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java.lang.Object rabbit.httpio.FileResourceSource
public class FileResourceSource
A resource that comes from a file.
Field Summary | |
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protected BufferHandle |
bufHandle
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protected FileChannel |
fc
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Constructor Summary | |
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FileResourceSource(File f,
NioHandler nioHandler,
BufferHandler bufHandler)
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FileResourceSource(String filename,
NioHandler nioHandler,
BufferHandler bufHandler)
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Method Summary | |
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void |
addBlockListener(BlockListener listener)
Generally we do not come into this method, but it can happen.. |
long |
length()
Get the length of the resource in bytes. |
void |
release()
Release any held resources. |
boolean |
supportsTransfer()
FileChannels can be used, will always return true. |
long |
transferTo(long position,
long count,
WritableByteChannel target)
Transfers bytes from this channel's file to the given writable byte channel. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected FileChannel fc
protected BufferHandle bufHandle
Constructor Detail |
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public FileResourceSource(String filename, NioHandler nioHandler, BufferHandler bufHandler) throws IOException
IOException
public FileResourceSource(File f, NioHandler nioHandler, BufferHandler bufHandler) throws IOException
IOException
Method Detail |
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public boolean supportsTransfer()
supportsTransfer
in interface ResourceSource
public long length()
Transferable
length
in interface Transferable
public long transferTo(long position, long count, WritableByteChannel target) throws IOException
Transferable
transferTo
in interface Transferable
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-negativetarget
- The target channel
IOException
transferTo
public void addBlockListener(BlockListener listener)
addBlockListener
in interface ResourceSource
public void release()
ResourceSource
release
in interface ResourceSource
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