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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 org.eclipse.aether.ConfigurationProperties;
22  import org.eclipse.aether.RepositorySystemSession;
23  
24  /**
25   * JDK Transport configuration keys.
26   *
27   * @since 2.0.0
28   */
29  public final class JdkTransporterConfigurationKeys {
30      private JdkTransporterConfigurationKeys() {}
31  
32      private static final String CONFIG_PROPS_PREFIX =
33              ConfigurationProperties.PREFIX_TRANSPORT + JdkTransporterFactory.NAME + ".";
34  
35      /**
36       * Use string representation of HttpClient version enum "HTTP_2" or "HTTP_1_1" to set default HTTP protocol to use.
37       *
38       * @configurationSource {@link RepositorySystemSession#getConfigProperties()}
39       * @configurationType {@link java.lang.String}
40       * @configurationDefaultValue {@link #DEFAULT_HTTP_VERSION}
41       * @configurationRepoIdSuffix Yes
42       */
43      public static final String CONFIG_PROP_HTTP_VERSION = CONFIG_PROPS_PREFIX + "httpVersion";
44  
45      public static final String DEFAULT_HTTP_VERSION = "HTTP_2";
46  }