Pattern « Development « Java Enterprise Q&A





1. Good pattern or framework for adding auditing to an existing app?    stackoverflow.com

I have an existing J2EE enterprise application to which I need to add auditing, i.e. be able to record CRUD operations on several important domain types (Employee, AdministratorRights, etc.). The application has ...

2. Are there any good J2EE value list handler pattern implementations?    stackoverflow.com

Are there any good value list handler implementations available? I've found valuelist, but it seems to be stagnating... besides I really need good control of links the taglib ...

3. Recommended Java/AJAX design pattern?    stackoverflow.com

We need some input on what is a good design pattern on using AJAX in a Java application. Consider a simple scenario:

  1. User clicks a button which sends a request to a ...

4. What is the difference between Dispatcher view and Service to work design pattern?    stackoverflow.com

What is the main difference between Dispatcher view and Service to work design pattern?

5. Patterns for deploying layered business applications written in Java    stackoverflow.com

I'm working on a layered business application written in Java that should be packaged as an EAR file and deployed to a JBoss application server. There's a web-application layer, a service ...

6. Java EE deployment patterns resourses    stackoverflow.com

I'm looking book/online resources about Java EE application deployment pattens. Especially I want to know patterns when to use local interfaces when remote ones (how many nodes I need to?). The ...

7. Gang-of-four pattern usage in aspect-oriented-programming?    stackoverflow.com

I am doing research on a SOA topic and i am trying to understand what gang of four say about aspect orientation. I also need to implement one of these pattern ...

8. Java Web Application Configuration Patterns    stackoverflow.com

Are there any patterns or best practices that can be used to simplify changing configuration profiles for java web applications across multiple environments. e.g. JDBC URLs, SOAP end-points, etc. As ...

9. Sample J2EE projects using J2EE design patterns    stackoverflow.com

For .Net there are lots of projects that Microsoft/others provide via which one can learn how patterns etc. are implemented in real life projects. I am looking for ones for J2EE (apart ...





10. Using Command Design pattern    stackoverflow.com

Can any one explain with simple example of Command Pattern. I refer in internet but i got confused. Thanks, Ravi

11. Can we consider a design pattern as a tier in j2ee application    stackoverflow.com

Recently i got this question in my interview.. He had asked me about N tier ,I was telling him about 3 tier applications Suddenly he asked me Can i have 5 tiers ...

12. how to achieve xxx.blogspot.com URL pattern?    stackoverflow.com

Consider the case of blogspot.com the domain is the one blogspot.com only but suppose i register in it with xxx then i will have xxx.blogspot.com like wise here it won't be ...

13. Are all of the core J2EE patterns still good in context of JEE?    stackoverflow.com

With the arrival of JEE and EJB 3,

  1. have any of these Core J2EE Patterns become obsolete, or stand deprecated in light of (better) alternatives?
  2. Are there any new patterns that ...

14. Looking for design patterns to isolate framework layers from each other    stackoverflow.com

I'm wondering if anyone has any experience in "isolating" framework objects from each other (Spring, Hibernate, Struts). I'm beginning to see design "problems" where an object from one framework gets ...

15. Visual artifacts on UIView rotation with tiled background image    stackoverflow.com

I have an iPad app with a standard UIViewController/UIView setup - all rotations are allowed. The UIView draws some tiled image as background (the tile is 256*256 pixels):

- (void)drawRect:(CGRect)rect
{
   ...

16. Design patterns illustrated by Java SE/EE APIs?    stackoverflow.com

Possible Duplicate:
Examples of GoF Design Patterns
Currently studying patterns stuff, and this one lacks concrete examples. Would you help me to ...





17. Java EE patterns - Registry and others - relevance    stackoverflow.com

I am reading the book Patterns of enterprise application architecture. While going through the basic patterns - such as Registry pattern I am finding that possibilities that ...

18. How would you solve this in Java? Any design pattern for referencing to unknown data?    stackoverflow.com

My system needs to interface with a couple of other systems, and possibly more in the future. The web application has an internal data model suitable for its purpose, however when ...

19. disadvantage of CRUD pattern    stackoverflow.com


does anyone ever use the CRUD pattern?
whether the correct that implementation of crud pattern consume more memory because of generalised format they are written, to store any kind of data?
Thank's for ...

20. What's the relevance of J2EE Design Patterns?    stackoverflow.com

I'm already familiar of GoF's patterns, and I've been reading on J2EE Design Patterns (specifically, browsing this index). Now, many of them are strikingly similar to either GoF's patterns ...

21. JAVA EE proxy pattern    stackoverflow.com

I keep reading everywhere that when you ask for dependencies to be injected in a bean, you are injected a proxy to an instance of that resource. I believe I know ...

