com.gmail.filoghost.chestcommands.config.AsciiPlaceholders.java Source code

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/*
 *  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 <https://www.gnu.org/licenses/>.
 */
package com.gmail.filoghost.chestcommands.config;

import com.gmail.filoghost.chestcommands.ChestCommands;
import com.gmail.filoghost.chestcommands.util.BukkitUtils;
import com.gmail.filoghost.chestcommands.util.ErrorLogger;
import com.gmail.filoghost.chestcommands.util.FormatUtils;
import com.gmail.filoghost.chestcommands.util.Utils;
import org.apache.commons.lang.StringEscapeUtils;

import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

/**
 * This is not a real YAML file ;)
 */
public class AsciiPlaceholders {

    private static Map<String, String> placeholders = Utils.newHashMap();

    public static void load(ErrorLogger errorLogger) throws IOException, Exception {

        placeholders.clear();
        File file = new File(ChestCommands.getInstance().getDataFolder(), "placeholders.yml");

        if (!file.exists()) {
            BukkitUtils.saveResourceSafe(ChestCommands.getInstance(), "placeholders.yml");
        }

        List<String> lines = Utils.readLines(file);
        for (String line : lines) {

            // Comment or empty line
            if (line.isEmpty() || line.startsWith("#")) {
                continue;
            }

            if (!line.contains(":")) {
                errorLogger.addError("Unable to parse a line(" + line
                        + ") from placeholders.yml: it must contain ':' to separate the placeholder and the replacement.");
                continue;
            }

            int indexOf = line.indexOf(':');
            String placeholder = unquote(line.substring(0, indexOf).trim());
            String replacement = FormatUtils.addColors(
                    StringEscapeUtils.unescapeJava(unquote(line.substring(indexOf + 1, line.length()).trim())));

            if (placeholder.length() == 0 || replacement.length() == 0) {
                errorLogger.addError("Unable to parse a line(" + line
                        + ") from placeholders.yml: the placeholder and the replacement must have both at least 1 character.");
                continue;
            }

            if (placeholder.length() > 100) {
                errorLogger.addError("Unable to parse a line(" + line
                        + ") from placeholders.yml: the placeholder cannot be longer than 100 characters.");
                continue;
            }

            placeholders.put(placeholder, replacement);
        }
    }

    public static List<String> placeholdersToSymbols(List<String> input) {
        if (input == null)
            return null;
        for (int i = 0; i < input.size(); i++) {
            input.set(i, placeholdersToSymbols(input.get(i)));
        }
        return input;
    }

    public static String placeholdersToSymbols(String input) {
        if (input == null)
            return null;
        for (Entry<String, String> entry : placeholders.entrySet()) {
            input = input.replace(entry.getKey(), entry.getValue());
        }
        return input;
    }

    public static String symbolsToPlaceholders(String input) {
        if (input == null)
            return null;
        for (Entry<String, String> entry : placeholders.entrySet()) {
            input = input.replace(entry.getValue(), entry.getKey());
        }
        return input;
    }

    private static String unquote(String input) {
        if (input.length() < 2) {
            // Cannot be quoted
            return input;
        }
        if (input.startsWith("'") && input.endsWith("'")) {
            return input.substring(1, input.length() - 1);
        } else if (input.startsWith("\"") && input.endsWith("\"")) {
            return input.substring(1, input.length() - 1);
        }

        return input;
    }
}