Spring is a module based open source framework to build robust Java / Java EE applications.
1
vote
1answer
48 views
Writing Multiple Files in Spring Batch
So I want to create 6 delimited reports , they all use the same data source and same table , the query is different for each , they all are also independent.
The way I have it setup right now I have ...
-2
votes
0answers
33 views
Function of AutoWire = “Constructor” [on hold]
I try to inject the transaction interceptor to the contructor. This, using the TransactionAttributeSourceAdvisor.
I need to know whats is the function of the Autowire = "constructor" using this bean ...
-2
votes
0answers
24 views
Almost identical Spring Rest request return different responses, how to understand Spring trace? [migrated]
I have almost two identical controllers connecting to two different JPA Spring data repository. The JPA request work correctly, been tested.
I have other request on the same server that works ...
1
vote
2answers
202 views
How to add rigor to my testing?
I work on a small/medium sized Java application. Over time, I've tried to ensure that the tests which I write are "good" tests, and that there's plenty of them. Hence I've been looking into various, ...
0
votes
0answers
81 views
Are prototype beans with constructor parameters an anti-pattern?
Reading on this, Misko Hevery has said “Newables can ask for other Newables in their constructor, but not for Injectables”
Now it appears to me that requesting a prototype be instantiated at run-time ...
1
vote
1answer
407 views
Programmatically extending Hibernate table/entity definitions in Spring, how?
I would like to know if there is a way —maybe with AOP— to extend table/entity definitions so that I can add functionality across the board that requires persistence.
Let me explain what I want to do ...
0
votes
0answers
20 views
Is there a way to handle shared javascript assets in Spring?
I'm familiar with MVC web frameworks and lately very familiar with Symfony2.
I want to start learning Spring, and the first practical problem I would like to try to solve is handling the reuse of ...
1
vote
1answer
57 views
Duplicate method in spring services, how to refactor?
ServiceOne.java
private void doStuff(){}
ServiceTwo.java
private void doStuff()
Where to put common code ?
Shall I create a new service, but then what interface will it implement ?
Or shall I ...
-3
votes
3answers
142 views
What programming languages are most suitable for implementing design patterns? [closed]
What programming language is best for implementing design patterns, (Factory , etc) especially for example if I need to develop a engineer scheduling system in less than a month.
Would Java be my ...
0
votes
0answers
18 views
webdav in jsr268 portal application
We have a web application that we have made portal compatible(JSR 268)
using spring.
One part that has not been ported across is a WebDav servlet.
Is it possible to have a portlet handle WebDav?
or ...
1
vote
1answer
122 views
Issues about static injection in Spring?
I use spring-boot with spring xml in my project.
I wrapper the DAOs in a DataAccessService class to serve as a DB service layer, both the service and the DAOs are injected in spring xml and used by ...
0
votes
1answer
213 views
issues about Spring initialization in different environment
I have some questions about spring's initialization in different environment.
1. In web container context, such as tomcat.
I knew that spring can be initialized by declaring
...
3
votes
3answers
816 views
Should service layer catch all dao exceptions and wrap them as service exceptions?
I have three layer Spring web app: dao, service and controllers. A controller never calls directly the dao, it does it through the service layer. Right now, most of the time if there is dao exception ...
0
votes
1answer
323 views
Spring web application deployment infrastructure
I'm interested in hearing out what's out there in terms of tips and tricks on deploying and maintaining a Java web application whilst keeping agile. I'm running solo on a startup project I'd like to ...
0
votes
0answers
71 views
Implementing a universal timer for a game with multiple players in spring mvc
I am trying to create a simple online card game with multiple players. Basically, there's a dealer and multiple players. I have have already implemented most of the game and it's working fine. now I ...
5
votes
1answer
366 views
Java application structure: Horizontal vs vertical split
Having a bit of a debate about the starting project structure (using Maven/Eclipse) for a big Java application.
Option 1:
entities (i.e. the whole database using Hibernate classes-first)
services ...
4
votes
2answers
247 views
Best solution for a large database transaction
I have a COBOL CICS process running on a mainframe legacy system. The process does over 2K DMLs in a highly concurrent DB environment. After each CRUD operation, the result is used to make further ...
