com.googlecode.phisix.api.resource.StocksResource.java Source code

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Here is the source code for com.googlecode.phisix.api.resource.StocksResource.java

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/**
 * Copyright 2012 the original author or authors
 *
 * Licensed 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 com.googlecode.phisix.api.resource;

import static com.google.appengine.api.taskqueue.TaskOptions.Builder.*;

import java.text.ParseException;
import java.util.Date;
import java.util.TimeZone;

import javax.ws.rs.BadRequestException;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.GET;
import javax.ws.rs.HeaderParam;
import javax.ws.rs.NotFoundException;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;

import org.apache.commons.lang3.time.DateParser;
import org.apache.commons.lang3.time.FastDateFormat;

import com.google.appengine.api.taskqueue.QueueFactory;
import com.googlecode.phisix.api.model.Stock;
import com.googlecode.phisix.api.model.Stocks;
import com.googlecode.phisix.api.repository.StocksRepository;
import com.googlecode.phisix.api.repository.StocksRepositoryImpl;

/**
 * * Handles:
 * <ul>
 * <li>GET /stocks.xml</li>
 * <li>GET /stocks.json</li>
 * <li>GET /stocks/{symbol}.xml</li>
 * <li>GET /stocks/{symbol}.json</li>
 * <li>GET /stocks/{symbol}.{yyyy-MM-dd}.xml</li>
 * <li>GET /stocks/{symbol}.{yyyy-MM-dd}.json</li>
 * </ul>
 * 
 * @author Edge Dalmacio
 * 
 */
@Path(value = "/stocks")
public class StocksResource {

    private static final DateParser dateParser = FastDateFormat.getInstance("yyyy-MM-dd",
            TimeZone.getTimeZone("GMT+8"));
    private final StocksRepository stocksRepository;

    public StocksResource() throws Exception {
        this(new StocksRepositoryImpl());
    }

    public StocksResource(StocksRepository stocksRepository) {
        this.stocksRepository = stocksRepository;
    }

    @GET
    @Path(value = "/")
    public Stocks getAllStocks() {
        return stocksRepository.findAll();
    }

    @GET
    @Path(value = "/{symbol}")
    public Stocks getStock(@PathParam(value = "symbol") String symbol) {
        Stocks allStocks = getAllStocks();
        for (Stock stock : allStocks.getStocks()) {
            if (symbol.equalsIgnoreCase(stock.getSymbol())) {
                Stocks stocks = new Stocks();
                stocks.getStocks().add(stock);
                stocks.setAsOf(allStocks.getAsOf());
                return stocks;
            }
        }
        throw new NotFoundException();
    }

    @GET
    @Path(value = "/{symbol}.{date}")
    public Stocks getStockByDate(@PathParam(value = "symbol") String symbol,
            @PathParam(value = "date") String date) {
        Date tradingDate;
        try {
            tradingDate = dateParser.parse(date);
        } catch (ParseException e) {
            throw new BadRequestException(e.getMessage());
        }
        return stocksRepository.findBySymbolAndTradingDate(symbol.toUpperCase(), tradingDate);
    }

    @GET
    @POST
    @Path(value = "/archive")
    public void archive(@HeaderParam(value = "X-AppEngine-Cron") @DefaultValue(value = "false") boolean isCron) {
        if (isCron) {
            QueueFactory.getDefaultQueue().add(withUrl("/stocks/archive"));
        } else {
            stocksRepository.save(getAllStocks());
        }
    }
}