lincolnthree / CustomerBean.java

Created September 09, 2011

package com.example.view;
 
import java.util.ArrayList;
import java.util.List;
 
import javax.ejb.Stateful;
import javax.enterprise.context.RequestScoped;
import javax.inject.Named;
 
import org.jboss.seam.transaction.Transactional;
import org.metawidget.forge.navigation.MenuItem;
import org.metawidget.forge.persistence.PaginationHelper;
import org.metawidget.forge.persistence.PersistenceUtil;
 
import com.example.domain.Customer;
 
@Transactional
@Named
@Stateful
@RequestScoped
public class CustomerBean extends PersistenceUtil implements MenuItem
{
   private static final long serialVersionUID = 1L;
   private List<Customer> list = null;
   private Customer customer = new Customer();
   private long id = 0;
   private PaginationHelper<Customer> pagination;
 
   public Class<?> getItemType()
   {
      return Customer.class;
   }
 
   public String getLiteralPath()
   {
      return null;
   }
 
   public String getLabel()
   {
      return null;
   }
 
   public void load()
   {
      customer = findById(Customer.class, id);
   }
 
   public String create()
   {
      create(customer);
      return "view?faces-redirect=true&id=" + customer.getId();
   }
 
   public String delete()
   {
      delete(customer);
      return "list?faces-redirect=true";
   }
 
   public String save()
   {
      save(customer);
      return "view?faces-redirect=true&id=" + customer.getId();
   }
 
   public long getId()
   {
      return id;
   }
 
   public void setId(final long id)
   {
      this.id = id;
      if (id > 0) {
         load();
      }
   }
 
   public Customer getCustomer()
   {
      return customer;
   }
 
   public void setCustomer(final Customer customer)
   {
      this.customer = customer;
   }
 
   public List<Customer> getList()
   {
      if (list == null) {
         list = getPagination().createPageDataModel();
      }
      return list;
   }
 
   public void setList(final List<Customer> list)
   {
      this.list = list;
   }
 
   public PaginationHelper<Customer> getPagination()
   {
      if (pagination == null) {
         pagination = new PaginationHelper<Customer>(10) {
            @Override
            public int getItemsCount()
            {
               return count(Customer.class);
            }
 
            @Override
            public List<Customer> createPageDataModel()
            {
               return new ArrayList<Customer>(findAll(Customer.class, getPageFirstItem(), getPageSize()));
            }
         };
      }
      return pagination;
   }
 
   public void setPagination(final PaginationHelper<Customer> helper)
   {
      pagination = helper;
   }
}

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2011, Red Hat, Inc., and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.metawidget.forge.navigation;
 
/**
 * Represents an item that should be displayed in scaffolded menus.
 * 
 * @author <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a>
 */
public interface MenuItem
{
   /**
    * Get the scaffolded entity type to which this item will navigate. (Can be overridden by {@link #getLiteralPath()}
    */
   public Class<?> getItemType();
 
   /**
    * Get the literal view to which this item will navigate. (Overrides {@link #getItemType()})
    */
   public String getLiteralPath();
 
   /**
    * Get the text to be displayed when this item is displayed.
    */
   public String getLabel();
}