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java.lang.Objectjava.io.InputStream
edu.emory.mathcs.util.io.Base64Decoder
Input stream that decodes from base64 on-the-fly, that is, it converts base64-encoded character stream into a decoded byte stream. It also offers static methods for offline decoding, that is, converting base64-encoded strings into byte arrays.
Constructor Summary | |
Base64Decoder(java.io.Reader in)
Creates a new base64 decoder that reads character from a specified reader. |
Method Summary | |
void |
close()
|
static byte[] |
decode(java.lang.String base64encoded)
Decodes a base64-encoded string into a byte array. |
static void |
decode(java.lang.String base64encoded,
byte[] buf)
Decodes a base64-encoded string and write the result to the specified byte array. |
static void |
decode(java.lang.String base64encoded,
byte[] buf,
int off)
Decodes a base64-encoded string and write the result to the specified byte array at the given offset. |
int |
read()
|
int |
read(byte[] buf,
int off,
int len)
|
Methods inherited from class java.io.InputStream |
available, mark, markSupported, read, reset, skip |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public Base64Decoder(java.io.Reader in)
in
- the reader to read fromMethod Detail |
public int read(byte[] buf, int off, int len) throws java.io.IOException
java.io.IOException
public int read() throws java.io.IOException
java.io.IOException
public void close() throws java.io.IOException
java.io.IOException
public static byte[] decode(java.lang.String base64encoded) throws java.lang.IllegalArgumentException
base64encoded
- the string to decode
java.lang.IllegalArgumentException
- if the string is not valid base64public static void decode(java.lang.String base64encoded, byte[] buf) throws java.lang.IllegalArgumentException
base64encoded
- the string to decodebuf
- the array to write to
java.lang.IllegalArgumentException
- if the string is not valid base64public static void decode(java.lang.String base64encoded, byte[] buf, int off)
base64encoded
- the string to decodebuf
- the array to write tooff
- the offset to start writing at
java.lang.IllegalArgumentException
- if the string is not valid base64
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