org.jimsey.projects.turbine.condenser.service.TurbineService.java Source code

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Here is the source code for org.jimsey.projects.turbine.condenser.service.TurbineService.java

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/**
 * The MIT License
 * Copyright (c) 2015 the-james-burton
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.jimsey.projects.turbine.condenser.service;

import java.lang.invoke.MethodHandles;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

import javax.annotation.PostConstruct;

import org.jimsey.projects.turbine.condenser.domain.indicators.EnableTurbineIndicator;
import org.jimsey.projects.turbine.condenser.domain.strategies.EnableTurbineStrategy;
import org.jimsey.projects.turbine.fuel.domain.Stocks;
import org.reflections.Reflections;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;

@Service
public class TurbineService {

    private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());

    private static ObjectMapper json = new ObjectMapper();

    // @Autowired
    // @NotNull
    // private IndicatorRepository indicatorRepository;

    @PostConstruct
    public void init() {
        logger.info("TurbineService: initialised");
        logger.info("found indicators : {}", listIndicators().toString());
        logger.info("found strategies : {}", listStrategies().toString());
    }

    public List<Stocks> getStocks(String market) {
        return Arrays.stream(Stocks.values()).filter(stock -> stock.getMarket().equals(market))
                .collect(Collectors.toList());
    }

    public List<EnableTurbineStrategy> getStrategies() {
        Reflections reflections = new Reflections(EnableTurbineStrategy.class.getPackage().getName());
        Set<Class<?>> classes = reflections.getTypesAnnotatedWith(EnableTurbineStrategy.class);
        return classes.stream().map(c -> c.getDeclaredAnnotation(EnableTurbineStrategy.class))
                .collect(Collectors.toList());
    }

    public List<EnableTurbineIndicator> getIndicators() {
        Reflections reflections = new Reflections(EnableTurbineIndicator.class.getPackage().getName());
        Set<Class<?>> classes = reflections.getTypesAnnotatedWith(EnableTurbineIndicator.class);
        return classes.stream().map(c -> c.getDeclaredAnnotation(EnableTurbineIndicator.class))
                .collect(Collectors.toList());
    }

    public String listStocks(String market) {

        // TODO is there a better way to push the list into a json property?
        String result = null;
        try {
            result = json.writeValueAsString(new Object() {
                @JsonProperty("stocks")
                List<Stocks> stockz = getStocks(market);
            });
        } catch (JsonProcessingException e) {
            logger.error(e.getMessage(), e);
        }
        return result;
    }

    public String listStrategies() {
        String result = null;
        try {
            result = json.writeValueAsString(new Object() {
                @JsonProperty("strategies")
                List<EnableTurbineStrategy> strategiez = getStrategies();
            });
        } catch (JsonProcessingException e) {
            logger.error(e.getMessage(), e);
        }
        return result;
    }

    public String listIndicators() {
        String result = null;
        try {
            result = json.writeValueAsString(new Object() {
                @JsonProperty("indicators")
                List<EnableTurbineIndicator> indicatorz = getIndicators();
            });
        } catch (JsonProcessingException e) {
            logger.error(e.getMessage(), e);
        }
        return result;
    }

}