Java HttpURLConnection Open getConnectionCharset(HttpURLConnection connection)

Description

Parse the connection content type and return the content charset

License

Open Source License

Parameter

Parameter	Description
connection	a parameter

Return

Connection charset or "utf-8" if unknown

Declaration

public static String getConnectionCharset(HttpURLConnection connection) 

Method Source Code

//package com.java2s;
/*/*from  w  w  w .  j  av  a  2s  .co  m*/
 * OrbisGIS is a GIS application dedicated to scientific spatial simulation.
 * This cross-platform GIS is developed at French IRSTV institute and is able to
 * manipulate and create vector and raster spatial information. 
 * 
 * OrbisGIS is distributed under GPL 3 license. It is produced by the "Atelier SIG"
 * team of the IRSTV Institute <http://www.irstv.fr/> CNRS FR 2488.
 * 
 * Copyright (C) 2007-2012 IRSTV (FR CNRS 2488)
 * 
 * This file is part of OrbisGIS.
 * 
 * OrbisGIS is free software: you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * OrbisGIS is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * OrbisGIS. If not, see <http://www.gnu.org/licenses/>.
 * 
 * For more information, please consult: <http://www.orbisgis.org/>
 * or contact directly:
 * info_at_ orbisgis.org
 */

import java.net.HttpURLConnection;

public class Main {
    private static final String CHARSET_KEY = "charset=";

    /**
     * Parse the connection content type and return the content charset
     * @param connection
     * @return Connection charset or "utf-8" if unknown
     */
    public static String getConnectionCharset(HttpURLConnection connection) {
        String contentType = connection.getContentType();
        int charsetIndex = contentType.indexOf(CHARSET_KEY);
        if (charsetIndex != -1) {
            int charsetEndIndex = contentType.indexOf(";", charsetIndex);
            if (charsetEndIndex == -1) {
                return contentType.substring(charsetIndex + CHARSET_KEY.length());
            } else {
                return contentType.substring(charsetIndex + CHARSET_KEY.length(), charsetEndIndex);
            }
        }
        return "UTF-8";
    }
}

Related

1. getConnection(String url)
2. getConnection(String urlStr, boolean useProxy)
3. getConnection(URL url)
4. getConnectionStream(HttpURLConnection con)
5. openConnection(final String urlString)
6. openConnection(final URL url, final String requestMethod)
7. openConnection(String url, String method, String contentType, String ssic)