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 */
027package org.apache.http.impl.cookie;
028
029import java.util.Date;
030
031import org.apache.http.annotation.Contract;
032import org.apache.http.annotation.ThreadingBehavior;
033import org.apache.http.client.utils.DateUtils;
034import org.apache.http.cookie.ClientCookie;
035import org.apache.http.cookie.CommonCookieAttributeHandler;
036import org.apache.http.cookie.MalformedCookieException;
037import org.apache.http.cookie.SetCookie;
038import org.apache.http.util.Args;
039
040/**
041 *
042 * @since 4.0
043 */
044@Contract(threading = ThreadingBehavior.IMMUTABLE)
045public class BasicExpiresHandler extends AbstractCookieAttributeHandler implements CommonCookieAttributeHandler {
046
047    /** Valid date patterns */
048    private final String[] datepatterns;
049
050    public BasicExpiresHandler(final String[] datepatterns) {
051        Args.notNull(datepatterns, "Array of date patterns");
052        this.datepatterns = datepatterns;
053    }
054
055    @Override
056    public void parse(final SetCookie cookie, final String value)
057            throws MalformedCookieException {
058        Args.notNull(cookie, "Cookie");
059        if (value == null) {
060            throw new MalformedCookieException("Missing value for 'expires' attribute");
061        }
062        final Date expiry = DateUtils.parseDate(value, this.datepatterns);
063        if (expiry == null) {
064            throw new MalformedCookieException("Invalid 'expires' attribute: "
065                    + value);
066        }
067        cookie.setExpiryDate(expiry);
068    }
069
070    @Override
071    public String getAttributeName() {
072        return ClientCookie.EXPIRES_ATTR;
073    }
074
075}