public class BCodec extends RFC1522Codec implements StringEncoder, StringDecoder
RFC 1522 describes techniques to allow the encoding of non-ASCII text in various portions of a RFC 822 [2] message header, in a manner which is unlikely to confuse existing message handling software.
This class is immutable and thread-safe.
Modifier and Type | Field and Description |
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private Charset |
charset
The default charset used for string decoding and encoding.
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POSTFIX, PREFIX, SEP
Constructor and Description |
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BCodec()
Default constructor.
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BCodec(Charset charset)
Constructor which allows for the selection of a default charset
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BCodec(String charsetName)
Constructor which allows for the selection of a default charset
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Modifier and Type | Method and Description |
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Object |
decode(Object value)
Decodes a Base64 object into its original form.
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String |
decode(String value)
Decodes a Base64 string into its original form.
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protected byte[] |
doDecoding(byte[] bytes)
Decodes an array of bytes using the defined encoding scheme.
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protected byte[] |
doEncoding(byte[] bytes)
Encodes an array of bytes using the defined encoding scheme.
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Object |
encode(Object value)
Encodes an object into its Base64 form using the default charset.
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String |
encode(String value)
Encodes a string into its Base64 form using the default charset.
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String |
encode(String value,
Charset charset)
Encodes a string into its Base64 form using the specified charset.
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String |
encode(String value,
String charset)
Encodes a string into its Base64 form using the specified charset.
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Charset |
getCharset()
Gets the default charset name used for string decoding and encoding.
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String |
getDefaultCharset()
Gets the default charset name used for string decoding and encoding.
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protected String |
getEncoding()
Returns the codec name (referred to as encoding in the RFC 1522).
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decodeText, encodeText, encodeText
public BCodec()
public BCodec(Charset charset)
charset
- the default string charset to use.public BCodec(String charsetName)
charsetName
- the default charset to use.UnsupportedCharsetException
- If the named charset is unavailableprotected String getEncoding()
RFC1522Codec
getEncoding
in class RFC1522Codec
protected byte[] doEncoding(byte[] bytes)
RFC1522Codec
doEncoding
in class RFC1522Codec
bytes
- Data to be encodedprotected byte[] doDecoding(byte[] bytes)
RFC1522Codec
doDecoding
in class RFC1522Codec
bytes
- Data to be decodedpublic String encode(String value, Charset charset) throws EncoderException
value
- string to convert to Base64 formcharset
- the charset for value
EncoderException
- thrown if a failure condition is encountered during the encoding process.public String encode(String value, String charset) throws EncoderException
value
- string to convert to Base64 formcharset
- the charset for value
EncoderException
- thrown if a failure condition is encountered during the encoding process.public String encode(String value) throws EncoderException
encode
in interface StringEncoder
value
- string to convert to Base64 formEncoderException
- thrown if a failure condition is encountered during the encoding process.public String decode(String value) throws DecoderException
decode
in interface StringDecoder
value
- Base64 string to convert into its original formDecoderException
- A decoder exception is thrown if a failure condition is encountered during the decode process.public Object encode(Object value) throws EncoderException
encode
in interface Encoder
value
- object to convert to Base64 formEncoderException
- thrown if a failure condition is encountered during the encoding process.public Object decode(Object value) throws DecoderException
decode
in interface Decoder
value
- Base64 object to convert into its original formDecoderException
- Thrown if the argument is not a String
. Thrown if a failure condition is encountered
during the decode process.public Charset getCharset()
public String getDefaultCharset()
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