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java.lang.Object java.io.InputStream java.io.FilterInputStream org.apache.commons.codec.binary.BaseNCodecInputStream
public class BaseNCodecInputStream
Abstract superclass for Base-N input streams.
Field Summary |
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Fields inherited from class java.io.FilterInputStream |
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in |
Constructor Summary | |
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protected |
BaseNCodecInputStream(InputStream in,
BaseNCodec baseNCodec,
boolean doEncode)
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Method Summary | |
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int |
available()
|
void |
mark(int readLimit)
Marks the current position in this input stream. |
boolean |
markSupported()
|
int |
read()
Reads one byte from this input stream. |
int |
read(byte[] b,
int offset,
int len)
Attempts to read len bytes into the specified b array starting at offset
from this InputStream. |
void |
reset()
Repositions this stream to the position at the time the mark method was last called on this input stream. |
long |
skip(long n)
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Methods inherited from class java.io.FilterInputStream |
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close, read |
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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protected BaseNCodecInputStream(InputStream in, BaseNCodec baseNCodec, boolean doEncode)
Method Detail |
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public int available() throws IOException
available
in class FilterInputStream
0
if the InputStream
has reached EOF
,
1
otherwise
IOException
public void mark(int readLimit)
The mark(int)
method of BaseNCodecInputStream
does nothing.
mark
in class FilterInputStream
readLimit
- the maximum limit of bytes that can be read before the mark position becomes invalid.public boolean markSupported()
markSupported
in class FilterInputStream
false
public int read() throws IOException
byte
from this input stream.
read
in class FilterInputStream
IOException
- if an I/O error occurs.public int read(byte[] b, int offset, int len) throws IOException
len
bytes into the specified b
array starting at offset
from this InputStream.
read
in class FilterInputStream
b
- destination byte arrayoffset
- where to start writing the byteslen
- maximum number of bytes to read
IOException
- if an I/O error occurs.
NullPointerException
- if the byte array parameter is null
IndexOutOfBoundsException
- if offset, len or buffer size are invalidpublic void reset() throws IOException
The reset()
method of BaseNCodecInputStream
does nothing except throw an IOException
.
reset
in class FilterInputStream
IOException
- if this method is invokedpublic long skip(long n) throws IOException
skip
in class FilterInputStream
IllegalArgumentException
- if the provided skip length is negative
IOException
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