Is It Possible To Prevent SQL Injection In Java Code?
Jul 25, 2014How can we prevent SQL Injection in Java Code?..is there any Special cases..
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Swing/AWT/SWT :: Code Prevent Cursor From Moving When Inside A Cell Of JTable
Jun 24, 2014Tried creating a simple sample but all works as expected.
The following code prevents the cursor from moving when inside a cell of a JTable.
public void keyPressed(KeyEvent e) {
if ( (e.getKeyCode() == KeyEvent.VK_KP_LEFT) || (e.getKeyCode() == KeyEvent.VK_KP_RIGHT)
|| (e.getKeyCode() == KeyEvent.VK_RIGHT) || (e.getKeyCode() == KeyEvent.VK_LEFT) )
{
//Do nothing
e.consume();
}
}
});
When editing a cell, the existing code would use the right/left cursor keys to move from cell to cell as opposed to from character to character when editing a cell. I planned to override the functionality by tossing in the above code as a test to see if it stops the functionality before I override it.
After placing in the above code, the above functionality no longer occurs, but now the cursor moves within the cell as I wanted which is to move from character to character instead of cell to cell. Its great it works, but it really shouldn't. Essentially the default behavior has been restored when it should have really disabled the left/right keys.
I assume there is some underlying class someplace that is doing something to affect the behavior. Since a sample can't be provided I am wondering in what scenarios would the e.consume() restore default functionality?
How To Prevent Java From Creating Object
Mar 6, 2014I just want to ask about a kind inheritance.Let say I have an interface MachineCode.I also have different classes, Binary, Hex and Octal that implements MachineCode
Question: How can I prevent java to create an Object like this:
Binary bin = new Binary();
Hex hex = new Hex();
Octal octal = new Octal();
those declaration above must be compile error,
I want to create Objects of Binary, Hex, and Octal this way:
MachineCode bin = new Binary();
MachineCode hex = new Hex();
MachineCode octal = new Octal();
Java Servlet :: Prevent Cross Site Script In URL
Jan 12, 2015If some one add script in my URL, I want the script not pop up, we have tomcat 6 [URL] .....
View Replies View RelatedJSF :: Injection Of EJB Into CDI Bean Call Of Method Not Allowed
Apr 21, 2014In an JEE6 webprofile project, using JBoss EAP 6.1:
I have a CDI Bean:
import javax.faces.bean.SessionScoped;
import javax.inject.Inject;
import javax.inject.Named;
import de.dpunkt.myaktion.model.Organisator;
import de.dpunkt.myaktion.services.OrganisatorDAO;
[code]....
When I call doCreate() I get
javax.servlet.ServletException: javax.ejb.EJBAccessException: JBAS014502: Aufruf an Methode: public abstract void de.dpunkt.myaktion.services.OrganisatorDAO.save(de.dpunkt.myaktion.model.Organisator) von Bean: OrganisatorDAOBean ist nicht gestattet
javax.faces.webapp.FacesServlet.service(FacesServlet.java:606)
which translates to: call of method: .... from Bean ... is not allowed
EJB / EE :: Difference Between Inversion Of Control And Dependency Injection Patterns
Feb 4, 2015My question is regarding the the Inversion of Control (IoC) and Dependency Injection (DI) patterns, when learning about Spring i saw that people keep talking about Ioc and Dependecy Injection like if its the same thing!
View Replies View RelatedThreading Prevent GUI Unresponsiveness?
Jun 22, 2014HOW does threading prevent GUI unresponsiveness?
View Replies View RelatedUnable To Prevent Data From Overwritten
Jun 29, 2014I am trying to prevent data from being overwritten and appended instead when I save it to a file. I already set the append boolean to true on the FileOutputStream, but the data is still being overwritten. My code is below:
public class Main {
public static void main(String[] args) {
LinkedHashMultimap<String, Integer> testMap = LinkedHashMultimap.create();
//ListMultimap<String, Integer> test = ArrayListMultimap.create();
OutputStreamWriter outputStream;
testMap.put("NumberA",1);
testMap.put("NumberA", 33);
[Code]...
