pl.allegro.tech.hermes.management.domain.group.GroupNameValidator Maven / Gradle / Ivy

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Fast and reliable message broker built on top of Kafka.

There is a newer version: 2.8.0

package pl.allegro.tech.hermes.management.domain.group;

import java.util.regex.Pattern;
import pl.allegro.tech.hermes.management.domain.GroupNameIsNotAllowedException;

class GroupNameValidator {

  private final Pattern allowedPattern;

  public GroupNameValidator(String allowedRegex) {
    this.allowedPattern = Pattern.compile(allowedRegex);
  }

  public void requireValid(String groupName) {
    if (!allowedPattern.matcher(groupName).matches()) {
      throw new GroupNameIsNotAllowedException(
          String.format("Group name should match pattern %s", allowedPattern));
    }
  }
}