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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/gnuDynValue.java
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+/* gnuDynValue.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.Minor;
+import gnu.CORBA.Unexpected;
+
+import org.omg.CORBA.Any;
+import org.omg.CORBA.BAD_PARAM;
+import org.omg.CORBA.MARSHAL;
+import org.omg.CORBA.ORB;
+import org.omg.CORBA.TCKind;
+import org.omg.CORBA.TypeCode;
+import org.omg.CORBA.VM_TRUNCATABLE;
+import org.omg.CORBA.portable.OutputStream;
+import org.omg.CORBA.portable.ValueFactory;
+import org.omg.DynamicAny.DynAny;
+import org.omg.DynamicAny.DynAnyPackage.InvalidValue;
+import org.omg.DynamicAny.DynAnyPackage.TypeMismatch;
+import org.omg.DynamicAny.DynStruct;
+import org.omg.DynamicAny.DynValue;
+import org.omg.DynamicAny.DynValueCommon;
+import org.omg.DynamicAny.DynValueOperations;
+import org.omg.DynamicAny.NameDynAnyPair;
+import org.omg.DynamicAny.NameValuePair;
+
+import java.io.Serializable;
+
+/**
+ * Implementation of DynValue.
+ *
+ * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
+ */
+public class gnuDynValue extends RecordAny implements DynValue,
+ Serializable
+{
+ /**
+ * Use serialVersionUID for interoperability.
+ */
+ private static final long serialVersionUID = 1;
+
+ /**
+ * If true, the value of this ValueType is set to null.
+ */
+ boolean isNull;
+
+ /**
+ * Create an instance.
+ */
+ public gnuDynValue(TypeCode oType, TypeCode aType,
+ gnuDynAnyFactory aFactory, ORB anOrb
+ )
+ {
+ super(oType, aType, aFactory, anOrb);
+
+ // Initialise fields. The array of fields also includes all inherited
+ // fields.
+ try
+ {
+ array = new DynAny[ final_type.member_count() ];
+ fNames = new String[ array.length ];
+ for (int i = 0; i < array.length; i++)
+ {
+ array [ i ] =
+ factory.create_dyn_any_from_type_code(final_type.member_type(i));
+ fNames [ i ] = final_type.member_name(i);
+ }
+
+ // Search of inherited members.
+ if (final_type.type_modifier() == VM_TRUNCATABLE.value)
+ {
+ TypeCode parent = final_type.concrete_base_type();
+ DynAny ancestor = factory.create_dyn_any_from_type_code(parent);
+
+ if (ancestor instanceof DynValue)
+ {
+ // Add members of ancestor in front of the curren members.
+ DynValue anc = (DynValue) ancestor;
+ anc.set_to_value();
+
+ NameDynAnyPair[] aar = anc.get_members_as_dyn_any();
+ inheritFields(aar);
+ }
+ else if (ancestor instanceof DynStruct)
+ {
+ // Add members of ancestor in front of the curren members.
+ DynStruct anc = (DynStruct) ancestor;
+ NameDynAnyPair[] aar = anc.get_members_as_dyn_any();
+ inheritFields(aar);
+ }
+ else
+ throw new BAD_PARAM("The parent of " + final_type.id() + ", " +
+ parent.id() + ", is not structure nor value."
+ );
+ }
+ }
+ catch (Exception e)
+ {
+ throw new Unexpected(e);
+ }
+
+ set_to_null();
+ }
+
+ /**
+ * Inherit the provided fields.
+ */
+ private void inheritFields(NameDynAnyPair[] aar)
+ {
+ DynAny[] nArray = new DynAny[ array.length + aar.length ];
+ String[] nNames = new String[ array.length + aar.length ];
+ int p = 0;
+ for (int i = 0; i < aar.length; i++)
+ {
+ nArray [ p ] = aar [ i ].value;
+ nNames [ p ] = aar [ i ].id;
+ p++;
+ }
+
+ for (int i = 0; i < array.length; i++)
+ {
+ nArray [ p ] = array [ i ];
+ nNames [ p ] = fNames [ i ];
+ p++;
+ }
+
+ array = nArray;
+ fNames = nNames;
+ }
+
+ /** @inheritDoc */
+ public TCKind current_member_kind() throws TypeMismatch, InvalidValue
+ {
+ if (isNull)
+ throw new TypeMismatch(ISNULL);
+ else
+ return super.current_member_kind();
+ }
+
+ /** @inheritDoc */
+ public String current_member_name() throws TypeMismatch, InvalidValue
+ {
+ if (isNull)
+ throw new TypeMismatch(ISNULL);
+ else
+ return super.current_member_name();
+ }
+
+ /** @inheritDoc */
+ public NameDynAnyPair[] get_members_as_dyn_any() throws InvalidValue
+ {
+ if (isNull)
+ throw new InvalidValue(ISNULL);
+ return super.gnu_get_members_as_dyn_any();
+ }
+
+ /** @inheritDoc */
+ public NameValuePair[] get_members() throws InvalidValue
+ {
+ if (isNull)
+ throw new InvalidValue(ISNULL);
+ else
+ return super.gnu_get_members();
+ }
+
+ /** @inheritDoc */
+ public void set_members_as_dyn_any(NameDynAnyPair[] value)
+ throws TypeMismatch, InvalidValue
+ {
+ super.set_members_as_dyn_any(value);
+ isNull = false;
+ }
+
+ /** @inheritDoc */
+ public void set_members(NameValuePair[] value)
+ throws TypeMismatch, InvalidValue
+ {
+ super.set_members(value);
+ isNull = false;
+ }
+
+ /** @inheritDoc */
+ public boolean is_null()
+ {
+ return isNull;
+ }
+
+ /** @inheritDoc */
+ public void set_to_null()
+ {
+ isNull = true;
+ valueChanged();
+ }
+
+ /** @inheritDoc */
+ public void set_to_value()
+ {
+ isNull = false;
+ valueChanged();
+ }
+
+ /**
+ * Create a new instance.
