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93 lines
3.0 KiB
Java
93 lines
3.0 KiB
Java
/**
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* Copyright 2015 LinkedIn Corp. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*/
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package controllers;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.node.ObjectNode;
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import java.sql.SQLException;
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import java.util.Map;
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import models.daos.DatasetDao;
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import models.utils.Urn;
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import org.springframework.dao.EmptyResultDataAccessException;
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import play.libs.Json;
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import play.mvc.BodyParser;
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import play.mvc.Controller;
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import play.mvc.Result;
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/**
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* Created by zechen on 10/12/15.
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*/
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public class DatasetController extends Controller {
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public static Result getDatasetInfo() throws SQLException {
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ObjectNode resultJson = Json.newObject();
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String datasetIdString = request().getQueryString("datasetId");
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if(datasetIdString != null) {
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int datasetId = Integer.valueOf(datasetIdString);
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try {
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Map<String, Object> dataset = DatasetDao.getDatasetById(datasetId);
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resultJson.put("return_code", 200);
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resultJson.set("dataset", Json.toJson(dataset));
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} catch (EmptyResultDataAccessException e) {
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e.printStackTrace();
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resultJson.put("return_code", 404);
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resultJson.put("error_message", "dataset can not find!");
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}
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return ok(resultJson);
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}
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String urn = request().getQueryString("urn");
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if(urn != null) {
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if(!Urn.validateUrn(urn)) {
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resultJson.put("return_code", 400);
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resultJson.put("error_message", "Urn format wrong!");
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return ok(resultJson);
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}
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try {
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Map<String, Object> dataset = DatasetDao.getDatasetByUrn(urn);
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resultJson.put("return_code", 200);
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resultJson.set("dataset", Json.toJson(dataset));
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} catch (EmptyResultDataAccessException e) {
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e.printStackTrace();
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resultJson.put("return_code", 404);
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resultJson.put("error_message", "dataset can not find!");
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}
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return ok(resultJson);
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}
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// if no parameter, return an error message
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resultJson.put("return_code", 400);
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resultJson.put("error_message", "No parameter provided");
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return ok(resultJson);
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}
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@BodyParser.Of(BodyParser.Json.class)
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public static Result addDataset() {
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JsonNode dataset = request().body().asJson();
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ObjectNode resultJson = Json.newObject();
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try {
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DatasetDao.insertDataset(dataset);
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resultJson.put("return_code", 200);
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resultJson.put("message", "Dataset inserted!");
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} catch (Exception e) {
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e.printStackTrace();
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resultJson.put("return_code", 404);
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resultJson.put("error_message", e.getMessage());
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}
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return ok(resultJson);
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}
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}
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