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Difference between revisions of "Lyo/OSLC4JAnnotations"
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To create the ServiceProvider, call org.eclipse.lyo.oslc4j.core.model.ServiceProviderFactory.createServiceProvider(). You might need to set a few properties manually, such as the details URI and prefix definitions. | To create the ServiceProvider, call org.eclipse.lyo.oslc4j.core.model.ServiceProviderFactory.createServiceProvider(). You might need to set a few properties manually, such as the details URI and prefix definitions. | ||
Revision as of 19:01, 7 March 2014
OSLC4J will generate an OSLC service description document for you if you've properly annotated your code. You should have an @OslcService annotation on every JAX-RS resource you want to use with OSLC4J, even if you only have one service description document.
Query Capabilities and Creation Factories
To use @OslcQueryCapability and @OslcCreationFactory, simply add those annotations to the @GET and @POST methods for each resource that handles those requests. The URIs are added to the service description document calculated from the JAX-RS @Path annotation.
Here is an example @OslcQueryCapability:
@OslcQueryCapability
(
title = "Change Request Query Capability",
label = "Change Request Catalog Query",
resourceShape = OslcConstants.PATH_RESOURCE_SHAPES + "/" + Constants.PATH_CHANGE_REQUEST,
resourceTypes = {Constants.TYPE_CHANGE_REQUEST},
usages = {OslcConstants.OSLC_USAGE_DEFAULT}
)
@GET
@Produces({OslcMediaType.APPLICATION_RDF_XML, OslcMediaType.APPLICATION_XML,
OslcMediaType.APPLICATION_JSON, OslcMediaType.TEXT_TURTLE})
public ChangeRequest[] getChangeRequests(@QueryParam("oslc.where") final String where)
{
// ... implementation here ...
}
Here is an example @OslcCreationFactory:
@OslcCreationFactory
(
title = "Change Request Creation Factory",
label = "Change Request Creation",
resourceShapes = {OslcConstants.PATH_RESOURCE_SHAPES + "/" + Constants.PATH_CHANGE_REQUEST},
resourceTypes = {Constants.TYPE_CHANGE_REQUEST},
usages = {OslcConstants.OSLC_USAGE_DEFAULT}
)
@POST
@Consumes({OslcMediaType.APPLICATION_RDF_XML, OslcMediaType.APPLICATION_XML,
OslcMediaType.APPLICATION_JSON, OslcMediaType.TEXT_TURTLE})
@Produces({OslcMediaType.APPLICATION_RDF_XML, OslcMediaType.APPLICATION_XML,
OslcMediaType.APPLICATION_JSON, OslcMediaType.TEXT_TURTLE})
public Response addChangeRequest(ChangeRequest changeRequest)
{
// ... implementation here ...
}
Dialogs
- For selection dialogs, the @OslcDialogs or @OslcDialog annotation has to be on a @GET method, usually the query capability.
- For creation dialogs, the annotation has to be on an @POST method, usually the creation factory.
The @OslcDialog "uri" determines the URI for the dialog, and you can use path parameters. For instance, the Bugzilla adapter has this selection dialog:
@OslcDialog
(
title = "Change Request Selection Dialog",
label = "Change Request Selection Dialog",
uri = "/{productId}/changeRequests/selector",
hintWidth = "525px",
hintHeight = "325px",
resourceTypes = {Constants.TYPE_CHANGE_REQUEST},
usages = {OslcConstants.OSLC_USAGE_DEFAULT}
)
Creating the ServiceProvider
To create the ServiceProvider, call org.eclipse.lyo.oslc4j.core.model.ServiceProviderFactory.createServiceProvider(). You might need to set a few properties manually, such as the details URI and prefix definitions.