/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * particular file as subject to the "Classpath" exception as provided

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 */

package com.sun.corba.se.impl.dynamicany;

import org.omg.CORBA.TypeCode;

import org.omg.CORBA.TCKind;

import org.omg.CORBA.Any;

import org.omg.CORBA.TypeCodePackage.BadKind;

import org.omg.CORBA.TypeCodePackage.Bounds;

import org.omg.DynamicAny.*;

import org.omg.DynamicAny.DynAnyPackage.TypeMismatch;

import org.omg.DynamicAny.DynAnyPackage.InvalidValue;

import org.omg.DynamicAny.DynAnyFactoryPackage.InconsistentTypeCode;

import com.sun.corba.se.spi.orb.ORB ;

import com.sun.corba.se.spi.logging.CORBALogDomains ;

import com.sun.corba.se.impl.logging.ORBUtilSystemException ;

abstract class DynValueCommonImpl extends DynAnyComplexImpl implements DynValueCommon

{

    //

    // Constructors

    //

    protected boolean isNull;

    private DynValueCommonImpl() {

        this(null, (Any)null, false);

        isNull = true;

    }

    protected DynValueCommonImpl(ORB orb, Any any, boolean copyValue) {

        super(orb, any, copyValue);

        isNull = checkInitComponents();

    }

    protected DynValueCommonImpl(ORB orb, TypeCode typeCode) {

        super(orb, typeCode);

        isNull = true;

    }

    //

    // DynValueCommon methods

    //

    // Returns TRUE if this object represents a null valuetype

    public boolean is_null() {

        return isNull;

    }

    // Changes the representation to a null valuetype.

    public void set_to_null() {

        isNull = true;

        clearData();

    }

    // If this object represents a null valuetype then this operation

    // replaces it with a newly constructed value with its components

    // initialized to default values as in DynAnyFactory::create_dyn_any_from_type_code.

    // If this object represents a non-null valuetype, then this operation has no effect.

    public void set_to_value() {

        if (isNull) {

            isNull = false;

            // the rest is done lazily

        }

        // else: there is nothing to do

    }

    //

    // Methods differing from DynStruct

    //

    // Required to raise InvalidValue if this is a null value type.

    public org.omg.DynamicAny.NameValuePair[] get_members ()

        throws org.omg.DynamicAny.DynAnyPackage.InvalidValue

    {

        if (status == STATUS_DESTROYED) {

            throw wrapper.dynAnyDestroyed() ;

        }

        if (isNull) {

            throw new InvalidValue();

        }

        checkInitComponents();

        return nameValuePairs;

    }

    // Required to raise InvalidValue if this is a null value type.

    public org.omg.DynamicAny.NameDynAnyPair[] get_members_as_dyn_any ()

        throws org.omg.DynamicAny.DynAnyPackage.InvalidValue

    {

        if (status == STATUS_DESTROYED) {

            throw wrapper.dynAnyDestroyed() ;

        }

        if (isNull) {

            throw new InvalidValue();

        }

        checkInitComponents();

        return nameDynAnyPairs;

    }

    //

    // Overridden methods

    //

    // Overridden to change to non-null status.

    public void set_members (org.omg.DynamicAny.NameValuePair[] value)

        throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch,

               org.omg.DynamicAny.DynAnyPackage.InvalidValue

    {

        super.set_members(value);

        // If we didn't get an exception then this must be a valid non-null value

        isNull = false;

    }

    // Overridden to change to non-null status.

    public void set_members_as_dyn_any (org.omg.DynamicAny.NameDynAnyPair[] value)

        throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch,

               org.omg.DynamicAny.DynAnyPackage.InvalidValue

    {

        super.set_members_as_dyn_any(value);

        // If we didn't get an exception then this must be a valid non-null value

        isNull = false;

    }

}