001    /* PolicyListHelper.java --
002       Copyright (C) 2005, 2006 Free Software Foundation, Inc.
003    
004    This file is part of GNU Classpath.
005    
006    GNU Classpath is free software; you can redistribute it and/or modify
007    it under the terms of the GNU General Public License as published by
008    the Free Software Foundation; either version 2, or (at your option)
009    any later version.
010    
011    GNU Classpath is distributed in the hope that it will be useful, but
012    WITHOUT ANY WARRANTY; without even the implied warranty of
013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014    General Public License for more details.
015    
016    You should have received a copy of the GNU General Public License
017    along with GNU Classpath; see the file COPYING.  If not, write to the
018    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019    02110-1301 USA.
020    
021    Linking this library statically or dynamically with other modules is
022    making a combined work based on this library.  Thus, the terms and
023    conditions of the GNU General Public License cover the whole
024    combination.
025    
026    As a special exception, the copyright holders of this library give you
027    permission to link this library with independent modules to produce an
028    executable, regardless of the license terms of these independent
029    modules, and to copy and distribute the resulting executable under
030    terms of your choice, provided that you also meet, for each linked
031    independent module, the terms and conditions of the license of that
032    module.  An independent module is a module which is not derived from
033    or based on this library.  If you modify this library, you may extend
034    this exception to your version of the library, but you are not
035    obligated to do so.  If you do not wish to do so, delete this
036    exception statement from your version. */
037    
038    
039    package org.omg.CORBA;
040    
041    import gnu.CORBA.Minor;
042    import gnu.CORBA.OrbRestricted;
043    
044    import org.omg.CORBA.portable.InputStream;
045    import 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    */
053    public 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    }