object {
protected static final Log log = LogFactory.getLog(CarStore.class);
static final String CARSTORE_PREFIX = "org.apache.cocoon.faces.samples.carstore";
static final String DEFAULT_MODEL = "Jalopy";
static final String DEFAULT_PACKAGE = "Custom";
static final String DEFAULT_MODEL_PROPERTIES = CARSTORE_PREFIX +
".bundles." + DEFAULT_MODEL;
static final String DEFAULT_PACKAGE_PROPERTIES = CARSTORE_PREFIX +
".bundles." + DEFAULT_PACKAGE;
//
// Relationship Instance Variables
//
/**
* <p>The locales to be selected for each hotspot, keyed by the
* alternate text for that area.</p>
*/
private Map locales = null;
/**
* <p>The currently selected car model.</p>
*/
private String currentModelName = DEFAULT_MODEL;
/**
* <p>The car models we offer.</p>
*
* <p>Keys: Strings that happen to correspond to the name of the
* packages.</p>
*
* <p>Values: CarBean instances</p>
*/
private Map carModels = null;
/**
* <p>Keys: Strings that happen to correspond to the name of the
* Properties file for the car (without the package prefix).</p>
*
* <p>Values: CarBeanCustomizer instances</p>
*/
private Map carCustomizers = null;
public CarStore() {
if (log.isDebugEnabled()) {
log.debug("Creating main CarStore bean");
log.debug("Populating locale map");
}
locales = new HashMap();
locales.put("NAmerica", Locale.ENGLISH);
locales.put("SAmerica", new Locale("es", "es"));
locales.put("Germany", Locale.GERMAN);
locales.put("France", Locale.FRENCH);
}
//
// ActionListener handlers
//
public void chooseLocaleFromMap(ActionEvent actionEvent) {
AreaSelectedEvent event = (AreaSelectedEvent) actionEvent;
String current = event.getMapComponent().getCurrent();
FacesContext context = FacesContext.getCurrentInstance();
context.getViewRoot().setLocale((Locale) locales.get(current));
resetMaps();
}
public void chooseLocaleFromLink(ActionEvent event) {
String current = event.getComponent().getId();
FacesContext context = FacesContext.getCurrentInstance();
context.getViewRoot().setLocale((Locale) locales.get(current));
resetMaps();
}
private void resetMaps() {
if (null != carModels) {
carModels.clear();
carModels = null;
}
if (null != carCustomizers) {
carCustomizers.clear();
carCustomizers = null;
}
}
public void choosePackage(ActionEvent event) {
String packageName = event.getComponent().getId();
choosePackage(packageName);
}
public void choosePackage(String packageName) {
CarCustomizer packageCustomizer =
(CarCustomizer) carCustomizers.get(packageName);
packageCustomizer.customizeCar(getCurrentModel());
getCurrentModel().getCurrentPrice();
// HERE IS WHERE WE UPDATE THE BUTTON STYLE!
String curName;
Iterator iter = carCustomizers.keySet().iterator();
// go through all the available packages and set the button
// style accordingly.
while (iter.hasNext()) {
curName = (String) iter.next();
packageCustomizer = (CarCustomizer) carCustomizers.get(curName);
if (curName.equals(packageName)) {
packageCustomizer.setButtonStyle("package-selected");
} else {
packageCustomizer.setButtonStyle("package-unselected");
}
}
}
//
// action handlers
//
public String storeFrontJalopyPressed() {
setCurrentModelName("Jalopy");
return "carDetail";
}
public String storeFrontRoadsterPressed() {
setCurrentModelName("Roadster");
return "carDetail";
}
public String storeFrontLuxuryPressed() {
setCurrentModelName("Luxury");
return "carDetail";
}
public String storeFrontSUVPressed() {
setCurrentModelName("SUV");
return "carDetail";
}
public String buyCurrentCar() {
getCurrentModel().getCurrentPrice();
return "confirmChoices";
}
//
// Accessors
//
public CarBean getCurrentModel() {
CarBean result = (CarBean) carModels.get(getCurrentModelName());
return result;
}
public Map getModels() {
if (null == carModels) {
carModels = new HashMap();
if (log.isDebugEnabled()) {
log.debug("Populating carModel map");
}
carModels.put(DEFAULT_MODEL,
new CarBean(DEFAULT_MODEL_PROPERTIES));
carModels.put("Roadster",
new CarBean(CARSTORE_PREFIX + ".bundles.Roadster"));
carModels.put("Luxury", new CarBean(CARSTORE_PREFIX +
".bundles.Luxury"));
carModels.put("SUV", new CarBean(CARSTORE_PREFIX +
".bundles.SUV"));
}
return carModels;
}
public Map getCustomizers() {
getModels();
if (null == carCustomizers) {
carCustomizers = new HashMap();
if (log.isDebugEnabled()) {
log.debug("Populating carCustomizers map");
}
carCustomizers.put("Custom", new CarCustomizer(CARSTORE_PREFIX +
".bundles.Custom"));
carCustomizers.put("Standard",
new CarCustomizer(CARSTORE_PREFIX +
".bundles.Standard"));
carCustomizers.put("Performance",
new CarCustomizer(CARSTORE_PREFIX +
".bundles.Performance"));
carCustomizers.put("Deluxe",
new CarCustomizer(CARSTORE_PREFIX +
".bundles.Deluxe"));
choosePackage("Custom");
}
return carCustomizers;
}
//
// private methods
//
private String getCurrentModelName() {
return currentModelName;
}
private void setCurrentModelName(String newName) {
currentModelName = newName;
}
// package private util methods
static Class loadClass(String name,
Object fallbackClass) throws ClassNotFoundException {
ClassLoader loader = getCurrentLoader(fallbackClass);
return loader.loadClass(name);
}
static ClassLoader getCurrentLoader(Object fallbackClass) {
ClassLoader loader =
Thread.currentThread().getContextClassLoader();
if (loader == null) {
loader = fallbackClass.getClass().getClassLoader();
}
return loader;
}
}