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This packages contains the building blocks required to create the drasyl overlay network.

There is a newer version: 0.10.0

/*
 * Copyright (c) 2020-2021 Heiko Bornholdt and Kevin Röbert
 *
 * 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 org.drasyl;

import java.util.Objects;

/**
 * All checked exceptions in drasyl inherit from this exception class.
 */
public class DrasylException extends Exception {
    /**
     * @param cause the cause (which is saved for later retrieval by the {@link #getCause()}
     *              method).  (A {@code null} value is permitted, and indicates that the cause is
     *              nonexistent or unknown.)
     */
    public DrasylException(final Throwable cause) {
        super(cause);
    }

    /**
     * @param message the detail message. The detail message is saved for later retrieval by the
     *                {@link #getMessage()} method.
     */
    public DrasylException(final String message) {
        super(message);
    }

    /**
     * @param message the detail message (which is saved for later retrieval by the {@link
     *                #getMessage()} method).
     * @param cause   the cause (which is saved for later retrieval by the {@link #getCause()}
     *                method).  (A {@code null} value is permitted, and indicates that the cause is
     *                nonexistent or unknown.)
     */
    public DrasylException(final String message, final Throwable cause) {
        super(message, cause);
    }

    @Override
    public int hashCode() {
        return Objects.hash(getCause(), getMessage());
    }

    @Override
    public boolean equals(final Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        final DrasylException that = (DrasylException) o;
        return Objects.equals(getCause(), that.getCause()) &&
                Objects.equals(getMessage(), that.getMessage());
    }
}