I performed a print statement to verify that the LinkedHashMultiMap is not replacing values with the same key (which it was not) and realized that the overwriting was occurring when I wrote the data to a file.
JavaFX 2.0 :: SplitPane - Prevent CSS Inheritance
Jun 20, 2014I have a SplitPane, which is inside another SplitPane in the same tree hierarchy of the Scene. When I set the CSS class of the outer SplitPane, it always overwrites all CSS Settings of the inner one. How can I prevent it, so that e.g. I can assign a red divider for the outer and a green one for the inner SplitPane.
I have defined the CSS with
<code> </code>
How To Prevent Buttons From Flowing Over When The Window Is Dragged
Jul 23, 2014I'm using a BorderLayout, with 26 buttons to make up the alphabet from a keyboard. All the spacing looks great, but when you drag the screen out, everything gets jumbled. I would prefer to have everything stretch out, and keep the same positioning, or everything move towards the center still keeping the keyboard style positioning of the buttons but increasing the size of the window. Will a BorderLayout work for what I want, or should I try something else?
Currently to keep the buttons spaced apart I am keeping there preferred size to 25, and using horizontal and vertical struts to get the buttons positioned like I want.
This is how it is if I keep it the width and height 400, 400.
ex1.jpg
This is what happens when its stretched or shrunk.
ex2.jpg
This is an example of one of the ways I would prefer it
ex4.jpg
This is would also be acceptable.
ex3.jpg
How To Prevent Randomizer From Picking Same Index In Array Twice
Apr 29, 2015import java.util.*;
public class DungeonsAndDragonsRedux {
public static void main(String[] args) {
Scanner s = new Scanner (System.in);
Scanner t = new Scanner (System.in);
t.useDelimiter("\n"); // Prevent scanner from reading code after nextLine().
[code]...
I have this program that is attempting to randomly equip the player with items that are randomly chosen from a list. I don't know how to prevent it from picking the same item twice though. I also don't know how to display the items that haven't been equipped, which is another requirement of this program.
Prevent ComboBox From Being Used - Getting Null Pointer Exception
Oct 8, 2014Should the piece of code below set prevent the comboBox from being used? All it does at the minute return a null pointer exception. See I am using the same window but I have an if statement so if a condition is true then it will change certain aspects of the window. I want it to be true if it equals export which is does and it's populated fine but when I try and hide it if the condition equals import it returns a null pointer?
comboBoxEnv.setEnabled(false);
JSF :: File Upload And Prevent Refresh Calling Page
Apr 1, 2014I 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] .....
How To Prevent A User From Going Out Of Bounds In Simple Array Game
Apr 26, 2015I am making a very simple 2D array game where the player is asked what size they would like the game board to be. After entering, it displays the board and the player 'P' starts at index [0][0]. After that, they are asked for an action, which can be "up", "down", "left", "right", or "exit". I will be including some extra later (like a treasure at the end, or random obstacles), but for now this is what the game consists of.
I was instructed to "do nothing" when/if the player attempts to go out of bounds. I am trying to simply print an error, such as "Out of bounds! Try again.", then prompt the player again for an action. I even tried to make a boolean method to catch it, but to no avail.
I don't want the exception to occur at all. I just simply want the error message to print to the player and ask for another action. I would prefer not to use try/catch, or try/catch/finally since I already tried that and it still gave the exception error.This program consists of two classes. I will show the class containing the main first, then the client-server type class second.
import java.util.Scanner;
public class Driver {
public static void main(String[] args) {
World world = new World();
boolean keepPlaying;
keepPlaying = true;
boolean isOutOfBounds;
isOutOfBounds = false;
int height = 0;
int width = 0;
int x = 0;
int y = 0;
[code]....
