MPGainLineParser.java

/* Copyright (c) 2008-2010, developers of the Ascension Log Visualizer
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
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 * 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,
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package com.googlecode.logVisualizer.parser.lineParsers;

import java.util.regex.Matcher;

import com.googlecode.logVisualizer.logData.LogDataHolder;
import com.googlecode.logVisualizer.logData.turn.TurnInterval;
import com.googlecode.logVisualizer.parser.UsefulPatterns;

/**
 * A parser for the mp gain notation in mafia logs.
 * <p>
 * {@code You gain _amount_ Mana/Mojo/Muscularity Points}
 */
public final class MPGainLineParser extends AbstractLineParser {
    private static final String LOSE_STRING = "You lose";
    // String lenght of "You gain " is 9.
    private static final int GAIN_START_STRING_LENGHT = 9;
    private final Matcher gainLoseMatcher = UsefulPatterns.GAIN_LOSE
            .matcher(UsefulPatterns.EMPTY_STRING);
    private final MPGainType mpGainType;

    /**
     * @param type
     *            The mp gain type which decides to which kind of mp gain all
     *            parsed mp gains from this line parser will be added to.
     */
    public MPGainLineParser(final MPGainType type) {
        this.mpGainType = type;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void doParsing(final String line, final LogDataHolder logData) {
        final String informationPart = line
                .substring(MPGainLineParser.GAIN_START_STRING_LENGHT);
        final int whiteSpaceIndex = informationPart
                .indexOf(UsefulPatterns.WHITE_SPACE);
        final String amountString = informationPart.substring(0,
                whiteSpaceIndex);
        // MP gains higher than the integer limit should not happen and will be
        // ignored.
        final int amount;
        try {
            amount = Integer.parseInt(amountString.replace(
                    UsefulPatterns.COMMA, UsefulPatterns.EMPTY_STRING));
        } catch (final NumberFormatException e) {
            e.printStackTrace();
            return;
        }
        final TurnInterval lastInterval = logData.getTurnsSpent().last();
        switch (this.mpGainType) {
        case ENCOUNTER:
            if (lastInterval.getAreaName().equals("Rest in your dwelling")) {
                lastInterval.addRestingMPGain(amount);
            } else {
                lastInterval.addEncounterMPGain(amount);
            }
            break;
        case NOT_ENCOUNTER:
            lastInterval.addOutOfEncounterMPGain(amount);
            break;
        case CONSUMABLE:
            lastInterval.addConsumableMPGain(amount);
            break;
        default:
            break;
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected boolean isCompatibleLine(final String line) {
        if (this.gainLoseMatcher.reset(line).matches()
                && !line.startsWith(MPGainLineParser.LOSE_STRING)) {
            for (final String s : UsefulPatterns.MP_NAMES) {
                if (line.endsWith(s)) {
                    return true;
                }
            }
        }
        return false;
    }

    public static enum MPGainType {
        ENCOUNTER, NOT_ENCOUNTER, CONSUMABLE;
    }
}