controllers.DatasetController.java Source code

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Here is the source code for controllers.DatasetController.java

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/*
 * 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 controllers;

import com.fasterxml.jackson.databind.node.ObjectNode;
import models.DataSet;
import play.data.Form;
import play.libs.Json;
import play.mvc.Controller;
import play.mvc.Result;
import util.APICall;
import util.APICall.ResponseType;
import views.html.climate.*;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;

public class DatasetController extends Controller {
    final static Form<DataSet> dataSetForm = Form.form(DataSet.class);

    public static Result datasetList() {
        return ok(dataSetList.render(DataSet.all(), dataSetForm));
    }

    public static Result searchDataset() {
        return ok(searchDataSet.render(dataSetForm));
    }

    public static Result getSearchResult() {
        Form<DataSet> dc = dataSetForm.bindFromRequest();
        ObjectNode jsonData = Json.newObject();
        String dataSetName = "";
        String agency = "";
        String instrument = "";
        String physicalVariable = "";
        String gridDimension = "";
        String startTime = "";
        String endTime = "";
        Date dataSetStartTime = new Date(0), dataSetEndTime = new Date();

        try {
            dataSetName = dc.field("Dataset Name").value();
            agency = dc.field("Agency").value();
            instrument = dc.field("Instrument").value();
            physicalVariable = dc.field("Physical Variable").value();
            gridDimension = dc.field("Grid Dimension").value();
            startTime = dc.field("Dataset Start Time").value();
            endTime = dc.field("Dataset End Time").value();
            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMM");

            if (!startTime.isEmpty()) {
                try {
                    dataSetStartTime = simpleDateFormat.parse(startTime);
                    Date min = new Date(0);
                    Date max = new Date();
                    if (dataSetStartTime.before(min)) {
                        dataSetStartTime = min;
                    } else if (dataSetStartTime.after(max)) {
                        dataSetStartTime = max;
                    }
                } catch (ParseException e) {
                    System.out.println("Wrong Date Format :" + startTime);
                    return badRequest("Wrong Date Format :" + startTime);
                }
            }

            if (!endTime.isEmpty()) {
                try {
                    dataSetEndTime = simpleDateFormat.parse(endTime);
                    Date min = new Date(0);
                    Date max = new Date();
                    if (dataSetEndTime.before(min)) {
                        dataSetEndTime = min;
                    } else if (dataSetEndTime.after(max)) {
                        dataSetEndTime = max;
                    }
                } catch (ParseException e) {
                    System.out.println("Wrong Date Format :" + endTime);
                    return badRequest("Wrong Date Format :" + endTime);
                }
            }
        } catch (IllegalStateException e) {
            e.printStackTrace();
            Application.flashMsg(APICall.createResponse(ResponseType.CONVERSIONERROR));
        } catch (Exception e) {
            e.printStackTrace();
            Application.flashMsg(APICall.createResponse(ResponseType.UNKNOWN));
        }
        List<DataSet> response = DataSet.queryDataSet(dataSetName, agency, instrument, physicalVariable,
                gridDimension, dataSetStartTime, dataSetEndTime);
        return ok(dataSetList.render(response, dataSetForm));
    }
}