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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.eclipse.aether.transport.jdk;
20  
21  import javax.inject.Named;
22  
23  import org.eclipse.aether.RepositorySystemSession;
24  import org.eclipse.aether.repository.RemoteRepository;
25  import org.eclipse.aether.spi.connector.transport.Transporter;
26  import org.eclipse.aether.spi.connector.transport.TransporterFactory;
27  import org.eclipse.aether.transfer.NoTransporterException;
28  import org.slf4j.Logger;
29  import org.slf4j.LoggerFactory;
30  
31  import static java.util.Objects.requireNonNull;
32  
33  /**
34   * JDK Transport factory: on Java 8 is no-op.
35   *
36   * @since TBD
37   */
38  @Named(JdkTransporterFactory.NAME)
39  public final class JdkTransporterFactory implements TransporterFactory {
40      public static final String NAME = "jdk";
41  
42      private static final Logger LOGGER = LoggerFactory.getLogger(JdkTransporterFactory.class);
43  
44      private float priority = Float.MIN_VALUE;
45  
46      @Override
47      public float getPriority() {
48          return priority;
49      }
50  
51      public JdkTransporterFactory setPriority(float priority) {
52          this.priority = priority;
53          return this;
54      }
55  
56      @Override
57      public Transporter newInstance(RepositorySystemSession session, RemoteRepository repository)
58              throws NoTransporterException {
59          requireNonNull(session, "session cannot be null");
60          requireNonNull(repository, "repository cannot be null");
61  
62          LOGGER.debug("Needs Java11+ to function");
63          throw new NoTransporterException(repository, "JDK Transport needs Java11+");
64      }
65  }