/*
 * Copyright 2021, TeamDev. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Redistribution and use in source and/or binary forms, with or without
 * modification, must retain the above copyright notice and the following
 * disclaimer.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package io.spine.server.type;

import io.spine.base.RejectionThrowable;
import io.spine.core.Event;
import io.spine.core.Origin;

import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Throwables.getRootCause;

/**
 * A set of utilities for working with rejections and {@link RejectionThrowable}s.
 */
public final class Rejections {

    /**
     * Prevents the utility class instantiation.
     */
    private Rejections() {
    }
    /**
     * Tells whether or not the given {@code throwable} is caused by a {@link RejectionThrowable}.
     *
     * @param throwable the {@link Throwable} to check
     * @return {@code true} is the given {@code throwable} is caused by a rejection, {@code false}
     *         otherwise
     */
    public static boolean causedByRejection(Throwable throwable) {
        checkNotNull(throwable);
        Throwable cause = getRootCause(throwable);
        boolean result = cause instanceof RejectionThrowable;
        return result;
    }

    /**
     * Obtains the origin of the passed rejection.
     *
     * <p>Throws an {@link IllegalArgumentException} if the passed wrapping object
     *  does not contain a rejection message.
     */
    public static Origin originOfRejection(Event rejection) {
        RejectionEnvelope envelope = RejectionEnvelope.from(rejection);
        Origin result = envelope.asMessageOrigin();
        return result;
    }
}

/*
 * Copyright 2021, TeamDev. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Redistribution and use in source and/or binary forms, with or without
 * modification, must retain the above copyright notice and the following
 * disclaimer.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package io.spine.server.type;

import io.spine.base.RejectionThrowable;

import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Throwables.getRootCause;

/**
 * A set of utilities for working with rejections and {@link RejectionThrowable}s.
 */
public final class Rejections {

    /**
     * Prevents the utility class instantiation.
     */
    private Rejections() {
    }
    /**
     * Tells whether or not the given {@code throwable} is caused by a {@link RejectionThrowable}.
     *
     * @param throwable the {@link Throwable} to check
     * @return {@code true} is the given {@code throwable} is caused by a rejection, {@code false}
     *         otherwise
     */
    public static boolean causedByRejection(Throwable throwable) {
        checkNotNull(throwable);
        Throwable cause = getRootCause(throwable);
        boolean result = cause instanceof RejectionThrowable;
        return result;
    }
}

Remove unused code