Package org.apache.axiom.attachments
Class CachedFileDataSource
- java.lang.Object
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- javax.activation.FileDataSource
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- org.apache.axiom.attachments.CachedFileDataSource
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- All Implemented Interfaces:
DataSource
,SizeAwareDataSource
public class CachedFileDataSource extends FileDataSource implements SizeAwareDataSource
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Constructor Summary
Constructors Constructor Description CachedFileDataSource(File file)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description String
getContentType()
long
getSize()
Get the size of the data source.void
setContentType(String contentType)
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Methods inherited from class javax.activation.FileDataSource
getFile, getInputStream, getName, getOutputStream, setFileTypeMap
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface javax.activation.DataSource
getInputStream, getName, getOutputStream
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Constructor Detail
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CachedFileDataSource
public CachedFileDataSource(File file)
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Method Detail
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getContentType
public String getContentType()
- Specified by:
getContentType
in interfaceDataSource
- Overrides:
getContentType
in classFileDataSource
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setContentType
public void setContentType(String contentType)
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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 byDataSource.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 interfaceSizeAwareDataSource
- Returns:
- the size of the data source or -1 if the size is not known
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