Thursday, 16 March 2017

File upload using JSP

<%@ include file="shared/config.jsp"%>
<%@ include file="view/header.jsp"%>
<?xml version="1.0"?>
<!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.0//EN" "http://www.wapforum.org/DTD/xhtml-mobile10.dtd">

<%@ page import="org.apache.commons.fileupload.*, org.apache.commons.fileupload.servlet.ServletFileUpload, org.apache.commons.fileupload.disk.DiskFileItemFactory, org.apache.commons.io.FilenameUtils, java.util.*, java.io.File, java.lang.Exception" %>


<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <title>File Upload Example</title>
  </head>

  <body>
    <h1>Data Received at the Server</h1>
    <hr/>
    <p>

<%
String exFilename="test.sql";

if (ServletFileUpload.isMultipartContent(request)){
  ServletFileUpload servletFileUpload = new ServletFileUpload(new DiskFileItemFactory());
  List fileItemsList = servletFileUpload.parseRequest(request);

  String optionalFileName = "";
  FileItem fileItem = null;

  Iterator it = fileItemsList.iterator();
  while (it.hasNext()){
    FileItem fileItemTemp = (FileItem)it.next();
    if (fileItemTemp.isFormField()){
%>

<b>Name-value Pair Info:</b><br/>
Field name: <%= fileItemTemp.getFieldName() %><br/>
Field value: <%= fileItemTemp.getString() %><br/><br/>

<%
      if (fileItemTemp.getFieldName().equals("filename"))
        optionalFileName = fileItemTemp.getString();
    }
    else
      fileItem = fileItemTemp;
  }

  if (fileItem!=null){
    String fileName = fileItem.getName();
%>

<b>Uploaded File Info:</b><br/>
Content type: <%= fileItem.getContentType() %><br/>
Field name: <%= fileItem.getFieldName() %><br/>
File name: <%= fileName %><br/>
File size: <%= fileItem.getSize() %><br/><br/>

<%
    /* Save the uploaded file if its size is greater than 0. */
    if (fileItem.getSize() > 0){
      if (optionalFileName.trim().equals(""))
        fileName = FilenameUtils.getName(fileName);
      else
        fileName = optionalFileName;

      String dirName = "/var/lib/tomcat/webapps/manual_pull/file_uploads/";
 exFilename=dirName+fileName;
      File saveTo = new File(dirName + fileName);
      try {
        fileItem.write(saveTo);
%>

<b>The uploaded file has been saved successfully.</b>

<%
      }
      catch (Exception e){
 out.println(e);
%>

<b>An error occurred when we tried to save the uploaded file.</b>

<%
      }
    }
  }
}
%>
<%
boolean res;
String cmd="/usr/local/mysql/bin/mysql -u root -p test < "+exFilename;
out.println(cmd);
try{
res = lib.exec(cmd);
out.println(res);
//out.println("*********no****");
}catch(Exception e){
//out.println("*********yes****");
out.println(e.getMessage());
}


%>
    </p>
  </body>
</html>
<%@ include file="view/footer.jsp"%>

No comments:

Post a Comment