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An InputStream backed by data that can be shared by multiple readers. The users of such an InputStream can determine the current position in the InputStream, and create new InputStreams representing a subset of the data in the original InputStream. The new InputStream will access the same underlying data as the original, without copying the data in it.
Method Summary | |
long |
getPosition()
Returns the current position in the InputStream as an offset from the beginning of the InputStream. |
java.io.InputStream |
newStream(long start,
long end)
Returns a new InputStream representing a subset of the data from this InputStream, from start (inclusive) up to
end (exclusive). |
Method Detail |
public long getPosition()
public java.io.InputStream newStream(long start, long end)
start
(inclusive) up to
end
(exclusive). start
must be non-negative.
If end
is -1, the new stream ends at the same place
as this stream. The returned InputStream will also implement the
SharedInputStream interface.
start
- the start positionend
- the end position + 1
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