IterationConverter.java

/**
 * This file is part of OCPsoft SocialPM: Agile Project Management Tools (SocialPM)
 *
 * Copyright (c)2011 Lincoln Baxter, III <lincoln@ocpsoft.com> (OCPsoft)
 * Copyright (c)2011 OCPsoft.com (http://ocpsoft.com)
 * 
 * If you are developing and distributing open source applications under
 * the GNU General Public License (GPL), then you are free to re-distribute SocialPM
 * under the terms of the GPL, as follows:
 *
 * SocialPM is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * SocialPM 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with SocialPM.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * For individuals or entities who wish to use SocialPM privately, or
 * internally, the following terms do not apply:
 * 
 * For OEMs, ISVs, and VARs who wish to distribute SocialPM with their
 * products, or host their product online, OCPsoft provides flexible
 * OEM commercial licenses.
 * 
 * Optionally, Customers may choose a Commercial License. For additional
 * details, contact an OCPsoft representative (sales@ocpsoft.com)
 */
package com.ocpsoft.socialpm.faces.converter;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.FacesConverter;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import javax.persistence.NoResultException;

import com.ocpsoft.socialpm.cdi.Web;
import com.ocpsoft.socialpm.model.project.iteration.Iteration;
import com.ocpsoft.socialpm.services.project.IterationService;

/**
 * @author <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a>
 * 
 */
@FacesConverter(forClass = Iteration.class)
public class IterationConverter implements Converter
{
   @Inject
   @Web
   private EntityManager em;

   @Inject
   private IterationService is;

   @Override
   public Object getAsObject(final FacesContext arg0, final UIComponent arg1, final String value)
   {
      try {
         is.setEntityManager(em);
         return is.findById(Long.valueOf(value));
      }
      catch (NoResultException e) {
         return new Iteration();
      }
   }

   @Override
   public String getAsString(final FacesContext arg0, final UIComponent arg1, final Object iteration)
   {
      Long id = ((Iteration) iteration).getId();
      return id == null ? "" : id.toString();
   }

}