org.molgenis.util.UnexpectedEnumException Maven / Gradle / Ivy

Go to download
package org.molgenis.util;

import static java.lang.String.format;
import static java.util.Objects.requireNonNull;

/**
 * Exception that is thrown in the default section of a switch statement as a defensive programming
 * strategy.
 */
public class UnexpectedEnumException extends RuntimeException {
  private static final String UNEXPECTED_ENUM_CONSTANT_FORMAT =
      "Unexpected enum constant '%s' for type '%s'";

  private final Enum enumConstant;

  public  UnexpectedEnumException(E enumConstant) {
    this.enumConstant = requireNonNull(enumConstant);
  }

  @Override
  public String getMessage() {
    return format(
        UNEXPECTED_ENUM_CONSTANT_FORMAT,
        enumConstant.name(),
        enumConstant.getClass().getSimpleName());
  }
}