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

/* ParameterModeHelper.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
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02110-1301 USA.

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permission to link this library with independent modules to produce an
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package org.omg.CORBA;

import gnu.CORBA.OrbRestricted;

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

/**
 * A helper operations for a method parameter modes.
 * A method parameter can pass the value (PARAM_IN), be used as a placeholder
 * to return the value (PARAM_OUT) or both pass the data and be used as a
 * placeholder to return the changed value (PARAM_INOUT).
 *
 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
 */
public abstract class ParameterModeHelper
{
  /**
   * Insert the parameter mode into the given Any.
   */
  public static void insert(Any any, ParameterMode that)
  {
    any.insert_Streamable(new ParameterModeHolder(that));
  }

  /**
   * Extract the parameter mode from the given Any.
   */
  public static ParameterMode extract(Any any)
  {
    return ((ParameterModeHolder) any.extract_Streamable()).value;
  }

  /**
   * Get the parameter mode typecode (enumeration, named "ParameterMode").
   * The typecode states that the enumeration can obtain one of
   * the following values: PARAM_IN ,PARAM_OUT ,PARAM_INOUT .
   */
  public static TypeCode type()
  {
        String[] members =
          new String[] { "PARAM_IN", "PARAM_OUT", "PARAM_INOUT" };

        return
          OrbRestricted.Singleton.create_enum_tc(id(), "ParameterMode", members);
  }

  /**
   * Get the parameter mode repository id.
   *
   * @return "IDL:omg.org/CORBA/ParameterMode:1.0", always.
   */
  public static String id()
  {
    return "IDL:omg.org/CORBA/ParameterMode:1.0";
  }

  /**
   * Read the enumeration value (as int) from the CDR intput stream.
   *
   * @param istream a stream to read from.
   */
  public static ParameterMode read(InputStream istream)
  {
    return ParameterMode.from_int(istream.read_long());
  }

  /**
   * Write the enumeration value (as int) to the CDR output stream.
   *
   * @param ostream a stream to write into.
   * @param value a value to write.
   */
  public static void write(OutputStream ostream, ParameterMode value)
  {
    ostream.write_long(value.value());
  }
}