-1
votes
1answer
41 views
Spring Controllers and Services
we are at the middle of a project. It's a REST Service. Now we have controllers to handle the Requestmappings and the forwarding to the Services.
A concrete example we have a UserController, ...
3
votes
1answer
166 views
Database Password problem when using GIT to manage project that uses Spring to initiate Datasource
I use Spring Framework to code my Web Service, using Dependency injection to inject a DataSource bean into the DAO bean that will be used by the Web Service. I have all the database properties(Url, ...
2
votes
2answers
191 views
blurry lines between web application context layer, service layer and data access layer in spring
I'll admit I'm a spring newbie, but you can correct me if I'm wrong, this one liner looks kinda fishy in a best practices sort of way:
@RepositoryRestResource(collectionResourceRel="people"...)
...
1
vote
0answers
248 views
Multiple long polling requests: bad idea?
I am designing a web server that handles multiple things such as a user-to-user chat, a user-to-group chat, friends request, forum etc.
The chats have to be real-time chats, the friends requests ...
0
votes
0answers
722 views
Spring bean injection into a hibernate validator constraint
I have a controller method like listed below whose argument is annotated with @Valid to validate PasswordChange object using a Hibernate validator @Constraint. Both PasswordChange and a sample ...
0
votes
1answer
291 views
Pooling (Singleton) Objects Against Connection Pools
Given the following scenario
A canned enterprise application that maintains its own connection pool
A homegrown client application to the enterprise app. This app is built using Spring framework, ...
0
votes
1answer
125 views
Is Spring Source Tool suite required for J2EE application development? [closed]
I am following a tutorial. The guy keeps on adding different plug-ins such as subclipse, maven, spring source tool suite, etc after setting up jdk, eclipse, tomcat.
While installing spring, he was ...
9
votes
3answers
5k views
Which classes should be autowired by Spring (when to use dependency injection)?
I have been using Dependency Injection in Spring for some time now, and I understand how it works and what are some pros and cons of using it. However, when I'm creating a new class I often wonder - ...
5
votes
3answers
2k views
Difference between an architecture and a framework [closed]
A terminology question appeared when I was comparing EJB 3 and Spring.
Wikipedia says that
Enterprise JavaBeans (EJB) is a managed, server-side component
architecture for modular construction ...
0
votes
1answer
197 views
Spring JDBC Template without DAO?
I am rather new to writing applications that interact with databases, and I'm curious about a project I'm working on. I have to write a very simple web app which is going to be displaying metric data ...
1
vote
1answer
115 views
Implementing an interface from a framework vs simple java interface
This concept is unclear with me.
I have worked on several frameworks for an instance Spring. To implement a feature we always implement some interfaces provided by the framework.
For an instance if ...
1
vote
1answer
3k views
Separating front end from back end - Tomcat
I'm currently working with a company that uses Java / Tomcat / Spring for the back end of our web applications. As a front-end developer, I'm feeling more and more strongly that the back end should be ...
1
vote
1answer
188 views
The Nature of Spring [duplicate]
Is it accurate to say that dependency injection manually using java (without spring) is nothing but implementing the strategy pattern (as per this example)?
Furthermore, is it correct to say that ...
1
vote
0answers
244 views
How to integrate google search results in a spring mvc app
Here's what am trying to do (and searching for similar hasn't shown any results anywhere):
On my website - provide an input box which will search google for results. I want to display those results ...
1
vote
1answer
359 views
How to properly use Hibernate
I am new to Hibernate so my question could be seen as a very straight forward one, also I will try not to be too generic (as I am always told off because of that), although as with all architectural ...
1
vote
1answer
1k views
What is bootstrap listener in the context of Spring framework?
I am studying Spring framework, in web.xml I added following which is a bootstrap listener. Can anyone give me a proper idea of what is a bootstrap listener?
<listener>
...
-1
votes
1answer
506 views
Options for implementing aggregate message processing [closed]
I am developing a web service in java that requires to do an asynchronous call to a 3rd party app by aggregating about 100 requests or for a minute (whichever happens earlier). Is there any open ...
