Package org.apache.http.nio
Interface FileContentEncoder
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- All Superinterfaces:
ContentEncoder
- All Known Implementing Classes:
IdentityEncoder
,LengthDelimitedEncoder
public interface FileContentEncoder extends ContentEncoder
A content encoder capable of transferring data directly from aFileChannel
- Since:
- 4.0
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description long
transfer(java.nio.channels.FileChannel src, long position, long count)
Transfers a portion of entity content from the given file channel to the underlying network channel.-
Methods inherited from interface org.apache.http.nio.ContentEncoder
complete, isCompleted, write
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Method Detail
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transfer
long transfer(java.nio.channels.FileChannel src, long position, long count) throws java.io.IOException
Transfers a portion of entity content from the given file channel to the underlying network channel.- Parameters:
src
- the source FileChannel to transfer data from.position
- The position within the file at which the transfer is to begin; must be non-negativecount
- The maximum number of bytes to be transferred; must be non-negative- Returns:
- The number of bytes, possibly zero, that were actually transferred
- Throws:
java.io.IOException
- if some I/O error occurs.
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