/* NameHelper.java --
   Copyright (C) 2005, 2006 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
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As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
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package org.omg.CosNaming;

import gnu.CORBA.Minor;
import gnu.CORBA.OrbRestricted;

import org.omg.CORBA.Any;
import org.omg.CORBA.BAD_OPERATION;
import org.omg.CORBA.TypeCode;
import org.omg.CORBA.portable.InputStream;
import org.omg.CORBA.portable.OutputStream;

/**
 * The helper operations for the name that is defined as an array
 * of the name components. There is no java class, directly matching
 * the 'Name' IDL type.
 *
 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
 */
public abstract class NameHelper
{
  /**
   * The repository id of the Name.
   */
  private static String _id = "IDL:omg.org/CosNaming/Name:1.0";

  /**
   * Extract the Name the given {@link Any}.
   */
  public static NameComponent[] extract(Any a)
  {
    try
      {
        return ((NameHolder) a.extract_Streamable()).value;
      }
    catch (ClassCastException ex)
      {
        BAD_OPERATION bad = new BAD_OPERATION("Name expected");
        bad.initCause(ex);
        bad.minor = Minor.Any;        
        throw bad;
      }
  }

  /**
   * Get the Name repository Id.
   */
  public static String id()
  {
    return _id;
  }

  /**
   * Extract the Name from the given {@link Any}.
   */
  public static void insert(Any a, NameComponent[] that)
  {
    a.insert_Streamable(new NameHolder(that));
  }

  /**
   * Read the Name from the given CDR input stream.
   */
  public static NameComponent[] read(InputStream istream)
  {
    NameComponent[] value = null;
    int l = istream.read_long();
    value = new NameComponent[ l ];
    for (int i = 0; i < value.length; ++i)
      value [ i ] = NameComponentHelper.read(istream);
    return value;
  }

  /**
   * Get the type code of the Name.
   */
  public static TypeCode type()
  {
    TypeCode typeCode;
    typeCode = NameComponentHelper.type();
    typeCode = OrbRestricted.Singleton.create_sequence_tc(0, typeCode);
    typeCode =
      OrbRestricted.Singleton.create_alias_tc(NameHelper.id(), "Name", typeCode);
    return typeCode;
  }

  /**
   * Write the Name into the CDR output stream.
   */
  public static void write(OutputStream ostream, NameComponent[] value)
  {
    ostream.write_long(value.length);
    for (int i = 0; i < value.length; ++i)
      NameComponentHelper.write(ostream, value [ i ]);
  }
}