NameComponentHelper.java 4.1 KB

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  1. /* NameComponentHelper.java --
  2. Copyright (C) 2005, 2006 Free Software Foundation, Inc.
  3. This file is part of GNU Classpath.
  4. GNU Classpath is free software; you can redistribute it and/or modify
  5. it under the terms of the GNU General Public License as published by
  6. the Free Software Foundation; either version 2, or (at your option)
  7. any later version.
  8. GNU Classpath is distributed in the hope that it will be useful, but
  9. WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. General Public License for more details.
  12. You should have received a copy of the GNU General Public License
  13. along with GNU Classpath; see the file COPYING. If not, write to the
  14. Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  15. 02110-1301 USA.
  16. Linking this library statically or dynamically with other modules is
  17. making a combined work based on this library. Thus, the terms and
  18. conditions of the GNU General Public License cover the whole
  19. combination.
  20. As a special exception, the copyright holders of this library give you
  21. permission to link this library with independent modules to produce an
  22. executable, regardless of the license terms of these independent
  23. modules, and to copy and distribute the resulting executable under
  24. terms of your choice, provided that you also meet, for each linked
  25. independent module, the terms and conditions of the license of that
  26. module. An independent module is a module which is not derived from
  27. or based on this library. If you modify this library, you may extend
  28. this exception to your version of the library, but you are not
  29. obligated to do so. If you do not wish to do so, delete this
  30. exception statement from your version. */
  31. package org.omg.CosNaming;
  32. import gnu.CORBA.Minor;
  33. import gnu.CORBA.OrbRestricted;
  34. import org.omg.CORBA.Any;
  35. import org.omg.CORBA.BAD_OPERATION;
  36. import org.omg.CORBA.ORB;
  37. import org.omg.CORBA.StructMember;
  38. import org.omg.CORBA.TypeCode;
  39. import org.omg.CORBA.portable.InputStream;
  40. import org.omg.CORBA.portable.OutputStream;
  41. /**
  42. * A helper classes for the name component.
  43. *
  44. * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  45. */
  46. public abstract class NameComponentHelper
  47. {
  48. /**
  49. * A {@link NameComponent} repository id.
  50. */
  51. private static String _id = "IDL:omg.org/CosNaming/NameComponent:1.0";
  52. /**
  53. * Extract the name component from this {@link Any}
  54. */
  55. public static NameComponent extract(Any a)
  56. {
  57. try
  58. {
  59. return ((NameComponentHolder) a.extract_Streamable()).value;
  60. }
  61. catch (ClassCastException ex)
  62. {
  63. BAD_OPERATION bad = new BAD_OPERATION("Name component expected");
  64. bad.initCause(ex);
  65. bad.minor = Minor.Any;
  66. throw bad;
  67. }
  68. }
  69. /**
  70. * Get the repository Id of the {@link NameComponent}.
  71. * @return "IDL:omg.org/CosNaming/NameComponent:1.0"
  72. */
  73. public static String id()
  74. {
  75. return _id;
  76. }
  77. /**
  78. * Insert the name compnent into the given {@link Any}.
  79. */
  80. public static void insert(Any a, NameComponent that)
  81. {
  82. a.insert_Streamable(new NameComponentHolder(that));
  83. }
  84. /**
  85. * Read the name component from the given CDR input stream.
  86. */
  87. public static NameComponent read(InputStream istream)
  88. {
  89. NameComponent value = new NameComponent();
  90. value.id = istream.read_string();
  91. value.kind = istream.read_string();
  92. return value;
  93. }
  94. /**
  95. * Get the type code of the named component.
  96. */
  97. public static TypeCode type()
  98. {
  99. ORB orb = OrbRestricted.Singleton;
  100. StructMember[] members = new StructMember[ 2 ];
  101. TypeCode member;
  102. member = orb.create_string_tc(0);
  103. members [ 0 ] = new StructMember("id", member, null);
  104. member = orb.create_string_tc(0);
  105. members [ 1 ] = new StructMember("kind", member, null);
  106. return
  107. orb.create_struct_tc(NameComponentHelper.id(), "NameComponent",
  108. members
  109. );
  110. }
  111. /**
  112. * Write the named component into the CDR output stream.
  113. */
  114. public static void write(OutputStream ostream, NameComponent value)
  115. {
  116. ostream.write_string(value.id);
  117. ostream.write_string(value.kind);
  118. }
  119. }