Examples of org.apache.marmotta.ldclient.api.endpoint.Endpoint

Package org.apache.marmotta.ldclient.api.endpoint

Examples of org.apache.marmotta.ldclient.api.endpoint.Endpoint

org.apache.marmotta.ldclient.api.endpoint.Endpoint
Definition of a Linked Data Endpoint. Contains information how to query the endpoint, what format to expect, and when to expire data from this endpoint.
- LinkedDataProvider endpoints will be accessed by directly retrieving the URI with appropriate Accept headers following the Linked Data recommendations
- CacheProvider endpoints will be accessed by passing the URI as request parameter to the cache and parsing the response according to the content type defined for this endpoint (Content-Type header is too unspecific)
- SPARQLProvider endpoints will be accessed by issuing a query of SELECT ?p ?o WHERE { {url} ?p ?o } to retrieve all triples for the requested resource
- NONE act as blacklist. Resources matching handled by this endpoint are not fetched.
Note: this class has a natural ordering that is inconsistent with equals.
User: sschaffe

    public ClientResponse retrieveResource(String resource) throws DataRetrievalException {
        try {
            retrievalSemaphore.acquire();
            if(!config.isExcludedUri(resource)) {


                Endpoint endpoint = getEndpoint(resource);


                if(endpoint != null) {
                    DataProvider provider = getDataProvider(endpoint);
                    if(provider != null) {
                        return provider.retrieveResource(resource, this, endpoint);
                    } else {
                        log.error("no service provider for type {}",endpoint.getType());
                    }
                } else {
                    // TODO: the fallback should at least be a Linked Data handler, so maybe we should merge the ldclient-provider-rdf?
                    // TODO: determine service provider from connection handshaking / MIME type
                    throw new UnsupportedOperationException("not implemented: determine service provider from connection handshaking / MIME type");

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        );
    }




    private Endpoint getEndpointByLabel(String label) {
        Endpoint endpoint = new Endpoint();


        endpoint.setName(configurationService.getStringConfiguration("ldcache.endpoint."+label+".name"));
        endpoint.setPriority(configurationService.getIntConfiguration("ldcache.endpoint." + label + ".prio"));
        endpoint.setType(configurationService.getStringConfiguration("ldcache.endpoint." + label + ".provider"));
        endpoint.setUriPattern(configurationService.getStringConfiguration("ldcache.endpoint." + label + ".pattern"));
        endpoint.setEndpointUrl(configurationService.getStringConfiguration("ldcache.endpoint." + label + ".service"));
        endpoint.setDefaultExpiry(configurationService.getLongConfiguration("ldcache.endpoint." + label + ".expiry"));
        endpoint.setActive(configurationService.getBooleanConfiguration("ldcache.endpoint." + label + ".active"));
        endpoint.setContentTypes(new HashSet<ContentType>(
                LMFHttpUtils.parseAcceptHeader(
                        configurationService.getStringConfiguration("ldcache.endpoint." + label + ".contenttype",""))
        ));


        return endpoint;

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                endpointUrl = "";
            }
            if (mimetype == null) {
                mimetype ="";
            }
            Endpoint endpoint = new Endpoint(name, type, prefix, endpointUrl, mimetype, expiry);
            endpointService.addEndpoint(endpoint);


            cacheSailProvider.updateEndpoints();

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    @GET
    @Path("/endpoint/{id}")
    @Produces("application/json")
    public Response retrieveEndpoint(@PathParam("id") String id) {


        Endpoint endpoint = endpointService.getEndpoint(id);
        if (endpoint == null) return notFound(id);




        return Response.ok().entity(buildEndpointJSON(endpoint, false)).build();
    }

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    @DELETE
    @Path("/endpoint/{id}")
    public Response removeEndpoint(@PathParam("id") String id) {


        Endpoint endpoint = endpointService.getEndpoint(id);
        if (endpoint == null) return notFound(id);


        endpointService.removeEndpoint(endpoint);


        cacheSailProvider.updateEndpoints();

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    }


    @POST
    @Path("/endpoint/{id}/enable")
    public Response enableEndpoint(@PathParam("id") String id, @QueryParam("enable") @DefaultValue("true") boolean enable) {
        Endpoint endpoint = endpointService.getEndpoint(id);
        if (endpoint == null) return notFound(id);


        endpoint.setActive(enable);
        endpointService.updateEndpoint(endpoint);


        cacheSailProvider.updateEndpoints();


        return Response.ok().build();

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        );
    }




    private Endpoint getEndpointByLabel(String label) {
        Endpoint endpoint = new Endpoint();


        endpoint.setName(configurationService.getStringConfiguration("ldcache.endpoint."+label+".name"));
        endpoint.setPriority(configurationService.getIntConfiguration("ldcache.endpoint." + label + ".prio"));
        endpoint.setType(configurationService.getStringConfiguration("ldcache.endpoint." + label + ".provider"));
        endpoint.setUriPattern(configurationService.getStringConfiguration("ldcache.endpoint." + label + ".pattern"));
        endpoint.setEndpointUrl(configurationService.getStringConfiguration("ldcache.endpoint." + label + ".service"));
        endpoint.setDefaultExpiry(configurationService.getLongConfiguration("ldcache.endpoint." + label + ".expiry"));
        endpoint.setActive(configurationService.getBooleanConfiguration("ldcache.endpoint." + label + ".active"));
        endpoint.setContentTypes(new HashSet<ContentType>(
                MarmottaHttpUtils.parseAcceptHeader(
                        configurationService.getStringConfiguration("ldcache.endpoint." + label + ".contenttype",""))
        ));


        return endpoint;

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                endpointUrl = "";
            }
            if (mimetype == null) {
                mimetype ="";
            }
            Endpoint endpoint = new Endpoint(name, type, prefix, endpointUrl, mimetype, expiry);
            endpointService.addEndpoint(endpoint);


            cacheSailProvider.updateEndpoints();

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    @GET
    @Path("/endpoint/{id}")
    @Produces("application/json")
    public Response retrieveEndpoint(@PathParam("id") String id) {


        Endpoint endpoint = endpointService.getEndpoint(id);
        if (endpoint == null) return notFound(id);




        return Response.ok().entity(buildEndpointJSON(endpoint, false)).build();
    }

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    @DELETE
    @Path("/endpoint/{id}")
    public Response removeEndpoint(@PathParam("id") String id) {


        Endpoint endpoint = endpointService.getEndpoint(id);
        if (endpoint == null) return notFound(id);


        endpointService.removeEndpoint(endpoint);


        cacheSailProvider.updateEndpoints();

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org.apache.marmotta.platform.ldcache.services.endpoint.LinkedDataEndpointServiceImpl

org.apache.marmotta.platform.ldcache.webservices.LinkedDataCachingWebService

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