Spring Boot + AngularJS + Spring Data + JPA CRUD App Example

In this post we will be developing a full-blown CRUD application using Spring Boot, AngularJS, Spring-Data, JPA/Hibernate and MySQL, learning the concepts in details along the way. This application can as well serve as a base/starting point for your own application. In addition, we will also use the notion of profiles to deploy the application…

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Spring Boot Rest API Example

Spring Boot complements Spring REST support by providing default dependencies/converters out of the box. Writing RESTful service in Spring Boot is no-different than Spring MVC. If you are a REST Client [Rest Consumer], Spring Boot provides RestTemplateBuilder that can be used to customize the RestTemplate before calling the REST endpoints. To summarize, Spring Boot based…

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Spring Boot WAR deployment example

Being able to start the application as standalone jar is great, but sometimes it might not be possible to run an app as jar[ environment restrictions, company-wide regulations etc] and you have to build a WAR to be deployed into a traditional web/application server. Spring Boot helps us creating WAR using SpringBootServletInitializer. Following technologies stack…

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Spring Boot Introduction + hello world example

Spring framework has taken the software development by storm. Dependency Injection, rock solid MVC framework, Transaction management, messaging support, web-services etc are some of the aspects spring provides through its eco-system of related sub-frameworks. Convention over configuration is the most prominent key aspect Spring promotes. Spring-Boot which is build upon Spring foundation itself, takes convention…

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Secure Spring REST API using OAuth2

Let’s secure our Spring REST API using OAuth2 this time, a simple guide showing what is required to secure a REST API using Spring OAuth2. Our use-case fits well with Resource-owner Password Grant flow of OAUth2 specification. We will use two different clients [Postman and a Spring RestTemplate based java application] to access our OAuth2…

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AngularJS+Spring Security using Basic Authentication

This post shows how an AngularJS application can consume a REST API which is secured with Basic authentication using Spring Security. Post Secure Spring REST API with Basic Authentication shows in great details how to secure a REST API using Basic authentication with Spring Security. That application will serve as a Back-end for this example….

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Secure Spring REST API using Basic Authentication

So You’ve got the REST API for your application, and now you want to secure it. How to do that? There are several popular ways to do that, ranging from Basic Authentication to a full fledged OAuth2 security solution. This Guide explains securing REST API using Basic Authentication with help of examples involving two separate…

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Spring 4 Caching Annotations Tutorial

Wondering how to use Caching in your Spring App? Jump right in. This post goes over the caching in detail, explaining commonly used Spring Caching annotationswith examples including @Cacheable, @CachePut, @CacheEvict, @Caching, @CacheConfig & @EnableCaching. A full code example is present at the end of the chapter showing these annotations in action. Post Spring 4…

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Spring 4 Cache Tutorial with EhCache

Caching is crucial for today’s high performance hungry applications. Adding Caching in your Spring based application is rather trivial. There are many caching solutions available in market today namely EhCahe, Guava Cache, Caffeine Cache, OScache, JBoss Cache,etc. Spring provides seemless integration with them using minimal configuration. Post Spring 4 Caching Annotations Tutorial contains detailed example…

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Spring 4 MVC+JPA2+Hibernate Many-to-many-Example

In this post, we will discuss about JPA2 with Spring and create a full JPA2 complaint persistence layer for our Spring 4 MVC based web application, showing Many-to-many association relationship, right from view till persistence. That means you can choose appropriate JPA2 provider [Hibernate, EclipseLink,..] and later switch between them with only minor configuration changes….

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