What do you want to learn today? Jersey & JAX-RS Recent Tutorials DTO to Entity and Entity to DTO Conversion Sergey Kargopolov Java | Jersey JAX-RS | RESTful Web Services | Spring Boot | Spring MVC Almost in every RESTful Web Service application, I have to do the DTO to Entity and then Entity to…
Read More Jersey & JAX-RSIn this blog post, I am going to share with you how to configure Spring Data JPA in a Jersey 2 Container Deployable Web App. Spring Data JPA makes it much easier and more convenient to persist and read data from the database and when I needed to tie together Spring Data JPA and Jersey 2 Web…
Read More Configure Spring Data JPA in Jersey 2 JAX-RS AppAdding dependency injection support into Jersey 2 Web Services application that uses HK2 is not very straightforward. So, I created this page to document things I needed to do in my Jersey 2 RESTful Web Services app to make the Dependency Injection work. Hope you will find it useful. Create a new class that extends AbstractBinder. This…
Read More Dependency Injection with HK2 in Jersey and JAX-RSWhen you start building a mobile app most likely you will need to build pages like user Sign up and once user has successfully registered, you will need to create a Sign in page. I have created many video tutorial how to implement these pages in Swift and if you follow those you will no doubt…
Read More REST API with Java JAX-RS. Create and Deploy to Amazon Cloud.When building RESTful Web Services for your Mobile app with Java JAX-RS and Jersey you can use any Java Servlet container to deploy and run your final .WAR file. But if you use Jetty then there is a very quick way to build and run your application using Maven and jetty-maven-plugin. Below is a short…
Read More Add Jetty Maven Plugin to Your JAX-RS ProjectOften we need to load up and read a value from a property file which is stored in a WEB-INF folder of our web app. In the below example I am going to share with you how to create a web service which accepts a key, reads key value from a property file and returns…
Read More Load Properties File from WEB-INF in JAX-RS Jersey AppIf one of you RESTful Web Service Endpoints built with Jersey JAX-RS needs to initiate image download, you can use the following example to let user download an image stored on your server when they access a certain web service end point. The below example downloads a PNG image specified by @Produces(“image/png”) but you can easily…
Read More Image Download in Jersey JAX-RSTo make our Jersey RESTful Web Service Application be able to @Autowire service classes and inject Java Beans we will need to add to it a support for Spring Dependency Injection(DI) and below I am going to share with you how to do it. To add Spring DI support to my JAX-RS application, I am…
Read More Add Spring Dependency Injection Support to a JAX-RS Jersey AppWe can use @HeaderParam annotation to read the Request HTTP Headers when building RESTFul Web Services. And knowing how to use @PathParam and @QueryParam annotations, the use of @HeaderParam annotation becomes very obvious. We just use it the same way as we use the @QueryParam for example. JAX-RS @HeaderParam Annotation Code Example. JAX-RS gives us a couple of ways to…
Read More JAX-RS @HeaderParam. Reading Request Headers.@QueryParam annotation allows us to read the request parameter values which were passed as a part of URL query string for example: site.com/api/users/r4ghtaf43c3n/messages?start=1&limit=50 where site.com is your web site domain name, /api/users/ is the path to your Root Resource, r4ghtaf43c3n is the value of specific user id and can be read with @ParthParam annotation, /messages is…
Read More JAX-RS @QueryParam. Reading URL Query Parameters.In this blog post I am going to share with you how to read the PathParam value which was included in the request URI. And before you continue further I would like to mention that I have recorded a video lesson on how to use the @PathParam annotation and made it part of my video…
Read More JAX-RS @PathParam. Reading Path Parameters.In this blog post I will share with you how to use Maven to generate a very simple Jersey application which you can then use to build RESTful web services for your mobile app. I will also show you how to edit pom.xml file to add needed dependencies, so that your Jersey app is able…
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Read More Start HereThis tutorial will teach you how to make your RESTful Spring Boot API endpoint respond with either XML or JSON representation. The client application can request our API endpoint to respond with JSON or XML by including a special HTTP Header called Accept. As a value, the Accept HTTP Header will have either application/json or application/xml. …
Read More Return XML or JSON in Spring Boot Web ServiceCreate a Servlet Container deployable Jersey web application Create new Jersey web application using Maven. The project created with the below jersey-quickstart-webapp archetype can be built and deployed to a servlet container like for example Apache Tomcat. mvn archetype:generate -DarchetypeGroupId=org.glassfish.jersey.archetypes \ -DarchetypeArtifactId=jersey-quickstart-webapp -DarchetypeVersion=2.26 POM.XML Dependency to Support JSON To support JSON in your Jersey Web App add…
Read More RESTful Web Services with Jersey and Spring Data JPA – Cheat Sheet