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.cookie;
029
030import org.apache.http.annotation.Contract;
031import org.apache.http.annotation.Obsolete;
032import org.apache.http.annotation.ThreadingBehavior;
033import org.apache.http.cookie.CookieSpec;
034import org.apache.http.cookie.CookieSpecProvider;
035import org.apache.http.protocol.HttpContext;
036
037/**
038 * {@link org.apache.http.cookie.CookieSpecProvider} implementation that provides an instance of
039 * {@link NetscapeDraftSpec}. The instance returned by this factory
040 * can be shared by multiple threads.
041 * <p>
042 * Rendered obsolete by {@link org.apache.http.impl.cookie.RFC6265CookieSpecProvider}
043 *
044 * @since 4.4
045 * @see org.apache.http.impl.cookie.RFC6265CookieSpecProvider
046 */
047@Obsolete
048@Contract(threading = ThreadingBehavior.IMMUTABLE)
049public class NetscapeDraftSpecProvider implements CookieSpecProvider {
050
051    private final String[] datepatterns;
052
053    private volatile CookieSpec cookieSpec;
054
055    public NetscapeDraftSpecProvider(final String[] datepatterns) {
056        super();
057        this.datepatterns = datepatterns;
058    }
059
060    public NetscapeDraftSpecProvider() {
061        this(null);
062    }
063
064    @Override
065    public CookieSpec create(final HttpContext context) {
066        if (cookieSpec == null) {
067            synchronized (this) {
068                if (cookieSpec == null) {
069                    this.cookieSpec = new NetscapeDraftSpec(this.datepatterns);
070                }
071            }
072        }
073        return this.cookieSpec;
074    }
075
076}