JSP :: Instead Of Displaying File Asking PDF To Download
Aug 21, 2014
I am trying to display the files stored in server using jsp. I used the code below to display. But for pdf it is asking to download (No option for open). For XLS, XLSX, DOCX, PPT and PPTX it is showing zip file to download. For type doc it is showing junk data.
<%
String fileName=(String)request.getAttribute("fileName");
int loc = fileName.lastIndexOf(".");
String fileName1 = fileName.substring(0, loc);
String fileName2 = fileName.substring(loc + 1, fileName.length());
[Code] ...
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Apr 11, 2015
I have a FileChooser:
JFrame parentFrame = new JFrame();
JFileChooser fileChooser = new JFileChooser();
fileChooser.setDialogTitle(txtPushCode.getText());
int userSelection = fileChooser.showSaveDialog(parentFrame);
if (userSelection == JFileChooser.APPROVE_OPTION) {
[Code] ....
But as you can see, it downloads only to "C:android empcoloricon.png". I want to download it to path where I chose in FileChooser with the name and extension I choose. In short, how can I use dynamic file path names in where ever I want in my applications?
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May 21, 2014
String contentType = fi.getContentType(); gives text/plain when my file is.txt file and gives image/jpeg when my file is .jpeg file but when my file is .jar or .docx it will return application/octet-stream and application/vnd.openxmlformats-officedocument.wordprocessingml.document respictively so what to do to get exact mime type.
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Jul 10, 2014
Problem in download xml file from physical location. After download show current jsf page in xml file !!!
public void downloadFile() {
File file = new File("c:/home/marco/file.xml");
HttpServletResponse response = (HttpServletResponse) FacesContext.getCurrentInstance().getExternalContext().getResponse();
response.setHeader("Content-Disposition", "attachment;filename=file.xml");
response.setContentLength((int) file.length());
ServletOutputStream out = null;
[Code] .....
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Dec 3, 2014
I currently have the following code that I use to download a file from a website:
URL website = new URL(imgurl);
ReadableByteChannel rbc = Channels.newChannel(website.openStream());
FileOutputStream fos = new FileOutputStream(dir+""+imageNumber + "." + extension);
fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
fos.close();
Usually, the code works very well. But sometimes, the download gets stalled indefinitely. Is there a way to set a time out period for the downloading of this file?
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Jan 5, 2014
Is there a way to measure current download speed of a file being downloaded? I've searched all over google and the only thing i get is average download speed. This is basically how it is being done, the result is average download speed.
Java Code:
OutputStream out = null;
URLConnection conn;
InputStream in = null;
long startup = System.currentTimeMillis();
try {
URL url = new URL(adress);
out = new BufferedOutputStream(
[Code] .....
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Mar 7, 2014
I have uploaded file into specified folder.So I have to download it..
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Jun 16, 2014
I have also tried above code with few changes but I got error. Code and error show below.
Java Code:
package practice;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.MalformedURLException;
[Code] .....
Error:
Java Code:
Jun 16, 2014 6:21:33 PM practice.TestFTPProgram main
SEVERE: null
java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
[Code] .....
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May 6, 2015
I can't find an handler or a listener to intercept the 'Save as' window that should pops up when i click on a download link in a webview embedded page.
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Oct 2, 2014
I have a class that do a soap request to a web service , the response is containing a base64 string repressing a file content , how can i send this string to a servlet (maybe any other way) to send it to the user as a downloaded file .
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Aug 15, 2014
I need to get the html in string when i hit the hit the jsp in servlets basically i need to put the output of jsp in pdf file when i hit one link i need to download that data in pdf file. I am using itextpdf.
Sample code
pResponse.setContentType("application/pdf");
((HttpServletResponse) pResponse).setHeader("Content-Disposition", "attachment; filename=report.pdf");
//Get the output stream for writing PDF object
OutputStream outStream=pResponse.getOutputStream();
ByteArrayOutputStream baosPDF = new ByteArrayOutputStream();
[Code] ....
