| /* gnuDynValueBox.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. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| 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 |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| 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 |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.CORBA.DynAn; |
| |
| import gnu.CORBA.Unexpected; |
| import gnu.CORBA.HolderLocator; |
| |
| import org.omg.CORBA.Any; |
| import org.omg.CORBA.ORB; |
| import org.omg.CORBA.TCKind; |
| import org.omg.CORBA.TypeCode; |
| import org.omg.CORBA.TypeCodePackage.BadKind; |
| import org.omg.CORBA.portable.Streamable; |
| import org.omg.DynamicAny.DynAny; |
| import org.omg.DynamicAny.DynAnyFactoryPackage.InconsistentTypeCode; |
| import org.omg.DynamicAny.DynAnyPackage.InvalidValue; |
| import org.omg.DynamicAny.DynAnyPackage.TypeMismatch; |
| import org.omg.DynamicAny.DynValueBox; |
| import org.omg.DynamicAny.DynValueBoxOperations; |
| import org.omg.DynamicAny.DynValueCommon; |
| |
| import java.io.Serializable; |
| |
| import java.lang.reflect.Field; |
| |
| /** |
| * Implementation of the DynValueBox. |
| * |
| * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) |
| */ |
| public class gnuDynValueBox |
| extends DivideableAny |
| implements DynValueBox, Serializable |
| { |
| /** |
| * Use serialVersionUID for interoperability. |
| */ |
| private static final long serialVersionUID = 1; |
| |
| /** |
| * The final_type of contents of this value box. |
| */ |
| final TypeCode content; |
| |
| /** |
| * The string for some TypeMismatch exceptions. |
| */ |
| String CONTENT = "Box content final_type mismatch"; |
| |
| /** |
| * Create a new instance of gnuDynValueBox. |
| */ |
| public gnuDynValueBox(TypeCode oType, TypeCode aType, |
| gnuDynAnyFactory aFactory, ORB anOrb |
| ) |
| { |
| super(oType, aType, aFactory, anOrb); |
| try |
| { |
| content = final_type.content_type(); |
| array = new DynAny[] { factory.create_dyn_any_from_type_code(content) }; |
| set_to_null(); |
| } |
| catch (Exception e) |
| { |
| throw new Unexpected(e); |
| } |
| } |
| |
| /** @inheritDoc */ |
| public void assign(DynAny from) |
| throws TypeMismatch |
| { |
| checkType(official_type, from.type()); |
| if (from instanceof DynValueBoxOperations) |
| { |
| DynValueBoxOperations other = (DynValueBoxOperations) from; |
| if (other.is_null()) |
| set_to_null(); |
| else |
| { |
| DynAny inBox; |
| try |
| { |
| inBox = other.get_boxed_value_as_dyn_any(); |
| } |
| catch (InvalidValue e) |
| { |
| TypeMismatch t = new TypeMismatch("Invalid value"); |
| t.initCause(e); |
| throw t; |
| } |
| if (!content.equal(inBox.type())) |
| throw new TypeMismatch(CONTENT); |
| array = new DynAny[] { inBox.copy() }; |
| } |
| } |
| valueChanged(); |
| } |
| |
| /** @inheritDoc */ |
| public DynAny copy() |
| { |
| gnuDynValueBox other = |
| new gnuDynValueBox(official_type, final_type, factory, orb); |
| if (is_null()) |
| other.set_to_null(); |
| else |
| { |
| try |
| { |
| other.array = new DynAny[] { array [ 0 ].copy() }; |
| } |
| catch (Exception e) |
| { |
| throw new Unexpected(e); |
| } |
| } |
| return other; |
| } |
| |
| /** |
| * Returns null for null value, delegates to super. otherwise. |
| */ |
| public DynAny current_component() |
| throws TypeMismatch |
| { |
| if (is_null()) |
| return null; |
| else |
| return super.current_component(); |
| } |
| |
| /** |
| * Compare for equality, minding null values. |
| */ |
| public boolean equal(DynAny other) |
| { |
| if (other instanceof DynValueCommon) |
| { |
| DynValueCommon o = (DynValueCommon) other; |
| if (is_null()) |
| return o.is_null() && o.type().equal(official_type); |
| else |
| return !o.is_null() && super.equal(other); |
| } |
| else |
| return false; |
| } |
| |
| /** @inheritDoc */ |
