edu.eci.pdsw.samples.managedbeans.ImageBean.java Source code

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Here is the source code for edu.eci.pdsw.samples.managedbeans.ImageBean.java

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package edu.eci.pdsw.samples.managedbeans;

import edu.eci.pdsw.samples.entities.Image;
import edu.eci.pdsw.samples.services.Servicios;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.Serializable;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.faces.application.FacesMessage;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.faces.context.FacesContext;
import org.apache.commons.io.IOUtils;
import org.primefaces.event.FileUploadEvent;
import org.primefaces.model.DefaultStreamedContent;
import org.primefaces.model.StreamedContent;
import org.primefaces.model.UploadedFile;

/**
 *
 * @author 2107803
 */
@ManagedBean(name = "imagen")
@SessionScoped
public class ImageBean implements Serializable {

    private Servicios serv = Servicios.getInstance("applicationconfig.properties");
    private String nombre;
    private Image ima;

    public Servicios getServ() {
        return serv;
    }

    public void setServ(Servicios serv) {
        this.serv = serv;
    }

    public Image getIma() {
        return ima;
    }

    public void setIma(Image ima) {
        this.ima = ima;
    }

    private UploadedFile file;

    public String getNombre() {
        return nombre;
    }

    public void setNombre(String nombre) {
        this.nombre = nombre;
    }

    public StreamedContent getImage() {
        try {
            return new DefaultStreamedContent(new ByteArrayInputStream(serv.loadImagenByNombre(nombre).getImg()));
        } catch (Exception ex) {
            System.out.println("error al cargar la imagen " + ex.toString());
            return null;
        }
    }

    public UploadedFile getFile() {
        return file;
    }

    public void setFile(UploadedFile file) {
        this.file = file;
    }

    public void handleFileUpload(FileUploadEvent event) throws IOException {
        file = event.getFile();

    }

    public void upload() {
        byte[] img = null;
        if (file != null) {
            FacesMessage message = new FacesMessage("Succesful", file.getFileName() + " is uploaded.");
            FacesContext.getCurrentInstance().addMessage(null, message);
            try {
                img = IOUtils.toByteArray(file.getInputstream());
            } catch (IOException ex) {
                FacesContext.getCurrentInstance().addMessage(null,
                        new FacesMessage(FacesMessage.SEVERITY_INFO, ex.getMessage(), null));
            }
            ima = new Image(img, "prueba");
        }

    }

}