private void delete(String url) { HttpHeaders headers = new HttpHeaders(); headers.setAccept("text/turtle"); headers.setCookie(authCookie); try { HttpRequest deleteRequest = factory.buildDeleteRequest(new GenericUrl(url)) .setThrowExceptionOnExecuteError(false); deleteRequest.setHeaders(headers); validateResponse(deleteRequest.execute(), 200); logger.debug("Deleted: {}", url); } catch (IOException e) { throw new IllegalStateException("Couldn't delete: " + url, e); } }
/** * Parses the contents of a URL to produce an RDF model. */ public Model getModel(String url) throws IOException { HttpRequestFactory factory = TRANSPORT.createRequestFactory(); HttpRequest rootGetRequest = factory.buildGetRequest( new GenericUrl(url)); HttpHeaders headers = new HttpHeaders(); headers.setCookie(authCookie); headers.setAccept("text/turtle"); rootGetRequest.setHeaders(headers); HttpResponse response = rootGetRequest.execute(); if (response.getStatusCode() != 200) { throw new IOException("Unexpected return code: " + response.getStatusCode() + "\nMessage:\n" + response.getStatusMessage()); } StringWriter writer = new StringWriter(); IOUtils.copy(response.getContent(), writer, "UTF-8"); String fixedString = fixProblematicPeriods(writer.toString()); Model defaultModel = ModelFactory.createDefaultModel(); return defaultModel.read( new StringReader(fixedString), url, "TURTLE"); }
/** Posts an RDF model to a Solid server. **/ public String postContent( String url, String slug, String type, Model model) throws IOException { StringWriter stringWriter = new StringWriter(); model.write(stringWriter, "TURTLE"); HttpContent content = new ByteArrayContent("text/turtle", stringWriter.toString().getBytes()); HttpRequest postRequest = factory.buildPostRequest( new GenericUrl(url), content); HttpHeaders headers = new HttpHeaders(); headers.setCookie(authCookie); headers.set("Link", "<" + type + ">; rel=\"type\""); headers.set("Slug", slug); postRequest.setHeaders(headers); HttpResponse response = postRequest.execute(); validateResponse(response, 201); return response.getHeaders().getLocation(); }