UploadBean.java

package com.godoro.jsf.upload.faces;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import javax.faces.application.FacesMessage;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.ValidatorException;
import javax.servlet.http.Part;

@ManagedBean
@RequestScoped
public class UploadBean {

  public final static int SIZE_LIMIT = 100000;
  private Part filePart;
  private File uploadDirectory = new File("E:\\Godoro\\Example\\EnterpriseJava\\Directory");

  public Part getFilePart() {
    return filePart;
  }

  public void setFilePart(Part filePart) {
    this.filePart = filePart;
  }

  public void upload() {
    File file = new File(uploadDirectory, getSubmittedFileName(filePart));
    //File file = new File(uploadDirectory, filePart.getSubmittedFileName());
    try {
      storeInputStream(filePart.getInputStream(), file);
      FacesContext.
              getCurrentInstance()
              .addMessage(null, new FacesMessage("Dosya bindirimi başarılı!"));
    } catch (IOException e) {
      FacesContext.
              getCurrentInstance()
              .addMessage(null, new FacesMessage("Bindirme Yanlışı!", e.getMessage()));
    }

  }

  public void validateFile(FacesContext ctx,
          UIComponent comp,
          Object value) {
    List<FacesMessage> messages = new ArrayList<FacesMessage>();
    Part part = (Part) value;
    if (part.getSize() > SIZE_LIMIT) {
      messages.add(new FacesMessage("Dosya boyutu çok büyük"));
    }
    if (!"image/jpeg".equals(part.getContentType())
            && !"image/png".equals(part.getContentType())) {
      messages.add(new FacesMessage("Resim istenilen uzantılı değil"));
    }
    if (!messages.isEmpty()) {
      throw new ValidatorException(messages);
    }
  }

  private static String getSubmittedFileName(Part part) {
    String header = part.getHeader("content-disposition");
    for (String token : header.split(";")) {
      if (token.trim().startsWith("filename")) {
        String fileName = token.substring(token.indexOf('=') + 1)
                .trim().replace("\"", "");
        return fileName;
      }
    }
    return null;
  }

  private static void storeInputStream(InputStream in, File file) throws IOException {
    FileOutputStream out = new FileOutputStream(file);
    byte[] buffer = new byte[4096];
    int bytesRead = 0;
    while (true) {
      bytesRead = in.read(buffer);
      if (bytesRead > 0) {
        out.write(buffer, 0, bytesRead);
      } else {
        break;
      }
    }
    out.close();
    in.close();
  }

}