javax.tv.service.navigation.CAIdentification Maven / Gradle / Ivy
/**
This is not an official specification document, and usage is restricted.
NOTICE
(c) 2005-2008 Sun Microsystems, Inc. All Rights Reserved.
Neither this file nor any files generated from it describe a complete
specification, and they may only be used as described below.
Sun Microsystems Inc. owns the copyright in this file and it is provided
to you for informative use only. For example,
this file and any files generated from it may be used to generate other documentation,
such as a unified set of documents of API signatures for a platform
that includes technologies expressed as Java APIs.
This file may also be used to produce "compilation stubs,"
which allow applications to be compiled and validated for such platforms.
By contrast, no permission is given for you to incorporate this file,
in whole or in part, in an implementation of a Java specification.
Any work generated from this file, such as unified javadocs or compiled
stub files, must be accompanied by this notice in its entirety.
This work corresponds to the API signatures of JSR 927: Java TV API 1.1.1.
In the event of a discrepency between this work and the JSR 927 specification,
which is available at http://www.jcp.org/en/jsr/detail?id=927, the latter takes precedence.
*/
package javax.tv.service.navigation;
/**
* This interface associates information related to
* the conditional access (CA) subsystem with certain SI objects.
*
* @see ServiceDetails
* @see javax.tv.service.guide.ProgramEvent
* @see javax.tv.service.transport.Bouquet
*/
public interface CAIdentification
{
/**
* Returns an array of CA System IDs associated with this object. This
* information may be obtained from the CAT MPEG message or a system
* specific conditional access descriptor (such as defined by Simulcrypt
* or ATSC).
*
* @return An array of CA System IDs. An empty array is returned when no
* CA System IDs are available.
*/
public int[] getCASystemIDs();
/**
* Provides information concerning conditional access of this object.
*
* @return true if this Service is not protected by a
* conditional access; false if one or more components
* is protected by conditional access.
*/
public boolean isFree();
}