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Diffstat (limited to 'gnu/CORBA/DynAn/gnuDynSequence.java')
| -rw-r--r-- | gnu/CORBA/DynAn/gnuDynSequence.java | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/gnu/CORBA/DynAn/gnuDynSequence.java b/gnu/CORBA/DynAn/gnuDynSequence.java new file mode 100644 index 000000000..cfa122f07 --- /dev/null +++ b/gnu/CORBA/DynAn/gnuDynSequence.java @@ -0,0 +1,254 @@ +/* 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)); + } +}
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