DepositoryMeasurementsServer.java

/**
 * DepositoryMeasurementsServer.java This file is part of WattDepot.
 *
 * Copyright (C) 2013  Cam Moore
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.wattdepot.server.http.api;

import java.text.ParseException;
import java.util.Date;
import java.util.logging.Level;

import javax.xml.datatype.DatatypeConfigurationException;

import org.restlet.data.Status;
import org.restlet.resource.ResourceException;
import org.wattdepot.common.domainmodel.Depository;
import org.wattdepot.common.domainmodel.Labels;
import org.wattdepot.common.domainmodel.Measurement;
import org.wattdepot.common.domainmodel.MeasurementList;
import org.wattdepot.common.domainmodel.Sensor;
import org.wattdepot.common.domainmodel.SensorGroup;
import org.wattdepot.common.exception.IdNotFoundException;
import org.wattdepot.common.exception.MisMatchedOwnerException;
import org.wattdepot.common.util.DateConvert;

/**
 * DepositoryMeasurementsServer - Base class for handling the Depository
 * measurements HTTP API
 * ("/wattdepot/{org-id}/depository/{depository-id}/measurements/").
 * 
 * @author Cam Moore Yongwen Xu
 * 
 */
public class DepositoryMeasurementsServer extends WattDepotServerResource {
  private String depositoryId;
  private String sensorId;
  private String start;
  private String end;

  /*
   * (non-Javadoc)
   * 
   * @see org.restlet.resource.Resource#doInit()
   */
  @Override
  protected void doInit() throws ResourceException {
    super.doInit();
    this.sensorId = getQuery().getValues(Labels.SENSOR);
    this.start = getQuery().getValues(Labels.START);
    this.end = getQuery().getValues(Labels.END);
    this.depositoryId = getAttribute(Labels.DEPOSITORY_ID);
  }

  /**
   * retrieve the depository measurement list for a sensor.
   * 
   * @return measurement list.
   */
  public MeasurementList doRetrieve() {
    getLogger().log(
        Level.INFO,
        "GET /wattdepot/{" + orgId + "}/depository/{" + depositoryId + "}/measurements/?sensor={"
            + sensorId + "}&start={" + start + "}&end={" + end + "}");
    if (isInRole(orgId)) {
      if (start != null && end != null) {
        MeasurementList ret = new MeasurementList();
        try {
          Depository depository = depot.getDepository(depositoryId, orgId, true);
          if (depository != null) {
            Date startDate = DateConvert.parseCalStringToDate(start);
            Date endDate = DateConvert.parseCalStringToDate(end);
            if (startDate != null && endDate != null) {
              try {
                Sensor sensor = depot.getSensor(sensorId, orgId, true);
                for (Measurement meas : depot.getMeasurements(depositoryId, orgId, sensor.getId(),
                    startDate, endDate, true)) {
                  ret.getMeasurements().add(meas);
                }
              }
              catch (IdNotFoundException nf) {
                try {
                  SensorGroup group = depot.getSensorGroup(sensorId, orgId, true);
                  for (String s : group.getSensors()) {
                    Sensor sensor = depot.getSensor(s, orgId, true);
                    for (Measurement meas : depot.getMeasurements(depositoryId, orgId,
                        sensor.getId(), startDate, endDate, true)) {
                      ret.getMeasurements().add(meas);
                    }
                  }
                }
                catch (IdNotFoundException nf1) {
                  setStatus(Status.CLIENT_ERROR_BAD_REQUEST, sensorId + " is not defined");
                }
              }
            }
            else {
              setStatus(Status.CLIENT_ERROR_BAD_REQUEST, "Start date and/or end date missing.");
            }
          }
          else {
            setStatus(Status.CLIENT_ERROR_BAD_REQUEST, depositoryId + " is not defined.");
          }
        }
        catch (IdNotFoundException e) {
          setStatus(Status.CLIENT_ERROR_BAD_REQUEST, e.getMessage());
        }
        catch (ParseException e) {
          setStatus(Status.CLIENT_ERROR_BAD_REQUEST, e.getMessage());
        }
        catch (DatatypeConfigurationException e) {
          setStatus(Status.SERVER_ERROR_INTERNAL, e.getMessage());
        }
        catch (MisMatchedOwnerException e) {
          setStatus(Status.CLIENT_ERROR_BAD_REQUEST, e.getMessage());
        }
        getLogger().info(ret.toString());
        return ret;
      }
      else {
        setStatus(Status.CLIENT_ERROR_BAD_REQUEST, "Missing start and/or end times.");
        return null;
      }
    }
    else {
      setStatus(Status.CLIENT_ERROR_BAD_REQUEST, "Bad credentials.");
      return null;
    }
  }
}