| /* gnuDynArray.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.BAD_PARAM; |
| 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.DynArray; |
| |
| import java.io.Serializable; |
| |
| import java.lang.reflect.Array; |
| import java.lang.reflect.Field; |
| |
| /** |
| * Provides support for dynamic array or sequence, where all members have the |
| * same final_type. |
| * |
| * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) |
| */ |
| public class gnuDynArray |
| extends DivideableAny |
| implements DynArray, Serializable |
| { |
| /** |
| * Use serialVersionUID for interoperability. |
| */ |
| private static final long serialVersionUID = 1; |
| |
| /** |
| * The component "official" type (may be alias). |
| */ |
| final TypeCode official_components; |
| |
| /** |
| * The component "final" type, after resolving any aliases. |
| */ |
| final TypeCode final_components; |
| |
| /** |
| * Creates new array. |
| * |
| * @param aType the final_type of array. |
| * @param aFactory the factory, used to initialise default values. |
| * @param orb the ORB to that this DynAny belongs. |
| * @param initialise_array if false, the array is not initialised in |
| * constructor. |
| * |
| * |
| * @throws BAD_PARAM if the passed typecode does not provide the length(). |
| */ |
| public gnuDynArray(TypeCode oType, TypeCode aType, gnuDynAnyFactory aFactory, |
| ORB anOrb, boolean initialise_array |
| ) |
| throws BAD_PARAM |
| { |
| super(oType, aType, aFactory, anOrb); |
| |
| try |
| { |
| official_components = final_type.content_type(); |
| |
| TypeCode component = official_components; |
| while (component.kind().value() == TCKind._tk_alias) |
| component = component.content_type(); |
| final_components = component; |
| |
| if (initialise_array) |
| { |
| array = new DynAny[ aType.length() ]; |
| for (int i = 0; i < array.length; i++) |
| { |
| array [ i ] = |
| factory.create_dyn_any_from_type_code(official_components); |
| } |
| } |
| } |
| catch (Exception e) |
| { |
| BAD_PARAM bad = new BAD_PARAM("Unable to initialise array"); |
| bad.initCause(e); |
| throw bad; |
| } |
| } |
| |
| /** |
| * Copy one DynAny into another. |
| */ |
| public void assign(DynAny from) |
| throws TypeMismatch |
| { |
| checkType(official_type, from.type()); |
| if (from instanceof DynArray && from.component_count() == array.length) |
| { |
| DynArray dyn = (DynArray) from; |
| array = dyn.get_elements_as_dyn_any(); |
| } |
| else |
| throw new TypeMismatch(); |
| } |
| |
| /** |
| * Create a copy. |
| */ |
| public DynAny copy() |
| { |
| DynAny[] c = new DynAny[ array.length ]; |
| for (int i = 0; i < c.length; i++) |
| { |
| c [ i ] = array [ i ].copy(); |
| } |
| |
| gnuDynArray d = |
| new gnuDynArray(official_type, final_type, factory, orb, false); |
| d.array = c; |
| return d; |
| } |
| |
| /** |
| * Get elements as array of anys. |
| */ |
| public Any[] get_elements() |
| { |
| Any[] r = new Any[ array.length ]; |
| for (int i = 0; i < r.length; i++) |
| r [ i ] = array [ i ].to_any(); |
| return r; |
| } |
| |
| /** {@inheritDoc} */ |
| public DynAny[] get_elements_as_dyn_any() |
| { |
| DynAny[] a = new DynAny[ array.length ]; |
| for (int i = 0; i < a.length; i++) |
| { |
| a [ i ] = array [ i ].copy(); |
| } |
| return a; |
| } |
| |
| /** |
| * Set elements when array of dyn anys is provided. This method can set nested |
| * data structures as an array components. |
| */ |
| public void set_elements_as_dyn_any(DynAny[] value) |
| throws InvalidValue, TypeMismatch |
| { |
| if (value.length != array.length) |
