184 lines
6.5 KiB
Java
184 lines
6.5 KiB
Java
/* holderFactory.java --
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.CORBA;
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import org.omg.CORBA.AnyHolder;
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import org.omg.CORBA.AnySeqHolder;
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import org.omg.CORBA.BooleanHolder;
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import org.omg.CORBA.BooleanSeqHolder;
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import org.omg.CORBA.CharHolder;
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import org.omg.CORBA.CharSeqHolder;
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import org.omg.CORBA.DoubleHolder;
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import org.omg.CORBA.DoubleSeqHolder;
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import org.omg.CORBA.FixedHolder;
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import org.omg.CORBA.FloatHolder;
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import org.omg.CORBA.FloatSeqHolder;
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import org.omg.CORBA.IntHolder;
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import org.omg.CORBA.LongHolder;
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import org.omg.CORBA.LongLongSeqHolder;
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import org.omg.CORBA.LongSeqHolder;
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import org.omg.CORBA.OctetSeqHolder;
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import org.omg.CORBA.PrincipalHolder;
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import org.omg.CORBA.ShortHolder;
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import org.omg.CORBA.ShortSeqHolder;
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import org.omg.CORBA.StringHolder;
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import org.omg.CORBA.StringSeqHolder;
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import org.omg.CORBA.TCKind;
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import org.omg.CORBA.TypeCode;
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import org.omg.CORBA.TypeCodeHolder;
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import org.omg.CORBA.ULongLongSeqHolder;
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import org.omg.CORBA.ULongSeqHolder;
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import org.omg.CORBA.UShortSeqHolder;
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import org.omg.CORBA.WCharSeqHolder;
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import org.omg.CORBA.WStringSeqHolder;
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import org.omg.CORBA.portable.Streamable;
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/**
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* Creates the suitable holder for storing the value of the given
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* type.
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*
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* @author Audrius Meskauskas (AudriusA@Bioinformatics.org)
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*/
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public class holderFactory
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{
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/**
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* The array, sufficiently large to use any {@link TCKind}._tk* constant
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* as an index.
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*/
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private static final Class[] holders;
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private static final Class[] seqHolders;
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static
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{
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holders = new Class[ 32 ];
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holders [ TCKind._tk_Principal ] = PrincipalHolder.class;
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holders [ TCKind._tk_TypeCode ] = TypeCodeHolder.class;
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holders [ TCKind._tk_any ] = AnyHolder.class;
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holders [ TCKind._tk_boolean ] = BooleanHolder.class;
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holders [ TCKind._tk_char ] = CharHolder.class;
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holders [ TCKind._tk_double ] = DoubleHolder.class;
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holders [ TCKind._tk_float ] = FloatHolder.class;
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holders [ TCKind._tk_fixed ] = FixedHolder.class;
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holders [ TCKind._tk_long ] = IntHolder.class;
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holders [ TCKind._tk_longdouble ] = DoubleHolder.class;
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holders [ TCKind._tk_longlong ] = LongHolder.class;
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holders [ TCKind._tk_octet ] = OctetHolder.class;
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holders [ TCKind._tk_short ] = ShortHolder.class;
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holders [ TCKind._tk_string ] = StringHolder.class;
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holders [ TCKind._tk_ulong ] = IntHolder.class;
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holders [ TCKind._tk_ulonglong ] = LongHolder.class;
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holders [ TCKind._tk_ushort ] = ShortHolder.class;
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holders [ TCKind._tk_wchar ] = WCharHolder.class;
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holders [ TCKind._tk_wstring ] = WStringHolder.class;
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seqHolders = new Class[ 32 ];
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seqHolders [ TCKind._tk_ulonglong ] = ULongLongSeqHolder.class;
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seqHolders [ TCKind._tk_short ] = ShortSeqHolder.class;
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seqHolders [ TCKind._tk_octet ] = OctetSeqHolder.class;
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seqHolders [ TCKind._tk_any ] = AnySeqHolder.class;
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seqHolders [ TCKind._tk_long ] = LongSeqHolder.class;
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seqHolders [ TCKind._tk_longlong ] = LongLongSeqHolder.class;
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seqHolders [ TCKind._tk_float ] = FloatSeqHolder.class;
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seqHolders [ TCKind._tk_double ] = DoubleSeqHolder.class;
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seqHolders [ TCKind._tk_char ] = CharSeqHolder.class;
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seqHolders [ TCKind._tk_boolean ] = BooleanSeqHolder.class;
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seqHolders [ TCKind._tk_wchar ] = WCharSeqHolder.class;
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seqHolders [ TCKind._tk_ushort ] = UShortSeqHolder.class;
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seqHolders [ TCKind._tk_ulong ] = ULongSeqHolder.class;
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seqHolders [ TCKind._tk_string ] = StringSeqHolder.class;
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seqHolders [ TCKind._tk_wstring ] = WStringSeqHolder.class;
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}
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/**
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* Create a holder for storing the value of the given built-in type.
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* This function returns the defined holders for the built-in primitive
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* types and they sequences.
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*
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* @param t the typecode
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*
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* @return an instance of the corresponding built-in holder of null
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* if no such is defined for this type. The holder is created with a
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* parameterless constructor.
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*/
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public static Streamable createHolder(TypeCode t)
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{
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try
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{
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int kind = t.kind().value();
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int componentKind;
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Streamable holder = null;
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Streamable component;
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if (kind < holders.length && holders [ kind ] != null)
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holder = (Streamable) holders [ kind ].newInstance();
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if (holder != null)
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return holder;
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switch (kind)
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{
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case TCKind._tk_sequence :
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componentKind = t.content_type().kind().value();
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if (componentKind < seqHolders.length)
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return (Streamable) seqHolders [ componentKind ].newInstance();
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break;
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default :
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break;
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}
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}
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catch (Exception ex)
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{
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throw new Unexpected(ex);
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}
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try
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{
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Object ox = ObjectCreator.createObject(t.id(), "Holder");
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return (Streamable) ox;
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}
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catch (Exception ex)
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{
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return null;
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}
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}
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}
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