It time to learn how to create a Web Service to authenticate user with their user name and password and how to issue a unique secure access token which our Mobile Application can use to send HTTP requests and communicate with protected web services of our API. For a free video tutorial on how to…
Read More RESTful Web Service to Authenticate User and Issue Access TokenHi guys! Just wanted to share with you a new blog post and that I am about to publish a series of blog posts + videos on How to build…
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Read More RESTful Web Services with Java for your Swift Mobile ApplicationIn this blog post I am going to share with you a way to create a RESTful Web Service to: Create a new user profile, Generate and save in database a user secure user password rather than an actual password provided by user, Return back as a response a custom user profile object(JSON) with information that…
Read More RESTful Web Service to Save a New User in DatabaseEarlier I’ve published a blog post on now to create a RESTful Web Service(JAX-RS) to accept JSON payload with user profile details and how to save user profile details into a MySQL database using Java Hibernate framework. In this blog post I am going to share with you how to test(using JUnit and Mockito) it’s Service…
Read More Test RESTful Web Service with JUnit and MockitoWhen 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 ProjectIt feels good to have a wear a developer T-Shirt. As I was ordering a couple of new T-Shirts for myself, I thought why not put together a page with…
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Read More Developer T-ShirtIn this short blog post I am going to share with you how to create a new Amazon AWS S3 bucket in Java and how to set permissions on it so that any user can read files from it but only you, the owner will have write access. You can use the code below with…
Read More Create Amazon AWS S3 Bucket in JavaOften 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 AppHibernate is a great framework to use to persist data into a database when building RESTful Web Services for your mobile application with Jersey and JAX-RS. In most of the projects I have participated when designing RESTful Web Services for Mobile App we used MySQL database server and Hibernate framework to store user data which…
Read More Persist Java Object in MySQL Database With HibernateIf 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.Earlier I have shared with you how to use JAX-RS to access HTTP GET Request and how extract URI Query Parameters and how to read Path Parameters. In this blog post I am going to share with you how to handle HTTP POST request and how to read the content of HTTP Request Body as…
Read More Jersey HTTP Post Example@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.