SCM-Manager/scm-webapp/src/main/java/sonia/scm/repository/CustomNamespaceStrategy.java

/*
 * MIT License
 *
 * Copyright (c) 2020-present Cloudogu GmbH and Contributors
 *
 * 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 sonia.scm.repository;

import sonia.scm.plugin.Extension;
import sonia.scm.util.ValidationUtil;

import java.util.regex.Pattern;

import static sonia.scm.ScmConstraintViolationException.Builder.doThrow;

@Extension
public class CustomNamespaceStrategy implements NamespaceStrategy {

  private static final Pattern ONE_TO_THREE_DIGITS = Pattern.compile("[0-9]{1,3}");

  @Override
  public String createNamespace(Repository repository) {
    String namespace = repository.getNamespace();

    doThrow()
      .violation("invalid namespace", "namespace")
      .when(
        !ValidationUtil.isRepositoryNameValid(namespace)
          || ONE_TO_THREE_DIGITS.matcher(namespace).matches()
          || namespace.equals("create"));

    return namespace;
  }

  @Override
  public boolean canBeChanged() {
    return true;
  }
}