uk.ac.ed.epcc.webapp.model.data.stream

Class ByteArrayStreamData

java.lang.Object

uk.ac.ed.epcc.webapp.model.data.stream.ByteArrayStreamData

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, StreamData

Direct Known Subclasses:

ByteArrayMimeStreamData

public class ByteArrayStreamData
extends java.lang.Object
implements StreamData, java.io.Externalizable

Implements StreamData holding the data locally in memory. The Object starts empty and setDataStream must be used to initialise the contents.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ByteArrayStreamData()
ByteArrayStreamData(byte[] dat)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
byte[]	getBytes()
java.io.InputStream	getInputStream() get an InputStream to read the state of the obect
long	getLength() get the size of data held in the object
java.io.OutputStream	getOutputStream() Get an OutputStream used to modify the state of the object
int	hashCode()
void	readExternal(java.io.ObjectInput in)
java.lang.String	toString()
void	writeExternal(java.io.ObjectOutput out)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface uk.ac.ed.epcc.webapp.model.data.stream.StreamData

append, read, write

Constructor Detail

ByteArrayStreamData

public ByteArrayStreamData()

ByteArrayStreamData

public ByteArrayStreamData(byte[] dat)
                    throws DataFault

Throws:

DataFault

Method Detail

getLength

public long getLength()

Description copied from interface: StreamData

get the size of data held in the object

Specified by:

getLength in interface StreamData

Returns:

long size of current data

getBytes

public byte[] getBytes()

getInputStream

public java.io.InputStream getInputStream()

Description copied from interface: StreamData

get an InputStream to read the state of the obect

Specified by:

getInputStream in interface StreamData

Returns:

InputStream

getOutputStream

public java.io.OutputStream getOutputStream()

Description copied from interface: StreamData

Get an OutputStream used to modify the state of the object

Specified by:

getOutputStream in interface StreamData

Returns:

OutPutStream

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Specified by:

writeExternal in interface java.io.Externalizable

Throws:

java.io.IOException

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Specified by:

readExternal in interface java.io.Externalizable

Throws:

java.io.IOException

java.lang.ClassNotFoundException