JSP :: Cannot Get Correct Path On Refresh
Feb 10, 2014
I want to use the bit of code below to re-write the page to tell the user of a successful registration and then redirect them to another page. My problem is that I can't figure out how to get the path right for the login page. As can see, my first choice was to have the use click to the login page and when I use href it works fine.
I tried to use the entire file page starting at C and that didn't work. I also tried
${pageContext.request.contextPath}/Login
which is what I had to do for the action in the form for the login servlet page.
My question is what is the URL I need to use. By the way, if I jut put in google's URL, or any other for that matter, it works fine.
out.println(docType +
"<html>
" +
"<head><title>" + "Already Registered" + "</title>" +
"<meta http-equiv='refresh' content='3; URL='Login.jsp'></head>
[Code] .....
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Aug 21, 2014
I am having trouble getting the correct path when making ImageIcon ( i1 ,i2, i3, i4) . I have tried
(this.getClass().getResource("/image/1.png"));
("image/ca.gif");
and
("Users/aritime/Documents/src/ca.gif ");
import javax.swing.*;
import javax.swing.border.*;
import java.awt.*;
public class myImageIcon extends JFrame{
[Code] ....
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Nov 7, 2014
I am copying the xml files from one folder to other folder, in the source folder, i have some files which have some content like "backing File="$IDP_ ROOT/metadata/iPAU-SP-metadata.xml" but while writing to the destination folder.i am replacing the "$IDP_ROOT" with my current working directory. The entire copying of files is for deploying into tomcat server. The copying is done only when server starts for the first time.Problem: If i change the folder name from my root path in my machine after i run the server,the entire process will be stopped because the destination folder files already contains the content which is with existed files names or folder names.
So i want to change it to relative path instead absolute path. What is the best way to do it? Please look at code below:
[ // Getting the current working directory
String currentdir = new File(".").getAbsoluteFile().getParent() + File.separator;
if(currentdir.indexOf("ControlPanel")!=-1){
rootPath=currentdir.substring(0, currentdir.indexOf("ControlPanel"));
}else{
rootPath=currentdir;
[code]....
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Feb 27, 2015
I have 3 issues -
1-I'd to be able to refresh my page. currently I've set it so it doesn't refresh so I can draw but I want to introduce timed refreshment for example after 30 seconds of drawing the page goes blank and starts again.
2- I'd like to introduce a maximum amount you can draw per each refreshment. E.g the page reloads every 30 seconds and each 30 seconds you have 100 ellipses you can draw, when it refreshes you have a new 100 ellipses
My code below...
PImage bg;
int cNum = 1;
void setup() {
// Images must be in the "data" directory to load correctly
size(1200, 800);
bg = loadImage("User_T_1.jpg");
[code]...
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Mar 18, 2015
I have tried to get my JPanel to refresh and show a new combo box, labels and fields but I can't get it working with revalidate or repaint.
package Part4;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class AddressGUI extends JFrame implements ActionListener{
Address address = new Address();
[code]...
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Feb 5, 2014
I want to know the how to refresh the jsf application after doing something like Faceboook... i.e if i comment or post in my application so automatically the whole application have refresh.
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Apr 21, 2014
I created this JTextArea with some text in it. And it also has few variables.
Sth like that:
Java Code:
protected JTextArea textLog;
textLog = new JTextArea();
textLog.append("test: "+variable); mh_sh_highlight_all('java');
And now while I use button that changes variable value, in textLog variable still shows old value.
Tried to use remove(textLog); textLog.validate(); etc(remove, validate, revalidate, add, repaint), because it works fine with JButtons, but still, in textLog variable gives me old value.
like "you should use somethingvalidate(); while clickin button and it will works", not some shit for 3032 lines with 99% of code that I don't need to do what I want.
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Oct 9, 2014
in my JSF2 app I have screens composed with :
- Header
- Body
In the header I have a combo list. At each change in value in the combo list I have an Ajax request that updates the data in the Body. So far everything is working properly. Now the home screen's structure should be change when the value of combo list change. To do this I have :
- 1 ManagedBean HomeBean that manage the home
- 1 ManagedBean HeaderBean that manage the header
- 2 object HomeScreen1.java and HomeScreen2.java that allows me to valued data from each screen
- 2 services HomeScreen1Loader.java and HomeScreen2Loader.java that manage loading of each type of screen
- 1 template home.xhtml
- 2 fichier home1.xhtml et home2.xhtml
When I log in to the application, I get the good page corresponding (Element type 1 => home page 1). But when I select a type 2 item, the actionListener methode is execute, ManagedBean's data was updated (for type 2 screen) , but the page does not updated. What do you do ?
