contactcontroller.java

jsf的小程序和教学PPTjsf的小程序和教学PPT

package com.fit.controller;

import java.util.List;

import javax.faces.application.FacesMessage;
import javax.faces.component.UICommand;
import javax.faces.component.UIForm;
import javax.faces.context.FacesContext;

import com.fit.model.Contact;
import com.fit.model.ContactRepository;

public class ContactController {
	private ContactRepository contactRepository;
	
	/** The current contact that is being edited. */
	private Contact contact = new Contact();

	/** Contact to remove. */
    private Contact selectedContact;
    
    
    /** The current form. */
     private UIForm form;

     /** Add new link. */
     private UICommand addNewCommand;
     
     /** Persist command. */
     private UICommand persistCommand;
     
     /** For injection of collaborator. */
     public void setContactRepository(ContactRepository contactRepository) {
         this.contactRepository = contactRepository;
     }
     
     public void addNew() {
         form.setRendered(true);
         addNewCommand.setRendered(false);
         persistCommand.setValue("Add");
     }

     public void persist() {
         form.setRendered(false);
         addNewCommand.setRendered(true);
         if (contactRepository.persist(contact) == null) {
             addStatusMessage("Added " + contact);
         } else {
             addStatusMessage("Updated " + contact);
         }
     }

     public void remove() {
         contactRepository.remove(selectedContact);
         addStatusMessage("Removed " + selectedContact);
     }

     public void read() {
         contact = selectedContact;
         form.setRendered(true);
         addNewCommand.setRendered(false);
         addStatusMessage("Read " + contact);
         persistCommand.setValue("Update");
     }

     private void addStatusMessage(String message) {
         FacesContext.getCurrentInstance().addMessage(null,
                 new FacesMessage(FacesMessage.SEVERITY_INFO, message, null));
     }

	public Contact getContact() {
		return contact;
	}

	public void setContact(Contact contact) {
		this.contact = contact;
	}

	public Contact getSelectedContact() {
		return selectedContact;
	}

	public void setSelectedContact(Contact selectedContact) {
		this.selectedContact = selectedContact;
	}

	public UIForm getForm() {
		return form;
	}

	public void setForm(UIForm form) {
		this.form = form;
	}

	public UICommand getAddNewCommand() {
		return addNewCommand;
	}

	public void setAddNewCommand(UICommand addNewCommand) {
		this.addNewCommand = addNewCommand;
	}

	public UICommand getPersistCommand() {
		return persistCommand;
	}

	public void setPersistCommand(UICommand persistCommand) {
		this.persistCommand = persistCommand;
	}

	public ContactRepository getContactRepository() {
		return contactRepository;
	}

	 public List<Contact> getContacts() {
	        return contactRepository.getContacts();
	    }

}