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 28 package org.apache.hc.client5.http.impl.auth; 29 30 import java.nio.charset.Charset; 31 32 import org.apache.hc.client5.http.auth.AuthScheme; 33 import org.apache.hc.client5.http.auth.AuthSchemeFactory; 34 import org.apache.hc.core5.annotation.Contract; 35 import org.apache.hc.core5.annotation.ThreadingBehavior; 36 import org.apache.hc.core5.http.protocol.HttpContext; 37 38 /** 39 * {@link AuthSchemeFactory} implementation that creates and initializes 40 * {@link DigestScheme} instances. 41 * 42 * @since 4.0 43 */ 44 @Contract(threading = ThreadingBehavior.STATELESS) 45 public class DigestSchemeFactory implements AuthSchemeFactory { 46 47 /** 48 * Singleton instance. 49 */ 50 public static final DigestSchemeFactory INSTANCE = new DigestSchemeFactory(); 51 52 private final Charset charset; 53 54 /** 55 * @since 5.1 56 */ 57 public DigestSchemeFactory(final Charset charset) { 58 this.charset = charset; 59 } 60 61 public DigestSchemeFactory() { 62 this(null); 63 } 64 65 @Override 66 public AuthScheme create(final HttpContext context) { 67 return new DigestScheme(charset); 68 } 69 70 }