Initial revision
From-SVN: r104578
This commit is contained in:
Tom Tromey
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/* gnuDynSequence.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.DynAn;
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import gnu.CORBA.Unexpected;
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import org.omg.CORBA.Any;
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import org.omg.CORBA.BAD_PARAM;
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import org.omg.CORBA.ORB;
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import org.omg.CORBA.TypeCode;
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import org.omg.CORBA.TypeCodePackage.BadKind;
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import org.omg.DynamicAny.DynAny;
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import org.omg.DynamicAny.DynAnyFactoryPackage.InconsistentTypeCode;
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import org.omg.DynamicAny.DynAnyPackage.InvalidValue;
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import org.omg.DynamicAny.DynAnyPackage.TypeMismatch;
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import org.omg.DynamicAny.DynSequence;
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import java.io.Serializable;
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import java.lang.reflect.*;
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public class gnuDynSequence
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extends gnuDynArray
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implements DynSequence, Serializable
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{
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/**
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* Use serialVersionUID for interoperability.
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*/
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private static final long serialVersionUID = 1;
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/**
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* The bound of the sequence, as defined in typecode.
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*/
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final int bound;
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/**
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* Create a new gnuDynSequence with the given typecode.
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*
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* @throws BAD_PARAM if the passed typecode is probably not a sequence
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* typecode.
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*/
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public gnuDynSequence(TypeCode oType, TypeCode aType,
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gnuDynAnyFactory aFactory, ORB anOrb
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)
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throws BAD_PARAM
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{
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super(oType, aType, aFactory, anOrb, false);
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array = new DynAny[ 0 ];
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try
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{
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bound = final_type.length();
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}
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catch (BadKind ex)
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{
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throw new Unexpected(ex);
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}
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}
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/**
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* Get the length of the sequence.
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*/
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public int get_length()
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{
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return array.length;
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}
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/**
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* Resize the sequence, preserving components.
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*/
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public void set_length(int length)
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throws InvalidValue
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{
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checkBound(length);
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if (length == array.length)
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return; // Nothing to do.
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else if (length < array.length)
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{
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// Truncate.
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DynAny[] d = new DynAny[ length ];
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for (int i = 0; i < d.length; i++)
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d [ i ] = array [ i ];
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array = d;
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}
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else
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{
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// Expand.
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DynAny[] d = new DynAny[ length ];
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for (int i = 0; i < array.length; i++)
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d [ i ] = array [ i ];
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for (int i = array.length; i < d.length; i++)
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{
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try
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{
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d [ i ] =
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factory.create_dyn_any_from_type_code(official_components);
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}
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catch (InconsistentTypeCode e)
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{
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throw new Unexpected(e);
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}
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}
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array = d;
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}
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valueChanged();
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}
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/**
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* Copy one DynAny into another.
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*/
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public void assign(DynAny from)
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throws TypeMismatch
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{
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checkType(official_type, from.type());
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if (from instanceof DynSequence)
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{
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DynSequence dyn = (DynSequence) from;
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array = dyn.get_elements_as_dyn_any();
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}
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else
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throw new TypeMismatch();
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}
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/*
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* Set the contenst of the sequence, resizing if required.
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*/
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public void set_elements_as_dyn_any(DynAny[] value)
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throws InvalidValue, TypeMismatch
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{
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checkBound(value.length);
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if (array.length != value.length)
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set_length(value.length);
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for (int i = 0; i < value.length; i++)
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{
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checkType(official_components, value [ i ].type());
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array [ i ].assign(value [ i ]);
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}
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valueChanged();
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}
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/**
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* Set the elements from array of Any's.
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*/
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public void set_elements(Any[] value)
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throws InvalidValue, TypeMismatch
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{
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checkBound(value.length);
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DynAny[] prev = array;
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array = new DynAny[ value.length ];
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try
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{
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super.set_elements(value);
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// valueChanged() is called in super.set_elements(value).
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}
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// On the problem, value does not change.
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catch (TypeMismatch ex)
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{
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array = prev;
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throw ex;
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}
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catch (InvalidValue ex)
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{
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array = prev;
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throw ex;
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}
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catch (RuntimeException rex)
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{
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array = prev;
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throw rex;
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}
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}
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/**
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* Create a copy.
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*/
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public DynAny copy()
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{
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DynAny[] c = new DynAny[ array.length ];
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for (int i = 0; i < c.length; i++)
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{
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c [ i ] = array [ i ].copy();
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}
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gnuDynSequence d =
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new gnuDynSequence(official_type, final_type, factory, orb);
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d.array = c;
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return d;
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}
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/**
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* Check the bound.
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*
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* @param x the value to check.
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*/
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void checkBound(int x)
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throws InvalidValue
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{
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if (bound != 0)
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if (x < 0 || x > bound)
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throw new InvalidValue(x + " out of bounds, valid [0.." + bound + "]");
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}
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/**
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* Check if array size is valid. Called from from_any.
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*/
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protected void checkArrayValid(Object members)
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throws TypeMismatch, InvalidValue
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{
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checkBound(Array.getLength(members));
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if (get_length() != Array.getLength(members))
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set_length(Array.getLength(members));
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}
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}
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