org.apache.axiom.attachments
Class CachedFileDataSource

java.lang.Object
  extended by javax.activation.FileDataSource
      extended by org.apache.axiom.attachments.CachedFileDataSource
All Implemented Interfaces:
DataSource, SizeAwareDataSource

public class CachedFileDataSource
extends FileDataSource
implements SizeAwareDataSource


Constructor Summary
CachedFileDataSource(File file)
           
 
Method Summary
 String getContentType()
           
 long getSize()
          Get the size of the data source.
 void setContentType(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(File file)
Method Detail

getContentType

public String getContentType()
Specified by:
getContentType in interface DataSource
Overrides:
getContentType in class FileDataSource

setContentType

public void setContentType(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


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