22. Java EE 6 Design Patterns    stackoverflow.com

I would like to know about the design patterns that can be applied in Java EE 6 implementation. MVC. GOF. DAO Persistent relational mapping pooling CEC Entity control boundary (ECB) and many others Do JPA eliminate the ...

23. Using AOP to track code usage patterns in a Java Application    stackoverflow.com

I am curious if anyone out there has used AOP to track code usage patterns in a Java Application? My goal is to log to the database all the java classes ...

24. Is there Pattern to manage : Taxonomy + search (Lucene) + Permission    stackoverflow.com

I want to develop my own website administration. Here is my problem, I want to use these technologies :
* search : LUCENE/SOLR
* users' permission : ACEGI (SPRING SECURITY)
* taxonomy (I do not ...

25. J2EE Design Pattern - Dispatcher View & Service to Worker    stackoverflow.com

I am trying to understand J2EE design pattern - 'Dispatcher View' & 'Service to Worker'. What is the core idea behind these two approached & how to use these patterns in our ...

26. Table module and table data gateway patterns    stackoverflow.com

I'm learning about patterns of j2ee, can anybody tell me what the differences are between table module(domain logic pattern) and table data gateway (data-source pattern)? Thank you

27. Dispatcher View pattern and MVC    stackoverflow.com

I read about the Dispatcher View pattern and it seems pretty helpful to develop simple web applications. Can this pattern be considered a simplified MCV or a simple implementation of ...

28. JEE design pattern question for MDB    stackoverflow.com

We are designing an application in which MDBs will pick up incoming messages and do a series of tasks. Some of these are functional like XML validation and some are like aspects ...

29. HTTPAsyncClient Using Singleton Design Pattern    stackoverflow.com

I am trying to use Apache HttpAsyncClient to write a singleton class to provide asynchronous HTTP service for my application. Here is the example of the HttpAsyncClient codes:

     ...

30. plugin base pattern for web app    stackoverflow.com

I would like in a web application to be able to add some functionnality Is there any pattern for a web application to be able to add plugin? Every plugins could be a ...

31. E-commerce application using MVC pattern    stackoverflow.com

I am going to develop an e-commerce application using MVC architecture (model 2). Could you please guide me onto essential tips I should care for ? Like design concepts, choosing suitable ...

32. How should I design a plugin system in a layered Java EE Application?    stackoverflow.com

I have a Java EE based REST api application. It has a layered architecture like the following:

  1. Resources (Jax-rs resources)
    • Object Validation
    • Object Mapper
  2. Service Layer
  3. Repository Layer
  4. JPA Entities
Everything is wired using Spring dependency injection. I ...

33. difference between facade and business delegate pattern    stackoverflow.com

What is the difference between facade and business delegate design pattern. Aren't both used for hiding business logic from the client?

34. Is there a way to avoid HttpSession time renew for a specific url pattern?    stackoverflow.com

First, I know the simple answer is no. But my problem is: I have a webapp that uses comet to notify events to users, but when a reconnection occurs, the session ...

35. Task Pattern for Java Web Applications    stackoverflow.com

It's pretty common to see some flavor of the Task Pattern implemented on enterprise Swing applications. It just makes sense: you'll have a lot of complex user commands that may take ...

36. Solr query pattern match not working    stackoverflow.com

Possible Duplicate:
Solr query is hanging server
I have used Matcher.java to pattern match the query string in solr, it was working fine and for a ...

37. Connection pooling using which design pattern ?    coderanch.com

There is no need to use the Singleton pattern together with a connection pool. I'd actually advise against it. There are a number of other patterns that could be used in combination with a connection pool - for example the Proxy pattern. It really depends very much on the specific requirements and design problems.

38. Can we set a specific date pattern for our app/webapp    coderanch.com

Can we set a specific date pattern for our application or web application without doing any work around by ourselves. I have looked into Locale class but couldn't find anything I want. As we can set a default locale for a JVM instance. Just like the same can we set a specific date format for a JVM instance. Moreover, can we ...

39. Using a Factory Pattern in a Web Based Application    coderanch.com

I think the question should be changed from "how an Factory Pattern would be useful in a WebBased application" to "why or when we need to use Factory Pattern". The beauty of the Factory Pattern is you can "inject" new implementation to your system without large scale change. Factory Pattern encapsulate (or hide away) the creation of the real instance. That ...

40. Singleton pattern in j2ee?    coderanch.com

Can you please tell us why we should not use singlton pattern in J2EE application? In our product (that is j2ee) we are using singleton pattern. that why I am thinking we can use it.for class which we want to have only one instance with respect to client. Please tell us. Thanks in advance.

41. Simple J2EE Design patterns for newbies    forums.oracle.com

The code above works without any problems. However I now want to write a method to execute a select statement and I want it to be able to return the results to a jsp that can then iterate through and print out the results. My guess is that i create a method to return the resultsset array that a jsp page ...

42. J2EE patterns    forums.oracle.com