001/* PolicyListHelper.java --
002   Copyright (C) 2005, 2006 Free Software Foundation, Inc.
003
004This file is part of GNU Classpath.
005
006GNU Classpath is free software; you can redistribute it and/or modify
007it under the terms of the GNU General Public License as published by
008the Free Software Foundation; either version 2, or (at your option)
009any later version.
010
011GNU Classpath is distributed in the hope that it will be useful, but
012WITHOUT ANY WARRANTY; without even the implied warranty of
013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014General Public License for more details.
015
016You should have received a copy of the GNU General Public License
017along with GNU Classpath; see the file COPYING.  If not, write to the
018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
01902110-1301 USA.
020
021Linking this library statically or dynamically with other modules is
022making a combined work based on this library.  Thus, the terms and
023conditions of the GNU General Public License cover the whole
024combination.
025
026As a special exception, the copyright holders of this library give you
027permission to link this library with independent modules to produce an
028executable, regardless of the license terms of these independent
029modules, and to copy and distribute the resulting executable under
030terms of your choice, provided that you also meet, for each linked
031independent module, the terms and conditions of the license of that
032module.  An independent module is a module which is not derived from
033or based on this library.  If you modify this library, you may extend
034this exception to your version of the library, but you are not
035obligated to do so.  If you do not wish to do so, delete this
036exception statement from your version. */
037
038
039package org.omg.CORBA;
040
041import gnu.CORBA.Minor;
042import gnu.CORBA.OrbRestricted;
043
044import org.omg.CORBA.portable.InputStream;
045import org.omg.CORBA.portable.OutputStream;
046
047/**
048* The helper operations for the
049* CORBA object {@link Policy}[].
050*
051* @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
052*/
053public abstract class PolicyListHelper
054{
055  /**
056   * Get the type code of the {@link Policy}[].
057   */
058  public static TypeCode type()
059  {
060     return OrbRestricted.Singleton.create_interface_tc(id(), "Policy[]");
061  }
062
063  /**
064   * Insert the Policy[] into the given Any.
065   *
066   * @param any the Any to insert into.
067   * @param that the Policy[] to insert.
068   */
069  public static void insert(Any any, Policy[] that)
070  {
071    any.insert_Streamable(new PolicyListHolder(that));
072  }
073
074  /**
075   * Extract the Policy[] from given Any.
076   *
077   * @throws BAD_OPERATION if the passed Any does not contain Policy[].
078   */
079  public static Policy[] extract(Any any)
080  {
081    try
082      {
083        PolicyListHolder holds = (PolicyListHolder) any.extract_Streamable();
084        return holds.value;
085      }
086    catch (ClassCastException ex)
087      {
088        BAD_OPERATION bad = new BAD_OPERATION("Policy[] expected");
089        bad.minor = Minor.Any;
090        throw bad;
091      }
092  }
093
094  /**
095   * Get the Policy[] repository id.
096   *
097   * @return "IDL:omg.org/CORBA/PolicyList:1.0", always.
098   */
099  public static String id()
100  {
101    return "IDL:omg.org/CORBA/PolicyList:1.0";
102  }
103
104  /**
105   * Read the sequence of policies from the CDR intput stream.
106   * The method follows usual CDR standards (an array length as
107   * CORBA long, followed by the array members, if any).
108   * The array members are read using {@link PolicyHelper}.
109   *
110   * @param input a org.omg.CORBA.portable stream to read from.
111   */
112  public static Policy[] read(InputStream input)
113  {
114    Policy[] p = new Policy[ input.read_long() ];
115    for (int i = 0; i < p.length; i++)
116      {
117        p [ i ] = PolicyHelper.read(input);
118      }
119    return p;
120  }
121
122  /**
123   * Write the sequence of policies from the CDR intput stream.
124   * The method follows usual CDR standards (an array length as
125   * CORBA long, followed by the array members, if any).
126   * The array members are written using {@link PolicyHelper}.
127   *
128   * @param output a org.omg.CORBA.portable stream stream to write into.
129   * @param value a policy array to write.
130   */
131  public static void write(OutputStream output, Policy[] value)
132  {
133    output.write_long(value.length);
134    for (int i = 0; i < value.length; i++)
135      {
136        PolicyHelper.write(output, value [ i ]);
137      }
138  }
139}