api/src/main/java/us/myles/ViaVersion/exception/CancelException.java

/*
 * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
 * Copyright (C) 2016-2021 ViaVersion and contributors
 *
 * 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, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package us.myles.ViaVersion.exception;

import io.netty.handler.codec.CodecException;
import us.myles.ViaVersion.api.Via;

/**
 * Thrown during packet transformation to cancel the packet.
 * Internally catched to then throw the appropriate {@link CodecException} for Netty's handler.
 */
public class CancelException extends Exception {
    public static final CancelException CACHED = new CancelException("This packet is supposed to be cancelled; If you have debug enabled, you can ignore these") {
        @Override
        public Throwable fillInStackTrace() {
            return this;
        }
    };

    public CancelException() {
    }

    public CancelException(String message) {
        super(message);
    }

    public CancelException(String message, Throwable cause) {
        super(message, cause);
    }

    public CancelException(Throwable cause) {
        super(cause);
    }

    public CancelException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
        super(message, cause, enableSuppression, writableStackTrace);
    }

    /**
     * Returns a cached CancelException or a new instance when {@link us.myles.ViaVersion.ViaManager#isDebug()} is true.
     *
     * @return a CancelException instance
     */
    public static CancelException generate() {
        return Via.getManager().isDebug() ? new CancelException() : CACHED;
    }
}