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Java EE 6 example source code file (StoryManager.java)
The Java EE 6 StoryManager.java source code/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 1997-2009 Sun Microsystems, Inc. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can obtain * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt. * Sun designates this particular file as subject to the "Classpath" exception * as provided by Sun in the GPL Version 2 section of the License file that * accompanied this code. If applicable, add the following below the License * Header, with the fields enclosed by brackets [] replaced by your own * identifying information: "Portions Copyrighted [year] * [name of copyright owner]" * * Contributor(s): * * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ package jsf2.demo.scrum.web.controller; import jsf2.demo.scrum.model.entities.Sprint; import jsf2.demo.scrum.model.entities.Story; import javax.annotation.PostConstruct; import javax.annotation.PreDestroy; import javax.faces.application.FacesMessage; import javax.faces.bean.ManagedBean; import javax.faces.bean.ManagedProperty; import javax.faces.bean.SessionScoped; import javax.faces.component.UIComponent; import javax.faces.context.FacesContext; import javax.faces.model.DataModel; import javax.faces.model.ListDataModel; import javax.faces.validator.ValidatorException; import javax.persistence.EntityManager; import javax.persistence.Query; import java.io.Serializable; import java.util.ArrayList; import java.util.LinkedList; import java.util.List; import java.util.logging.Level; import java.util.logging.Logger; @ManagedBean(name = "storyManager") @SessionScoped public class StoryManager extends AbstractManager implements Serializable { private static final long serialVersionUID = 1L; @ManagedProperty("#{sprintManager}") private SprintManager sprintManager; private Story currentStory; private DataModel<Story> stories; private List<Story> storyList; @PostConstruct public void construct() { init(); } @PreDestroy public void destroy() { sprintManager = null; currentStory = null; stories = null; if (null != storyList) { storyList.clear(); storyList = null; } FacesContext.getCurrentInstance().getExternalContext().getSessionMap().remove("storyManager"); } public void init() { Sprint currentSprint = sprintManager.getCurrentSprint(); if (currentSprint != null) { Story story = new Story(); setStoryList(new LinkedList<Story>(currentSprint.getStories())); story.setSprint(currentSprint); setCurrentStory(story); } else { setStoryList(new ArrayList<Story>()); } stories = new ListDataModel<Story>(getStoryList()); } public String create() { Story story = new Story(); story.setSprint(sprintManager.getCurrentSprint()); setCurrentStory(story); return "create"; } public String save() { if (currentStory != null) { try { Story merged = doInTransaction(new PersistenceAction<Story>() { public Story execute(EntityManager em) { if (currentStory.isNew()) { em.persist(currentStory); } else if (!em.contains(currentStory)) { return em.merge(currentStory); } return currentStory; } }); if (!currentStory.equals(merged)) { setCurrentStory(merged); int idx = getStoryList().indexOf(currentStory); if (idx != -1) { getStoryList().set(idx, merged); } } sprintManager.getCurrentSprint().addStory(merged); if (!storyList.contains(merged)) { getStoryList().add(merged); } } catch (Exception e) { getLogger(getClass()).log(Level.SEVERE, "Error on try to save Story: " + currentStory, e); addMessage("Error on try to save Story", FacesMessage.SEVERITY_ERROR); return null; } } return "show"; } public String edit() { setCurrentStory(stories.getRowData()); return "edit"; } public String remove() { final Story story = stories.getRowData(); if (story != null) { try { doInTransaction(new PersistenceActionWithoutResult() { public void execute(EntityManager em) { if (em.contains(story)) { em.remove(story); } else { em.remove(em.merge(story)); } } }); sprintManager.getCurrentSprint().removeStory(story); getStoryList().remove(story); } catch (Exception e) { getLogger(getClass()).log(Level.SEVERE, "Error on try to remove Story: " + currentStory, e); addMessage("Error on try to remove Story", FacesMessage.SEVERITY_ERROR); return null; } } return "show"; } public void checkUniqueStoryName(FacesContext context, UIComponent component, Object newValue) { final String newName = (String) newValue; try { Long count = doInTransaction(new PersistenceAction<Long>() { public Long execute(EntityManager em) { Query query = em.createNamedQuery((currentStory.isNew()) ? "story.new.countByNameAndSprint" : "story.countByNameAndSprint"); query.setParameter("name", newName); query.setParameter("sprint", sprintManager.getCurrentSprint()); if (!currentStory.isNew()) { query.setParameter("currentStory", currentStory); } return (Long) query.getSingleResult(); } }); if (count != null && count > 0) { throw new ValidatorException(getFacesMessageForKey("story.form.label.name.unique")); } } catch (ManagerException ex) { Logger.getLogger(StoryManager.class.getName()).log(Level.SEVERE, null, ex); } } public String cancelEdit() { return "show"; } public String showTasks() { setCurrentStory(stories.getRowData()); return "showTasks"; } public Story getCurrentStory() { return currentStory; } public void setCurrentStory(Story currentStory) { this.currentStory = currentStory; } public DataModel<Story> getStories() { if (sprintManager.getCurrentSprint() != null) { this.stories = new ListDataModel<Story>(sprintManager.getCurrentSprint().getStories()); return stories; } else { return new ListDataModel<Story>(); } } public void setStories(DataModel<Story> stories) { this.stories = stories; } public Sprint getSprint() { return sprintManager.getCurrentSprint(); } public void setSprint(Sprint sprint) { sprintManager.setCurrentSprint(sprint); } /** * @return the storyList */ public List<Story> getStoryList() { if (sprintManager.getCurrentSprint() != null) { this.storyList = sprintManager.getCurrentSprint().getStories(); } return this.storyList; } /** * @param storyList the storyList to set */ public void setStoryList(List<Story> storyList) { this.storyList = storyList; } /** * @return the sprintManager */ public SprintManager getSprintManager() { return sprintManager; } /** * @param sprintManager the sprintManager to set */ public void setSprintManager(SprintManager sprintManager) { this.sprintManager = sprintManager; } } Other Java EE 6 examples (source code examples)Here is a short list of links related to this Java EE 6 StoryManager.java source code file: |
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