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package com.sun.faces.systest.viewparameters;
import java.util.ArrayList;
import java.util.List;
import javax.annotation.PostConstruct;
import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.ManagedProperty;
import javax.faces.bean.RequestScoped;
@RequestScoped @ManagedBean
public class NewsReader {
private FacesContext facesContext;
@ManagedProperty("#{newsIndex}")
private NewsIndex newsIndex;
private List<NewsStory> stories;
private NewsStory selectedStory;
private Long selectedStoryId;
@PostConstruct
public void postConstruct() {
facesContext = FacesContext.getCurrentInstance();
stories = new ArrayList<NewsStory>(newsIndex.getEntries().values());
}
public void loadStory() {
if (!facesContext.isValidationFailed()) {
NewsStory story = newsIndex.getStory(selectedStoryId);
if (story != null) {
selectedStory = story;
return;
}
facesContext.addMessage(null, new FacesMessage("The headline you requested does not exist."));
}
//facesContext.getFlash().setKeepMessages(true); // only needed if navigation case is a redirect
facesContext.getApplication().getNavigationHandler().handleNavigation(facesContext, null, "/viewParameters/page01");
// we would like the following instead
// facesContext.fireNavigation("home");
}
public List<NewsStory> getStories() {
return stories;
}
public NewsStory getSelectedStory() {
return selectedStory;
}
public Long getSelectedStoryId() {
return selectedStoryId;
}
public void setSelectedStoryId(Long storyId) {
this.selectedStoryId = storyId;
}
// Injected Properties
public void setNewsIndex(NewsIndex newsIndex) {
this.newsIndex = newsIndex;
}
}