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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/gnu/CORBA/DynAn/gnuDynArray.java
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+/* 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.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)));
+ }
+}