What is doFilter doing in doFilter method in filters of java?
I wanna know that in our dofilter method i made this call chain.doFilter. What is doFilter doing inside a doFilter?Is it not gonna get recursive call? ...
java
HttpClient login, search and get the xml content
I want to login to a site using HttpClient and after logging in I want to search for something and retrieve the contents of the search result. /** * A example that demonstrates how HttpClient APIs can be used to perform * form-based logon. */ public class TestHttpClient { public static void main(String[] args) throws Exception { ...
Design Pattern problem involving N states and transitions between them
Hi All, I have a problem at hand and I am not getting which design pattern to use. The problem goes as such: I have to build a system which has 'N' states and my system has to do a transition from any state to any other state depending on some conditions. Ex: On condition 1, movement from State 1 to 3 and on condition 2 from state 1 ...
Are there any good tools for finding usage statistics of GUI, broken down panes and components?
Collecting usage statistics per web-page on sites is common practice, I'm interested in a similar thing, but for GUI:s. You see Google Chrome (and others) collect usage statistics so Google can find out what features people use, to data-mine what seems to "work". A straight-forward way to do this is to explicitly log the interaction wit...
How To Ignore Warnings With GCJ
I have some classes that implement interfaces, some of which have methods whose parameters are by definition unused in the particular class implementation. e.g. A "Shape" interface may define a "contains(point)" method, but my particular class defines a line, which cannot contain anything since it's 1-dimensional, so it always returns fa...
Garbage collection notification?
I'd like to register a callback with the JVM so I know when garbage collection is happening. Is there any way to do this? EDIT: I want to do this so I can log out when garbage collection happens in my application log, so I can see if it correlates to problems I'm seeing. Turning on -Xloggc is helpful, but it is a little tricky to inte...
Java/eclipse/hibernate
Hi I'm a .net dev, usually do this using nhibernate and can work with that fine. I'm doing a project which needs to be written in Java and have the following issue: All I have so far is a blank java project setup in eclipse. I have C:\work\lib\java\cp\hibernate3.jar in the Referenced Libraries node in the package explorer. in my code ...
How to set time on a Date object to be zero (00/00/00)
Calendar calendar = Calendar.getInstance(); calendar.setTimeInMillis(0); This sets it to the deafult value. How do I set it to zero? ...
"Java heap space" error when deploying WAR with ant on Weblogic 10.3
I'm getting this error when deploying application WAR files from my ant build via a task that calls weblogic.Deployer. This is on Windows XP, server is not in Production mode, there are only 2 other WARs installed on the server, one being just static content (web.xml + png/css/javascript files), no other weblogic servers installed on th...
Acegi throws AuthenticationCredentialsNotFoundException when opening URl with BrowserLauncher 2
Hi all, We have a JSF web application that uses Acegi security. We also have a standalone Java Swing application. One function of the Swing app is to load the user's home page in a browser window. To do this we're currently using Commons HttpClient to authenticate the user with the web app: String url = "http://someUrl/j_acegi_securit...
Excel spreadsheet like library in Swing (=improved JTable)
Hello, I'm searching for a free, open-source if possible, Java swing library that improves the existent JTable (which is very simple). I want to do an application with a spreadsheet similar to Excel one. Without the formula but with copy/paste functionalities (multiple paste if multiple selection), column reorganizing, etc... I've fou...
log4J with java applet and java plugin2
I have a java applet application running with java plugin2. The applet configuration is using a JNLP file, as supported by the next-generation java plugin architecture. Sun states that you should not use Class.forName in the context of a java webstart (or java applet) application. But I guess Log4j is doing it to configure the loggers,...
How Data Access Layer (and Database) which are in remote JVM (server) communicate with web app which is in local JVM?
How Data Access Layer (and Database) which are in remote JVM (server) communicate with web app which is in local JVM? ...
How to Consume Web service in Android?
dear friends, i am new to Android development i have a web service made in php now i want to consume it in android can any one guide me how to achieve this..??? i have tried many code samples on net but failed to achieve this goal. i am using Eclipse with ADT. any help would be appriciated. ...
Convert hibernate HQL with collection.size to criteria query
For some reason I can never figure out how to do things via criteria api. I have a HQL: from Track track where size(track.trackTitles) > 1 Is it possible to convert it into a criteria query on Track class? If yes, how: what Restriction should I use? ...
Problems editing a JCheckBox node in a JTree
I am attempting to modify the standard Swing JTree to intermingle nodes with and without checkboxes. This is an example: When I attempt to check/uncheck one of the checkboxes (the 'User 01' node in this example), the tree loses nodes: I my code is an adaptation of this example: http://forums.sun.com/thread.jspa?threadID=5321084&am...
How to open an Intent (MapView) from the Main activity with menu in Android
Hi Since I'm a newbie I don't know if I'll be explaning this correctly. But here goes it. I'm trying from main Activity (MainFile.java) to open a Map as a new intent through a menu. Something like this... switch(item.getItemId()) { case VIEW_AROUND: **Intent cityMap = new Intent(MainFile.this, Map.class); ...
Swing Application Framework @Action annotation ? what for ?
I'm actually using the Swing Application Framework on a desktop application and make good use of the session state persistence and resource manager (great for globalization) Now I have been testing the @Action annotation feature, and really I don't see any advantage over NOT using it. The official doc lists mainly these advantages: ...
LinkedHashMap<String,Object>.clone();
does the above command produce a deep copy of a LinkedHashMap's elements? ...
Cache integrity problem
I have an application that uses ehcache for cache (but I think this problem is framework-agnostic), with a method interceptor so basically if I mark my method for caching something like this happnes: public Object invoke(MethodInvocation mi) throws Throwable { Object result = cache.get(key); //key comes from MethodInvoc...