1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27 package org.apache.hc.client5.http.impl.auth;
28
29 import org.apache.hc.client5.http.DnsResolver;
30 import org.apache.hc.client5.http.SystemDefaultDnsResolver;
31 import org.apache.hc.client5.http.auth.AuthScheme;
32 import org.apache.hc.client5.http.auth.AuthSchemeFactory;
33 import org.apache.hc.client5.http.auth.KerberosConfig;
34 import org.apache.hc.core5.annotation.Contract;
35 import org.apache.hc.core5.annotation.Experimental;
36 import org.apache.hc.core5.annotation.ThreadingBehavior;
37 import org.apache.hc.core5.http.protocol.HttpContext;
38
39 /**
40 * {@link AuthSchemeFactory} implementation that creates and initializes
41 * {@link KerberosScheme} instances.
42 * <p>
43 * Please note this class is considered experimental and may be discontinued or removed
44 * in the future.
45 * </p>
46 *
47 * @since 4.2
48 */
49 @Contract(threading = ThreadingBehavior.STATELESS)
50 @Experimental
51 public class KerberosSchemeFactory implements AuthSchemeFactory {
52
53 /**
54 * Singleton instance for the default configuration.
55 */
56 public static final KerberosSchemeFactory DEFAULT = new KerberosSchemeFactory(KerberosConfig.DEFAULT,
57 SystemDefaultDnsResolver.INSTANCE);
58
59 private final KerberosConfig config;
60 private final DnsResolver dnsResolver;
61
62 /**
63 * @since 5.0
64 */
65 public KerberosSchemeFactory(final KerberosConfig config, final DnsResolver dnsResolver) {
66 super();
67 this.config = config;
68 this.dnsResolver = dnsResolver;
69 }
70
71 @Override
72 public AuthScheme create(final HttpContext context) {
73 return new KerberosScheme(this.config, this.dnsResolver);
74 }
75
76 }