Package org.nuxeo.common.utils

Class RFC2231

java.lang.Object

org.nuxeo.common.utils.RFC2231

public class RFC2231
extends Object

RFC-2231 specifies how a MIME parameter value, like Content-Disposition's filename, can be encoded to contain arbitrary character sets.

Author:

Florent Guillaume

Method Summary

Modifier and Type	Method	Description
static String	encodeContentDisposition(String filename, boolean inline, String userAgent)	Encodes a Content-Disposition header.
protected static void	encodeRFC2231(StringBuilder sb, String value)	Encodes a MIME parameter per RFC 2231.
static void	percentEscape(StringBuilder sb, String value)	Does a simple %-escaping of the UTF-8 bytes of the value.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

percentEscape

public static void percentEscape(StringBuilder sb,
                                 String value)

Does a simple %-escaping of the UTF-8 bytes of the value. Keep only some know safe characters.

Parameters:

sb - the builder to which escaped chars are appended

value - the value to escape

encodeRFC2231

protected static void encodeRFC2231(StringBuilder sb,
                                    String value)

Encodes a MIME parameter per RFC 2231.

This implementation always uses UTF-8 and no language.

Parameters:

sb - the buffer to fill

value - the value to encode

encodeContentDisposition

public static String encodeContentDisposition(String filename,
                                              boolean inline,
                                              String userAgent)

Encodes a Content-Disposition header. For some user agents the full RFC-2231 encoding won't be performed as they don't understand it.

Parameters:

filename - the filename

inline - true for an inline disposition, false for an attachment

userAgent - the userAgent

Returns:

a full string to set as value of a Content-Disposition header