Say I have my sources in my src/ tree (and possibly in my test/ tree). Say I would like to compile only part of that tree. The reasons why I might want to do that are various. Just as an example, I might want to create the smallest possible jar (without including certain classes), or I might want the fastest compile time for what I am co...
Hi, I am looking for some direction on finding a good open source project to work on. I am experienced in Java and PHP and am currently learning C, however, I don't know if I am comfortable enough in it yet to contribute anything. I tried looking at mediawiki but there wasn't really anything to do as it is such a big project with so man...
Using Java swing, what is the string that correspond to a correct email mask when using the MaskFormatter? Is that possible at all to actually use a MaskFormatter for emails? ...
In my code, I am creating a collection of objects which will be accessed by various threads in a fashion that is only safe if the objects are immutable. When an attempt is made to insert a new object into my collection, I want to test to see if it is immutable (if not, I'll throw an exception). One thing I can do is to check a few well-...
HI There, My organization is working on building RESTful webservices on JBoss appserver. The QA team is used to testing SOAP webservices so far using SoapUI. SoapUI has a new version that has REST capabilities. We're considering using that. 1) Are there any publicly available RESTful services available on the net for free that someone ...
I am working on a web application in Java which gets data from servlets via AJAX calls. This application features several page elements which get new data from the server at fairly rapid intervals. With a lot of users, the demand on the server has a potential to get fairly high, so I am curious: Which approach offers the best performa...
Has anyone used OSGi and JSF together? I ask because JSF uses class-loader magic to find custom components. From a tutorial (emphasis mine): This configuration file will end up being META-INF/faces-config.xml in the .jar file that represents this component. JSF will look for such a file name in each of the .jar files that ...
Hi everyone, Just got a question about generics, why doesn't this compile when using a generic List? If its not possible, anyway around it? Much appreciate any answer. // Interface used in the ServiceAsync inteface. public interface BaseObject { public String getId(); } // Class that implements the interface public class _ModelDto...
If I use a span tag to render a component like <span jwcid="@If" .../>, my HTML ends up with a bunch of useless span tags. Most of the time, that's ok, but in some cases, it's interfering with my CSS or making the page invalid. Is there a way to tell Tapestry to process the tag, but not actually render it? ...
I have an ArrayList of Strings, and I want to remove repeated strings from it. How can I do this? ...
Hi, I'm having a JBoss EJB3 Application and a Swing client, running in 32-bit Java 6 VM's. We now have to change the Server JVM to 64 bit. May this combination of JVM's cause any trouble (do I need to use 64-bit JVM on the client, too)? Greetings, buzztee ...
Hello, I am new to Hudson, perhaps someone knows the solution: I am trying to checkout the parent pom from the VSS in Hudson (vss plugin installed) and now I get class cast exception: FATAL: hudson.maven.MavenModuleSetBuild cannot be cast to hudson.model.Build java.lang.ClassCastException: hudson.maven.MavenModuleSetBuild cannot be ca...
Forgive my ignorance - still learning here. I am using Eclipse Ganymede (Java 1.5) and have been experimenting with web services - I have mangaged to get a simple web service up and running and the nice wizard you get in Eclipse generates all the necessary bits and pieces e.g. wsdl file etc - and you can test the service and everthing e...
In writing some test code I have found that Selector.select() can return without Selector.selectedKeys() containing any keys to process. This is happening in a tight loop when I register an accept()ed channel with SelectionKey.OP_READ | SelectionKey.OP_CONNECT as the operations of interest. According to the docs, select() should retur...
A client of mine is looking to convert a critical 'application' based on multiple (very complex) spreadsheets into a web app. As part of this they'd like some of the web pages they use to enter/model data to resemble a spreadsheet as much as possible. I'd be interested to know if anyone has any experience/recommendations for embeddable...
I have mapped several java classes like Customer, Assessment, Rating, ... to a database with Hibernate. Now i am thinking about a history-mode for all changes to the persistent data. The application is a web application. In case of deleting (or editing) data another user should have the possibility to see the changes and undo it. Since ...
I'm developing a kind of an exchange format between instances of an application so that user could save information to file and restore it later. The whole 'exchange format' is a single class that gets serialized and written to disk. How would you suggest to store graphical/sound information inside that class? I'd like to avoid just put...
Let's have the following class hierarchy: public class ParentClass implements SomeInterface { } public class ChildClass extends ParentClass { } Then let's have these two instances: ParentClass parent; ChildClass child; Then we have the following TRUE statements (parent instanceof SomeInterface) == true (child instanceof SomeInter...
Given two absolue paths, e.g. /var/data/stuff/xyz.dat /var/data How can one create a relative path that uses the second path as its base? In the example above, the result should be: ./stuff/xyz.dat ...
Suppose I have following string: String asd = "this is test ass this is test" and I want to split the string using "ass" character sequence. I used: asd.split("ass"); It doesn't work. What do I need to do? ...