UploadServlet.java

UploadServlet.java

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.annotation.MultipartConfig;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.Part;

@WebServlet( urlPatterns="/upload", name="UploadServlet")
@MultipartConfig(
				 fileSizeThreshold=1024*1024*2, //2mb
				 maxFileSize=1024*1024*10,     //10mb
				 maxRequestSize=1024*1024*50,   //50mb
				 location="c:/upload"  //파일저장위치
				 )

public class UploadServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
   
    public UploadServlet() {
        super();
     }
	@Override
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
             //경로
	    final String path = request.getParameter("destination");
            //파일
	    final Part filePart = request.getPart("file");
            //파일이름
	    final String fileName = getFileName(filePart);
	    
	    OutputStream out = null;
	    InputStream filecontent = null;
	    final PrintWriter writer = response.getWriter();
	    
	    try{
	    	out = new FileOutputStream(new File(path + File.separator + fileName ));
	    	filecontent = filePart.getInputStream();
	    	
	    	int read = 0;
	    	final byte[] bytes = new byte[1024];
	    	
	    	while( (read = filecontent.read(bytes)) != -1){
	    		out.write(bytes, 0, read);
	    	}
	    	System.out.println("new File" + fileName + path + "에 생성되었습니다.") ;
	    }catch(FileNotFoundException fne){
	    }finally{
		if( out != null ){
			out.close();
		}if(filecontent != null ){
			filecontent.close();
		 }
		if( writer != null){
			writer.close();
		}
	  }
  }
	
	
	private String getFileName(final Part part) {
	    final String partHeader = part.getHeader("content-disposition");
	    System.out.println("Part Header = {0}"+ partHeader);
	    for (String content : part.getHeader("content-disposition").split(";")) {
	        if (content.trim().startsWith("filename")) {
	            return content.substring(
	                    content.indexOf('=') + 1).trim().replace("\"", "");
	        }
	    }
	    return null;
	}
}