DynValueCommonImpl.java revision 608:7e06bf1dcb09 
1/*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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24 */
25
26package com.sun.corba.se.impl.dynamicany;
27
28import org.omg.CORBA.TypeCode;
29import org.omg.CORBA.TCKind;
30import org.omg.CORBA.Any;
31import org.omg.CORBA.TypeCodePackage.BadKind;
32import org.omg.CORBA.TypeCodePackage.Bounds;
33import org.omg.DynamicAny.*;
34import org.omg.DynamicAny.DynAnyPackage.TypeMismatch;
35import org.omg.DynamicAny.DynAnyPackage.InvalidValue;
36import org.omg.DynamicAny.DynAnyFactoryPackage.InconsistentTypeCode;
37
38import com.sun.corba.se.spi.orb.ORB ;
39import com.sun.corba.se.spi.logging.CORBALogDomains ;
40import com.sun.corba.se.impl.logging.ORBUtilSystemException ;
41
42abstract class DynValueCommonImpl extends DynAnyComplexImpl implements DynValueCommon
43{
44    //
45    // Constructors
46    //
47
48    protected boolean isNull;
49
50    private DynValueCommonImpl() {
51        this(null, (Any)null, false);
52        isNull = true;
53    }
54
55    protected DynValueCommonImpl(ORB orb, Any any, boolean copyValue) {
56        super(orb, any, copyValue);
57        isNull = checkInitComponents();
58    }
59
60    protected DynValueCommonImpl(ORB orb, TypeCode typeCode) {
61        super(orb, typeCode);
62        isNull = true;
63    }
64
65    //
66    // DynValueCommon methods
67    //
68
69    // Returns TRUE if this object represents a null valuetype
70    public boolean is_null() {
71        return isNull;
72    }
73
74    // Changes the representation to a null valuetype.
75    public void set_to_null() {
76        isNull = true;
77        clearData();
78    }
79
80    // If this object represents a null valuetype then this operation
81    // replaces it with a newly constructed value with its components
82    // initialized to default values as in DynAnyFactory::create_dyn_any_from_type_code.
83    // If this object represents a non-null valuetype, then this operation has no effect.
84    public void set_to_value() {
85        if (isNull) {
86            isNull = false;
87            // the rest is done lazily
88        }
89        // else: there is nothing to do
90    }
91
92    //
93    // Methods differing from DynStruct
94    //
95
96    // Required to raise InvalidValue if this is a null value type.
97    public org.omg.DynamicAny.NameValuePair[] get_members ()
98        throws org.omg.DynamicAny.DynAnyPackage.InvalidValue
99    {
100        if (status == STATUS_DESTROYED) {
101            throw wrapper.dynAnyDestroyed() ;
102        }
103        if (isNull) {
104            throw new InvalidValue();
105        }
106        checkInitComponents();
107        return nameValuePairs;
108    }
109
110    // Required to raise InvalidValue if this is a null value type.
111    public org.omg.DynamicAny.NameDynAnyPair[] get_members_as_dyn_any ()
112        throws org.omg.DynamicAny.DynAnyPackage.InvalidValue
113    {
114        if (status == STATUS_DESTROYED) {
115            throw wrapper.dynAnyDestroyed() ;
116        }
117        if (isNull) {
118            throw new InvalidValue();
119        }
120        checkInitComponents();
121        return nameDynAnyPairs;
122    }
123
124    //
125    // Overridden methods
126    //
127
128    // Overridden to change to non-null status.
129    public void set_members (org.omg.DynamicAny.NameValuePair[] value)
130        throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch,
131               org.omg.DynamicAny.DynAnyPackage.InvalidValue
132    {
133        super.set_members(value);
134        // If we didn't get an exception then this must be a valid non-null value
135        isNull = false;
136    }
137
138    // Overridden to change to non-null status.
139    public void set_members_as_dyn_any (org.omg.DynamicAny.NameDynAnyPair[] value)
140        throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch,
141               org.omg.DynamicAny.DynAnyPackage.InvalidValue
142    {
143        super.set_members_as_dyn_any(value);
144        // If we didn't get an exception then this must be a valid non-null value
145        isNull = false;
146    }
147}
148