1. /*

  2.  * @(#)TaggedComponentFactoryFinder.java	1.15 03/01/23

  3.  *

  4.  * Copyright 2003 Sun Microsystems, Inc. All rights reserved.

  5.  * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.

  6.  */

  7. 

  8. //Source file: J:/ws/serveractivation/src/share/classes/com.sun.corba.se.internal.ior/TaggedComponentFactoryFinder.java

  9. 

  10. package com.sun.corba.se.internal.ior;

  11. 

  12. import java.util.HashMap;

  13. 

  14. import com.sun.corba.se.internal.ior.IdEncapsulationFactory ;

  15. import com.sun.corba.se.internal.ior.IdEncapsulation ;

  16. import com.sun.corba.se.internal.ior.GenericTaggedComponent ;

  17. import com.sun.corba.se.internal.corba.EncapsOutputStream ;

  18. import org.omg.CORBA_2_3.portable.InputStream ;

  19. import org.omg.CORBA.ORB ;

  20. 

  21. /**

  22.  * @author 

  23.  */

  24. public class TaggedComponentFactoryFinder implements 

  25.     IdEncapsulationFactoryFinder

  26. {

  27.     private HashMap map;

  28. 

  29.     // initialize-on-demand holder

  30.     private static class TaggedComponentFactoryFinderHolder {

  31. 	static TaggedComponentFactoryFinder value = 

  32. 	    new TaggedComponentFactoryFinder() ;

  33.     }

  34. 

  35.     public static TaggedComponentFactoryFinder getFinder() 

  36.     {

  37. 	return TaggedComponentFactoryFinderHolder.value ;

  38.     }

  39. 

  40.     /**

  41.      * @return 

  42.      * @exception 

  43.      * @author 

  44.      * @roseuid 391098510095

  45.      */

  46.     private TaggedComponentFactoryFinder() 

  47.     {

  48. 	map = new HashMap() ;

  49.     }

  50.     

  51.     /**

  52.      * @param arg0

  53.      * @param arg1

  54.      * @return IdEncapsulation

  55.      * @exception 

  56.      * @author 

  57.      * @roseuid 3910985100A9

  58.      */

  59.     public IdEncapsulation create(int id, InputStream is) 

  60.     {

  61. 	IdEncapsulationFactory factory = getFactory( id ) ;

  62. 

  63. 	if (factory != null)

  64. 	    return factory.create( id, is ) ;

  65. 	else 

  66. 	    return new GenericTaggedComponent( id, is ) ;

  67.     }

  68.     

  69.     public TaggedComponent create( ORB orb,

  70. 	org.omg.IOP.TaggedComponent comp )

  71.     {

  72. 	EncapsOutputStream os = new EncapsOutputStream( orb ) ;

  73. 	org.omg.IOP.TaggedComponentHelper.write( os, comp ) ;

  74. 	InputStream is = (InputStream)(os.create_input_stream() ) ;

  75. 	// Skip the component ID: we just wrote it out above

  76. 	is.read_ulong() ;

  77. 

  78. 	return (TaggedComponent)create( comp.tag, is ) ;

  79.     }

  80. 

  81.     /**

  82.      * @param arg0

  83.      * @return IdEncapsulationFactory

  84.      * @exception 

  85.      * @author 

  86.      * @roseuid 3910985100BD

  87.      */

  88.     private IdEncapsulationFactory getFactory(int id) 

  89.     {

  90. 	Integer ident = new Integer( id ) ;

  91. 	IdEncapsulationFactory factory = (IdEncapsulationFactory)(map.get( 

  92. 	    ident ) ) ;

  93. 	return factory ;

  94.     }

  95.     

  96.     /**

  97.      * @param arg0

  98.      * @param arg1

  99.      * @return void

  100.      * @exception 

  101.      * @author 

  102.      * @roseuid 3910985100BF

  103.      */

  104.     public void registerFactory(int id, 

  105. 	IdEncapsulationFactory factory) 

  106.     {

  107. 	Integer ident = new Integer( id ) ;

  108. 	map.put( ident, factory ) ;

  109.     }

  110. }