检查JMF的版本

/* *
 * Query for the particular version of JMF.
  */
public   interface  QueryJMF
{
     public   static  final String NATIVE  =   " Native Libraries Found\n " ;
     public   static  final String NONATIVE  =   " Native Libraries Not Found\n " ;

     public   abstract  String getVersion();
     public   abstract  String getDetails();
}

/* *
 * Check for version JMF 1.0.
  */
public   class  QueryJMF10 implements QueryJMF
{
     public  String getVersion()
    {
         return   " 1.0.2 " ;
    }
     public  String getDetails()
    {
        String  string   =   "" ;
         try
        {
            Class.forName( " com.sun.media.blitter.xlib.Blitter " );
             string   =   new  StringBuffer(String.valueOf( string )).append( " Solaris Build\n " ).toString();
        }
         catch  (Throwable throwable1)
        {
        }
         try
        {
            Class.forName( " com.sun.media.blitter.directx.Blitter " );
             string   =   new  StringBuffer(String.valueOf( string )).append( " Win32 Build\n " ).toString();
        }
         catch  (Throwable throwable2)
        {
        }
         try
        {
             // JMFSecurity.loadLibrary("jmindeo");
             string   =   new  StringBuffer(String.valueOf( string )).append( " Native Libraries Found\n " ).toString();
        }
         catch  (UnsatisfiedLinkError e)
        {
             string   =   new  StringBuffer(String.valueOf( string )).append( " Native Libraries Not Found\n " ).toString();
        }
         return   string ;
    }

     public  QueryJMF10()
    {
    }

     static  
    {
         try
        {
            Class.forName( " com.sun.media.renderer.video.VideoRenderer$CC " );
        }
         catch  (Throwable throwable)
        {
             throw   new  RuntimeException( " Not JMF 1.0.2 " );
        }
    }
}

/* *
 * Check for version JMF 1.1.
  */
public   class  QueryJMF11 implements QueryJMF
{
     public  String getVersion()
    {
         return   " 1.1 " ;
    }
     public  String getDetails()
    {
        String  string   =   "" ;
         try
        {
            Class.forName( " com.sun.media.blitter.xlib.Blitter " );
             string   =   new  StringBuffer(String.valueOf( string )).append( " Solaris Build\n " ).toString();
        }
         catch  (Throwable throwable1)
        {
        }
         try
        {
            Class.forName( " com.sun.media.blitter.directx.Blitter " );
             string   =   new  StringBuffer(String.valueOf( string )).append( " Win32 Build\n " ).toString();
        }
         catch  (Throwable throwable2)
        {
        }
         try
        {
             // JMFSecurity.loadLibrary("jmindeo");
             string   =   new  StringBuffer(String.valueOf( string )).append( " Native Libraries Found\n " ).toString();
        }
         catch  (UnsatisfiedLinkError e)
        {
             string   =   new  StringBuffer(String.valueOf( string )).append( " Native Libraries Not Found\n " ).toString();
        }
         return   string ;
    }

     public  QueryJMF11()
    {
    }
     static  
    {
         try
        {
            Class.forName( " com.sun.media.codec.video.h263.H263Decoder " );
        }
         catch  (Throwable throwable)
        {
             throw   new  RuntimeException( " Not JMF 1.1 " );
        }
    }
}

import com.sun.media.JMFSecurityManager;
import javax.media.Manager;


/* *
 * Check for version JMF 2.0.
  */
public   class  QueryJMF20 implements QueryJMF
{
     public  String getVersion()
    {
         return  Manager.getVersion();
    }

     public  String getDetails()
    {
        String  string   =   "" ;
         try
        {
            Class.forName( " com.sun.media.renderer.video.XILRenderer " );
             string   =   new  StringBuffer(String.valueOf( string )).append( " Solaris Build\n " ).toString();
        }
         catch  (Throwable throwable2)
        {
             try
            {
                Class.forName( " com.sun.media.protocol.vfw.DataSource " );
                 string   =   new  StringBuffer(String.valueOf( string )).append( " Win32 Build\n " ).toString();
            }
             catch  (Throwable throwable1)
            {
                 string   =   new  StringBuffer(String.valueOf( string )).append( " All Java Build\n " ).toString();
            }
        }
         try
        {
            JMFSecurityManager.loadLibrary( " jmutil " );
             string   =   new  StringBuffer(String.valueOf( string )).append( " Native Libraries Found\n " ).toString();
        }
         catch  (UnsatisfiedLinkError e)
        {
             string   =   new  StringBuffer(String.valueOf( string )).append( " Native Libraries Not Found\n " ).toString();
        }
         return   string ;
    }

     public  QueryJMF20()
    {
    }

     static  
    {
         try
        {
            Class.forName( " javax.media.Codec " );
        }
         catch  (Throwable throwable)
        {
             throw   new  RuntimeException( " Not JMF 2.0 " );
        }
    }
}