THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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- Right click on WebContent and Select New->jsp.
- Name the jsp as index.jsp and Select Next.
- Select Finish. This will create a template for index.jsp.
- Add the following code to index.jsp.
The <form action="/WebJDBC/ImageUpload"> suggests that once the form is submitted the request will be passed to ImageUpload. Next step is to add the servlet ImageUpload to process the request sent by the JSP client.Code Block title index.jsp borderStyle solid <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Image Upload</title> </head> <body> <h2>Select a Image and Upload it</h2> <form action="/WebJDBC/ImageUpload"> <table> <tr> <td> Location of the Image(full path) </td> <td> <Input type="text" name="ImageLoc"> </td> </tr> <tr> <td> Name of the Image(Unique Name) </td> <td> <Input type="text" name="ImageName"> </td> </tr> <tr> <td> <Input type="submit" value="submit"> </td> <tr> </table> </form> </body> </html>
- Right click on Java Resources and Select New->other.
- Select Web->Servlet. Select Next.
- Name the java package as jdbc and class as ImageUpload. Select Next.
- Select FinsihFinish.
- Add the following code to ImageUpload.java.
Code Block title ImageUpload.java borderStyle solid package jdbc; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.PrintWriter; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.SQLException; import javax.annotation.Resource; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.sql.DataSource; public class ImageUpload extends javax.servlet.http.HttpServlet implements javax.servlet.Servlet { @Resource(name="jdbc/userds") private DataSource ds; static final long serialVersionUID = 1L; public ImageUpload() { super(); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doProcess(request, response); } protected void doProcess(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { Connection dbconnect = null; PreparedStatement stmnt = null; String pic=request.getParameter("ImageLoc"); String name=request.getParameter("ImageName"); try{ File f= new File(pic); FileInputStream fis=new FileInputStream(f); dbconnect= ds.getConnection(); stmnt = dbconnect.prepareStatement("INSERT INTO PICTURES (" + "NAME," + "PIC )" + " VALUES(?,?)"); stmnt.setString(1, name); stmnt.setBinaryStream(2, fis, (int)f.length()); stmnt.execute(); PrintWriter out= response.getWriter(); out.println("Congratulations your image has been successfully uploaded"); } catch(Exception e) { e.printStackTrace(); } finally { try{ dbconnect.close(); stmnt.close(); }catch(SQLException e){ e.printStackTrace(); } } } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doProcess(request, response); } }
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