JSF :: 2.0 - How To Highlight InputText When Validation Error Occurs

Mar 18, 2014

How to highlight an inputText in JSF 2.0 when a server-side validation error occurs? I have the server side validation,if validation fails, text box color (style) should change. Else it should display in normal color.

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Error Occurs Unless Initializing Variable?

Oct 12, 2014

I don't understand that the error occurs when I don't initialize the variable myPoint. Whereas, I initialize the variable myPoint after variable declaration and before place of error.
 
package enumeration;
import java.util.Random; 
public class Craps {

[Code]....

When I initialize the variable myPoint to zero in its decleration, the error disappear. But why? I have already initialized the variable myPoint in default case before the line of error occured..

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Error Handling / Validation In GUI

Feb 10, 2014

I have a GUI that prompts the user for information. When they click 'submit', a new customer gets created from a class like so ...

Java Code:

public void actionPerformed(ActionEvent arg0) {
Customer customer = new Customer(); // New customer object
customer.name = view.getName();
customer.age = Integer.parseInt(view.getAge());
customer.ccn = view.getCCNumber(); mh_sh_highlight_all('java');
I am having difficulties validating my variables for nulls. For instance ...

Java Code:

// METHOD TO RETRIEVE TEXTBOX INPUT -- NAME
public String getName() {
String name = null;
if (jtfFirstName.getText() == null || jtfLastName.getText() == null || !jtfFirstName.getText().matches("[a-zA-Z]+") || jtfLastName.getText().matches("[a-zA-Z]+")){ // Validate name fields
JOptionPane.showMessageDialog(null, "<html><i>Improper Input Detected.</i>

[code]...

I can't seem to win with this. Whether the fields are filled in properly or not, I get the error message and the program continues to completion using the name "null".

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JSF :: Submit Form Says Validation Error

Feb 18, 2015

In my web application (jsf 2.2 + prime 5), when I click the submit button, JSF says: "validation error". I think the problem is related to my equals method contract.

Debugging the equals method, the type received by this method is "Short" (my PK type) and not the object type to compare (professional type in this case). So, equals will return false always!

PK declaration in Entity Class
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Basic(optional = false)
@Column(name = "id")
private Short id;

equals method:
public boolean equals(Object obj) {
if (obj == null) {
return false;

[Code] ....

Is this correct?

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EJB / EE :: Bean Validation Error In JPA When Trying To Persist Entity

Aug 5, 2012

i get this error when trying to Persist a customer Entity in my web application using netbeans with the default glassfish server persistence provider eclipselink(JPA2.0)

error is

SEVERE: javax.validation.ConstraintViolationException: Bean Validation constraint(s) violated while executing Automatic Bean Validation on callback event:'prePersist'. Please refer to embedded ConstraintViolations for details.

the table that i want to write to has the following colums
id ==> primarykey auto increment not null int
name == varchar(45) not null
phone ==> varchar(19)
nationalIdNo ==>varchar(19)
balance ==> bigdecimal(6,2) not null default(0.00)

in my addNewCustomer i only need to set name, phone and nationalIdNo only this is my code

/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package session;

import cart.Cart;
import entity.Customer;
import javax.ejb.Stateless;
import javax.ejb.LocalBean;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

[code].....

why am i getting this error? and how do you do a bean validation?

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Program Outputting Null Into Validation Statement - Runtime Error

Oct 17, 2014

I am Having trouble with my program to validate. It is outputting null into the validation statement then it brings back a run-time error to that validation Statement for the String.

public String validateData ()
{
if (nm == null)nm = "Error! Must enter at least one character";
else nm = name;
return name;
}//end validation method

Why is this happening, and then once that is completed, why is the validation Sentence in tests Scores not able to validate. I traced it back to out put "Error, a number between 1<100".

public void validateTests ()
{
String testschange;
if (test1 < 0 || test1 > 100) {
testschange = " You have entered an invalid number, between 1-100. Please restart!";
testschange = Integer.toString( test1 ) ;

[Code] .....

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JSF :: Populate InputText And Its Value Corresponding Of Size Of List

May 8, 2014

I will implement a page where I have a List<String> account, then it will populate inputText and its value corresponding of the size of the List.

For example, I have 10 values in List<String> account, it must populate 10 inputText with value on it and an empty inputText beside it (for the user to input some values on it).

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JavaFX 2.0 :: Set Background Color Of Menuitem - No Highlight

Jun 21, 2015

when i set a certain menuitem background color, the highlight is losed. What should i do?

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Java Swing - Mouse Over To Highlight Desktop Icon

Jul 7, 2014

When we place the mouse cursor over an desktop icon it will get highlighted. How can I achieve this through java swings?