I need to convert the sample download.jsp to html so that i can parse
// XMLWorkerHelper.getInstance().parseXHtml(docWriter, document,new FileInputStream(jspPath),new FileInputStream(csspath) ,null ,new XMLWorkerFontProvider());
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Jan 12, 2015
This issue is regarding response from the servlet
I have written a code to download .csv file with records from DB.
To download records i am uploading a .CSV file containing telephone number.
After downloading the .CSV file page is not getting refreshed.
Below is the code snippet i am using,where i am setting response content type as test/csv.
ServletOutputStream op = resp.getOutputStream();
// Set content type of output
resp.setContentType("text/csv");
resp.setHeader("Content-Disposition", "attachment; filename="test"");
op.flush();
op.close();
How that page will get refreshed after csv file download or after response.
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Jan 31, 2014
Recently we got an issue about file download. We are using below code to fetch the data from backend(DB2) and export to excel.
Before Jan 15 it use to take 2 minutes to download the file (2 MB size). But now its taking half an hour to download.
response.setContentType("application/vnd.ms-excel");
response.setHeader("content-disposition","attachment; filename=Attendance_Report.xls");
We have restarted server, system but still problem exists. We found that there is no code level or data base level or network level issues.
Now we have to see server level issue. What are the factors which effects the file downloading at server level.
We are using websphere 6.1 ,java1.4
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Oct 13, 2014
so far this is what i have written. The program works correctly but I need to be able to have the numbers i am entering to show up on the .txt file.
import java.util.Scanner;
import java.io.*;
public class LargestAndSmallest {
public static void main(String[] args) throws IOException {
Scanner input = new Scanner(System.in);
[code].....
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May 30, 2014
I have a page that I want to debug, but its hard.
The codes is like this:
public void processPage() {
MessageUtil.addErrorMessage("Error Message");
downloadPDF();
return null;
}
private void downloadPDF() {
[code]...
THE question is why the Message not appear when downloadPDF() was called?
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Oct 12, 2010
A graph consists of vertices and edges that connect vertices. Write a program that reads a graph from a file and displays it on a panel. The first line in the file contains a number that indicates the number of vertices (n). The vertices are labeled as 0, 1, ..., n-1. Each subsequent line, with the format u x y v1, v2, ..., describes that the vertex u is located at position (x, y) with edges (u, v1), (u, v2), etc. Your program prompts the user to enter the name of the file, reads data from the file, and displays the graph on a panel.
Example File:
6
0 30 30 1 2
1 90 30 0 3
2 30 90 0 3 4
3 90 90 1 2 4 5
4 30 150 2 3 5
5 90 150 3 4
Analysis:
A graph is a mathematical structure with vertices and edges that connect the vertices. A graph is a very useful tool for modeling real-world problems. This project is to display the graph. The information for the graph is stored in a file. The number of the vertices n is stored in the first line of the file. The vertices are labeled 0, 1, 2, ..., n-1. The format of each subsequent line is u x y v1, v2, ..., which describes vertex u at location (x, y) and u is connected to vertices v1, v2, etc.
Design:
The program should first read the information about the graph from a file. The program prompts the user to enter the file name and read vertices location information into a two-dimensional array named position, where (position[0][0], position[0][1]) is the x- and y-coordinates for vertex 0. For example, in the sample graph, (position[0][0], position[0][1]) is (30, 30). The program reads the edge information into an array of ArrayList named edge (ArrayList is covered in Chapter 11). For example, in the sample graph, edge[0].Is an ArrayList that contains elements 1 and 2, which indicates that vertex 0 is connected to vertex 1 and vertex 2. position and edge should be created as followed:
int[][] position = new int[n][2];
ArrayList[] edge = new ArrayList[n];
I don't know how to implement the code. I have started but I am not sure how to proceed.
import java.awt.Graphics;
import java.util.*;
import java.io.*;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class Exercise15_27 extends JFrame {
[code]....
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Jan 19, 2014
I have a program that writes a user's input to a file.
The input consists of several loops. In each loop the user enters a student number, the student first name and last name and then several exam results. Each student has different number of exams, depend on the user input.
For instance, the input can be (explanations are in brackets but not in the actual file):
505 (student number)
efron (last name)
ben (first name)
3 (no. of exams)
88 (1st exam mark)
70 (2nd exam mark)
... and so on
I need to write a program that reads that file and writes it to the screen, but it needs to do it in ascending order according to the student number.
