Bean.java

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package com.sun.faces.test.servlet30.flash;

import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;
import javax.faces.event.ComponentSystemEvent;

@RequestScoped
@ManagedBean(name = "bean")
public class Bean {

    protected String stringVal;

    private Long selectedEventId;

    public void loadTrainingEvent(ComponentSystemEvent cse) {
        Long eventId = getSelectedEventId();
        FacesContext context = FacesContext.getCurrentInstance();
        if (null == eventId) {
            context.addMessage(null,
                    new FacesMessage("The training event you requested is invalid"));
            context.getExternalContext().getFlash().setKeepMessages(true);
            context.getApplication().getNavigationHandler().
                    handleNavigation(context, null, "/index?faces-redirect=true");
        }
    }

    public String getStringVal() {
        return stringVal;
    }

    public void setStringVal(String stringVal) {
        this.stringVal = stringVal;

        if (null != stringVal && stringVal.equals("addMessage")) {
            FacesContext context = FacesContext.getCurrentInstance();
            FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_INFO,
                    "test that this persists across the redirect",
                    "This message must persist across the redirect");
            context.addMessage(null, message);
            context.getExternalContext().getFlash().setKeepMessages(true);
        }
    }

    public Long getSelectedEventId() {
        return selectedEventId;
    }

    public void setSelectedEventId(Long selectedEventId) {
        this.selectedEventId = selectedEventId;
    }

    public String start() {
        FacesContext.getCurrentInstance().getExternalContext().getFlash().put("wizardId", 4711);
        return "flash12?faces-redirect=true";
    }

    public String test2087() {
        FacesContext.getCurrentInstance().getExternalContext().getFlash().put("foo", "read strobist");;
        return "flash13?faces-redirect=true";
    }
}