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JSF :: Displaying Value In OutputText When Some Event Occurs

Apr 15, 2014

I have one requirement where when i click on the attribute i would like to create an action and display the same in OutputText.

Ex:

This is Attribute Description outputText :

<rich:columnGroup id="CMAttributeBrowserDescriptionRow2">
<rich:column id="CMAttributeBrowserDescriptionColumn2" styleClass="selectedObj"
rendered="#{CMBrowserBean.attributePresent}" >
<!--<h:outputText id="SelectedObjectDescription1" render="true" value="#{currentAttribute.value}"/>-->
[b][quote]<h:outputText styleClass="attributeTableFont1" readonly="false" id="attributeTextdescription" disabled="false"/>[/quote][/b]
</rich:column>
</rich:columnGroup>

The action should be for :

<rich:column id="AttributeColumn2" styleClass="parentBrowserColumn">
[b]<a onclick="document.getElementById('CMBrowser:0:CMAttributeBrowserDescriptionForm:attributeTextdescription').value=#{currentAttribute.name}" >[/b]<h:outputText id="AttributeName" title="#{currentAttribute.name}" value="#{currentAttribute.name}"
styleClass="attributeValueFont" /></a>
</rich:column>

I am unable to get the text coming on outputText, when i click on the above attribute.

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How To Count Frequency Each Number In Array Occurs

Dec 14, 2014

I'm trying to write a program that counts the number of times each number in an array occurs. In theory I understand how it work, you take the first element in the array, compare it again the rest of the array and any time it occurs in the array you increment a counter by 1. Then move onto the next element A[1] and so on...

This is what I've done so far :

public static void main(String[] args) {
int[] array = {5,6,2,5,2,2,0,1,6};
int count = 0;
for(int i = 0; i <array.length; i++) {
int val = array[i];
for(int j = i+1; j<array.length; j++)

[Code] .....

I think I'm on the right track as it correctly prints out the frequency of the first 3 elements, but I'm definitely going wrong somewhere as it just doesn't do it right after that!

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What To Do When Exception Occurs That Affects Functioning Of Program

Jun 30, 2014

When an exception occurs that will affect the entire functioning of a program, in other words, the program will not be able to do what it is intended to do, is it best just print the exception to user and run System.exit(1)? And then force the user to run the program again.

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Keep Track Of Output - How Many Times Each Total Occurs

Jan 23, 2015

I am currently truing to make this class instantiate 100,000 dice rolls of 2 dice. And I also need to keep track of how many times each possible total occurs and I am having trouble outputting the result. Right now when I run my code it is just showing the results of each of the 100,000 roles.

public class ltefera_DiceRollTest {
public static void main(String[] args) {
ltefera_DiceRoll diceRoll = new ltefera_DiceRoll(10);
System.out.println("Total # of pips" + "
");
diceRoll.printArray();
System.out.println(diceRoll.countDice(2));
System.out.println(diceRoll.isArrayDataValid());
System.out.println(diceRoll.getTotal());
System.out.println(diceRoll.allDifferent());

[code]....

"how many time each possible total occurs"

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Swing/AWT/SWT :: JButtons Disappearing On Click And Reappearing When Mouseover Occurs

Mar 30, 2015

I'm having issues with JButtons and painting methods, whenever I click a grid on the board, the buttons in the JPanel disappear. Here is the board class:

package GUI;
public class Board extends JPanel implements Observer {
/**
*
*/
// private static final long serialVersionUID = 1L;
private final int boardSizeX;
private final int boardSizeY;
private final int L = 20;

[Code] ....

I know the code is messy in places, this will be fixed later, just need some pointers on how to solve the JButton issue.

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Count And Return Number Of Times Integer Occurs In Array

Nov 16, 2014

I have problems getting the right number of times for each number of the array. Here is my code:

public static void main(String[] args) {
int[] a = { 3, 13, 5, 9, 13, 6, 9, 13, 2, 3 };
int num = 3;
int count = numbers(a, num);
for (int i = 0; i < a.length; i++) {

[Code]...

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CountDigitx - Take Two Integers As Input And Return How Many Time X Occurs In Number N

Apr 29, 2014

Write a recursive Java method countDigitx that takes two integer numbers as input (a number n and digit x) and returns the number of times digits x occurs in number n:

For example if n=23242 and x=2 then the method should return 3 that is the number of times the number 2 found in n.

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Hangman Type Game - How Many Times Each Guessed Letter Occurs Within The Word

Jul 31, 2014

The game runs fine, however I have to include how many times each letter that is guessed occurs within the word. For example, if the guess is e, the program should print out: The character e occurs in 3 positions. How would I go about doing this??

