001/*
002 * ====================================================================
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements.  See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership.  The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License.  You may obtain a copy of the License at
010 *
011 *   http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing,
014 * software distributed under the License is distributed on an
015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
016 * KIND, either express or implied.  See the License for the
017 * specific language governing permissions and limitations
018 * under the License.
019 * ====================================================================
020 *
021 * This software consists of voluntary contributions made by many
022 * individuals on behalf of the Apache Software Foundation.  For more
023 * information on the Apache Software Foundation, please see
024 * <http://www.apache.org/>.
025 *
026 */
027
028package org.apache.http.impl.auth;
029
030import java.nio.charset.Charset;
031
032import org.apache.http.annotation.Contract;
033import org.apache.http.annotation.ThreadingBehavior;
034import org.apache.http.auth.AuthScheme;
035import org.apache.http.auth.AuthSchemeFactory;
036import org.apache.http.auth.AuthSchemeProvider;
037import org.apache.http.params.HttpParams;
038import org.apache.http.protocol.HttpContext;
039
040/**
041 * {@link AuthSchemeProvider} implementation that creates and initializes
042 * {@link DigestScheme} instances.
043 *
044 * @since 4.0
045 */
046@Contract(threading = ThreadingBehavior.IMMUTABLE)
047@SuppressWarnings("deprecation")
048public class DigestSchemeFactory implements AuthSchemeFactory, AuthSchemeProvider {
049
050    private final Charset charset;
051
052    /**
053     * @since 4.3
054     */
055    public DigestSchemeFactory(final Charset charset) {
056        super();
057        this.charset = charset;
058    }
059
060    public DigestSchemeFactory() {
061        this(null);
062    }
063
064    @Override
065    public AuthScheme newInstance(final HttpParams params) {
066        return new DigestScheme();
067    }
068
069    @Override
070    public AuthScheme create(final HttpContext context) {
071        return new DigestScheme(this.charset);
072    }
073
074}