Spring is a module based open source framework to build robust Java / Java EE applications.

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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 ...
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370 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 ...
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1answer
468 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 ...
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1answer
2k 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> ...
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1answer
233 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(); // ...
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1answer
5k 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 ...
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1answer
157 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 ...
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1answer
555 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 ...
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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 ...
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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 ...
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1answer
3k 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. ...
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2answers
1k 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 ...
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2answers
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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 ...
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1answer
3k views

How to choose between lightweight or heavyweight framework for web application [closed]

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 ...
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1answer
4k 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 = ...
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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 ...
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1answer
2k 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 ...
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2answers
1k 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 ...
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2answers
573 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. ...
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2answers
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Need advice on framework design: how to make extending easy

I'm creating a framework/library for a rather specific use-case (data type). It uses diverse spring components, including spring-data. The library has a set of entity classes properly set up and ...
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1answer
596 views

Execute a Managed bean from a JSF view in WEB-INF folder

We are initiating a Spring + Primefaces project and the first problem we have encountered concerns storing the XHTML pages into the WEB-INF folder. When we use a faces form in a view located inside ...
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3answers
6k views

When not to use Spring to instantiate a bean?

I am trying to understand what would be the correct usage of Spring. Not syntactically, but in term of its purpose. If one is using Spring, then should Spring code replace all bean instantiation code? ...
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0answers
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Spring AOP advice order

In Spring AOP, I can add an aspect at the following locations before a method executes (using MethodBeforeAdvice) after a method executes (using AfterReturningAdvice) around a method (both before ...
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5answers
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Do I need to know servlets and JSP to learn spring or hibernate or any other java web frameworks? [closed]

I've been asking a lot of people where to start learning java web development, I already know core java (Threading,Generics,Collections, a little experience with (JDBC)) but I do not know JSPs and ...
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2answers
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How to manage 2 DAO methods in a single transaction?

In an interview someone asked me : How do we manage 2 transactional/dao methods in a single transaction. Desired capabilities: If anyone of them fails we need to rollback both methods. Both of the ...
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1answer
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Difference between spring setter and interface injection?

I know how constructor and setter injection works in spring. Normally I use interfaces instead of classes to inject beans using setter and I consider it as interface injection, but in case of ...
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2answers
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Migrating from jdbc to MyBatis — advice needed

I am working on a Java application (an ERP) that has grown pretty large, and will continue to grow for the next couple of years. We have been using Spring-JDBC for our DAO layer. But the amount of ...
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1answer
664 views

Why this code create object as interface?

In am reading Spring in Action (3rd edition) and here a snippet from it: ApplicationContext ctx=new ClassPathXmlApplicationContext("springidol.xml"); Performer ...
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433 views

What Exactly is a Model Relative to the ModelAndView Class in Spring

What exactly does the "Model" part mean? Is it the same as the domain model? I've read that it's a map, but I'm having a hard time understanding the concept.
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1answer
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What is a Spring AOP 'advice'?

As the question states. What is an 'advice'? More importantly, what does it even mean (semantics)? What's the etymology of 'advice' in the Spring context?
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1answer
3k views

Spring MVC vs raw servlets and template engine? [duplicate]

Possible Duplicate: Why not Spring framework? I've read numerous articles about the Spring MVC framework, and I still can't see the benefits of using it. It looks like writing even a ...
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1answer
893 views

Why were annotations introduced in Spring and Hibernate?

I would like to know why were annotations introduced in Spring and Hibernate? For earlier versions of both the frameworks book authors were saying that if we keep configuration in xml files then it ...
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3answers
2k views

Transaction Design Pattern for MVC and location of responsibility?

I'm designing a pretty standard Spring MVC application, and I'm trying to figure out where the responsibility for transaction management should lie. I've been reading Java Transaction Design ...
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2k views

Best practice for creating views in spring and hibernate web application

Hi I am currently developing a web application in Spring and Hibernate where i have several different tables. The Delivery table for example is mapped many-to-one with the Customer table and the ...
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3answers
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Just getting started in Spring and my preference is XML config over annotations. Correct or not?

After having read through some of the Spring docs my inclination is towards using a XML config file rather than annotations on the classes themselves. My reasoning is that by doing so you avoid tying ...
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3answers
11k views

What is the use of Spring's init-method and destroy-method?

While learning Spring framework, I found that Spring framework provides init-method and destroy-methods which can be used to initialize some properties or to do housekeeping stuff. We can do all ...
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3answers
6k views

Heavy use of static methods in a Java EE web application?

Generally I am asking if this is a norm. The application architecture includes spring and the zk framework. I personally can't help but think this introduces a number of problems. I mean...this is a ...
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2answers
414 views

Replacing dao layer

I am developing a series of webservices (based on spring and spring mvc). For the first time in my dev career I do plan on replacing the dao layer in the future(I have always seen it mentioned but ...
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2answers
991 views

Creating webservices using spring-mvc. One project or multiple projects

Using spring mvc to create a restful api, Maven is build tool and tomcat with spring jars is deployment . Plan A: each webservice will be its own separate war file/project ? if required I would ...
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1answer
19k views

Where to put Spring configuration file?

I want to integrate Spring framework in my project especially into server side. So, I don't want to put it within WEB-INF folder of war file. Should I put an applicationContext.xml it into each ...
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Is Spring + Hibernate prefered instead of EJB 3?

It is my perception that whenever new JEE projects start (where these technologies would be applicable), people prefer to use a combination of Spring + Hibernate instead of EJB 3. It seems junior ...
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1answer
961 views

Attachment handling for web application with Jackrabbit

I need to manage attachments on my Spring web application and I thought to use an open source repository. My app it's a job approval system using J2EE / SPRING 3 Framework and Postgress DB to allow ...
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2answers
3k views

Write Unit test for heavily-database application? [duplicate]

I'm currently developing a Spring-based web-application, in which almost every operation create/update/delete something in the database. The logic mostly about checking condition so as to we should ...
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1answer
637 views

How to move to Java enterprise development after Python and Ruby? [closed]

I used to develop in Django/Python and Rails/Ruby (and before that C/C++ and C#), and I'm now at a job where we do enterprise Java development (Spring, Hibernate, RESTEasy, Maven, etc.) for web ...
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1answer
240 views

Multiple possible jsp views for a request

I'm looking to offer the user some way of changing how a single page looks based on some pre-defined jsps. i.e. Two or more jsp's contain similar information, and would be backed by a single ...
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1answer
1k views

Programming in academic environment vs industry environment [duplicate]

Possible Duplicate: Differences between programming in school vs programming in industry? This is a general discussion about programming in the industry environment. The background story is ...
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3answers
1k views

Tools for managing a complicated project setup with many frameworks and no documentation

We have to extend a huge java project that makes use of frameworks like maven, spring, struts, freemarker and closure templates. We do have access to source code but barely any documentation, and we ...
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3answers
770 views

Java developing server-client solutions [duplicate]

I am trying to get a job as Java developer. I have been developing web pages with Java for a while, but now trying to go to another path and develop server-client solutions. In this specific company ...
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7answers
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What does the Spring framework do? Should I use it? Why or why not?

So, I'm starting a brand-new project in Java, and am considering using Spring. Why am I considering Spring? Because lots of people tell me I should use Spring! Seriously, any time I've tried to get ...
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1answer
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Why is spring so good for Java middleware development?

I'm planning on doing some Java web development in my spare time to learn a new set of programming skills, and just want to survey opinion on why Spring is so good for middleware development? What ...