    001/*
    002 * Copyright (c) 2016-2017 Daniel Ennis (Aikar) - MIT License
    003 *
    004 *  Permission is hereby granted, free of charge, to any person obtaining
    005 *  a copy of this software and associated documentation files (the
    006 *  "Software"), to deal in the Software without restriction, including
    007 *  without limitation the rights to use, copy, modify, merge, publish,
    008 *  distribute, sublicense, and/or sell copies of the Software, and to
    009 *  permit persons to whom the Software is furnished to do so, subject to
    010 *  the following conditions:
    011 *
    012 *  The above copyright notice and this permission notice shall be
    013 *  included in all copies or substantial portions of the Software.
    014 *
    015 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
    016 *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
    017 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
    018 *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
    019 *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
    020 *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
    021 *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    022 */
    023
    024package co.aikar.commands;
    025
    026import java.util.ArrayList;
    027import java.util.Arrays;
    028import java.util.Collections;
    029import java.util.List;
    030import java.util.regex.Matcher;
    031
    032/**
    033 * Handles formatting Messages and managing colors
    034 * @param <FT> The platform specific color object
    035 */
    036public abstract class MessageFormatter <FT> {
    037
    038    private final List<FT> colors = new ArrayList<>();
    039
    040    @SafeVarargs
    041    public MessageFormatter(FT... colors) {
    042        this.colors.addAll(Arrays.asList(colors));
    043
    044    }
    045    public FT setColor(int index, FT color) {
    046        if (index > 0) {
    047            index--;
    048        } else {
    049            index = 0;
    050        }
    051        if (this.colors.size() <= index) {
    052            int needed = index - this.colors.size();
    053            if (needed > 0) {
    054                this.colors.addAll(Collections.nCopies(needed, null));
    055            }
    056            colors.add(color);
    057            return null;
    058        } else {
    059            return colors.set(index, color);
    060        }
    061    }
    062
    063    public FT getColor(int index) {
    064        if (index > 0) {
    065            index--;
    066        } else {
    067            index = 0;
    068        }
    069        FT color = colors.get(index);
    070        if (color == null) {
    071            color = getDefaultColor();
    072        }
    073        return color;
    074    }
    075
    076    public FT getDefaultColor() {
    077        return getColor(1);
    078    }
    079
    080    abstract String format(FT color, String message);
    081
    082    public String format(int index, String message) {
    083        return format(getColor(index), message);
    084    }
    085
    086    public String format(String message) {
    087        String def = format(1, "");
    088        Matcher matcher = ACFPatterns.FORMATTER.matcher(message);
    089        StringBuffer sb = new StringBuffer(message.length());
    090        while (matcher.find()) {
    091            Integer color = ACFUtil.parseInt(matcher.group("color"), 1);
    092            String msg = format(color, matcher.group("msg")) + def;
    093            matcher.appendReplacement(sb, Matcher.quoteReplacement(msg));
    094        }
    095        matcher.appendTail(sb);
    096        return def + sb.toString();
    097    }
    098}