org.apache.axiom.attachments
Class CachedFileDataSource

java.lang.Object
  javax.activation.FileDataSource
      org.apache.axiom.attachments.CachedFileDataSource

All Implemented Interfaces:

javax.activation.DataSource, SizeAwareDataSource

public class CachedFileDataSource
extends javax.activation.FileDataSource
implements SizeAwareDataSource

Constructor Summary

CachedFileDataSource(java.io.File file)

Method Summary

java.lang.String	getContentType()
long	getSize() Get the size of the data source.
void	setContentType(java.lang.String contentType)

Methods inherited from class javax.activation.FileDataSource

getFile, getInputStream, getName, getOutputStream, setFileTypeMap

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.activation.DataSource

getInputStream, getName, getOutputStream

Constructor Detail

CachedFileDataSource

public CachedFileDataSource(java.io.File file)

Method Detail

getContentType

public java.lang.String getContentType()

Specified by:

getContentType in interface javax.activation.DataSource

Overrides:

getContentType in class javax.activation.FileDataSource

setContentType

public void setContentType(java.lang.String contentType)

getSize

public long getSize()

Description copied from interface: SizeAwareDataSource

Get the size of the data source. Implementations must return the number of bytes that can be read from the input stream returned by DataSource.getInputStream() before reaching the end of the stream. If the implementation is unable to determine the size, it must return -1.

Specified by:

getSize in interface SizeAwareDataSource

Returns:

the size of the data source or -1 if the size is not known