Swing/AWT/SWT :: How To Save File Using JFileChooser
Oct 22, 2014
I insert a link to a file, that you need to download. After I click the download button and that's performed this action. And how me save the file, where i chose?
private void actionAdd() {
JFrame parentFrame = new JFrame();
JFileChooser fileChooser = new JFileChooser();
fileChooser.setDialogTitle("Specify a file to save");
URL verifiedUrl = verifyUrl(addTextField.getText());
[Code] ....
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Aug 9, 2001
I am wondering how to do the following:when a user clicks on a save menu item, a save JFileChooser pops up. I would like to have a default file name set in the FileName box on the chooser, similar to what applications like Microsft word has. Right now, no file name will appear until the user has selected a file.I also need to know how to get the text from this box in the case that the user enters a new file name (the getSelection function is not useful here because the user will not have selected an existing file.)
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Nov 13, 2014
i can't make the [JfileChooser] save text file instead of opening files.that [ComboBox] always don't show me the items that i have inserted in eclipse.
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Jul 6, 2012
I have an application that has a text field I want to use Jfilechooser to save or save As the data.
If the file already exisits i want the end user to be able to hit save without the dialog box popping up asking for a file name folder etc, like it would in MS Word etc..
Is this possible?
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Nov 12, 2014
I have a program where I have to open a file and then run a piece of code to do something with it. However since there are different files I want to run different pieces of code depending on the file. I have a JFileChooser setup and it works but I would like to have a something like an if else depending on the file extension.
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Sep 25, 2012
How to force browser to open/save/save as the file from server instead of browser cache.
I am creating a csv file through a pl/sql procedure and forwarding the link to user once user clicks on link he downloads the file, however if the same thing is repeated then browser returns the old cached file instead of new file generated on server.
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Feb 3, 2015
I'm using a JFileChooser. I'm using a FileNameExtensionFilter which is fantastic, and will let me only show files that are of type .db or whatever. However, I don't want to show the user files that have a type of lock.db or *_trace.db for example, and I can't figure out a way to do that.
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Apr 9, 2014
I'm trying to JFileChooser to open up a window. I'm just trying to learn how to use it for a school assignment this week. The problem is I can't get anything to show up. I can create a new window and print to the console without errors, but JFileChooser doesn't do anything. No errors either.
import java.awt.*;
import javax.swing.*;
public class TestingStuff extends JFrame {
public TestingStuff() {
setTitle("This is a new window!");
setVisible(true);
[Code] .....
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Nov 20, 2014
I have a swing application that is using JFileChooser. When I click the Open menu item from File menu it should show the File dialog box where user can select the file.This application is running in my machine but encounters problem in another machine. File dialog box is not showing and stack trace shows that NullPointerException is thrown by JFileChooser..My machine is a 64 bit Windows 7 while the other machine is Windows 7 32 bit. Both machine are using java 1.6..To verify if its because of the 32-bit, I tried in another Windows 7 32-bit and the same application is working.
I came across this article [URL] .... which identified it as bug but already fix in 1.4.2_04. Though I am using 1.6, just to make sure I also tried the suggested work around.I put System.setProperty("swing.disableFileChooserSpeedFix", "true"); in my code but still not working...I also tried to add java -Dswing.disableFileChooserSpeedFix=true to the batch file that is launching the application and still not working
Code Sample:
import javax.swing.JFileChooser;
import javax.swing.filechooser.FileNameExtensionFilter;
public class FileChooserTester{
public Boolean loadMDBFile() {
System.setProperty("swing.disableFileChooserSpeedFix", "true");
JFileChooser fc = new JFileChooser();
[code]...
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Mar 25, 2015
I'm dealing with, change the content pane color of jFilechooser. Color has been changed but the problem is when I open the subdirectory leads errors; Note : It also trigger error when I set default directory; like chooser.setCurrentDirectory(file);
The following error is the result:
Exception in thread "AWT-EventQueue-1" java.lang.NullPointerException
at javax.swing.plaf.metal.MetalFileChooserUI$IndentIcon.getIconWidth(MetalFileChooserUI.java:912)
at javax.swing.SwingUtilities.layoutCompoundLabelImpl(SwingUtilities.java:961)
at javax.swing.SwingUtilities.layoutCompoundLabel(SwingUtilities.java:888)
at javax.swing.plaf.basic.BasicLabelUI.layoutCL(BasicLabelUI.java:94)
at javax.swing.plaf.basic.BasicLabelUI.getPreferredSize(BasicLabelUI.java:239)
[Code]...