Servlets :: How To Prevent Particular HTTP Header Attribute From Browser Cache
Feb 26, 2014I am generating java script tag and javascript code in servlet and displaying it in each jsp page. i include this in every jsp in my application. I am preparing the following javascript content and diplayin each jsp
<script type="text/javascript"> BOOM.addVar (clientId = SOME universal unique ID ) </script>
the clientid will be uniqueid it gets generated every time.
Here my question is, is there any possibility the clientId will be store in browser cache or third party cache server. if yes how to prevent clientId from cache.
I don't want to prevent the whole jsp file from cache. i just want to prevent only that particular field. so that i can use advantages cache and also prevent particular header field to be cached.
Also can we prevent particular http header attribute from cache.
JavaFX 2.0 :: Predicate Bindings - How To Prevent Rebuilding Them For Each Iteration Of FilteredList
Dec 4, 2014We're twisting our minds how to use predicate bindings correctly in the real world, i. e. beyond the trivial examples for FilteredList using simply static code but no bindings!
The problem is that our predicate must be bound to a chain of BooleanBindings, of which the final term needs the item injected into the predicate by the FilteredList. Example see purple code:
BooleanBinding a = ...
StringBinding b = ...
ObjectBinding<Predicate> c = Bindings.createObjectBinding(() -> item -> a.or(b.isEqualTo(item.someProperty())).get(), a, b); // Ugly: No "Bindings" style!
myFilteredList.predicateProperty().bind(c);
This code has an ugly smell! It first looks like "Bindings" style, but in fact is plain old lamba mostly! But it also is slow: The code enforces splitting of a and b into separate bindings as it enforces rebuilding the chain a.or(b.isEqualTo(...)) for each single iteration of titem in turn. That induces unnecessarily creating and garbage-collecting Bindings "on the fly", which is not how Bindings are intended -- they shall be created once and simply update their value instead of getting replaced themselves to prevent wasting CPU cycles and keep memory clean.
How to do Predicate Bindings correctly (i. e. without temporarily building Bindings for each "t") ...
JSP :: Generate Hashtable And Display Its Key Value Pairs Back To Browser - How To Prevent Timeout
Jun 24, 2004I have a jsp page that generate a hashtable and display its key-value pairs back to the browser. The problem is that it takes on an average about 15 minutes to build this hashtable, and as a result, I always get a timeout error. What can I do to avoid getting the timeout error without changing the server configuration for timeout
View Replies View RelatedCan Use Java Code From OpenScript Or APIs In Separate Java Program?
Oct 24, 2014I want to develop a Java program that uses OpenScript APIs to test my applications. The OpenScript framework automatically creates the Java Code so I was thinking of either using this code or create my own using the APIs.
I tried both options using NetBeans but I'm getting errors everywhere starting with the library import. I'm pretty new to Java so I'm sure I'm missing a lot of things here. I pasted the code below from the OpenScript framework that want to use in a stand-alone file for your reference.,
import oracle.oats.scripting.modules.basic.api.*;
import oracle.oats.scripting.modules.browser.api.*;
import oracle.oats.scripting.modules.functionalTest.api.*;
import oracle.oats.scripting.modules.utilities.api.*;
import oracle.oats.scripting.modules.utilities.api.sql.*;
[Code] ....
JSP :: Prevent Dot Matrix Printer Scrolling Entire Sheet After Printing Page As Receipt
Jul 25, 2014i am developing a web application and uses jsp page to print a payment receipt.
everything works good, but printer scrolls complete sheet after printing first receipt. so need scroll back manually every time i print a receipt.
So, how to stop printer from scrolling entire sheet.
JavaFX 2.0 :: How To Prevent User From Leaving Tableview Editing Cell In Case Of Errors
May 14, 2014I have a TableCell that will hold numbers in a tableview. All is working work nicely, but I want the following behavior:
- when the user begins to edit such a cell, if it doesn't enter a number, the cell will not call commitEdit, but rather display a red border and prevent the user from changing the focus to anything else until he either: enters a correct number or presses ESC.
I don't know how to keep the user in that editting cell if while he has an incorect number. Currently he can click other row/control and he will break the edditing state. I repeat, I don't want the user to be able to click on any row/control until he has a correct number.
