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java.lang.Objectjava.io.InputStream
java.io.FilterInputStream
org.springframework.util.support.Base64.InputStream
public static class Base64.InputStream
A Base64.InputStream
will read data from another
java.io.InputStream, given in the constructor,
and encode/decode to/from Base64 notation on the fly.
Base64
Field Summary |
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Fields inherited from class java.io.FilterInputStream |
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in |
Constructor Summary | |
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Base64.InputStream(java.io.InputStream in)
Constructs a Base64.InputStream in DECODE mode. |
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Base64.InputStream(java.io.InputStream in,
int options)
Constructs a Base64.InputStream in
either ENCODE or DECODE mode. |
Method Summary | |
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int |
read()
Reads enough of the input stream to convert to/from Base64 and returns the next byte. |
int |
read(byte[] dest,
int off,
int len)
Calls read() repeatedly until the end of stream
is reached or len bytes are read. |
Methods inherited from class java.io.FilterInputStream |
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available, close, mark, markSupported, read, reset, skip |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Base64.InputStream(java.io.InputStream in)
Base64.InputStream
in DECODE mode.
in
- the java.io.InputStream from which to read data.public Base64.InputStream(java.io.InputStream in, int options)
Base64.InputStream
in
either ENCODE or DECODE mode.
Valid options:
ENCODE or DECODE: Encode or Decode as data is read. DO_BREAK_LINES: break lines at 76 characters (only meaningful when encoding)
Example: new Base64.InputStream( in, Base64.DECODE )
in
- the java.io.InputStream from which to read data.options
- Specified optionsBase64.ENCODE
,
Base64.DECODE
,
Base64.DO_BREAK_LINES
Method Detail |
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public int read() throws java.io.IOException
read
in class java.io.FilterInputStream
java.io.IOException
public int read(byte[] dest, int off, int len) throws java.io.IOException
read()
repeatedly until the end of stream
is reached or len bytes are read.
Returns number of bytes read into array or -1 if
end of stream is encountered.
read
in class java.io.FilterInputStream
dest
- array to hold valuesoff
- offset for arraylen
- max number of bytes to read into array
java.io.IOException
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