Following is the code base
import javax.swing.*;
import javax.swing.*;
import javax.swing.border.EmptyBorder;
import javax.swing.filechooser.*;
import javax.swing.event.*;
import javax.swing.plaf.*;
import javax.swing.plaf.basic.*;
[Code]...
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Feb 2, 2014
In one jframe i have insert one jfilechooser but when i open in second time jfilechooser when i want close...don't close.
When I close jframe i want destroy memory of jfilechooser... How to do???
For to close jframe i write:
jframe.dispose();
but don't to do nothing....
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Jan 21, 2014
including Drag n Drop a mp3 file using jFilechooser to jTable
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Jul 14, 2014
New to programming. Am supposed to create a program that reads a text file (of integers) and computes a series of computations on these integers. I don't have the code for the integers in my code yet, (i know how to do those), but am struggling getting the array to simply print in the print writer. I have the user select a text file, read the file with a scanner, and then save the computations done from my code into another file. specifically, the problem is as follows: Write a program that uses a file chooser dialog to select a file containing some integers. The file contains an integer N followed by N integers. The program then uses a file chooser dialog to let the user specify the name and location of an output file to write results to.The data written to the output file will be as follows
(1) The original list of N numbers from the input file,
(2) The original list of N numbers printed in reverse order of how they appear
in the input file.
(3) The sum and average of these numbers,
(4) The minimum of all the numbers,
(5) The maximum of all the numbers.
[import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Writer;
[Code]....
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Mar 15, 2014
1. creates a file.
2. ask user to write into that file
3. save the file
4. print content of file.
Is my current exercise, so far i have gotten the code to create a file. What should i use to ask user to write into that file and save?
package assignment7;
import java.io.*;
public class Exercise2
{
public static void main ( String [ ] args ) {
String filePath="newfile.txt";
File newFile = new File ( filePath ) ;
[Code] .....
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Mar 17, 2014
1. creates a file.
2. ask user to write into that file
3. save the file
4. print content of file.
is my current exercise.so far i have gotten the code to create a file, and ask the user to input their age.what should i use to save what the user writes into the file?
Java Code:
package assignment7;
import java.io.*;
import java.util.*;
public class Exercise2
{
public static void main ( String [ ] args ) throws IOException
{
Scanner scan = new Scanner(System.in);
[code]....
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Apr 30, 2014
Here my code . Iam trying to open text file in window_pane it will open when i click on save it will ask destination to save file if i save example like Read.txt it will save...when i go and check in that folder Read.txt file won't found...what is the error ....
Java Code:
import javax.swing.*;
import javax.swing.filechooser.FileFilter;
import javax.swing.filechooser.FileNameExtensionFilter;
import java.io.*;
import java.net.MalformedURLException;
import java.awt.*;
import java.awt.event.*;
public class Read extends JFrame
[Code] .....
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Apr 30, 2014
Here my code am trying to open text file in window_pane it will open when i click on save it will ask destination to save file if i save example like Read.txt it will save...when i go and check in that folder Read.txt file won't found..
import javax.swing.*;
import javax.swing.filechooser.FileFilter;
import javax.swing.filechooser.FileNameExtensionFilter;
import java.io.*;
import java.net.MalformedURLException;
import java.awt.*;
import java.awt.event.*;
[code]....
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Dec 30, 2014
I am currently working on a project that can save text from a JTextArea and also open that same saved text. The problem I am having is that when I open the saved text file it is no longer formatted.
How the file looks before saving/closing:
public class HelloWorld{
System.out.println("Hello World!");
}
How the file looks after being saved/closed then opened:
public class HelloWorld{ System.out.println("Hello World!");}
When I save the file I'm actually saving the entire thing to a single string. When I do this the String eliminates all tabbed spacing and pushes all characters to one single line.
The only ideas I had for fixing this were to either somehow use Format in the String class or record every time user tabs and add to the String.
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Jul 26, 2014
I'm trying to change the value of bricks in my save file and for some reason it can't read the information.
public void addRecords(int brick, int log, int stone, int house){
x.format("%s%s
%s%s
%s%s
%s%s", "brick", " "+brick, "log", " " +log, "stone", " "+stone, "house", " "+house);
}
This writes information to my files. ^
public void addResource(String resource, int amount){
openFile();
readfile check = new readfile();
switch(resource){
case "brick":
[Code] .....
