MeatLineParser.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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 * the Software is furnished to do so, subject to the following
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 *
 * 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
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package com.googlecode.logVisualizer.parser.lineParsers;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

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

/**
 * A parser for the meat gained notation in mafia logs.
 * <p>
 * The format looks like this:
 * <p>
 * {@code You gain _amount_ Meat}
 */
public final class MeatLineParser extends AbstractLineParser {
    // String lenght of "You gain " is 9.
    private static final int GAIN_START_STRING_LENGHT = 9;
    private static final Pattern MEAT_GAIN = Pattern
            .compile("^You gain \\d*,?\\d+ Meat");
    private final Matcher meatGainMatcher = MeatLineParser.MEAT_GAIN
            .matcher(UsefulPatterns.EMPTY_STRING);
    private final MeatGainType meatGainType;

    /**
     * @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 MeatLineParser(final MeatGainType type) {
        this.meatGainType = type;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void doParsing(final String line, final LogDataHolder logData) {
        final String informationPart = line
                .substring(MeatLineParser.GAIN_START_STRING_LENGHT);
        final int whiteSpaceIndex = informationPart
                .indexOf(UsefulPatterns.WHITE_SPACE);
        final String amountString = informationPart.substring(0,
                whiteSpaceIndex);
        final int amount = Integer.parseInt(amountString.replace(
                UsefulPatterns.COMMA, UsefulPatterns.EMPTY_STRING));
        if (this.meatGainType == MeatGainType.ENCOUNTER) {
            logData.getTurnsSpent().last().addEncounterMeatGain(amount);
        } else {
            logData.getTurnsSpent().last().addOtherMeatGain(amount);
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected boolean isCompatibleLine(final String line) {
        return this.meatGainMatcher.reset(line).matches();
    }

    public static enum MeatGainType {
        ENCOUNTER, OTHER;
    }
}