Java Charset Create getCharsetFromContentTypeString(String contentType)

Description

get Charset From Content Type String

License

Open Source License

Declaration

public static String getCharsetFromContentTypeString(String contentType) 

Method Source Code

//package com.java2s;

import java.nio.charset.Charset;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    public static String getCharsetFromContentTypeString(String contentType) {
        if (contentType != null) {
            String pattern = "charset=([a-z\\d\\-]*)";
            Matcher matcher = Pattern.compile(pattern, Pattern.CASE_INSENSITIVE).matcher(contentType);
            if (matcher.find()) {
                String charset = matcher.group(1);
                if (Charset.isSupported(charset)) {
                    return charset;
                }/*  w  w  w .  jav  a2s  .  co  m*/
            }
        }

        return null;
    }
}

Related

1. getCharset(String name)
2. getCharsetForSortOrder(final int sortOrder)
3. getCharsetFromContent(URL url)
4. getCharsetFromContentType(String contentType)
5. getCharsetFromContentType(String contentType)
6. getCharsetList(List availableCharsets, Charset actualCharset)
7. getCharsetName(String location)
8. getCharsetOrDefault(String charsetName)
9. getDefaultCharset()