In my case "brick", It doesn't set the value when I try to read it. Here is the readResource method.
public int readResource(String resource){
System.out.println("Looking for " + resource);
String res = resource;
openFile();
while(x.hasNext()){
[Code] ....
Short version:
brick = check.readResource("brick");
This doesn't set brick to any value.
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Dec 22, 2014
i am not able to save .java file. it says need administrator access, but i am logged in as an administrator account.
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May 11, 2014
ShoppingCartSelection:
package shoppingcartselection;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Arrays;
[Code] ....
I want it to save the names of the "Items" that were put into the "Cart" along with their retail prices and the subtotal of all of them, and the sales tax, and the final total, to a text file.
Main:
package shoppingcartselection;
import javax.swing.*;
import java.util.ArrayList;
public class Main
{
public static void main(String[] args)
[Code] ....
ItemPrices.txt:
Magic Booster Pack, 4
Magic Fat Pack, 40
Magic Intro Deck, 12
Magic Duel Deck, 20
Magic Card Sleeves, 8
Magic Play Mat, 25
Magic Booster Box, 120
Dice Pack, 6
Video Game, 60
Book, 10
Candy, 1
Soda, 1
Lunch, 10
Water, 1
Shirt, 10
Hat, 5
Game Console, 400
Desktop, 800
Laptop, 1000
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Apr 19, 2014
This part of the code searches for every word in the text file and saves it to an ArrayList. It searches for the word if its valid of not.How can I offer a list of similar words when the word that the user inputs is not in the dictionary. Also I want it to prompt the user to accept the word or enter a replacement that gets saved in the dictionary.
package spellChecker.project1;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
[code]....
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Apr 11, 2014
I need to write the same data to stdout and to a save file. In C I'd do something like:
void doWrite(int fd, char *stuff) {
fprintf(fd, stuff);
}
if(someFlag)
doWrite(STDOUT, data[]);
doWrite(saveFd, data[]);
Google shows me how to use file I/O, and how to use stdio, but not how to combine the two easily.
With my *nix command line I could "program file | tee savefile", but savefile holds the result of prior runs, gets read before I parse 'file', and this command line zero's out savefile before the program can read it.
The data is standard ASCII, I doubt I'll ever have 20k of data.
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Mar 14, 2015
I have the file in my project sitemap.xml, which i am trying to write via XMLStreamWriter. My code gets successfully executed as i can see the logs. But my sitemap.xml file keeps blank. Why nothing is getting write in my sitemap.xml file. Below is my servlet code.
@Override
protected void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response)
throws ServletException, IOException {
logger.info("request.getResponseContentType() ::: " + request.getResponseContentType());
logger.info("root path is :: " + rootPath);
if (request.getResponseContentType() == null) {
[Code] ....
I can see "END Document" and "Location is " under my log file.
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Sep 24, 2014
I am doing the home work to create a mini hotel reservation system which should be able to write the data into .txt file.
case study:
1. Have 2 different types of room (1- Suite 2- Deluxe)
2. Room Rate (Suite - $500per night, Deluxe - $300per night)
3. Both rooms can accomodate 2adults and 2childs
4. Checkin time: 2pm, Checkout 11am
5. Room status = occupied once guest checkin, Room status = vacant once guest checkout
6.For checking require (ID,Full Name,Address,Nationality,Flight no/Vehicle Reg no,number of people,check-in date, check-out-date,payment detail
7.Front desk search the vacant room to be assigned to the guest
Functions:
1. View all rooms
2. Add Customer to a room
3. Display available room
4. Delete customer from a room
5. Find room from customer name
6. Exit
Files:
One file use to store room info. (to be retrieved by program)
One file use to store rate info. (to be retrieve by program)
One file use to store the booking details (to be created and write by the program).
Currently I have write a program but only compiling and display the output to the console. How to modify my code below to be able to save to the .txt file
Here is the code:
import java.util.*;
import java.io.*;
class Customer {
private String name;
private int room;
public void setName(String name) {
this.name=name;
[code]...
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Feb 1, 2014
My assignment is to make GUI to calculate orders and to save the calculation to .csv file.I have solved "save" button and it really does save my input to .csv file.But, my problem is "Load button" When I press it, how to load .csv file to my existing JTextFields?
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