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_1_1";
46
47 /**
48 * The hard limit of maximum concurrent requests JDK transport can do. This is a workaround for the fact, that in
49 * HTTP/2 mode, JDK HttpClient initializes this value to Integer.MAX_VALUE (!) and lowers it on first response
50 * from the remote server (but it may be too late). See JDK bug
51 * <a href="https://bugs.openjdk.org/browse/JDK-8225647">JDK-8225647</a> for details.
52 *
53 * @configurationSource {@link RepositorySystemSession#getConfigProperties()}
54 * @configurationType {@link java.lang.Integer}
55 * @configurationDefaultValue {@link #DEFAULT_MAX_CONCURRENT_REQUESTS}
56 * @configurationRepoIdSuffix Yes
57 */
58 public static final String CONFIG_PROP_MAX_CONCURRENT_REQUESTS = CONFIG_PROPS_PREFIX + "maxConcurrentRequests";
59
60 public static final int DEFAULT_MAX_CONCURRENT_REQUESTS = 100;
61 }