kr.ac.cau.mecs.cass.processor.CASSensorProcessor.java Source code

Introduction

Here is the source code for kr.ac.cau.mecs.cass.processor.CASSensorProcessor.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

package kr.ac.cau.mecs.cass.processor;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import kr.ac.cau.mecs.cas.service.entity.SensorEntity;
import kr.ac.cau.mecs.cass.cae.ActionScoreEntity;
import kr.ac.cau.mecs.cass.cae.CAECalculator;
import kr.ac.cau.mecs.cass.endpoint.SignalProcessor;
import kr.ac.cau.mecs.cass.entity.DBActionEntity;
import kr.ac.cau.mecs.cass.entity.DBCAUEntity;
import kr.ac.cau.mecs.cass.signal.Action;
import kr.ac.cau.mecs.cass.signal.Payload;
import kr.ac.cau.mecs.cass.signal.Signal;
import kr.ac.cau.mecs.cass.signal.payload.JSONObjectPayload;
import kr.ac.cau.mecs.cass.signal.payload.StringPayload;
import org.json.JSONArray;
import org.json.JSONObject;

/**
 *
 * @author Administrator
 */
public class CASSensorProcessor extends SignalProcessor {
    @Override
    public boolean canProcess(Signal signal) {
        if (signal.getAction() != null && signal.getAction().getAid() == Action.ACT_SENSOR
                && signal.getAction().getCid() == 0x1) {
            return true;
        }
        return false;
    }

    @Override
    public Signal process(Signal signal) {
        Signal resignal = new Signal();

        resignal.setReceiver(signal.getSender());
        resignal.setSender("CASS");
        resignal.setAction(new Action(Action.ACT_SENSOR));

        CAECalculator calc = new CAECalculator();

        if (currentUser != null) {
            JSONObject _jobj = (JSONObject) signal.getPayload().getPayload().getData();

            JSONArray jsensors = _jobj.optJSONArray("sensors");

            List<SensorEntity> sensors = new ArrayList<>();

            for (int i = 0; i < jsensors.length(); i++) {
                sensors.add(SensorEntity.fromJSONObject(jsensors.getJSONObject(i)));
            }

            List<ActionScoreEntity> scores = new ArrayList<>();
            for (DBCAUEntity cau : currentUser.getCaus()) {
                for (DBActionEntity action : cau.getActions()) {
                    scores.add(calc.calculateActionScore(cau, action, sensors));
                }
            }

            Collections.sort(scores);
            Collections.reverse(scores);//decending order...

            JSONObject jobj = new JSONObject();
            JSONArray jarr = new JSONArray();

            for (ActionScoreEntity score : scores) {
                jarr.put(score.toJSONObject());
            }
            jobj.put("scores", jarr);

            resignal.setPayload(new Payload(new JSONObjectPayload(jobj)));

        } else {
            setGenericMessage(resignal, "invalid credential");
        }

        return resignal;
    }

}