| /* gnuDynSequence.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 org.omg.CORBA.Any; |
| import org.omg.CORBA.BAD_PARAM; |
| import org.omg.CORBA.ORB; |
| import org.omg.CORBA.TypeCode; |
| import org.omg.CORBA.TypeCodePackage.BadKind; |
| 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.DynSequence; |
| |
| import java.io.Serializable; |
| |
| import java.lang.reflect.*; |
| |
| public class gnuDynSequence |
| extends gnuDynArray |
| implements DynSequence, Serializable |
| { |
| /** |
| * Use serialVersionUID for interoperability. |
| */ |
| private static final long serialVersionUID = 1; |
| |
| /** |
| * The bound of the sequence, as defined in typecode. |
| */ |
| final int bound; |
| |
| /** |
| * Create a new gnuDynSequence with the given typecode. |
| * |
| * @throws BAD_PARAM if the passed typecode is probably not a sequence |
| * typecode. |
| */ |
| public gnuDynSequence(TypeCode oType, TypeCode aType, |
| gnuDynAnyFactory aFactory, ORB anOrb |
| ) |
| throws BAD_PARAM |
| { |
| super(oType, aType, aFactory, anOrb, false); |
| array = new DynAny[ 0 ]; |
| try |
| { |
| bound = final_type.length(); |
| } |
| catch (BadKind ex) |
| { |
| throw new Unexpected(ex); |
| } |
| } |
| |
| /** |
| * Get the length of the sequence. |
| */ |
| public int get_length() |
| { |
| return array.length; |
| } |
| |
| /** |
| * Resize the sequence, preserving components. |
| */ |
| public void set_length(int length) |
| throws InvalidValue |
| { |
| checkBound(length); |
| if (length == array.length) |
| return; // Nothing to do. |
| else if (length < array.length) |
| { |
| // Truncate. |
| DynAny[] d = new DynAny[ length ]; |
| for (int i = 0; i < d.length; i++) |
| d [ i ] = array [ i ]; |
| array = d; |
| } |
| else |
| { |
| // Expand. |
| DynAny[] d = new DynAny[ length ]; |
| for (int i = 0; i < array.length; i++) |
| d [ i ] = array [ i ]; |
| |
| for (int i = array.length; i < d.length; i++) |
| { |
| try |
| { |
| d [ i ] = |
| factory.create_dyn_any_from_type_code(official_components); |
| } |
| catch (InconsistentTypeCode e) |
| { |
| throw new Unexpected(e); |
| } |
| } |
| array = d; |
| } |
| valueChanged(); |
| } |
| |
| /** |
| * Copy one DynAny into another. |
| */ |
| public void assign(DynAny from) |
| throws TypeMismatch |
| { |
| checkType(official_type, from.type()); |
| if (from instanceof DynSequence) |
| { |
| DynSequence dyn = (DynSequence) from; |
| array = dyn.get_elements_as_dyn_any(); |
| } |
| else |
| throw new TypeMismatch(); |
| } |
| |
| /* |
| * Set the contenst of the sequence, resizing if required. |
| */ |
| public void set_elements_as_dyn_any(DynAny[] value) |
| throws InvalidValue, TypeMismatch |
| { |
| checkBound(value.length); |
| if (array.length != value.length) |
| set_length(value.length); |
| |
| for (int i = 0; i < value.length; i++) |
| { |
| checkType(official_components, value [ i ].type()); |
| array [ i ].assign(value [ i ]); |
| } |
| valueChanged(); |
| } |
| |
| /** |
| * Set the elements from array of Any's. |
| */ |
| public void set_elements(Any[] value) |
| throws InvalidValue, TypeMismatch |
| { |
| checkBound(value.length); |
| |
| DynAny[] prev = array; |
| |
| array = new DynAny[ value.length ]; |
| try |
| { |
| super.set_elements(value); |
| |
| // valueChanged() is called in super.set_elements(value). |
| } |
| |
| // On the problem, value does not change. |
| catch (TypeMismatch ex) |
| { |
| array = prev; |
| throw ex; |
| } |
| catch (InvalidValue ex) |
| { |
| array = prev; |
| throw ex; |
| } |
| catch (RuntimeException rex) |
| { |
| array = prev; |
| throw rex; |
| } |
| } |
| |
| /** |
| * 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(); |
| } |
| |
| gnuDynSequence d = |
| new gnuDynSequence(official_type, final_type, factory, orb); |
| d.array = c; |
| return d; |
| } |
| |
| /** |
| * Check the bound. |
| * |
| * @param x the value to check. |
| */ |
| void checkBound(int x) |
| throws InvalidValue |
| { |
| if (bound != 0) |
| if (x < 0 || x > bound) |
| throw new InvalidValue(x + " out of bounds, valid [0.." + bound + "]"); |
| } |
| |
| /** |
| * Check if array size is valid. Called from from_any. |
| */ |
| protected void checkArrayValid(Object members) |
| throws TypeMismatch, InvalidValue |
| { |
| checkBound(Array.getLength(members)); |
| if (get_length() != Array.getLength(members)) |
| set_length(Array.getLength(members)); |
| } |
| } |