| public void from_any(Any an_any) |
| throws TypeMismatch, InvalidValue |
| { |
| checkType(official_type, an_any.type()); |
| try |
| { |
| if (!an_any.type().content_type().equal(content)) |
| throw new InvalidValue(CONTENT); |
| } |
| catch (BadKind e) |
| { |
| TypeMismatch t = new TypeMismatch("Not a box"); |
| t.initCause(e); |
| throw t; |
| } |
| |
| Serializable s = an_any.extract_Value(); |
| if (s == null) |
| set_to_null(); |
| else |
| { |
| try |
| { |
| Streamable holder = HolderLocator.createHolder(content); |
| Field v = holder.getClass().getField("value"); |
| v.set(holder, s); |
| |
| Any cont = createAny(); |
| cont.insert_Streamable(holder); |
| |
| array = new DynAny[] { factory.create_dyn_any(cont) }; |
| } |
| catch (Exception ex) |
| { |
| throw new Unexpected(ex); |
| } |
| } |
| valueChanged(); |
| } |
| |
| /** @inheritDoc */ |
| public Any get_boxed_value() |
| throws InvalidValue |
| { |
| try |
| { |
| if (is_null()) |
| throw new InvalidValue(ISNULL); |
| else |
| return array [ 0 ].to_any(); |
| } |
| catch (Exception e) |
| { |
| InvalidValue t = new InvalidValue(); |
| t.initCause(e); |
| throw t; |
| } |
| } |
| |
| /** @inheritDoc */ |
| public DynAny get_boxed_value_as_dyn_any() |
| throws InvalidValue |
| { |
| if (is_null()) |
| throw new InvalidValue(ISNULL); |
| else |
| return array [ 0 ].copy(); |
| } |
| |
| /** {@inheritDoc} */ |
| public Serializable get_val() |
| throws TypeMismatch, InvalidValue |
| { |
| return to_any().extract_Value(); |
| } |
| |
| /** {@inheritDoc} */ |
| public void insert_val(Serializable a_x) |
| throws InvalidValue, TypeMismatch |
| { |
| Any a = to_any(); |
| a.insert_Value(a_x); |
| from_any(a); |
| valueChanged(); |
| } |
| |
| /** @inheritDoc */ |
| public boolean is_null() |
| { |
| return array.length == 0; |
| } |
| |
| /** @inheritDoc */ |
| public void set_boxed_value(Any boxIt) |
| throws TypeMismatch |
| { |
| if (!content.equal(boxIt.type())) |
| throw new TypeMismatch(CONTENT); |
| try |
| { |
| if (is_null()) |
| { |
| array = new DynAny[] { factory.create_dyn_any(boxIt) }; |
| } |
| else |
| { |
| array [ 0 ].from_any(boxIt); |
| } |
| } |
| catch (Exception e) |
| { |
| TypeMismatch t = new TypeMismatch(); |
| t.initCause(e); |
| throw t; |
| } |
| valueChanged(); |
| } |
| |
| /** @inheritDoc */ |
| public void set_boxed_value_as_dyn_any(DynAny boxIt) |
| throws TypeMismatch |
| { |
| if (!content.equal(boxIt.type())) |
| throw new TypeMismatch(CONTENT); |
| try |
| { |
| if (is_null()) |
| { |
| array = new DynAny[] { boxIt.copy() }; |
| } |
| else |
| { |
| array [ 0 ].assign(boxIt); |
| } |
| } |
| catch (Exception e) |
| { |
| TypeMismatch t = new TypeMismatch(); |
| t.initCause(e); |
| throw t; |
| } |
| valueChanged(); |
| } |
| |
| /** @inheritDoc */ |
| public void set_to_null() |
| { |
| array = new DynAny[ 0 ]; |
| valueChanged(); |
| } |
| |
| /** @inheritDoc */ |
| public void set_to_value() |
| { |
| try |
| { |
| if (array.length == 0) |
| { |
| array = |
| new DynAny[] { factory.create_dyn_any_from_type_code(content) }; |
| } |
| } |
| catch (InconsistentTypeCode e) |
| { |
| throw new Unexpected(e); |
| } |
| valueChanged(); |
| } |
| |
| /** @inheritDoc */ |
| public Any to_any() |
| { |
| Any a = createAny(); |
| |
| if (!is_null()) |
| { |
| try |
| { |
| Streamable holder; |
| if (array [ 0 ] instanceof gnuDynAny) |
| holder = ((gnuDynAny) array [ 0 ]).holder; |
| else |
| { |
| Any uan = array [ 0 ].to_any(); |
| holder = uan.extract_Streamable(); |
| } |
| |
| Field v = holder.getClass().getField("value"); |
| Serializable value = (Serializable) v.get(holder); |
| a.type(official_type); |
| a.insert_Value(value, content); |
| } |
| catch (Exception ex) |
| { |
| throw new Unexpected(ex); |
| } |
| } |
| else |
| a.type(orb.get_primitive_tc(TCKind.tk_null)); |
| return a; |
| } |
| } |