MafiaPullLineParser.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.
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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.logData.turn.turnAction.Pull;
import com.googlecode.logVisualizer.parser.UsefulPatterns;

/**
 * A parser for the pull notation in mafia logs.
 * <p>
 * The format looks like this:
 * <p>
 * {@code pull: _amount_ _itemName_ (if there was more than one pull, this will
 * be appended as long as needed->, _amount_ _itemName_)}
 */
public final class MafiaPullLineParser extends AbstractLineParser {
    private static final Pattern PULL_PATTERN = Pattern
            .compile("pull: \\d+ .+");
    private static final Pattern COMMA_WHITESPACE_PATTERN = Pattern
            .compile(", ");
    private final Matcher pullMatcher = MafiaPullLineParser.PULL_PATTERN
            .matcher(UsefulPatterns.EMPTY_STRING);

    /**
     * {@inheritDoc}
     */
    @Override
    protected void doParsing(final String line, final LogDataHolder logData) {
        final String[] pulls = MafiaPullLineParser.COMMA_WHITESPACE_PATTERN
                .split(line
                        .substring(line.indexOf(UsefulPatterns.WHITE_SPACE) + 1),
                        0);
        for (final String s : pulls) {
            final int firstWhiteSpacePosition = s
                    .indexOf(UsefulPatterns.WHITE_SPACE);
            final int amount = Math.max(1,
                    Integer.parseInt(s.substring(0, firstWhiteSpacePosition)));
            final String itemName = s.substring(firstWhiteSpacePosition + 1);
            logData.addPull(new Pull(itemName, amount, logData.getTurnsSpent()
                    .last().getEndTurn(), logData.getLastDayChange()
                    .getDayNumber()));
        }
    }

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