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package org.havi.ui;

/*
 * Copyright 2000-2003 by HAVi, Inc. Java is a trademark of Sun
 * Microsystems, Inc. All rights reserved.  
 */

/**
 * The HVersion interface defines some
 * versioning constants that are accessible by using the
 * java.lang.System method getProperty, with the appropriate property
 * name.
 * 
 * Note that it is a valid implementation to return empty strings for
 * HAVI_IMPLEMENTATION_NAME, HAVI_IMPLEMENTATION_VENDOR and
 * HAVI_IMPLEMENTATION_VERSION strings.
 * 

 * In MHP, a call to getProperty() when referencing the
 * constants listed in column Constant in the table below
 * shall return a string as listed in column Value.
 * 
 *   
 *   
 *       
 *   
 *       
 *   
 *       
 * Constant Value
HAVI_SPECIFICATION_VENDOR "DVB"
HAVI_SPECIFICATION_NAME "MHP"
HAVI_SPECIFICATION_VERSION "<version>"
 * "<version>" shall be the MHP version to which this
 * HAVi implementation is conformant, e.g.: "1.0" or
 * "1.0.1" or "1.0.2" or "1.0.3".
 */

public interface HVersion 
{
    /** 
     * A string constant describing the HAVi specification vendor, as
     * returned via
     * java.lang.System.getProperty(HVersion.HAVI_SPECIFICATION_VENDOR).  
     */
    public static final String HAVI_SPECIFICATION_VENDOR = 
      "havi.specification.vendor";

    /** 
     * A string constant describing the HAVi specification name, as
     * returned via
     * java.lang.System.getProperty(HVersion.HAVI_SPECIFICATION_NAME).
     */
    public static final String HAVI_SPECIFICATION_NAME = 
      "havi.specification.name";

        
    /** 
     * A string constant describing the HAVi specification version, as
     * returned via
     * java.lang.System.getProperty(HVersion.HAVI_SPECIFICATION_VERSION).
     */
    public static final String HAVI_SPECIFICATION_VERSION = 
      "havi.specification.version";

    /** 
     * A string constant describing the HAVi implementation vendor, as
     * returned via
     * java.lang.System.getProperty(HVersion.HAVI_IMPLEMENTATION_VENDOR).
     */
    public static final String HAVI_IMPLEMENTATION_VENDOR = 
      "havi.implementation.vendor"; 
        
    /** 
     * A string constant describing the HAVi implementation version,
     * as returned via
     * java.lang.System.getProperty(HVersion.HAVI_IMPLEMENTATION_VERSION).
     */
    public static final String HAVI_IMPLEMENTATION_VERSION = 
      "havi.implementation.version"; 
        
    /** 
     * A string constant describing the HAVi implementation name, as
     * returned via
     * java.lang.System.getProperty(HVersion.HAVI_IMPLEMENTATION_NAME).
     */
    public static final String HAVI_IMPLEMENTATION_NAME = 
      "havi.implementation.name"; 

}
Constant	Value
HAVI_SPECIFICATION_VENDOR	"DVB"
HAVI_SPECIFICATION_NAME	"MHP"
HAVI_SPECIFICATION_VERSION	"<version>"