gcc/libjava/classpath/org/omg/CORBA/NameValuePairHelper.java

/* NameValuePairHelper.java --
   Copyright (C) 2005 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
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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.CORBA;

import gnu.CORBA.DynAn.NameValuePairHolder;
import gnu.CORBA.typecodes.AliasTypeCode;
import gnu.CORBA.typecodes.PrimitiveTypeCode;
import gnu.CORBA.typecodes.StringTypeCode;
import gnu.CORBA.Minor;
import gnu.CORBA.OrbRestricted;

import org.omg.CORBA.portable.InputStream;
import org.omg.CORBA.portable.OutputStream;

/**
 * The helper operations for {@link NameValuePair}.
 *
 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
 */
public abstract class NameValuePairHelper
{
  /**
   * The {@link NameValuePair} repository id,
   * 'IDL:omg.org/CORBA/NameValuePair:1.0'.
   */
  private static String _id = "IDL:omg.org/CORBA/NameValuePair:1.0";

  /**
   * Extract the NameValuePair from the given {@link Any}.
   */
  public static NameValuePair extract(Any a)
  {
    try
      {
        return ((NameValuePairHolder) a.extract_Streamable()).value;
      }
    catch (ClassCastException ex)
      {
        BAD_OPERATION bad = new BAD_OPERATION("NameValuePair expected");
        bad.minor = Minor.Any;
        throw bad;
      }
  }

  /**
   * Return the NameValuePair repository id.
   */
  public static String id()
  {
    return _id;
  }

  /**
   * Insert the NameValuePair into the given {@link Any}.
   */
  public static void insert(Any a, NameValuePair that)
  {
    a.insert_Streamable(new NameValuePairHolder(that));
  }

  /**
   * Read the NameValuePair from the given CDR stream. First reads the
   * name (id) as string, then the value as {@link Any}.
   */
  public static NameValuePair read(InputStream istream)
  {
    NameValuePair p = new NameValuePair();
    p.id = istream.read_string();
    p.value = istream.read_any();
    return p;
  }

  /**
   * Create the type code for the name value pair.
   */
  public static TypeCode type()
  {
    StructMember[] members = new StructMember[2];

    TypeCode t_id = new AliasTypeCode(new StringTypeCode(TCKind.tk_string), "",
                                      "id");

    members[0] = new StructMember("id", t_id, null);

    members[1] = new StructMember("value",
                                  new PrimitiveTypeCode(TCKind.tk_any), null);

    return OrbRestricted.Singleton.create_struct_tc(id(), "NameValuePair",
                                                    members);
  }

  /**
   * Write the exception to the CDR output stream. First writes the
   * name (id), then the value as {@link Any}.
   */
  public static void write(OutputStream ostream, NameValuePair value)
  {
    ostream.write_string(value.id);
    ostream.write_any(value.value);
  }
}