Java tutorial
/* * Copyright 2015 EMBL - European Bioinformatics Institute * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package uk.ac.ebi.eva.vcfdump.cellbasewsclient; import org.opencb.datastore.core.QueryResponse; import org.opencb.datastore.core.QueryResult; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.core.ParameterizedTypeReference; import org.springframework.http.HttpMethod; import org.springframework.http.ResponseEntity; import org.springframework.web.client.RestTemplate; import java.net.URISyntaxException; import java.util.Set; /** * This class encapsulates CellBaseClient adding some operations to its API */ public class CellbaseWSClient { private final String species; private final String cellbaseRestURL; private final String cellbaseRestVersion; private static final Logger logger = LoggerFactory.getLogger(CellbaseWSClient.class); public CellbaseWSClient(String species, String cellbaseRestURL, String cellbaseRestVersion) throws URISyntaxException { this.species = species.split("_")[0]; this.cellbaseRestURL = cellbaseRestURL; this.cellbaseRestVersion = cellbaseRestVersion; } public Set<String> getChromosomes() { try { // call cellbase chromosomes WS RestTemplate restTemplate = new RestTemplate(); ParameterizedTypeReference<QueryResponse<QueryResult<CellbaseChromosomesWSOutput>>> responseType = new ParameterizedTypeReference<QueryResponse<QueryResult<CellbaseChromosomesWSOutput>>>() { }; String cellbaseGetChromosomesUrl = cellbaseRestURL + "/" + cellbaseRestVersion + "/" + species + "/genomic/chromosome/all"; logger.debug("Getting chromosomes list from {} ...", cellbaseGetChromosomesUrl); ResponseEntity<QueryResponse<QueryResult<CellbaseChromosomesWSOutput>>> wsOutput = restTemplate .exchange(cellbaseGetChromosomesUrl, HttpMethod.GET, null, responseType); // parse WS output and return all chromosome names QueryResponse<QueryResult<CellbaseChromosomesWSOutput>> response = wsOutput.getBody(); QueryResult<CellbaseChromosomesWSOutput> result = response.getResponse().get(0); CellbaseChromosomesWSOutput results = result.getResult().get(0); return results.getAllChromosomeNames(); } catch (Exception e) { logger.debug("Error retrieving list of chromosomes: {}", e.getMessage()); throw new RuntimeException("Error retrieving list of chromosomes", e); } } public String getVersion() { return cellbaseRestVersion; } }