Java tutorial
/* * This file is part of ConfigHub. * * ConfigHub is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * ConfigHub is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with ConfigHub.If not, see <http://www.gnu.org/licenses/>. */ package com.confighub.api.repository.user.editor; import com.confighub.api.repository.user.AUserAccessValidation; import com.confighub.api.util.GsonHelper; import com.confighub.core.error.ConfigException; import com.confighub.core.error.Error; import com.confighub.core.repository.CtxLevel; import com.confighub.core.repository.Property; import com.confighub.core.repository.PropertyKey; import com.confighub.core.resolver.Context; import com.confighub.core.rules.AccessRuleWrapper; import com.confighub.core.store.Store; import com.confighub.core.utils.ContextParser; import com.confighub.core.utils.DateTimeUtils; import com.confighub.core.utils.Utils; import com.google.gson.Gson; import com.google.gson.GsonBuilder; import com.google.gson.JsonArray; import com.google.gson.JsonObject; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import javax.ws.rs.*; import javax.ws.rs.core.MediaType; import javax.ws.rs.core.Response; import java.util.Collection; import java.util.Date; import java.util.Map; @Path("/editorResolver") public class EditorResolver extends AUserAccessValidation { private static final Logger log = LogManager.getFormatterLogger("EditorResolver"); @GET @Path("/{account}/{repository}") @Produces("application/json") public Response get(@PathParam("account") String account, @PathParam("repository") String repositoryName, @QueryParam("context") String contextString, @QueryParam("ts") Long ts, @QueryParam("allKeys") boolean allKeys, @QueryParam("tag") String tagLabel, @QueryParam("literal") boolean literal, @HeaderParam("Authorization") String token) { JsonObject json = new JsonObject(); Store store = new Store(); try { int status = validate(account, repositoryName, token, store); if (0 != status) return Response.status(status).build(); Date dateObj = DateTimeUtils.dateFromTsOrTag( Utils.isBlank(tagLabel) ? null : store.getTag(repository.getId(), tagLabel), ts, repository.getCreateDate()); Collection<CtxLevel> ctx = ContextParser.parseAndCreate(contextString, repository, store, user, dateObj, true); json.addProperty("canManageContext", repository.canUserManageContext(user)); Context context = new Context(store, repository, ctx, dateObj, allKeys); Map<PropertyKey, Collection<Property>> keyListMap; Long start = System.currentTimeMillis(); if (literal) keyListMap = context.literalContextResolver(); else keyListMap = context.resolve(); log.info("[%s] Editor resolved %d keys in %d/ms", null == user ? "guest" : user.getUsername(), keyListMap.size(), (System.currentTimeMillis() - start)); AccessRuleWrapper rulesWrapper = repository.getRulesWrapper(user); JsonArray config = new JsonArray(); keyListMap.forEach((k, v) -> { config.add(GsonHelper.keyAndPropertiesToGSON(repository, rulesWrapper, k, null, v)); }); json.add("config", config); } catch (ConfigException e) { log.error("Editor error: " + e.getMessage()); if (e.getErrorCode().equals(Error.Code.CONTEXT_SCOPE_MISMATCH)) json.addProperty("resetContext", true); json.addProperty("error", e.getMessage()); } finally { store.close(); } Gson gson = new GsonBuilder().serializeNulls().create(); return Response.ok(gson.toJson(json), MediaType.APPLICATION_JSON).build(); } }