Liferay Faces

@ManagedBean
@ViewScoped
public class CommandModelBean implements Serializable {
 
	// serialVersionUID
	private static final long serialVersionUID = 332271404377673109L;
 
	// Injections
	@ManagedProperty(value = "#{customerService}")
	private CustomerService customerService;
 
	// Private Data Members
	private boolean ajax;
	private Customer selectedCustomer;
	private List<Customer> customers;
 
	public List<Customer> getCustomers() {
		return customers;
	}
 
	public Customer getSelectedCustomer() {
		return selectedCustomer;
	}
 
	public boolean isAjax() {
		return ajax;
	}
 
	@PostConstruct
	public void postConstruct() {
		customers = customerService.getCustomers(0, 5);
	}
 
	public void setAjax(boolean ajax) {
		this.ajax = ajax;
	}
 
	public void setCustomerService(CustomerService customerService) {
		this.customerService = customerService;
	}
 
	public void setSelectedCustomer(Customer selectedCustomer) {
		this.selectedCustomer = selectedCustomer;
	}
}

@ManagedBean
@RequestScoped
public class CommandBackingBean {
 
	private static final Logger logger = LoggerFactory.getLogger(CommandBackingBean.class);
 
	// Injections
	@ManagedProperty(value = "#{commandModelBean}")
	private CommandModelBean commandModelBean;
 
	public void actionListener(ActionEvent actionEvent) {
 
		FacesContext facesContext = FacesContext.getCurrentInstance();
		PhaseId phaseId = facesContext.getCurrentPhaseId();
		logger.debug("actionListener: phaseId=[{0}]", phaseId.toString());
 
		String phaseName = phaseId.toString();
		FacesMessage facesMessage = new FacesMessage("The actionListener method was called during the " + phaseName +
				" phase of the JSF lifecycle.");
		facesContext.addMessage(null, facesMessage);
	}
 
	public void ajaxListener(AjaxBehaviorEvent ajaxBehaviorEvent) {
 
		FacesContext facesContext = FacesContext.getCurrentInstance();
		PhaseId phaseId = facesContext.getCurrentPhaseId();
		logger.debug("ajaxListener: phaseId=[{0}]", phaseId.toString());
 
		String phaseName = phaseId.toString();
		FacesMessage facesMessage = new FacesMessage("The ajaxListener method was called during the " + phaseName +
				" phase of the JSF lifecycle.");
		facesContext.addMessage(null, facesMessage);
	}
 
	public void attributeActionListener(ActionEvent actionEvent) {
 
		FacesContext facesContext = FacesContext.getCurrentInstance();
		PhaseId phaseId = facesContext.getCurrentPhaseId();
		logger.debug("actionListener: phaseId=[{0}]", phaseId.toString());
 
		String value = (String) actionEvent.getComponent().getAttributes().get("attribute");
 
		String phaseName = phaseId.toString();
		FacesMessage facesMessage = new FacesMessage("The actionListener method was called during the " + phaseName +
				" phase of the JSF lifecycle.The attribute value is " + value);
		facesContext.addMessage(null, facesMessage);
	}
 
	public void attributesActionListener(ActionEvent actionEvent) {
 
		FacesContext facesContext = FacesContext.getCurrentInstance();
		PhaseId phaseId = facesContext.getCurrentPhaseId();
		logger.debug("actionListener: phaseId=[{0}]", phaseId.toString());
 
		Map<String, Object> attributes = actionEvent.getComponent().getAttributes();
		String value1 = (String) attributes.get("attribute1");
		String value2 = (String) attributes.get("attribute2");
 
		String phaseName = phaseId.toString();
		FacesMessage facesMessage = new FacesMessage("The actionListener method was called during the " + phaseName +
				" phase of the JSF lifecycle.The attributes value are " + value1 + " and " + value2);
		facesContext.addMessage(null, facesMessage);
	}
 
	public void feedbackListener(ActionEvent actionEvent) {
 
		String value = "";
 
		List<UIComponent> children = actionEvent.getComponent().getChildren();
 
		for (UIComponent uiComponent : children) {
 
			if (uiComponent instanceof UIOutput) {
				value = (String) ((UIOutput) uiComponent).getValue();
			}
		}
 
		FacesContext facesContext = FacesContext.getCurrentInstance();
		logger.debug("feedbackListener: You selected the '" + value + "' menu item.");
 
		FacesMessage facesMessage = new FacesMessage("You selected the '" + value + "' menu item.");
		facesContext.addMessage(null, facesMessage);
	}
 
	public Map<String, Object> getAttributes() {
		Map<String, Object> attributes = new HashMap<String, Object>();
		attributes.put("attribute1", "value1");
		attributes.put("attribute2", "value2");
 
		return attributes;
	}
 
	public void parameterActionListener() {
 
		FacesContext facesContext = FacesContext.getCurrentInstance();
		PhaseId phaseId = facesContext.getCurrentPhaseId();
		logger.debug("actionListener: phaseId=[{0}]", phaseId.toString());
 
		Map<String, String> requestParameterMap = facesContext.getExternalContext().getRequestParameterMap();
		String value = requestParameterMap.get("parameter");
 
		String phaseName = phaseId.toString();
		FacesMessage facesMessage = new FacesMessage("The actionListener method was called during the " + phaseName +
				" phase of the JSF lifecycle.The parameter value is " + value);
		facesContext.addMessage(null, facesMessage);
	}
 
	public void selectionListener(ActionEvent actionEvent) {
 
		UICommand uiCommand = (UICommand) actionEvent.getComponent();
		Customer customer = (Customer) uiCommand.getValue();
		commandModelBean.setSelectedCustomer(customer);
	}
 
	public void setCommandModelBean(CommandModelBean commandModelBean) {
		this.commandModelBean = commandModelBean;
	}
}

public class Customer implements Serializable {
 
	// serialVersionUID
	private static final long serialVersionUID = 6155011527137371447L;
 
	// Private Data Members
	private long customerId;
	private Country country;
	private Date dateOfBirth;
	private String firstName;
	private String lastName;
 
	public Customer(long customerId, Country country, String firstName, String lastName, Date dateOfBirth) {
		this.customerId = customerId;
		this.country = country;
		this.dateOfBirth = dateOfBirth;
		this.firstName = firstName;
		this.lastName = lastName;
	}
 
	public Country getCountry() {
		return country;
	}
 
	public long getCustomerId() {
		return customerId;
	}
 
	public Date getDateOfBirth() {
		return dateOfBirth;
	}
 
	public String getFirstName() {
		return firstName;
	}
 
	public String getFullName() {
		return firstName + " " + lastName;
	}
 
	public String getLastName() {
		return lastName;
	}
 
	public void setCountry(Country country) {
		this.country = country;
	}
 
	public void setCustomerId(long customerId) {
		this.customerId = customerId;
	}
 
	public void setDateOfBirth(Date dateOfBirth) {
		this.dateOfBirth = dateOfBirth;
	}
 
	public void setFirstName(String firstName) {
		this.firstName = firstName;
	}
 
	public void setLastName(String lastName) {
		this.lastName = lastName;
	}
}