Package org.apache.axiom.ext.io
Interface ReadFromSupport
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- All Known Implementing Classes:
MemoryBlobOutputStream
public interface ReadFromSupport
Optional interface implemented byOutputStream
implementations that support transferring data from anInputStream
. This interface may be used to avoid allocating a temporary buffer when there is a need to copy data from an input stream to an output stream.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description long
readFrom(InputStream inputStream, long length)
Read data from the given input stream and write it to this output stream.
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Method Detail
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readFrom
long readFrom(InputStream inputStream, long length) throws StreamCopyException
Read data from the given input stream and write it to this output stream. The method transfers data until one of the following conditions is met:- The end of the input stream is reached.
- The value of the
length
argument is different from-1
and the number of bytes transferred is equal tolength
.
- Parameters:
inputStream
- An input stream to read data from. This method will not close the stream.length
- the number of bytes to transfer, or-1
if the method should transfer data until the end of the input stream is reached- Returns:
- the number of bytes transferred
- Throws:
StreamCopyException
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