+ */
+ protected RecordAny newInstance(TypeCode oType, TypeCode aType,
+ gnuDynAnyFactory aFactory, ORB anOrb
+ )
+ {
+ gnuDynValue v = new gnuDynValue(oType, aType, aFactory, anOrb);
+ if (isNull)
+ v.set_to_null();
+ else
+ v.set_to_value();
+ return v;
+ }
+
+ /**
+ * Compare for equality, minding null values.
+ */
+ public boolean equal(DynAny other)
+ {
+ if (other instanceof DynValueOperations)
+ {
+ DynValueCommon o = (DynValueCommon) other;
+ if (isNull)
+ return o.is_null() && o.type().equal(official_type);
+ else
+ return !o.is_null() && super.equal(other);
+ }
+ else
+ return false;
+ }
+
+ /**
+ * Get the focused component, throwing exception if the current value is null.
+ */
+ protected DynAny focused() throws InvalidValue, TypeMismatch
+ {
+ if (isNull)
+ throw new TypeMismatch(ISNULL);
+ else
+ return super.focused();
+ }
+
+ /**
+ * Convert into Any.
+ */
+ public Any to_any()
+ {
+ if (isNull)
+ {
+ Any a0 = createAny();
+ a0.type(orb.get_primitive_tc(TCKind.tk_null));
+ return a0;
+ }
+ else
+ {
+ try
+ {
+ ValueFactory factory =
+ ((org.omg.CORBA_2_3.ORB) orb).lookup_value_factory(official_type.id());
+ if (factory == null)
+ {
+ MARSHAL m = new MARSHAL("Factory for " + official_type.id() +
+ " not registered.");
+ m.minor = Minor.Factory;
+ throw m;
+ }
+
+ OutputStream out = orb.create_output_stream();
+
+ for (int i = 0; i < array.length; i++)
+ array [ i ].to_any().write_value(out);
+
+ org.omg.CORBA_2_3.portable.InputStream in =
+ (org.omg.CORBA_2_3.portable.InputStream) out.create_input_stream();
+ Serializable v = factory.read_value(in);
+
+ Any g = createAny();
+ g.type(official_type);
+ g.insert_Value(v, official_type);
+
+ return g;
+ }
+ catch (Exception e)
+ {
+ throw new Unexpected(e);
+ }
+ }
+ }
+
+ /** @inheritDoc */
+ public void assign(DynAny from) throws TypeMismatch
+ {
+ checkType(official_type, from.type());
+
+ if (from instanceof DynValue)
+ {
+ DynValue other = (DynValue) from;
+ if (other.is_null())
+ set_to_null();
+ else
+ {
+ set_to_value();
+ try
+ {
+ DynValueOperations src = (DynValueOperations) from;
+ set_members_as_dyn_any(src.get_members_as_dyn_any());
+ }
+ catch (InvalidValue e)
+ {
+ TypeMismatch t = new TypeMismatch("Invalid value");
+ t.initCause(e);
+ throw t;
+ }
+ }
+ }
+ else
+ throw new TypeMismatch("Not a DynValue");
+ }
+
+ /**
+ * Get the number of components.
+ */
+ public int component_count()
+ {
+ return isNull ? 0 : super.component_count();
+ }
+
+ /** {@inheritDoc} */
+ public Serializable get_val() throws TypeMismatch, InvalidValue
+ {
+ return to_any().extract_Value();
+ }
+
+ /** {@inheritDoc} */
+ public void insert_val(Serializable a_x) throws InvalidValue, TypeMismatch
+ {
+ Any a = to_any();
+ a.insert_Value(a_x);
+ from_any(a);
+ valueChanged();
+ }
+}