All Superinterfaces:

DataSource

All Known Implementing Classes:

AbstractDataSource, ByteArrayDataSource, FilterDataSource, JAXBDataSource, ReaderWriterDataSource, TempFileDataSource, TextTable, ThrowableDataSource
```
public interface DataSourceDefaultMethods
extends DataSource
```
DataSource default method implementations.

Author:

Allen D. Ball

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`APPLICATION_OCTET_STREAM`	RFC2045 "application/octet-stream"
`static String`	`APPLICATION_XML`	RFC3023 "application/xml"
`static String`	`CONTENT_TYPE`	RFC2045 "Content-Type"
`static String`	`TEXT_HTML`	RFC2045 "text/html"
`static String`	`TEXT_PLAIN`	RFC2045 "text/plain"

Method Summary

All Methods Instance Methods Default Methods
Modifier and Type	Method	Description
`default void`	`clear()`	Method to clear the `DataSource` and discard any input on any open `getOutputStream()`.
`default InputStream`	`getInputStream()`
`default InputStream`	`getInputStream(Class<?>... types)`	Method to "wrap" the `InputStream` returned by `getInputStream()`into `InputStream` instances.
`default OutputStream`	`getOutputStream()`
`default OutputStream`	`getOutputStream(Class<?>... types)`	Method to "wrap" the `OutputStream` returned by `getOutputStream()`into `OutputStream` instances.
`default long`	`length()`	Method to get the number of bytes stored in `this` `DataSource`.
`default void`	`setContentType(String type)`
`default void`	`setName(String name)`
`default InputStream`	`wrap(InputStream in, Class<?>... types)`	Method to "wrap" an `InputStream` into `InputStream` instances.
`default OutputStream`	`wrap(OutputStream out, Class<?>... types)`	Method to "wrap" an `OutputStream` into `OutputStream` instances.

Methods inherited from interface javax.activation.DataSource
getContentType, getName

- Field Detail
  - CONTENT_TYPE
```
static final String CONTENT_TYPE
```
    RFC2045 "Content-Type"
    
    See Also:
    
    Constant Field Values
  - APPLICATION_OCTET_STREAM
```
static final String APPLICATION_OCTET_STREAM
```
    RFC2045 "application/octet-stream"
    
    See Also:
    
    Constant Field Values
  - APPLICATION_XML
```
static final String APPLICATION_XML
```
    RFC3023 "application/xml"
    
    See Also:
    
    Constant Field Values
  - TEXT_PLAIN
```
static final String TEXT_PLAIN
```
    RFC2045 "text/plain"
    
    See Also:
    
    Constant Field Values
  - TEXT_HTML
```
static final String TEXT_HTML
```
    RFC2045 "text/html"
    
    See Also:
    
    Constant Field Values
- Method Detail
  - setName
```
default void setName(String name)
```
  - setContentType
```
default void setContentType(String type)
```
  - getInputStream
```
default InputStream getInputStream()
                            throws IOException
```
    Specified by:
    
    getInputStream in interface DataSource
    
    Throws:
    
    UnsupportedOperationException - Unless overridden by subclass implementation.
    
    IOException
  - getOutputStream
```
default OutputStream getOutputStream()
                              throws IOException
```
    Specified by:
    
    getOutputStream in interface DataSource
    
    Throws:
    
    UnsupportedOperationException - Unless overridden by subclass implementation.
    
    IOException
  - clear
```
default void clear()
```
    Method to clear the DataSource and discard any input on any open getOutputStream().
    
    Throws:
    
    UnsupportedOperationException - If getOutputStream() throws UnsupportedOperationException.
  - length
```
default long length()
```
    Method to get the number of bytes stored in this DataSource. Default implementation returns -1.
    
    Returns:
    
    The number of bytes stored in this DataSource; -1 if the count is unknown.
  - getInputStream
```
default InputStream getInputStream(Class<?>... types)
                            throws IOException
```
    Method to "wrap" the InputStream returned by getInputStream()into InputStream instances.
    
    Parameters:
    
    types - The InputStream implementation Classes.
    
    Returns:
    
    The "wrapped" InputStream.
    
    Throws:
    
    IOException - If an I/O error occurs.
  - getOutputStream
```
default OutputStream getOutputStream(Class<?>... types)
                              throws IOException
```
    Method to "wrap" the OutputStream returned by getOutputStream()into OutputStream instances.
    
    Parameters:
    
    types - The OutputStream implementation Classes.
    
    Returns:
    
    The "wrapped" OutputStream.
    
    Throws:
    
    IOException - If an I/O error occurs.
  - wrap
```
default InputStream wrap(InputStream in,
                         Class<?>... types)
                  throws IOException
```
    Method to "wrap" an InputStream into InputStream instances.
    
    Parameters:
    
    in - The InputStream.
    
    types - The InputStream implementation Classes.
    
    Returns:
    
    The "wrapped" InputStream.
    
    Throws:
    
    IOException - If any of the wrapping streams throw an IOException.
  - wrap
```
default OutputStream wrap(OutputStream out,
                          Class<?>... types)
                   throws IOException
```
    Method to "wrap" an OutputStream into OutputStream instances.
    
    Parameters:
    
    out - The OutputStream.
    
    types - The OutputStream implementation Classes.
    
    Returns:
    
    The "wrapped" OutputStream.
    
    Throws:
    
    IOException - If any of the wrapping streams throw an IOException.

Interface DataSourceDefaultMethods

Field Summary

Method Summary

Methods inherited from interface javax.activation.DataSource

Field Detail

CONTENT_TYPE

APPLICATION_OCTET_STREAM

APPLICATION_XML

TEXT_PLAIN

TEXT_HTML

Method Detail

setName

setContentType

getInputStream

getOutputStream

clear

length

getInputStream

getOutputStream

wrap

wrap