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Tag Archives: Spring

Spring Framework: Three Spring Bean Lifecycle Techniques

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When using the term ‘lifecycle’ the Guys at Spring are referring to the construction and destruction of your beans and usually this is in relation to the construction and destruction the Spring Context. There are those occassions when the management of your bean’s lifecycle is not a trivial task as there’s the need for it to perform its own internal ...

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Caching with Spring Data Redis

spring-interview-questions-answers

In the example below, I’ll show you how to use the Spring Data – Redis project as a caching provider for the Spring Cache Abstraction that was introduced in Spring 3.1. I get a lot of questions about how to use Spring’s Java based configuration so I’ll provide both XML and Java based configurations for your review. Dependencies The following ...

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Spring Data JPA and pagination

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Let us start with the classic JPA way to support pagination. Consider a simple domain class – A ‘Member’ with attributes first name, last name. To support pagination on a list of members, the JPA way is to support a finder which takes in the offset of the first result(firstResult) and the size of the result(maxResults) to retrieve, this way: ...

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Spring MVC 3: Upload multiple files

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It was just another long day at office with the database not available and one of the team members lagging by a week now. So, we had to work as a team to get it delivered. In Spring 3, it looked straight forward to upload a file. However, there was little help on offer, to upload multiple files from a ...

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Spring Data JDBC generic DAO implementation – most lightweight ORM ever

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I am thrilled to announce first version of my Spring Data JDBC repository project. The purpose of this open source library is to provide generic, lightweight and easy to use DAO implementation for relational databases based on JdbcTemplate from Spring framework, compatible with Spring Data umbrella of projects.               Design objectives Lightweight, fast and ...

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Going REST: embedding Jetty with Spring and JAX-RS (Apache CXF)

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For hardcore server-side Java developer the only way to ‘speak’ out to the world is by using APIs. Today’s post is all about JAX-RS: writing and exposing RESTful services using Java. But we won’t do that using a traditional, heavyweight approach involving application server, WAR packaging and whatnot. Instead, we will use awesome Apache CXF framework and as always rely ...

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Brace yourselves – Spring Framework 4.0 is coming!

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A few days ago SpringSource announced that the 4.0 version of the popular Spring framework is on the road. The next iteration will be Spring Framework 4.0! As SpringSource states, the focus of the upcoming version is on “emerging enterprise themes in 2013 and beyond”: Support for Java SE 8 Spring applications Configuring and implementing Spring-style applications using Groovy 2 ...

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Testing REST with multiple MIME types

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1. Overview This article will focus on testing a RESTful Service with multiple Media Types/representations. This is the tenth of a series of articles about setting up a secure RESTful Web Service using Spring and Spring Security with Java based configuration.             The REST with Spring series: Part 1 – Bootstrapping a web application with ...

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Spring Property Placeholder Configurer – A few not so obvious options

spring-interview-questions-answers

Spring’s PropertySourcesPlaceholderConfigurer is used for externalizing properties from the Spring bean definitions defined in XML or using Java Config. There are a few options that PlaceholderConfigurer supports that are not obvious from the documentation but are interesting and could be useful. To start with, an example from Spring’s documentation, consider a properties file with information to configure a datasource:   ...

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