org.apache.http.impl.cookie.DateUtils Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of httpclient Show documentation
Builds the httpclient. Requires the commons logging to be built first and be excluded from any other poms requiring it.
The newest version!
/*
 * ====================================================================
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * .
 *
 */

package org.apache.http.impl.cookie;

import java.util.Date;
import java.util.TimeZone;

/**
 * A utility class for parsing and formatting HTTP dates as used in cookies and
 * other headers.  This class handles dates as defined by RFC 2616 section
 * 3.3.1 as well as some other common non-standard formats.
 *
 *
 * @since 4.0
 *
 * @deprecated (4.3) Use {@link org.apache.http.client.utils.DateUtils}.
 */
@Deprecated
public final class DateUtils {

    /**
     * Date format pattern used to parse HTTP date headers in RFC 1123 format.
     */
    public static final String PATTERN_RFC1123 = org.apache.http.client.utils.DateUtils.PATTERN_RFC1123;

    /**
     * Date format pattern used to parse HTTP date headers in RFC 1036 format.
     */
    public static final String PATTERN_RFC1036 = org.apache.http.client.utils.DateUtils.PATTERN_RFC1036;

    /**
     * Date format pattern used to parse HTTP date headers in ANSI C
     * {@code asctime()} format.
     */
    public static final String PATTERN_ASCTIME = org.apache.http.client.utils.DateUtils.PATTERN_ASCTIME;

    public static final TimeZone GMT = TimeZone.getTimeZone("GMT");

    /**
     * Parses a date value.  The formats used for parsing the date value are retrieved from
     * the default http params.
     *
     * @param dateValue the date value to parse
     *
     * @return the parsed date
     *
     * @throws DateParseException if the value could not be parsed using any of the
     * supported date formats
     */
    public static Date parseDate(final String dateValue) throws DateParseException {
        return parseDate(dateValue, null, null);
    }

    /**
     * Parses the date value using the given date formats.
     *
     * @param dateValue the date value to parse
     * @param dateFormats the date formats to use
     *
     * @return the parsed date
     *
     * @throws DateParseException if none of the dataFormats could parse the dateValue
     */
    public static Date parseDate(final String dateValue, final String[] dateFormats)
        throws DateParseException {
        return parseDate(dateValue, dateFormats, null);
    }

    /**
     * Parses the date value using the given date formats.
     *
     * @param dateValue the date value to parse
     * @param dateFormats the date formats to use
     * @param startDate During parsing, two digit years will be placed in the range
     * {@code startDate} to {@code startDate + 100 years}. This value may
     * be {@code null}. When {@code null} is given as a parameter, year
     * {@code 2000} will be used.
     *
     * @return the parsed date
     *
     * @throws DateParseException if none of the dataFormats could parse the dateValue
     */
    public static Date parseDate(
        final String dateValue,
        final String[] dateFormats,
        final Date startDate
    ) throws DateParseException {
        final Date d = org.apache.http.client.utils.DateUtils.parseDate(dateValue, dateFormats, startDate);
        if (d == null) {
            throw new DateParseException("Unable to parse the date " + dateValue);
        }
        return d;
    }

    /**
     * Formats the given date according to the RFC 1123 pattern.
     *
     * @param date The date to format.
     * @return An RFC 1123 formatted date string.
     *
     * @see #PATTERN_RFC1123
     */
    public static String formatDate(final Date date) {
        return org.apache.http.client.utils.DateUtils.formatDate(date);
    }

    /**
     * Formats the given date according to the specified pattern.  The pattern
     * must conform to that used by the {@link java.text.SimpleDateFormat simple
     * date format} class.
     *
     * @param date The date to format.
     * @param pattern The pattern to use for formatting the date.
     * @return A formatted date string.
     *
     * @throws IllegalArgumentException If the given date pattern is invalid.
     *
     * @see java.text.SimpleDateFormat
     */
    public static String formatDate(final Date date, final String pattern) {
        return org.apache.http.client.utils.DateUtils.formatDate(date, pattern);
    }

    /** This class should not be instantiated. */
    private DateUtils() {
    }

}