Java HTTP Date getHttpDate(String value)

Description

get Http Date

License

Apache License

Declaration

public static Date getHttpDate(String value) 

Method Source Code

//package com.java2s;
/**/*from  w  w w. j a  v  a 2 s . c o  m*/
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   This file is part of the LDP4j Project:
 *     http://www.ldp4j.org/
 *
 *   Center for Open Middleware
 *     http://www.centeropenmiddleware.com/
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   Copyright (C) 2014 Center for Open Middleware.
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   Licensed 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.
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   Artifact    : org.ldp4j.framework:ldp4j-client-impl:1.0.0-SNAPSHOT
 *   Bundle      : ldp4j-client-impl-1.0.0-SNAPSHOT.jar
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 */

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

public class Main {
    public static Date getHttpDate(String value) {
        if (value == null) {
            return null;
        }
        Date result = null;
        try {
            result = getCxfHttpDateFormat().parse(value);
        } catch (ParseException ex) {
            try {
                result = getISOHttpDateFormat().parse(value);
            } catch (ParseException e) {
                // Any caveat?
            }
        }
        return result;
    }

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

    private static DateFormat getISOHttpDateFormat() {
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
        TimeZone tZone = TimeZone.getTimeZone("GMT");
        dateFormat.setTimeZone(tZone);
        return dateFormat;
    }
}

Related

1. getHTTPDate()
2. getHttpDate()
3. getHttpDate(int days)
4. getHttpDate(long l)
5. getHttpDate(String date)
6. getHttpDateFormat()
7. getHttpDateFormat(String dataFormat, Locale defaultLocale, String defaultTimeZone)
8. GetHTTPDateFormater()
9. getHttpDateFormatter()