HeaderBean.java :
package com.omb.view;
import java.io.Serializable;
import java.util.List;
import javax.faces.event.ValueChangeEvent;
import javax.faces.model.SelectItem;
[Code] .....
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Nov 6, 2014
If I am refreshing JSP page the old data is remaining as it is with new data.what can be done to remove previous data from that JSP?
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Jul 11, 2014
I have designed a form using JGoodies. In my From I have a Jtable.
FormLayout layout = new FormLayout(…) ;
CellConstraints cc = new CellConstraints() ;
PanelBuilder builder = new PanelBuilder(layout);
String[] columnNames = {"name","code"};
Object[][] data = null ;
[Code] ....
When the table's content changes, I have to refresh the screen to show the new table. How can I do this?
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May 17, 2014
I have an fxml page with a TabPane element with two tabs tabOne and tabTwo:
<BorderPane fx:controller="lc.controllers.ControllerOne" xmlns:fx="http://javafx.com/fxml">
<center>
<TabPane fx:id="tabPane">
<tabs>
<Tab fx:id="tabOne" closable="false">
<text >ONE</text>
[Code] ....
As you can see above tabTwo has a separate fxml included within.
Now some of the tab content in tabTwo needs to be refreshed based on the actions performed in tabOne. But however initialize method of included tab action class is called only once for the first time when the fxml page loads. How the initialize method of tabActions.fxml can be forced to execute every time the tab loads?
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Jan 16, 2015
find out why when I access the site for the first time, it loads a blank white page, but when I reload it, it forwards me to the home page as it should.
I doubt that the reason is nothing else than the code below (in the doGet method):
String email = (String) request.getSession().getAttribute("email");
String cookieValue = null;
System.out.println(email);
// first, checking the session
if (email != null) {
request.getRequestDispatcher("/homelogged").forward(request, response);
[code].....
I suppose it's something with the session... because after I reload it, it works. But! When I close the browser and start all over again, the main page is white-blank again... And after a reload it works.
The exception:
SEVERE: Servlet.service() for servlet [first] in context with path [/MYSITE] threw exception
java.lang.NullPointerException
at controller.Controller.doGet(Controller.java:42)
Line 42 of the Controller is "for (int i = 0; i < cookies.length; i++) {"
P.S. I cleared all the cookies, but the problem persists.Also, the first it loads, it prints in console:
"null
been here 4!"
But, if I reload further, it prints:
"null
been here 4!
been here 2!
No Email! Literally, doGet!"
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Jun 5, 2014
I have JFrame and when I click a button which is in frame JDialog is opened. Now,how can I refresh JFrame when close JDoalog?
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Mar 15, 2015
I am able to update the array holding the items but I don't know how to refresh the JList to include all the new items in the array.
Code for GUI:
import java.awt.ScrollPane;
import java.awt.event.ActionListener;
import javax.swing.*;
public class ListView extends JFrame{
HobbyList stuff = new HobbyList();
[Code] .....
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Apr 13, 2015
I am trying to plot a graph and graph should display when JButton is clicked. To create data set, I am taking some value through JTextField and then created a chart and plotted it. I've got a problems: the chart doesn't refresh when I change the text field value.URL....Here is my program:
public class Test2 extends JFrame {
/**
*
*/
private static final long serialVersionUID = 1L;
private JPanel contentPane;
private ChartPanel chartPanel;
private JTextField textField_1;
double a;
[code]....
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Feb 8, 2014
I'm trying to setup a function that takes input from a user and prints it onto a label and updates it per entry. The updating would occur through removing the old label and then adding a label with the updated value. The text would be center-aligned. While I'm able to get the label to print the current value of "entry", it does so without removing the label with the old value.
I tried reversing the add(label) and remove(label) to see if there is a syntax error with remove, and I determined from the label not being there at all that remove was called correctly. I have kept the loop infinite for debugging purposes to work with various test cases as they come to me.
Java Code:
import acm.graphics.*;
import acm.program.*;
public class testCanvas extends ConsoleProgram {
public void run() {
GCanvas canvas = new GCanvas();
add(canvas);
String entry ="";
[Code] .....
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Apr 6, 2015
I want to add a button who refresh the tree the problem that i have not "DefaultTreeModel" in my class to do this ((DefaultTreeModel) jTree1.getModel()).reload(); and i try this jtree.updateUI(); but not work ....
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Apr 14, 2015
I am trying to plot a graph and graph should display when JButton is clicked. To create data set, I am taking some value through JTextField and then created a chart and plotted it. I've got a problems: the chart doesn't refresh/update when I change the text field value.
public class Test2 extends JFrame {
/**
*
*/
private static final long serialVersionUID = 1L;
private JPanel contentPane;
private ChartPanel chartPanel;
private JTextField textField_1;
double a;
[Code] ....
