class BlobR extends InputStream
Modifier and Type | Field and Description |
---|---|
private Blob |
blob
Blob instance
|
private int |
pos
Read position, file pointer.
|
Constructor and Description |
---|
BlobR(Blob blob)
Contruct InputStream from blob instance.
|
Modifier and Type | Method and Description |
---|---|
int |
available()
Return number of available bytes for reading.
|
void |
close()
Close this blob InputStream.
|
void |
mark(int limit)
Mark method; dummy to satisfy InputStream class.
|
boolean |
markSupported()
Mark support; not for this class.
|
int |
read()
Read single byte from blob.
|
int |
read(byte[] b)
Read byte array from blob.
|
int |
read(byte[] b,
int off,
int len)
Read slice of byte array from blob.
|
void |
reset()
Reset method; dummy to satisfy InputStream class.
|
long |
skip(long n)
Skip over blob data.
|
private Blob blob
private int pos
BlobR(Blob blob)
blob
- blob to make input stream frompublic int available() throws IOException
available
in class InputStream
IOException
- on I/O errorpublic void close() throws IOException
close
in interface Closeable
close
in interface AutoCloseable
close
in class InputStream
IOException
- on I/O errorpublic void mark(int limit)
mark
in class InputStream
public boolean markSupported()
markSupported
in class InputStream
public int read() throws IOException
read
in class InputStream
IOException
- on I/O errorpublic int read(byte[] b) throws IOException
read
in class InputStream
b
- byte array to be filledIOException
- on I/O errorpublic int read(byte[] b, int off, int len) throws IOException
read
in class InputStream
b
- byte array to be filledoff
- offset into byte arraylen
- length to be readIOException
- on I/O errorpublic void reset() throws IOException
reset
in class InputStream
IOException
- on I/O errorpublic long skip(long n) throws IOException
skip
in class InputStream
n
- number of bytes to skipIOException
- on I/O errorContact: Christian Werner