PriceGrabber

package org.rabrg.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;

/**
 * Grabs prices from the Zybez RuneScape 2007 marketplace.
 * @author Ryan Greene
 *
 */
public final class PriceGrabber {

    /**
     * The base of the URL used to grab prices.
     */
    private static final String BASE_URL = "http://forums.zybez.net/runescape-2007-prices/api/";

    /**
     * Gets the price of the item with the specified name.
     * @param itemName The name of the item.
     * @return The price of the item.
     * @throws IOException If an IOException occurs.
     */
    public static Price getPrice(final String itemName) throws IOException {
        try (final BufferedReader reader = new BufferedReader(new InputStreamReader(new URL(BASE_URL + itemName).openStream()))) {
            String line = reader.readLine().replaceAll("" + '"', "");

            int id = Integer.parseInt(line.split("id:")[1].split(",")[0]);
            String name = line.split("name:")[1].split(",")[0];
            String image = line.split("image:")[1].split(",")[0];
            float recentHigh = Float.parseFloat(line.split("recent_high:")[1].split(",")[0]);
            float recentLow = Float.parseFloat(line.split("recent_low:")[1].split(",")[0]);
            float average = Float.parseFloat(line.split("average:")[1].split(",")[0]);
            int highAlch = Integer.parseInt(line.split("high_alch:")[1].split(",")[0]);

            return new Price(id, name, image, recentHigh, recentLow, average, highAlch);
        }
    }

    /**
     * Represents a single price of an item.
     * @author Ryan Greene
     *
     */
    public static final class Price {

        /**
         * The id of the item.
         */
        private final int id;

        /**
         * The name of the item.
         */
        private final String name;

        /**
         * The image of the item.
         */
        private final String image;

        /**
         * The recent high price of the item.
         */
        private final float recentHigh;

        /**
         * The recent low price of the item.
         */
        private final float recentLow;

        /**
         * The average price of the item.
         */
        private final float average;

        /**
         * The high alch value of the item.
         */
        private final int highAlch;

        /**
         * Constructs a new price.
         * @param id
         * @param name
         * @param image
         * @param recentHigh
         * @param recentLow
         * @param average
         * @param highAlch
         */
        private Price(int id, String name, String image, float recentHigh, float recentLow, float average, int highAlch) {
            this.id = id;
            this.name = name;
            this.image = image;
            this.recentHigh = recentHigh;
            this.recentLow = recentLow;
            this.average = average;
            this.highAlch = highAlch;
        }

        /**
         * Gets the id of the item.
         * @return The id of the item.
         */
        public int getId() {
            return id;
        }

        /**
         * Gets the name of the item.
         * @return The name of the item.
         */
        public String getName() {
            return name;
        }

        /**
         * Gets the image of the item.
         * @return The image of the item.
         */
        public String getImage() {
            return image;
        }

        /**
         * Gets the recent high price of the item.
         * @return The recent high price of the item.
         */
        public float getRecentHigh() {
            return recentHigh;
        }

        /**
         * Gets the recent low price of the item.
         * @return The recent low price of the item.
         */
        public float getRecentLow() {
            return recentLow;
        }

        /**
         * Gets the average price of the item.
         * @return The average price of the item.
         */
        public float getAverage() {
            return average;
        }

        /**
         * Gets the high alch value of the item.
         * @return The high alch value of the item.
         */
        public int getHighAlch() {
            return highAlch;
        }
    }
}