io.github.eocqrs.kafka.fake.ThrowsOnFalse Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of eo-kafka Show documentation

EO Kafka Producers and consumers for working with Apache Kafka message broker

There is a newer version: 0.5.6

/*
 *  Copyright (c) 2023 Aliaksei Bialiauski, EO-CQRS
 *
 * 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 NON-INFRINGEMENT. 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 io.github.eocqrs.kafka.fake;

import org.cactoos.Scalar;

/**
 * Throwing exception on a False logical statement.
 *
 * @author Aliaksei Bialiauski ([email protected])
 * @since 0.3.5
 */
public final class ThrowsOnFalse implements Scalar {

  /**
   * Logical statement.
   */
  private final Scalar scalar;
  /**
   * Error message.
   */
  private final String message;

  /**
   * Ctor.
   *
   * @param sclr Boolean scalar
   * @param msg  Error Message
   */
  public ThrowsOnFalse(final Scalar sclr, final String msg) {
    this.scalar = sclr;
    this.message = msg;
  }

  @Override
  public Boolean value() throws Exception {
    if (!this.scalar.value()) {
      throw new IllegalArgumentException(
        this.message
      );
    }
    return true;
  }
}