uploadIMG.java

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package web;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.Serializable;
import javax.faces.application.FacesMessage;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import org.primefaces.event.FileUploadEvent;

/**
 *
 * @author Gustavo
 */

@ManagedBean
@RequestScoped
public class UploadImageMB implements Serializable {

    public UploadImageMB() {
    }

    private String pastaDoUpload;
    private static final int BUFFER_SIZE = 6124;

    public void uploadImage(FileUploadEvent uploadEvent) {
        ExternalContext context = FacesContext.getCurrentInstance().getExternalContext();
        File file = new File(context.getRealPath("//WEB-INF//files//" + uploadEvent.getFile().getFileName()));
        try {
            FileOutputStream fileOut = new FileOutputStream(file);
            byte[] buff = new byte[BUFFER_SIZE];
            int bulk;
            InputStream inputStream = uploadEvent.getFile().getInputstream();
            while (true) {
                bulk = inputStream.read(buff);
                if (bulk < 0) {

                    break;
                }
                fileOut.write(buff, 0, bulk);
                fileOut.flush();
            }
            fileOut.close();

            inputStream.close();
            
           
        }
        catch (IOException e) {
e.printStackTrace();

            FacesMessage error = new FacesMessage(FacesMessage.SEVERITY_ERROR,
                    "o arquivo falhou!", "");

            FacesContext.getCurrentInstance().addMessage(null, error);
        }
        String fill = String.valueOf(file); 
        System.out.println(fill);
    } 
}