Java tutorial
/* * Copyright 2012-2017 the original author or authors. * * 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 io.spring.initializr.web.mapper; import java.util.LinkedHashMap; import java.util.Map; import java.util.stream.Collectors; import io.spring.initializr.metadata.BillOfMaterials; import io.spring.initializr.metadata.Dependency; import io.spring.initializr.metadata.DependencyMetadata; import io.spring.initializr.metadata.Repository; import org.json.JSONObject; /** * A {@link DependencyMetadataJsonMapper} handling the metadata format for v2.1. * * @author Stephane Nicoll */ public class DependencyMetadataV21JsonMapper implements DependencyMetadataJsonMapper { @Override public String write(DependencyMetadata metadata) { JSONObject json = new JSONObject(); json.put("bootVersion", metadata.getBootVersion().toString()); json.put("dependencies", metadata.getDependencies().entrySet().stream() .collect(Collectors.toMap(Map.Entry::getKey, entry -> mapDependency(entry.getValue())))); json.put("repositories", metadata.getRepositories().entrySet().stream() .collect(Collectors.toMap(Map.Entry::getKey, entry -> mapRepository(entry.getValue())))); json.put("boms", metadata.getBoms().entrySet().stream() .collect(Collectors.toMap(Map.Entry::getKey, entry -> mapBom(entry.getValue())))); return json.toString(); } private static Map<String, Object> mapDependency(Dependency dep) { Map<String, Object> result = new LinkedHashMap<>(); result.put("groupId", dep.getGroupId()); result.put("artifactId", dep.getArtifactId()); if (dep.getVersion() != null) { result.put("version", dep.getVersion()); } result.put("scope", dep.getScope()); if (dep.getBom() != null) { result.put("bom", dep.getBom()); } if (dep.getRepository() != null) { result.put("repository", dep.getRepository()); } return result; } private static Map<String, Object> mapRepository(Repository repo) { Map<String, Object> result = new LinkedHashMap<>(); result.put("name", repo.getName()); result.put("url", repo.getUrl()); result.put("snapshotEnabled", repo.isSnapshotsEnabled()); return result; } private static Map<String, Object> mapBom(BillOfMaterials bom) { Map<String, Object> result = new LinkedHashMap<>(); result.put("groupId", bom.getGroupId()); result.put("artifactId", bom.getArtifactId()); if (bom.getVersion() != null) { result.put("version", bom.getVersion()); } if (bom.getRepositories() != null) { result.put("repositories", bom.getRepositories()); } return result; } }