StatLineParser.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
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * 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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 * OTHER DEALINGS IN THE SOFTWARE.
 */
package com.googlecode.logVisualizer.parser.lineParsers;

import java.util.regex.Matcher;

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

/**
 * A parser for the substats gained/lost notation in mafia logs.
 * <p>
 * The format looks like this:
 * <p>
 * {@code You gain _substatAmount_ _substatName_}
 * <p>
 * OR
 * <p>
 * {@code You lose _substatAmount_ _substatName_}
 */
public final class StatLineParser extends AbstractLineParser {
    private static final String LOSE_STRING = "You lose";
    // String lenght of "You gain " or "You lose " is 9.
    private static final int GAIN_LOSE_START_STRING_LENGHT = 9;
    private final Matcher gainLoseMatcher = UsefulPatterns.GAIN_LOSE
            .matcher(UsefulPatterns.EMPTY_STRING);

    /**
     * {@inheritDoc}
     */
    @Override
    protected void doParsing(final String line, final LogDataHolder logData) {
        final String informationPart = line
                .substring(StatLineParser.GAIN_LOSE_START_STRING_LENGHT);
        final int whiteSpaceIndex = informationPart
                .indexOf(UsefulPatterns.WHITE_SPACE);
        final String substatName = informationPart.substring(
                whiteSpaceIndex + 1, informationPart.length());
        final String amountString = informationPart.substring(0,
                whiteSpaceIndex);
        // Substat gains higher than the integer limit should not happen and
        // will be ignored.
        int amount;
        try {
            amount = Integer.parseInt(amountString.replace(
                    UsefulPatterns.COMMA, UsefulPatterns.EMPTY_STRING));
        } catch (final NumberFormatException e) {
            e.printStackTrace();
            return;
        }
        if (line.startsWith(StatLineParser.LOSE_STRING)) {
            amount *= -1;
        }
        if (UsefulPatterns.MUSCLE_SUBSTAT_NAMES.contains(substatName)) {
            logData.getTurnsSpent().last().addStats(amount, 0, 0);
        } else if (UsefulPatterns.MYST_SUBSTAT_NAMES.contains(substatName)) {
            logData.getTurnsSpent().last().addStats(0, amount, 0);
        } else {
            logData.getTurnsSpent().last().addStats(0, 0, amount);
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected boolean isCompatibleLine(final String line) {
        if (this.gainLoseMatcher.reset(line).matches()) {
            final String gainName = line.substring(line
                    .lastIndexOf(UsefulPatterns.WHITE_SPACE) + 1);
            return UsefulPatterns.MUSCLE_SUBSTAT_NAMES.contains(gainName)
                    || UsefulPatterns.MYST_SUBSTAT_NAMES.contains(gainName)
                    || UsefulPatterns.MOXIE_SUBSTAT_NAMES.contains(gainName);
        }
        return false;
    }
}