0
votes
1answer
178 views
BlazeDS: Server DTO method naming convention
I have the following field in Flex:
[Bindable] public var zIndex:uint;
And I was trying to create the methods to process the calls in Java and I ran into a problem.
1. public int getZIndex(); // ...
3
votes
1answer
3k views
Multi-module web project with Spring and Maven
Assume we have a few projects, each containing some web resources (e.g., html pages).
parent.pom
+- web (war)
+- web-plugin-1 (jar)
+- web-plugin-2 (jar)
...
Let's say web is the ...
2
votes
1answer
133 views
Scalable spring core with AMQP?
I use 3 standard Spring MVC war, which share a common core (Services, DAO, and Models).
The main problem is when I plan to deploy all the 3 wars on a same server. I have the Core Application Context ...
0
votes
1answer
333 views
Could I have a real-world example of using the Spring scripting module in your Java application?
The Spring framework supports the use of scripting languages (specifically JRuby, Groovy and BeanShell) whereby a script in any of these can call Java code and vice versa.
I have read that a possible ...
1
vote
0answers
316 views
Atmosphere + Long Polling : No message distribution?
I'm experiencing a strange behavior with Atmosphere + Long Polling.
I'd like to have a broadcaster per user, so I have registered a broadcaster on resource suspension with id : /user/.
I use ...
8
votes
4answers
2k views
Spring - Confusion over configuration?
Somewhere I read Spring offers convenience over configuration. But Spring folks are bringing in so much changes over the configuration , that I am now really getting confused to use the xml ...
-4
votes
1answer
2k views
Singleton: Is Singleton an Anti-Pattern [duplicate]
Was reading an interesting blog post on Singleton design pattern which is so widely used.
If it's stupid or as in some quora posts, its an anti-pattern why is it so widely used even in frameworks.
...
2
votes
2answers
918 views
Which is simpler for REST client call to return JSON - JQuery/JavaScript or Spring RestTemplate? [closed]
I've been trying to hack up an annotated Spring MVC web app but it's proving pretty hard to call a URL of my web app which fires a request to a remote API (UK Police data) and recieves a reply which I ...
4
votes
2answers
260 views
Should I make package private my DAO interfaces?
I have several DAO classes that implement an interface. In the other hand, I have Service classes that use those DAO implementations.
So far all the DAO interfaces are public and I was thinking if ...
-1
votes
1answer
1k views
How to do transaction management using Spring without Annotation?
I'm using Hibernate4.2 and Spring3.2 and I m doing transaction management using Spring without annotation (i.e. without @Transactional). How can I use Spring-transaction management without annotation ...
7
votes
1answer
2k views
How to choose between lightweight or heavyweight framework for web application
In my current role as a software developer in a Java/Spring/Hibernate/JSF shop, I am sometimes asked to develop large-scale web apps with many interfacing systems and/or large databases as well as ...
1
vote
1answer
2k views
Handling error message for a Spring MVC login form
This can apply to many error handling scenarios, but I'm curious about how to do it in a login scenario.
Given this Spring controller method:
@RequestMapping(value = "/account/login", method = ...
2
votes
1answer
1k views
Using akka actors with service spring beans
Do you think that using akka actors in front of transactional service beans, is a good idea ?
Actors are waked up by a facade used by a client application, and actor use a message to handle right ...
4
votes
1answer
1k views
How can I scale spring application context?
I'm currently working on a project that need to be dynamically scaled on demand according to the need.
My question is about scaling spring context. My web application has a classical multi module ...
2
votes
2answers
756 views
Should my login logic be part of the controller or a service in MVC webapp
I'm using Shiro as my security manager for a Spring MVC web application.
The login basically happens in these lines:
Subject user = SecurityUtils.getSubject();
user.login(new ...
2
votes
2answers
445 views
Web application (Spring, JSF) forks, how to reuse existing code for subprojects?
my question is going to be somewhat philosophical and "architectural oriented" so bear with me.
Right now we have existing Java web application built on top of Spring and JSF(facelets) with maven. ...
