Jersey (JAX-RS) single file upload example

Jersey provides an easy mechanism to let clients upload files to the server. In this tutorial, we will learn a single file upload to Jersey (JAX-RS) endpoint. 1. Include Jersey media multipart dependency in Gradle File: build.gradle (snippet) ….dependencies { compile ‘org.springframework.boot:spring-boot-starter-web’, ‘org.springframework.boot:spring-boot-starter-jersey’, ‘org.glassfish.jersey.media:jersey-media-multipart:2.+’, ‘org.springframework.boot:spring-boot-starter-jdbc’, ‘org.springframework.boot:spring-boot-devtools’, ‘com.h2database:h2:1.4.+’ testCompile ‘org.springframework.boot:spring-boot-starter-test’}…. Jersey provides multipart form data support …

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Spring Boot and Jersey (JAX-RS) static files support

In Spring Boot support for Jersey is provided by org.springframework.boot:spring-boot-starter-jersey Gradle dependency. When the static file URL pattern is matched with URLs that Jersey handles, additional configurations are required for Spring Boot to serve static resources. Note: We are using Gradle dependency management system, configuration for Maven will be similar. Add Spring Boot web starter dependency File : build.gradle (Snippet) dependencies { …

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Jersey (JAX-RS) @FormParam HTML form data handling

There are multiple ways for consuming HTML form data (application/x-www-form-urlencoded) in Jersey. Using @FormParam annotation we can inject Form values in the Resource method. We can use it just like other @*Param. Jersey resource method needs to know they have to handle HTML form data, for it we explicitly specify @Consumes(“application/x-www-form-urlencoded”). There are multiple ways in which we can handle …

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Jersey (JAX-RS) @BeanParam to inject class with aggregated @*Param injections

It will reduce our code and improve readability, if we define injections of various @*Param values in a distinct class and reuse that in various resources. In Jersey (JAX-RS) we can achieve same using @BeanParam injection. Aggregate @*Param injections in one class and use @BeanParam to inject that class in Resources. Define Class for aggregating …

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Jersey (JAX-RS) Java types to consume request parameter values guide

In Jersey (JAX-RS), to consume HTTP request parameter, cookie, header, path variable and matrix parameter string values, we have following options: Primitive types – int, char, float, long, double, byte and others. Types with constructor which accepts single String argument. Types with a static method with name valueOf or fromString which accepts single String argument. …

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Jersey (JAX-RS) matrix URI parameters handling guide

URL with matrix URI looks like: https://www.example.com/map;lat=50;long=20;scale=32000 ;lat=50;long=20;scale=32000 represents matrix parameters. Please refer W3C article on it. Using @MatrixParam annotation we can get matrix parameters value from API URI in Jersey Resources classes. Using @MatrixParam at instance variable and method parameters File : MatrixUriResource.java package in.geekmj.resource;import java.util.HashMap;import java.util.Map;import javax.ws.rs.GET;import javax.ws.rs.MatrixParam;import javax.ws.rs.Path;import javax.ws.rs.Produces;import javax.ws.rs.core.MediaType;@Path(“/matrix-uri”)@Produces(MediaType.APPLICATION_JSON)public class MatrixUriResource { /* * We can inject matrix …

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