Learn to use JAX-RS @Path annotation and write resource path in it for URI matching. Paths can be written in simple form (static or path parameter) or complex form (regex based).
1. JAX-RS @Path URI Matching Types
JAX-RS @Path annotation is used to specify the URI on which the resources will be accessible to other applications or clients. The @javax.ws.rs.Path annotation must exist on either the class and/or a resource method. If it exists on both the class and method, the relative path to the resource method is a concatenation of the class and method.
URIs in @Path are defined in two ways.
- Simple URI matching
- Regex based URI matching
2. JAX-RS @Path – Simple URI matching
In simplest form, URI consist of static path and if needed some per-defined parameters.
@Path ("users")– matches to application/user-management/users.@Path ("users/{id}")– matches to application/user-management/users/12.
3. JAX-RS @Path – Regex based URI matching
In complex form, we can use regular expression based parameter matching.
@Path("/users/{id: [0-9]*}")(support digit only) – matches to http://localhost:8080/RESTfulDemoApplication/user-management/users/123456.@Path("/users/{id: [a-zA-Z][a-zA-Z_0-9]}")(first character alphabet and then alpha-numerics) – matches to http://localhost:8080/RESTfulDemoApplication/user-management/users/abc123.
Happy Learning !!
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how to prevent displaying null attributes in json response when using jersey jax rs
Use primitives. Primitives don’t have default values while object does have i.e. null. It means use int in stead of Integer.