de.matzefratze123.heavyspleef.flag.presets.DelimiterBasedListParser.java Source code

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Here is the source code for de.matzefratze123.heavyspleef.flag.presets.DelimiterBasedListParser.java

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/*
 * This file is part of HeavySpleef.
 * Copyright (c) 2014-2015 matzefratze123
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package de.matzefratze123.heavyspleef.flag.presets;

import java.util.List;

import org.apache.commons.lang.Validate;

import com.google.common.collect.Lists;

import de.matzefratze123.heavyspleef.core.flag.InputParseException;

public class DelimiterBasedListParser<T> implements ListInputParser<T> {

    private String delimiterRegex;
    private ArgumentParser<T> argParser;

    public DelimiterBasedListParser(String delimiterRegex, ArgumentParser<T> argParser) {
        Validate.notNull(delimiterRegex, "delimiterRegex cannot be null");
        Validate.notNull(argParser, "argParser cannot be null");

        this.delimiterRegex = delimiterRegex;
        this.argParser = argParser;
    }

    @Override
    public List<T> parse(String input) throws InputParseException {
        String[] components = input.split(delimiterRegex);
        List<T> result = Lists.newArrayListWithCapacity(components.length);

        for (int i = 0; i < components.length; i++) {
            T argument = argParser.parseArgument(components[i]);
            result.add(argument);
        }

        return result;
    }

    public static class Delimiters {

        public static final String COMMA_DELIMITER = ";";
        public static final String SPACE_DELIMITER = " ";

    }

}