/*
* A program that plays simple word guessing game. In this game the user provides a list of words to the program.
* The program randomly selects one of the words to be guessed from this list.
* The player then guesses letters in an attempt to figure out what the hidden word might be.
* The number of guesses that the user takes are tracked and reported at the end of the game.
*/

import java.util.ArrayList;
import java.util.Random;
import java.util.Scanner;
import java.io.File;
import java.io.FileNotFoundException;

[Code] .....

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Binary Tree - Storing Each Word As String And Int Frequency For Each Time Word Occurs

Apr 27, 2015

I have built a binary tree, from a file. In each node, I am storing each word as a string, and an int frequency for each time the word occurs. For the assignment, I need to find how many words occur only once in the file. I wrote the program, but for some reason I am getting a number different from what my professor is expecting.

As far as I know, this file has loaded into the tree correctly, because all of my other answers in the assignment are correct. What am I doing wrong?

public void findUnique() {
System.out.println("There are " + findUniqueWords(root, 0) + " unique words.");
}
private int findUniqueWords(Node subTree, int uniqueCount) {
// Base Case: At the end of the branch
if(subTree == null){
return uniqueCount;

[Code] ....

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Do-while Input Validation

Oct 24, 2014

I need to write an input validation while using the do-while statement. I feel like most of it is good except that it gets stuck inside the brackets of the do statement. After I enter an input, it just keeps asking me over and over for an input. Then I have to make it s if you enter an input that is out of range, you have to keep entering an input until it is in range.

Java Code:

do
{
System.out.print("Please enter the amount of spaces the letters will shift... ");
shift = uInput.nextInt();
} mh_sh_highlight_all('java'); Java Code: public class ShiftEncoderDecoderDriver
{
public static void main(String[] args)

[code]....

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Adding Validation To A Constructor?

Nov 17, 2014

I want to add validation to some of the elements in my constructor.

Person(String idIn, String nameIn, ) {
this.id = idIn;
this.name = nameIn;
}

I want to be able to check that the data for the ID is limited to a certain collection of characters formatted in a certain. For example, I may wish to limit it to 5 lowercase letters or numbers, or a combination of both. How could I do this?

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Why Username Validation Not Working

Oct 24, 2014

I have a JSF page for changing login credentials and i preferred to use Java validations instead of JSF validations on the inputText. The password validation works fine but the username validation does not produce any output. This is my JSF form

HTML Code:

<h:form>
<p><strong>Please type your new username: </strong>
<h:inputText size="15" value="#{register.newUsername}"/></p>
<p><strong>Please type new your password: </strong>
<h:inputSecret size="15" value="#{register.newPassword}" /></p>
<p><strong>Please retype new your password: </strong>

[code]....

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Time Input Validation

Nov 24, 2014

I am trying to validate user input of time. It seems that only part of it works. It will only accept hour 20-23 as valid.

void timeValidate() {
String value = "";
boolean bTryAgain = true;
Scanner sc = new Scanner(System.in);

[Code] .....

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Date Validation Not Working

Mar 2, 2015

<%@ page import="org.springframework.web.context.WebApplica tionContext" %>
<%@ page import="org.springframework.web.context.support.We bApplicationContextUtils" %>
<%@ page import="java.util.*" %>
<%@ page import="java.util.ArrayList" %>
<%@ page import="java.io.*" %>
<%@ page import="java.text.SimpleDateFormat" %>
<%@ page import="java.net.*" %>

[Code] ....

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Data Validation Of XML File

Mar 23, 2015

I have an xml file whose data needs to be validated with 250+ rules, the size of the xml can range from 4MB to 50 MB. Have the following questions.
 
1. Where the Rules should be defined, as i would like them to dynamically controlled(instead of hard coding)
2.  Given the size of the data and input being xml, how should i approach this problem(considering the rules might change etc)
3.The names of the UI and XML tag names will be different, so when should the translation takes place
 
Following is the structure of the xml :

<DATA>
<Parent>
     <Fields>
     //All the data like name, age, height, weight, blood group etc goes here
     </Fields>
     <Childs>
     <Name = 'Andrew' id = 7560>

[Code] ....

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Primary Key Validation In Java

May 29, 2014

How do you do validation in java for primary key  lets say the table got combination of two columns as primary key,how can i validate that if use enter already existing value...

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Swing/AWT/SWT :: GUI Phone Number Validation

May 2, 2015

I am trying to validate the phone number with a method called isValidAddress and whenever it gets to that line of code in the while loop I get a lot of red line java exceptions. I am referring to lines 130-138

package pa4;

import ch9.Contact;
import ch9.SortPhoneList;
import pa4.pa4Delegate;
import javax.swing.JFrame;
import javax.swing.JLabel;
import java.awt.*;
import java.awt.event.ActionEvent;

[Code] ....

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