/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.eclipse.aether.transport.url;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  
  import org.eclipse.aether.RepositorySystemSession;
  import org.eclipse.aether.repository.RemoteRepository;
  import org.eclipse.aether.spi.connector.transport.http.ChecksumExtractor;
  import org.eclipse.aether.spi.connector.transport.http.HttpTransporterFactory;
  import org.eclipse.aether.spi.io.PathProcessor;
  import org.eclipse.aether.transfer.NoTransporterException;
  
  import static java.util.Objects.requireNonNull;
  
  /**
   * A bootstrapping transporter factory for repositories using the {@code http:} or {@code https:} protocol.
   *
   * @since 2.0.21
   */
  @Named(UrlTransporterFactory.NAME)
  public final class UrlTransporterFactory implements HttpTransporterFactory {
      public static final String NAME = "url";
  
      private float priority = -1.0f;
  
      private final ChecksumExtractor checksumExtractor;
  
      private final PathProcessor pathProcessor;
  
      @Inject
      public UrlTransporterFactory(ChecksumExtractor checksumExtractor, PathProcessor pathProcessor) {
          this.checksumExtractor = requireNonNull(checksumExtractor, "checksumExtractor");
          this.pathProcessor = requireNonNull(pathProcessor, "pathProcessor");
      }
  
      @Override
      public float getPriority() {
          return priority;
      }
  
      /**
       * Sets the priority of this component.
       *
       * @param priority The priority.
       * @return This component for chaining, never {@code null}.
       */
      public UrlTransporterFactory setPriority(float priority) {
          this.priority = priority;
          return this;
      }
  
      @Override
      public UrlTransporter newInstance(RepositorySystemSession session, RemoteRepository repository)
              throws NoTransporterException {
          requireNonNull(session, "session cannot be null");
          requireNonNull(repository, "repository cannot be null");
  
          if (!"http".equalsIgnoreCase(repository.getProtocol()) && !"https".equalsIgnoreCase(repository.getProtocol())) {
              throw new NoTransporterException(repository);
          }
  
          return new UrlTransporter(repository, session, checksumExtractor, pathProcessor);
      }
  }