net.lecousin.framework.network.mime

Class MimeUtil

java.lang.Object

net.lecousin.framework.network.mime.MimeUtil

public final class MimeUtil
extends Object

Utility methods for MIME Messages.

Method Summary

Modifier and Type	Method and Description
static String	decodeRFC2047(String value) Decode a header content using RFC 2047, which specifies encoded word as follows: encoded-word = "=?" charset "?" encoding "?" encoded-text "?=".
static String	decodeRFC2047Word(String encodedWord) Decode a word based on RFC 2047 specification.
static String	encodeHeaderValue(String value, Charset charset) Encode a header parameter value, taking bytes in the given charset, and depending on its content it may be directly returned, it may use double-quote if needed or it may use the RFC 2047 encoding.
static String	encodeHeaderValueWithUTF8(String value) Encode a header parameter value, taking bytes in UTF-8, and depending on its content it may be directly returned, it may use double-quote or it may use the RFC 2047 encoding.
static String	encodeToken(String value) Encode a string into a token, which may need double quote according to RFC 7230.
static boolean	isValidTokenCharacter(byte c) Return true if the given byte is a valid token character according to RFC 7230.

Methods inherited from class java.lang.Object

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

Method Detail

decodeRFC2047

public static String decodeRFC2047(String value)
                            throws net.lecousin.framework.encoding.EncodingException,
                                   UnsupportedEncodingException

Decode a header content using RFC 2047, which specifies encoded word as follows: encoded-word = "=?" charset "?" encoding "?" encoded-text "?=".

Throws:

net.lecousin.framework.encoding.EncodingException

UnsupportedEncodingException

decodeRFC2047Word

public static String decodeRFC2047Word(String encodedWord)
                                throws net.lecousin.framework.encoding.EncodingException,
                                       UnsupportedEncodingException

Decode a word based on RFC 2047 specification.

Throws:

net.lecousin.framework.encoding.EncodingException

UnsupportedEncodingException

isValidTokenCharacter

public static boolean isValidTokenCharacter(byte c)

Return true if the given byte is a valid token character according to RFC 7230.

encodeToken

public static String encodeToken(String value)

Encode a string into a token, which may need double quote according to RFC 7230.

encodeHeaderValue

public static String encodeHeaderValue(String value,
                                       Charset charset)

Encode a header parameter value, taking bytes in the given charset, and depending on its content it may be directly returned, it may use double-quote if needed or it may use the RFC 2047 encoding.

encodeHeaderValueWithUTF8

public static String encodeHeaderValueWithUTF8(String value)

Encode a header parameter value, taking bytes in UTF-8, and depending on its content it may be directly returned, it may use double-quote or it may use the RFC 2047 encoding.