ReadPriceList.java

package forge;


import com.esotericsoftware.minlog.Log;
import forge.error.ErrorViewer;
import forge.properties.ForgeProps;
import forge.properties.NewConstants;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;


/**
 * <p>ReadPriceList class.</p>
 *
 * @author Forge
 * @version $Id: $
 */
public class ReadPriceList implements NewConstants {

    /** Constant <code>comment="//"</code> */
    final private static String comment = "//";

    private HashMap<String, Long> priceMap;

    /**
     * <p>Constructor for ReadPriceList.</p>
     */
    public ReadPriceList() {
        setup();
    }

    /**
     * <p>setup.</p>
     */
    private void setup() {
        priceMap = readFile(ForgeProps.getFile(QUEST.PRICE));
    }//setup()

    /**
     * <p>readFile.</p>
     *
     * @param file a {@link java.io.File} object.
     * @return a {@link java.util.HashMap} object.
     */
    private HashMap<String, Long> readFile(File file) {
        BufferedReader in;
        HashMap<String, Long> map = new HashMap<String, Long>();
        Random r = MyRandom.random;
        try {

            in = new BufferedReader(new FileReader(file));
            String line = in.readLine();

            //stop reading if end of file or blank line is read
            while (line != null && (line.trim().length() != 0)) {
                if (!line.startsWith(comment)) {
                    String s[] = line.split("=");
                    String name = s[0].trim();
                    String price = s[1].trim();

                    //System.out.println("Name: " + name + ", Price: " + price);

                    try {
                        long val = Long.parseLong(price.trim());

                        if (!(name.equals("Plains") || name.equals("Island") || name.equals("Swamp") || name.equals("Mountain") || name.equals("Forest") ||
                                name.equals("Snow-Covered Plains") || name.equals("Snow-Covered Island") || name.equals("Snow-Covered Swamp") || name.equals("Snow-Covered Mountain") || name.equals("Snow-Covered Forest"))) {
                            float ff = 0;
                            if (r.nextInt(100) < 90)    // +/- 10%
                                ff = (float) r.nextInt(10) * (float) .01;
                            else                        // +/- 50%
                                ff = (float) r.nextInt(50) * (float) .01;

                            if (r.nextInt(100) < 50) // -ff%
                                val = (long) ((float) val * ((float) 1 - ff));
                            else         // +ff%
                                val = (long) ((float) val * ((float) 1 + ff));
                        }

                        map.put(name, val);
                    } catch (NumberFormatException nfe) {
                        Log.warn("NumberFormatException: " + nfe.getMessage());
                    }
                }
                line = in.readLine();
            }//if

        } catch (Exception ex) {
            ErrorViewer.showError(ex);
            throw new RuntimeException("ReadPriceList : readFile error, " + ex);
        }

        return map;
    }//readFile()

    /**
     * <p>getPriceList.</p>
     *
     * @return a {@link java.util.Map} object.
     */
    public Map<String, Long> getPriceList() {
        return priceMap;
    }
}