Here is my cell implementation:
public class EditableIntegerCell extends TableCell<Person, Integer> {
private TextField textField;
@Override
public void startEdit() {
if (!isEmpty()) {
super.startEdit();
createTextField();
setText(null);
[Code] .....
Fibonacci Code In Java
Nov 30, 2014how do we get the following numbers (1 2 3 5 8 13 21 34 55 89) out of the following code? I can't get my head around this loop....
HTML Code:
public class Fabnoci{
public static void main(String[] args)
{
int n=10,i,f0=1,f1=1,f2=1;
for(i=1;i<=n;i++)
{
f2=f0+f1;
[code]....
Java Code For Next Button?
Jul 2, 2014i have made a phone directory and i have also maintained a database for this. i want on clicking the next button each row from database table display one by one on the GUI into their relevant text Fields. i have written this code , this code show the last row of the table on single click on next button. i want one by one row on each next button click.
private void next_contactActionPerformed(java.awt.event.ActionE vent evt) {
try {
String Url = "Jdbc:OdbcirDSN";
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con = DriverManager.getConnection(Url,"sa","mysql");
String sql = "SELECT * FROM PersonInformation";
PreparedStatement pstmt = con.prepareStatement(sql,
ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR _UPDATABLE);
[code].....
Java Code For Passing By Value
Oct 7, 2014you will be making four variables (2 primitive integers and 2 Account Objects). You will be following the steps detailed below. The challenge is to understand exactly what is happening and why. Start by coding the following two methods in a java file.
Start your main method with four variables: a, b c, d. a and by should be integer data, set them to be the values 10 and 20 respectively. Variables c and d should be Account Objects. The first account © is Ted, has $70,000 as his balance. The second account (d) is Joe, he has only $15,000 as his balance. Their account numbers are up to you to determine.Next, please print out the four variables: a, b, c, and d. Make sure that you label which ones are which. After you print these variables, please pass all four variables to a static method that you will create below. After you finish the method, please print out the four variables again: a, b, c, and d. Just as they were printed before the method.
Static methods: This method can be called whatever you want, however it will be public, static, and void. This method should take in four parameters: w and x which will be integers, then y and z which will be Account Objects.The first thing this method should do is to print out the four variables w, x, y, and z. This should be done in the same manner as you did in the main method. Next, change the first variable (w) to 15. After that, ted bought a new car. He now has only $20,000 in his account. Change the balance of y to be 20,000. Step three is to make a new Account Object named John, he has a balance of $10,000. Assign him to the variable z. Lastly, print all four variables again: w, x, y, and z.
How To Code XML Web Service To Java
Feb 4, 2014How to call web service from xml to java. I'm just new in using Java.
View Replies View RelatedCode Breaks After Upgrading To Java 8?
Jan 22, 2015We recently upgraded to JDK 8. Since then, a section of code in a jsp file breaks. The code is this:
ArrayList all = new ArrayList();
final List tsd = timeSeriesBean.getTSData();
all.addAll(tsd);
Collections.sort(all, new Comparator() {
public int compare(Object o1, Object o2) {
TSData t1 = (TSData)o1, t2 = (TSData)o2;
int res = t2.getDate().compareTo(t1.getDate());
[code]....
The error message is this:
An error occurred at line: 65 in the jsp file: /TS/VerifyImportTSData.jsp The type new Comparator(){} must implement the inherited abstract method Comparator.thenComparing(Function, Comparator)
64:
65: Collections.sort(all, new Comparator() {
66: public int compare(Object o1, Object o2) {
67: TSData t1 = (TSData)o1, t2 = (TSData)o2;
68: int res = t2.getDate().compareTo(t1.getDate());
just trying to maintain some old java code that I can support until it is rewritten.
Cucumber In Java Through Code Without Using Junit
Sep 2, 2014i want to use cucumber in java through code. previously i have used it with Junit. but now i need to implement it through coding for the purpose of automating.
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