| throw new InvalidValue(sizeMismatch(array.length, value.length)); |
| for (int i = 0; i < value.length; i++) |
| { |
| checkType(official_components, value [ i ].type()); |
| array [ i ].assign(value [ i ]); |
| } |
| pos = 0; |
| valueChanged(); |
| } |
| |
| /** |
| * Set elements when array of ordinary anys is provided. |
| */ |
| public void set_elements(Any[] value) |
| throws InvalidValue, TypeMismatch |
| { |
| if (value.length != array.length) |
| throw new InvalidValue(sizeMismatch(array.length, value.length)); |
| |
| for (int i = 0; i < value.length; i++) |
| { |
| checkType(official_components, value [ i ].type()); |
| try |
| { |
| array [ i ] = factory.create_dyn_any(value [ i ]); |
| } |
| catch (InconsistentTypeCode e) |
| { |
| TypeMismatch t = new TypeMismatch(); |
| t.initCause(e); |
| throw t; |
| } |
| } |
| pos = 0; |
| valueChanged(); |
| } |
| |
| /** |
| * Done via reflection. |
| */ |
| public Any to_any() |
| { |
| try |
| { |
| Streamable memberHolder = |
| HolderLocator.createHolder(official_components); |
| |
| if (memberHolder == null) |
| memberHolder = HolderLocator.createHolder(final_components); |
| |
| Class memberHolderClass = memberHolder.getClass(); |
| Class memberClass = memberHolderClass.getField("value").getType(); |
| |
| Object members = Array.newInstance(memberClass, array.length); |
| Object member; |
| Any am; |
| Field value = memberHolder.getClass().getField("value"); |
| |
| for (int i = 0; i < array.length; i++) |
| { |
| // Recursive call should support multidimensional arrays. |
| am = array [ i ].to_any(); |
| memberHolder = am.extract_Streamable(); |
| member = value.get(memberHolder); |
| Array.set(members, i, member); |
| } |
| |
| Streamable arrayHolder = HolderLocator.createHolder(official_type); |
| arrayHolder.getClass().getField("value").set(arrayHolder, members); |
| |
| Any g = createAny(); |
| g.insert_Streamable(arrayHolder); |
| g.type(official_type); |
| return g; |
| } |
| catch (Exception e) |
| { |
| throw new Unexpected(e); |
| } |
| } |
| |
| /** |
| * Done via reflection. |
| */ |
| public void from_any(Any an_any) |
| throws TypeMismatch, InvalidValue |
| { |
| checkType(official_type, an_any.type()); |
| try |
| { |
| Streamable s = an_any.extract_Streamable(); |
| Object members = s.getClass().getField("value").get(s); |
| |
| checkArrayValid(members); |
| |
| Any member; |
| Streamable holder; |
| Class holderClass = null; |
| |
| for (int i = 0; i < array.length; i++) |
| { |
| if (holderClass == null) |
| { |
| holder = HolderLocator.createHolder(official_components); |
| if (holder == null) |
| holder = HolderLocator.createHolder(final_components); |
| holderClass = holder.getClass(); |
| } |
| else |
| holder = (Streamable) holderClass.newInstance(); |
| |
| member = createAny(); |
| holder.getClass().getField("value").set(holder, |
| Array.get(members, i) |
| ); |
| member.insert_Streamable(holder); |
| member.type(official_components); |
| |
| // This may lead to recursion, supporting multidimensional |
| // arrays. |
| array [ i ].from_any(member); |
| } |
| } |
| catch (Exception ex) |
| { |
| TypeMismatch t = new TypeMismatch(); |
| t.initCause(ex); |
| throw t; |
| } |
| valueChanged(); |
| } |
| |
| /** |
| * Check if array size is valid and (for sequences) resized |
| * if required. Called from from_any. |
| */ |
| protected void checkArrayValid(Object members) |
| throws TypeMismatch, InvalidValue |
| { |
| if (array.length != Array.getLength(members)) |
| throw new InvalidValue(sizeMismatch(array.length, Array.getLength(members))); |
| } |
| } |