Leaving aside the format it will be displayed on the screen, my question is how should I sort the data by the student number?
I though about first reading each student as an array, but my problem is that each array contains different number of elements (depends on the number of exams) and also each array containד both strings (first and last names) and ints.
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Apr 5, 2014
I have written some error checking code
File name ErrorPage.jsp
<%@ page language="java" isErrorPage="true" 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>Error</title>
</head>
[code]...
I have put error.jsp and badpage.jsp file in public access folder that is web content in eclipsewhen I am running the code I am status code of 500 and not the errorpage.jsp message .
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Nov 16, 2006
I am using JSP as a front-end view purpose,From this page I have to push the data to one of the Action Request System form (AR System 6.3). I am using ARS JAVA API.As per requirement I have to upload one file from user on JSP and have to push it to this back-end form.I tried JavaZooms javazoom. upload class but its giving me a error and I couldn''t fine this class file anywhere. So this code didn''t work finally.
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Sep 21, 2014
I want to download objects (css , jpeg, html ,png ) using sockets in java without using httpurlconnection . How can i do this with simple socket library ?
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Oct 13, 2014
my project is all about downloading files(text files, music files, etc) from a LINUX server using UI build in java, my mentor told me to use HTTP Client (Java apache), but how to start this.
Here's a sample scenario:
ScreenHunter_1.jpg
Consider the directory structure above.
First, how to connect with this LINUX server using JAVA.
ScreenHunter_2.jpg
and how to dowload the above file.
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Apr 4, 2014
I need to download multiple files from my jsp,My jsp will receive a string array,and in that each array will have a filePath.I ggot the solution to download multiple files by Using ZipOutPutStream,But i don't want to Zip Them,I need to download them in a folder.In that folder i should have all the files.
<c:set var="streamValue" value="${streamValue}"/>
<%!
void addFile( ZipOutputStream outZip, File f, String name ) {
FileInputStream in = null ;
try {
// Add ZIP entry to output stream.
outZip.putNextEntry( new ZipEntry( name ) ) ;
[code].....
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Sep 26, 2014
I am trying to download object thorugh sockets in java . My code is
String servername = "http://ea-cdn.voxmedia.com"; //(String) innObj.get("value");
String filename = "http://ea-cdn.voxmedia.com/production/vox-40-maps/stylesheets/styles-358f0375.css"; //(String) request.get("url");
Socket socket = new Socket("http://10.10.78.62", 3128);
DataOutputStream bw = new DataOutputStream(
[code]...
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Apr 17, 2015
While going through stpring batch,every where there uses pom.xml. But in my office maven repo is blocked. How to get the jar files .
Is there any way to run pom.xml online and download required jar to my local drive. or how to run a pom.xml file after setting maven, I had done all the same but some unknown issues.
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Jan 27, 2015
I wrote a small Java program called ( "Hello,World ).My next step will be to install this program as an app on my smartphone and I wonder what is involved ?
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May 27, 2010
I have a requirement to download the data from DB to CSV/Excel. What I did is retrieving all the records from DB and store in the List and pass that list to the jsp page. In JSP page, I am using the below setting to download it to CSV/EXCEL.
response.setContentType("application/vnd.ms-excel");
String fileName = "Report"+System.currentTimeMillis()+".xls";
response.setHeader("Content-disposition","attachment;filename="+fileName);
It was working fine. But I have an issues in it. Excel is capable of storing it only 65,536 rows. Even all the data getting downloaded to CSV/excel (> 65,536), while saving I am getting error from excel saying that it can't save more than 65,536 rows and the below data won't be saved.
This workbook contains data in cells outside of the row and column limit of the selected file format.
Data beyond 256 (IV) columns by 65,536 rows will not be saved.
Formula references to data in this region will return a #REF! error.
I am not opt for POI apache third party at this point of time. Is it possible to download it in other sheets if it exceeds the max limit.
Example: Having data of around 100,000.
Download 65,536 - Sheet 1
Remaining in Sheet 2,3.. of the same excel.
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