package com.myupload.servlet;

import java.awt.image.BufferedImage;
import java.io.IOException;

import javax.imageio.ImageIO;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.jspsmart.upload.File;
import com.jspsmart.upload.SmartUpload;
import com.myupload.util.IPTimeStamp;

public class UploadImageServlet extends HttpServlet {
	private static int S_width = 400;
	private static int S_height = 300;
	
	private ServletConfig config = null;
	private String FileName = null;
	private String sPath = "/initImage";
	private String path = null;
	
	private java.io.File imageFile = null;
	private BufferedImage image = null;
	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		SmartUpload mySmartUpload = new SmartUpload();
		mySmartUpload.initialize(config, request, response);
		mySmartUpload.setMaxFileSize(2048 * 1024);
		mySmartUpload.setAllowedFilesList("jpg,gif,png,jpeg,bmp");
        int width = S_width;
        int height = S_height;
		//PrintWriter out = response.getWriter();
		
		try {
			mySmartUpload.upload();
			File myFile = mySmartUpload.getFiles().getFile(0);
			if (!myFile.isMissing()) {

				IPTimeStamp its = new IPTimeStamp(request.getRemoteAddr());
				FileName = its.getIPTimeRand();
				String ext = myFile.getFileExt();
				FileName = FileName + "." + ext;
                path = sPath + "/" + FileName;                      

				myFile.saveAs(sPath + "/" + FileName,
						mySmartUpload.SAVE_VIRTUAL);
				
                path = path.substring(1);
				System.out.println(request.getSession().getServletContext().getRealPath("/") + "========" + path);
                imageFile = new java.io.File(request.getSession().getServletContext().getRealPath("/") + path);
                image = ImageIO.read(imageFile);
                if(image.getWidth() < S_width) {
                	width = image.getWidth();
                }
                if(image.getHeight() < S_height) {
                	height = image.getHeight();
                }
			}
			response.sendRedirect("myupload.jsp?path=" + path + "&width=" + width + "&height=" + height);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
        this.doGet(request, response);
	}
	
	@Override
	public void init(ServletConfig config) throws ServletException {
		this.config = config;
	}

}