javax.media.protocol
Interface Controls

All Known Subinterfaces:

PullSourceStream, PushSourceStream, SourceStream

All Known Implementing Classes:

DataSource, DripFeedDataSource, PullDataSource, PushDataSource, URLDataSource

public interface Controls

Controls provides an interface for obtaining objects by interface or class name. This is useful in the case where support for a particular interface cannot be determined at runtime, or where a different object is required to implement the behavior. The object returned from getControl is assumed to control the object that getControl was invoked on.

Version:

1.4, 97/08/28.

Method Summary

Object	getControl(String controlType) Obtain the object that implements the specified Class or Interface The full class or interface name must be used.
Object[]	getControls() Obtain the collection of objects that control the object that implements this interface.

Method Detail

getControls

Object[] getControls()

Obtain the collection of objects that control the object that implements this interface.

If no controls are supported, a zero length array is returned.

Returns:

the collection of object controls

getControl

Object getControl(String controlType)

Obtain the object that implements the specified Class or Interface The full class or interface name must be used.

If the control is not supported then null is returned.

Returns:

the object that implements the control, or null.