Java Long Number to Time createCookie(String name, String value, String path, String domain, long stateTimeToLive)

Description

create Cookie

License

Apache License

Declaration

public static String createCookie(String name, String value, String path, String domain, long stateTimeToLive) 

Method Source Code

//package com.java2s;
/**//from ww  w .j  a v a2s . c  o  m
 * 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.
 */

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;

public class Main {
    public static String createCookie(String name, String value, String path, String domain, long stateTimeToLive) {

        String contextCookie = name + "=" + value;
        // Setting a specific path restricts the browsers
        // to return a cookie only to the web applications
        // listening on that specific context path
        if (path != null) {
            contextCookie += ";Path=" + path;
        }

        // Setting a specific domain further restricts the browsers
        // to return a cookie only to the web applications
        // listening on the specific context path within a particular domain
        if (domain != null) {
            contextCookie += ";Domain=" + domain;
        }

        // Keep the cookie across the browser restarts until it actually expires.
        // Note that the Expires property has been deprecated but apparently is 
        // supported better than 'max-age' property by different browsers 
        // (Firefox, IE, etc)
        Date expiresDate = new Date(System.currentTimeMillis() + stateTimeToLive);
        String cookieExpires = getHttpDateFormat().format(expiresDate);
        contextCookie += ";Expires=" + cookieExpires;

        return contextCookie;
    }

    public static SimpleDateFormat getHttpDateFormat() {
        SimpleDateFormat dateFormat = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss zzz", Locale.US);
        TimeZone tZone = TimeZone.getTimeZone("GMT");
        dateFormat.setTimeZone(tZone);
        return dateFormat;
    }
}

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