Java tutorial
/** * Copyright 2015 LinkedIn Corp. All rights reserved. * * 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. */ package controllers.api.v1; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.node.ObjectNode; import dao.SearchDAO; import models.DatasetColumn; import play.Play; import play.api.libs.json.JsValue; import play.libs.Json; import play.mvc.Controller; import play.mvc.Result; import play.Logger; import org.apache.commons.lang3.StringUtils; import dao.DatasetsDAO; import java.util.List; public class Search extends Controller { public static Result getSearchAutoComplete() { ObjectNode result = Json.newObject(); result.put("status", "ok"); result.set("source", Json.toJson(SearchDAO.getAutoCompleteList())); return ok(result); } public static Result searchByKeyword() { ObjectNode result = Json.newObject(); int page = 1; int size = 10; String keyword = request().getQueryString("keyword"); String category = request().getQueryString("category"); String source = request().getQueryString("source"); String pageStr = request().getQueryString("page"); if (StringUtils.isBlank(pageStr)) { page = 1; } else { try { page = Integer.parseInt(pageStr); } catch (NumberFormatException e) { Logger.error("Dataset Controller searchByKeyword wrong page parameter. Error message: " + e.getMessage()); page = 1; } } String sizeStr = request().getQueryString("size"); if (StringUtils.isBlank(sizeStr)) { size = 10; } else { try { size = Integer.parseInt(sizeStr); } catch (NumberFormatException e) { Logger.error("Dataset Controller searchByKeyword wrong page parameter. Error message: " + e.getMessage()); size = 10; } } result.put("status", "ok"); Boolean isDefault = false; if (StringUtils.isBlank(category)) { category = "datasets"; } if (StringUtils.isBlank(source) || source.equalsIgnoreCase("all") || source.equalsIgnoreCase("default")) { source = null; } String searchEngine = Play.application().configuration().getString(SearchDAO.WHEREHOWS_SEARCH_ENGINE__KEY); if (category.toLowerCase().equalsIgnoreCase("metric")) { if (StringUtils.isNotBlank(searchEngine) && searchEngine.equalsIgnoreCase("elasticsearch")) { result.set("result", SearchDAO.elasticSearchMetricByKeyword(category, keyword, page, size)); } else { result.set("result", SearchDAO.getPagedMetricByKeyword(category, keyword, page, size)); } } else if (category.toLowerCase().equalsIgnoreCase("flows")) { if (StringUtils.isNotBlank(searchEngine) && searchEngine.equalsIgnoreCase("elasticsearch")) { result.set("result", SearchDAO.elasticSearchFlowByKeyword(category, keyword, page, size)); } else { result.set("result", SearchDAO.getPagedFlowByKeyword(category, keyword, page, size)); } } else if (category.toLowerCase().equalsIgnoreCase("jobs")) { if (StringUtils.isNotBlank(searchEngine) && searchEngine.equalsIgnoreCase("elasticsearch")) { result.set("result", SearchDAO.elasticSearchFlowByKeyword(category, keyword, page, size)); } else { result.set("result", SearchDAO.getPagedJobByKeyword(category, keyword, page, size)); } } else if (category.toLowerCase().equalsIgnoreCase("comments")) { if (StringUtils.isNotBlank(searchEngine) && searchEngine.equalsIgnoreCase("elasticsearch")) { result.set("result", SearchDAO.elasticSearchDatasetByKeyword(category, keyword, null, page, size)); } else { result.set("result", SearchDAO.getPagedCommentsByKeyword(category, keyword, page, size)); } } else { if (StringUtils.isNotBlank(searchEngine) && searchEngine.equalsIgnoreCase("elasticsearch")) { result.set("result", SearchDAO.elasticSearchDatasetByKeyword(category, keyword, source, page, size)); } else { result.set("result", SearchDAO.getPagedDatasetByKeyword(category, keyword, source, page, size)); } } return ok(result); } }