| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 com.epam.datalab.backendapi.service.impl; |
| |
| import com.epam.datalab.backendapi.domain.MavenSearchArtifactResponse; |
| import com.epam.datalab.backendapi.resources.dto.LibraryDTO; |
| import com.epam.datalab.backendapi.service.ExternalLibraryService; |
| import com.epam.datalab.constants.ServiceConsts; |
| import com.epam.datalab.exceptions.ResourceNotFoundException; |
| import com.epam.datalab.rest.client.RESTService; |
| import com.google.inject.Singleton; |
| import com.google.inject.name.Named; |
| import lombok.extern.slf4j.Slf4j; |
| |
| import javax.inject.Inject; |
| import java.net.URI; |
| |
| import static java.lang.String.join; |
| |
| @Singleton |
| @Slf4j |
| public class MavenCentralLibraryService implements ExternalLibraryService { |
| |
| private static final String QUOTE_ENCODED = "%22"; |
| private static final String SEARCH_API_QUERY_FORMAT = "/solrsearch/select?q=%s&rows=20&wt=json&core=gav&p=jar"; |
| private static final String LIB_NOT_FOUND_MSG = "No matches found"; |
| private final RESTService restClient; |
| |
| @Inject |
| public MavenCentralLibraryService(@Named(ServiceConsts.MAVEN_SEARCH_API) RESTService restClient) { |
| this.restClient = restClient; |
| } |
| |
| @Override |
| public LibraryDTO getLibrary(String groupId, String artifactId, String version) { |
| return getMavenLibrary(groupId, artifactId, version); |
| |
| } |
| |
| private LibraryDTO getMavenLibrary(String groupId, String artifactId, String version) { |
| final String query = and(artifactQuery(artifactId), groupQuery(groupId), versionQuery(version), jarOrBundlePackage()); |
| return restClient.get(URI.create(String.format(SEARCH_API_QUERY_FORMAT, query)), |
| MavenSearchArtifactResponse.class) |
| .getArtifacts() |
| .stream() |
| .findFirst() |
| .map(artifact -> new LibraryDTO(join(":", groupId, artifactId), version)) |
| .orElseThrow(() -> new ResourceNotFoundException(LIB_NOT_FOUND_MSG)); |
| } |
| |
| private String groupQuery(String groupId) { |
| return "g:" + QUOTE_ENCODED + groupId + QUOTE_ENCODED; |
| } |
| |
| private String artifactQuery(String artifactId) { |
| return "a:" + QUOTE_ENCODED + artifactId + QUOTE_ENCODED; |
| } |
| |
| private String versionQuery(String version) { |
| return "v:" + QUOTE_ENCODED + version + QUOTE_ENCODED; |
| } |
| |
| private String jarOrBundlePackage() { |
| return "(p:" + QUOTE_ENCODED + "jar" + QUOTE_ENCODED + "%20OR%20p:" + QUOTE_ENCODED + "bundle" + QUOTE_ENCODED + ")"; |
| } |
| |
| private String and(String... strings) { |
| return join("+AND+", strings); |
| } |
| |
| } |