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Apr 1, 2014
I have a JSF page (called MainPage) with a commandButton: clicking on it, I open a modal panel with a <Rich:fileUpload> component, related to a listener in corresponding bean.
When I start to upload a file, page MainPage starts to refresh, but I would like to prevent this because it's not necessary.
I tried to "play" with <Rich:fileUpload> property values, but nothing seems to work and I don't know what to do anymore.
Here is file upload component
<rich:fileUpload fileUploadListener="#{pannelloUploadBean.uploadListener}"
id="#{cid}_input"
ajaxSingle="true"
immediateUpload="true"
listHeight="200px"
listWidth="458px">
[Code] .....
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Jan 4, 2015
I would like to be able to draw things onto the panel (via paintComponent), but I'd like it to draw 'on top' of what's already there. The default seems to be that it resets every time I call repaint.
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Mar 4, 2014
I am busy programming a clone of the popular phone game they had on Nokia cellphones a long time ago called Snake II but since I know very little about programming I will be using ASCII graphics instead of a 2D graphics engine.
My idea for implementation is having a main class called game which should refresh a grid of ascii characters every, say 0.2 seconds. Then I have another class called Dot. Each Dot object has x and y coordinates, and a direction in the x and y planes (dirx = -1 means left, dirx = 1 means right, diry = 1 means up, diry = -1 means down, and obviously the snake cant move the diagonals)
The Game class prints a "*" symbol where the Dot is, and what I'm trying to do is get the screen to refresh (I think I need to use the sleep() function for this to slow the game down to a reasonable pace), and go in the direction it is supposed to go.
(I haven't programmed this in yet but the snake will be an array of Dot, and at each refresh Dot at position 0 will pass it's coordinates and direction to Dot at position 1, Dot1 to Dot2, Dot2 to Dot3, etc.
Here's my code so far:
A first class called Game.
Java Code: //Not done yet but this is the start to my game of Snake. Basically the class Game generates a Grid of ASCII characters
import java.util.Scanner;
public class Game {
public static void main(String[] args) {
Scanner keyboard = new Scanner(System.in);
final int WIDTH = 79;
[Code] .....
My problem now is that I am taking input from the Scanner class. What it does is wait for my input, then it goes on to executing the rest of the code in other words refresh the ASCII grid. This is a problem because I need the snake to keep moving at constant pace while listening to the keyboard.
How can I get my while loop to keep going (i will add a sleep() function later) while listening to the keyboard without stopping?
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Jan 25, 2013
I have to show more than one images on a jsp page which are frequently refreshed. I am getting images in stream from client end and i want to show them on jsp. How can show them on jsp and refresh them after getting new image from client side?
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Jun 20, 2012
I got one task from my manager, regarding browser back button, refresh button. He asks me the web application has to work like Banks site... means if I refresh or click on Back button(Browser's) then it has to throw the user out of session, I checked lot in internet. But I found like only disabling back button of disabling F5 keys like that. But he’s not accepting that.
How to approach for this? Can we throw the user out of session when he clicks on browser back button or refresh button. I think its possible . But i don't know how to implement.
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Sep 13, 2014
How to write a program which will automatically correct the parts of speech of a document.
Example: say in my document I have My/PRONOUN name/PRONOUN is/VERB Jhon/NOUN. He/PRONOUN is/VERB going/ADJ to/PREPOSITION school/NOUN
Now I need to change My/PRONOUN name/NOUN is/VERB Jhon/NOUN. He/PRONOUN is/VERB going/VERB to/PREPOSITION school/NOUN...How to do using java. The document may contain 100 lines tagged with parts of speech.
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Oct 26, 2014
Netbeans tells me it's an illegal start of expression during the initialisation of the interactWithUser method.
public class InvertLetter {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
/**
* String mit den Kleinbuchstaben.
*/
final String lowercase = "abcdefghijklmnopqrstuvwxyz";
[Code] ....
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Mar 11, 2015
I have a simple WORKING Factorial program code but I don't understand how it works.Here is code snippet
public class Factorial{
public static void main(String[] args){
long limit = 5;
//long factorial = 1;
[code]....
My question is - every time in a given FOR loop if Factorial value (highlighted and bold above) is initialized / reset to "long factorial = 1" then how does code produces correct values? Because correct values can be produced only if interim factorial results are saved/stored and used next time to multiply with "factor" value.
Here instead of retaining it, we initialize or reset to 1 so every time you multiply by 1 and it should produce 1! = 1, 2! = 2, 3! = 3, 4! = 4 etc which would be an incorrect result.
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