Annotation Interface LinkResource
- Author:
- Stéphane Épardaud
-
Optional Element Summary
Modifier and TypeOptional ElementDescriptionEL expression that should return a boolean indicating whether or not this service link should be used.List of matrix parameters which should be attached to the link.String[]
List of path parameter EL from the leftmost URI path parameter to the rightmost.List of query parameters which should be attached to the link.The link relation.Class
<?> The type of entity that should receive links for this service.
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Element Details
-
value
Class<?> valueThe type of entity that should receive links for this service. Defaults to the request's body entity type, or the response entity type if they are not aCollection
or aResponse
.- Default:
java.lang.Void.class
-
entityClassName
String entityClassName- Default:
""
-
rel
String relThe link relation. This defaults as follows:- list
GET
forResourceFacade
entities or methods that return aCollection
- self
GET
for non-ResourceFacade
and non-Collection
entities
- remove
DELETE
- add
POST
- update
PUT
- Default:
""
-
pathParameters
String[] pathParametersList of path parameter EL from the leftmost URI path parameter to the rightmost. These can be normal constant string values or EL expressions (${foo.bar}) that will resolve using either the default EL context, or the context specified by a
@LinkELProvider
annotation. The default context resolves any non-qualified variable to properties of the response entity for whom we're discovering links, and has an extra binding for the "this" variable which is the response entity as well.If there are too many parameters for the current path, only the leftmost useful ones will be used.
Defaults to using discovery of values from the entity itself with
@ResourceID
,@ResourceIDs
, JAXB's @XmlID or JPA's @Id and@ParentResource
.This is not used for
ResourceFacade
entities, which provide their own list of path parameters.- Default:
{}
-
queryParameters
ParamBinding[] queryParametersList of query parameters which should be attached to the link.
- Default:
{}
-
matrixParameters
ParamBinding[] matrixParametersList of matrix parameters which should be attached to the link.
- Default:
{}
-
constraint
String constraintEL expression that should return a boolean indicating whether or not this service link should be used. This is useful for security constraints limiting access to resources. Defaults to using the
@RolesAllowed
annotation using the currentSecurityContext
to check the current user's permissions.This can be a normal constant boolean value ("true" or "false") or an EL expression (${foo.bar}) that will resolve using either the default EL context, or the context specified by a
@LinkELProvider
annotation.For entities that are not
ResourceFacade
, the default context resolves any non-qualified variable to properties of the response entity for whom we're discovering links, and has an extra binding for the "this" variable which is the response entity as well.For entities that are a
ResourceFacade
, the default context has single binding for the "this" variable which is theResourceFacade
's entity type (Class
instance).- Default:
""
-