org.apache.axiom.util.activation
Class EmptyDataSource
java.lang.Object
org.apache.axiom.util.activation.EmptyDataSource
- All Implemented Interfaces:
- DataSource, SizeAwareDataSource
public class EmptyDataSource
- extends Object
- implements SizeAwareDataSource
A data source with empty (zero length) content.
Field Summary |
static EmptyDataSource |
INSTANCE
Empty data source instance with content type application/octet-stream. |
Constructor Summary |
EmptyDataSource(String contentType)
Construct an empty data source with the given content type. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
INSTANCE
public static final EmptyDataSource INSTANCE
- Empty data source instance with content type application/octet-stream.
EmptyDataSource
public EmptyDataSource(String contentType)
- Construct an empty data source with the given content type.
- Parameters:
contentType
- the content type
getContentType
public String getContentType()
- Specified by:
getContentType
in interface DataSource
getName
public String getName()
- Specified by:
getName
in interface DataSource
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
getInputStream
public InputStream getInputStream()
throws IOException
- Specified by:
getInputStream
in interface DataSource
- Throws:
IOException
getOutputStream
public OutputStream getOutputStream()
throws IOException
- Specified by:
getOutputStream
in interface DataSource
- Throws:
IOException
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