org.jboss.shrinkwrap.api.nio.file

Class MemoryAsset

java.lang.Object

org.jboss.shrinkwrap.api.nio.file.MemoryAsset

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.nio.channels.ByteChannel, java.nio.channels.Channel, java.nio.channels.ReadableByteChannel, java.nio.channels.SeekableByteChannel, java.nio.channels.WritableByteChannel, Asset

Direct Known Subclasses:

MemoryNamedAsset

public class MemoryAsset
extends java.lang.Object
implements Asset, java.nio.channels.SeekableByteChannel

An Asset implementation backed by an internal memory representation; able to be directly added to an Archive, and supports all operations designated by the NIO.2 SeekableByteChannel API. Thread-safe.

Field Summary

Fields

Modifier and Type	Field and Description
private SeekableInMemoryByteChannel	delegate

Constructor Summary

Constructors

Constructor and Description
MemoryAsset() Creates a new instance with internal memory buffer initially sized at 0 and at position 0, capable of holding a maximum of Integer.MAX_VALUE bytes.
MemoryAsset(SeekableInMemoryByteChannel delegate) Creates a new instance with internal memory buffer delegate using the specified (required) SeekableInMemoryByteChannel

Method Summary

Modifier and Type	Method and Description
void	close()
boolean	isOpen()
java.io.InputStream	openStream() Get a input stream for the resource content.
long	position()
java.nio.channels.SeekableByteChannel	position(long newPosition)
int	read(java.nio.ByteBuffer dst)
long	size()
java.nio.channels.SeekableByteChannel	truncate(long size)
int	write(java.nio.ByteBuffer src)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

delegate

private final SeekableInMemoryByteChannel delegate

Constructor Detail

MemoryAsset

public MemoryAsset()

Creates a new instance with internal memory buffer initially sized at 0 and at position 0, capable of holding a maximum of Integer.MAX_VALUE bytes.

MemoryAsset

MemoryAsset(SeekableInMemoryByteChannel delegate)
     throws java.lang.IllegalArgumentException

Creates a new instance with internal memory buffer delegate using the specified (required) SeekableInMemoryByteChannel

Parameters:

delegate -

Throws:

java.lang.IllegalArgumentException

Method Detail

isOpen

public boolean isOpen()

Specified by:

isOpen in interface java.nio.channels.Channel

Returns:

See Also:

Channel.isOpen()

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.nio.channels.Channel

Throws:

java.io.IOException

See Also:

Channel.close()

read

public int read(java.nio.ByteBuffer dst)
         throws java.io.IOException

Specified by:

read in interface java.nio.channels.ReadableByteChannel

Specified by:

read in interface java.nio.channels.SeekableByteChannel

Parameters:

dst -

Returns:

Throws:

java.io.IOException

See Also:

SeekableByteChannel.read(java.nio.ByteBuffer)

write

public int write(java.nio.ByteBuffer src)
          throws java.io.IOException

Specified by:

write in interface java.nio.channels.SeekableByteChannel

Specified by:

write in interface java.nio.channels.WritableByteChannel

Parameters:

src -

Returns:

Throws:

java.io.IOException

See Also:

SeekableByteChannel.write(java.nio.ByteBuffer)

position

public long position()
              throws java.io.IOException

Specified by:

position in interface java.nio.channels.SeekableByteChannel

Returns:

Throws:

java.io.IOException

See Also:

SeekableByteChannel.position()

position

public java.nio.channels.SeekableByteChannel position(long newPosition)
                                               throws java.io.IOException

Specified by:

position in interface java.nio.channels.SeekableByteChannel

Parameters:

newPosition -

Returns:

Throws:

java.io.IOException

See Also:

SeekableByteChannel.position(long)

size

public long size()
          throws java.io.IOException

Specified by:

size in interface java.nio.channels.SeekableByteChannel

Returns:

Throws:

java.io.IOException

See Also:

SeekableByteChannel.size()

truncate

public java.nio.channels.SeekableByteChannel truncate(long size)
                                               throws java.io.IOException

Specified by:

truncate in interface java.nio.channels.SeekableByteChannel

Parameters:

size -

Returns:

Throws:

java.io.IOException

See Also:

SeekableByteChannel.truncate(long)

openStream

public java.io.InputStream openStream()

Get a input stream for the resource content. The caller is responsible for closing the stream.

Specified by:

openStream in interface Asset

Returns:

A new open InputStream for each call

See Also:

Asset.openStream()