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

Field Summary

Fields

Modifier and Type	Field and Description
private static AttachmentCacheMonitor	acm
private java.lang.String	cachedFileName
(package private) java.lang.String	contentType
private static org.apache.commons.logging.Log	log

Constructor Summary

Constructors

Constructor and Description
CachedFileDataSource(java.io.File file)

Method Summary

Modifier and Type	Method and Description
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

Field Detail

log

private static final org.apache.commons.logging.Log log

contentType

java.lang.String contentType

acm

private static AttachmentCacheMonitor acm

cachedFileName

private java.lang.String cachedFileName

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