Java Encode encodeHttpHeaderValueAsUTF8(String text)

Description

encode Http Header Value As UTF

License

Open Source License

Declaration

public static String encodeHttpHeaderValueAsUTF8(String text) 

Method Source Code

//package com.java2s;
/*/*from w w w .  j  a v a 2 s.  c o m*/
 * $Id$
 *
 * This is a program for Language Grid Core Node. This combines multiple language resources and provides composite language services.
 * Copyright (C) 2005-2008 NICT Language Grid Project.
 *
 * This program is free software: you can redistribute it and/or modify it 
 * under the terms of the GNU Lesser General Public License as published by 
 * the Free Software Foundation, either version 2.1 of the License, or (at 
 * your option) any later version.
 *
 * This program 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 Lesser 
 * General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License 
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

import java.io.UnsupportedEncodingException;

public class Main {
    /**
     * 
     * 
     */
    public static String encodeHttpHeaderValueAsUTF8(String text) {
        try {
            StringBuilder b = new StringBuilder();
            for (char c : text.toCharArray()) {
                if (0x20 <= c && c != '%' && c != '+' && c <= 0x7e) {
                    b.append(c);
                } else {
                    byte[] bytes = new String(new char[] { c }).getBytes("UTF-8");
                    for (byte by : bytes) {
                        b.append('%');
                        b.append(String.format("%02X", by));
                    }
                }
            }
            return b.toString();
        } catch (UnsupportedEncodingException e) {
            throw new RuntimeException(e);
        }
    }
}

Related

1. encodeForFilter(final String filterString)
2. encodeForString(String str)
3. encodeGoomojiSubject(String subject)
4. encodeHeaderValue(String headerName, String headerValue)
5. encodeHTML(String input, boolean reduceToASCII, boolean useHTMLTags)
6. encodeImage(String sourceImagePath)
7. encodeInt(long value)
8. encodeKeyForFileSystemName(String originalKey)
9. encodeObject(final Object object)