me.taylorkelly.mywarp.bukkit.util.parametric.ExceptionConverter.java Source code

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Here is the source code for me.taylorkelly.mywarp.bukkit.util.parametric.ExceptionConverter.java

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/*
 * Copyright (C) 2011 - 2015, MyWarp team and contributors
 *
 * This file is part of MyWarp.
 *
 * MyWarp 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.
 *
 * MyWarp 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 MyWarp. If not, see <http://www.gnu.org/licenses/>.
 */

package me.taylorkelly.mywarp.bukkit.util.parametric;

import com.google.common.base.Optional;
import com.sk89q.intake.CommandException;
import com.sk89q.intake.parametric.handler.ExceptionConverterHelper;
import com.sk89q.intake.parametric.handler.ExceptionMatch;

import me.taylorkelly.mywarp.bukkit.util.parametric.binding.PlayerBinding.IllegalCommandSenderException;
import me.taylorkelly.mywarp.bukkit.util.parametric.binding.PlayerBinding.NoSuchPlayerException;
import me.taylorkelly.mywarp.bukkit.util.parametric.binding.ProfileBinding.NoSuchProfileException;
import me.taylorkelly.mywarp.bukkit.util.parametric.binding.WarpBinding.NoSuchWarpException;
import me.taylorkelly.mywarp.util.CommandUtils;
import me.taylorkelly.mywarp.util.NoSuchWorldException;
import me.taylorkelly.mywarp.util.i18n.DynamicMessages;
import me.taylorkelly.mywarp.util.profile.Profile;
import me.taylorkelly.mywarp.warp.Warp;

import org.apache.commons.lang.text.StrBuilder;
import org.bukkit.ChatColor;

import java.io.FileNotFoundException;
import java.util.concurrent.TimeUnit;

/**
 * Converts specific Exceptions into human readable {@link CommandException}s.
 */
public class ExceptionConverter extends ExceptionConverterHelper {

    private static final DynamicMessages MESSAGES = new DynamicMessages(CommandUtils.RESOURCE_BUNDLE_NAME);

    /**
     * Converts a {@link NoSuchPlayerException} to a human readable {@link CommandException}.
     *
     * @param ex the NoSuchPlayerException
     * @throws CommandException the wrapped exception
     */
    @ExceptionMatch
    public void convert(NoSuchPlayerException ex) throws CommandException {
        throw new CommandException(MESSAGES.getString("exception.no-such-player", ex.getQuery()), ex);
    }

    /**
     * Converts a {@link NoSuchProfileException} to a human readable {@link CommandException}.
     *
     * @param ex the NoSuchProfileException
     * @throws CommandException the wrapped exception
     */
    @ExceptionMatch
    public void convert(NoSuchProfileException ex) throws CommandException {
        throw new CommandException(MESSAGES.getString("exception.no-such-profile", ex.getQuery()), ex);
    }

    /**
     * Converts a {@link NoSuchWarpException} to a human readable {@link CommandException}.
     *
     * @param ex the NoSuchWarpException
     * @throws CommandException the wrapped exception
     */
    @ExceptionMatch
    public void convert(NoSuchWarpException ex) throws CommandException {
        Optional<Warp> match = ex.getMatches().getMatch(new Warp.PopularityComparator());

        StrBuilder builder = new StrBuilder();
        builder.append(MESSAGES.getString("exception.no-such-warp", ex.getQuery()));

        if (match.isPresent()) {
            builder.appendNewLine();
            builder.append(ChatColor.GRAY);
            builder.append(MESSAGES.getString("exception.no-such-warp.suggestion", match.get().getName()));
        }

        throw new CommandException(builder.toString(), ex);
    }

    /**
     * Converts a {@link ExceedsInitiatorLimitException} to a human readable {@link CommandException}.
     *
     * @param ex the ExceedsInitiatorLimitException
     * @throws CommandException the wrapped exception
     */
    @ExceptionMatch
    public void convert(ExceedsInitiatorLimitException ex) throws CommandException {
        StrBuilder builder = new StrBuilder();

        switch (ex.getExceededLimit()) {
        case TOTAL:
            builder.append(MESSAGES.getString("exception.exceeds-initiator-limit.total", ex.getLimitMaximum()));
            break;
        case PRIVATE:
            builder.append(MESSAGES.getString("exception.exceeds-initiator-limit.private", ex.getLimitMaximum()));
            break;
        case PUBLIC:
            builder.append(MESSAGES.getString("exception.exceeds-initiator-limit.public", ex.getLimitMaximum()));
            break;
        }
        builder.appendNewLine();
        builder.append(MESSAGES.getString("exception.exceeds-initiator-limit.delete-warps"));

        throw new CommandException(builder.toString(), ex);
    }

    /**
     * Converts a {@link ExceedsLimitException} to a human readable {@link CommandException}.
     *
     * @param ex the LimitExceededException
     * @throws CommandException the wrapped exception
     */
    @ExceptionMatch
    public void convert(ExceedsLimitException ex) throws CommandException {
        Profile subject = ex.getSubject();
        throw new CommandException(MESSAGES.getString("exception.exceeds-limit",
                subject.getName().or(subject.getUniqueId().toString())), ex);
    }

    /**
     * Converts a {@link TimerRunningException} to a human readable {@link CommandException}.
     *
     * @param ex the TimerRunningException
     * @throws CommandException the wrapped exception
     */
    @ExceptionMatch
    public void convert(TimerRunningException ex) throws CommandException {
        throw new CommandException(
                MESSAGES.getString("exception.timer-running", ex.getDurationLeft().get(TimeUnit.SECONDS)), ex);
    }

    /**
     * Converts a {@link IllegalCommandSenderException} to a human readable {@link CommandException}.
     *
     * @param ex the IllegalCommandSenderException
     * @throws CommandException the wrapped exception
     */
    @ExceptionMatch
    public void convert(IllegalCommandSenderException ex) throws CommandException {
        throw new CommandException(MESSAGES.getString("exception.illegal-command-sender"), ex);
    }

    /**
     * Converts a {@link NoSuchWorldException} to a human readable {@link CommandException}.
     *
     * @param ex the NoSuchWorldException
     * @throws CommandException the wrapped exception
     */
    @ExceptionMatch
    public void convert(NoSuchWorldException ex) throws CommandException {
        throw new CommandException(MESSAGES.getString("exception.no-such-world", ex.getWorldRepresentation()), ex);
    }

    /**
     * Converts a {@link FileNotFoundException} to a human readable {@link CommandException}.
     *
     * @param ex the FileNotFoundException
     * @throws CommandException the wrapped exception
     */
    @ExceptionMatch
    public void convert(FileNotFoundException ex) throws CommandException {
        throw new CommandException(MESSAGES.getString("exception.file-not-found", ex.getMessage()), ex);
    }
}