1 /*
   2  * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
   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
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.corba.se.impl.dynamicany;
  27 
  28 import org.omg.CORBA.TypeCode;
  29 import org.omg.CORBA.Any;
  30 import org.omg.CORBA.NO_IMPLEMENT;
  31 import org.omg.CORBA.TypeCodePackage.BadKind;
  32 import org.omg.CORBA.TypeCodePackage.Bounds;
  33 import org.omg.DynamicAny.*;
  34 import org.omg.DynamicAny.DynAnyPackage.TypeMismatch;
  35 import org.omg.DynamicAny.DynAnyPackage.InvalidValue;
  36 import org.omg.DynamicAny.DynAnyFactoryPackage.InconsistentTypeCode;
  37 
  38 import com.sun.corba.se.spi.orb.ORB ;
  39 import com.sun.corba.se.spi.logging.CORBALogDomains ;
  40 import com.sun.corba.se.impl.logging.ORBUtilSystemException ;
  41 
  42 abstract class DynAnyCollectionImpl extends DynAnyConstructedImpl
  43 {
  44     //
  45     // Instance variables
  46     //
  47 
  48     // Keep in sync with DynAny[] components at all times.
  49     Any[] anys = null;
  50 
  51     //
  52     // Constructors
  53     //
  54 
  55     private DynAnyCollectionImpl() {
  56         this(null, (Any)null, false);
  57     }
  58 
  59     protected DynAnyCollectionImpl(ORB orb, Any any, boolean copyValue) {
  60         super(orb, any, copyValue);
  61     }
  62 
  63     protected DynAnyCollectionImpl(ORB orb, TypeCode typeCode) {
  64         super(orb, typeCode);
  65     }
  66 
  67     //
  68     // Utility methods
  69     //
  70 
  71     protected void createDefaultComponentAt(int i, TypeCode contentType) {
  72         try {
  73             components[i] = DynAnyUtil.createMostDerivedDynAny(contentType, orb);
  74         } catch (InconsistentTypeCode itc) { // impossible
  75         }
  76         // get a hold of the default initialized Any without copying
  77         anys[i] = getAny(components[i]);
  78     }
  79 
  80     protected TypeCode getContentType() {
  81         try {
  82             return any.type().content_type();
  83         } catch (BadKind badKind) { // impossible
  84             return null;
  85         }
  86     }
  87 
  88     // This method has a different meaning for sequence and array:
  89     // For sequence value of 0 indicates an unbounded sequence,
  90     // values > 0 indicate a bounded sequence.
  91     // For array any value indicates the boundary.
  92     protected int getBound() {
  93         try {
  94             return any.type().length();
  95         } catch (BadKind badKind) { // impossible
  96             return 0;
  97         }
  98     }
  99 
 100     //
 101     // DynAny interface methods
 102     //
 103 
 104     // _REVISIT_ More efficient copy operation
 105 
 106     //
 107     // Collection methods
 108     //
 109 
 110     public org.omg.CORBA.Any[] get_elements () {
 111         if (status == STATUS_DESTROYED) {
 112             throw wrapper.dynAnyDestroyed() ;
 113         }
 114         return (checkInitComponents() ? anys : null);
 115     }
 116 
 117     protected abstract void checkValue(Object[] value)
 118         throws org.omg.DynamicAny.DynAnyPackage.InvalidValue;
 119 
 120     // Initializes the elements of the ordered collection.
 121     // If value does not contain the same number of elements as the array dimension,
 122     // the operation raises InvalidValue.
 123     // If one or more elements have a type that is inconsistent with the collections TypeCode,
 124     // the operation raises TypeMismatch.
 125     // This operation does not change the current position.
 126     public void set_elements (org.omg.CORBA.Any[] value)
 127         throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch,
 128                org.omg.DynamicAny.DynAnyPackage.InvalidValue
 129     {
 130         if (status == STATUS_DESTROYED) {
 131             throw wrapper.dynAnyDestroyed() ;
 132         }
 133         checkValue(value);
 134 
 135         components = new DynAny[value.length];
 136         anys = value;
 137 
 138         // We know that this is of kind tk_sequence or tk_array
 139         TypeCode expectedTypeCode = getContentType();
 140         for (int i=0; i<value.length; i++) {
 141             if (value[i] != null) {
 142                 if (! value[i].type().equal(expectedTypeCode)) {
 143                     clearData();
 144                     // _REVISIT_ More info
 145                     throw new TypeMismatch();
 146                 }
 147                 try {
 148                     // Creates the appropriate subtype without copying the Any
 149                     components[i] = DynAnyUtil.createMostDerivedDynAny(value[i], orb, false);
 150                     //System.out.println(this + " created component " + components[i]);
 151                 } catch (InconsistentTypeCode itc) {
 152                     throw new InvalidValue();
 153                 }
 154             } else {
 155                 clearData();
 156                 // _REVISIT_ More info
 157                 throw new InvalidValue();
 158             }
 159         }
 160         index = (value.length == 0 ? NO_INDEX : 0);
 161         // Other representations are invalidated by this operation
 162         representations = REPRESENTATION_COMPONENTS;
 163     }
 164 
 165     public org.omg.DynamicAny.DynAny[] get_elements_as_dyn_any () {
 166         if (status == STATUS_DESTROYED) {
 167             throw wrapper.dynAnyDestroyed() ;
 168         }
 169         return (checkInitComponents() ? components : null);
 170     }
 171 
 172     // Same semantics as set_elements(Any[])
 173     public void set_elements_as_dyn_any (org.omg.DynamicAny.DynAny[] value)
 174         throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch,
 175                org.omg.DynamicAny.DynAnyPackage.InvalidValue
 176     {
 177         if (status == STATUS_DESTROYED) {
 178             throw wrapper.dynAnyDestroyed() ;
 179         }
 180         checkValue(value);
 181 
 182         components = (value == null ? emptyComponents : value);
 183         anys = new Any[value.length];
 184 
 185         // We know that this is of kind tk_sequence or tk_array
 186         TypeCode expectedTypeCode = getContentType();
 187         for (int i=0; i<value.length; i++) {
 188             if (value[i] != null) {
 189                 if (! value[i].type().equal(expectedTypeCode)) {
 190                     clearData();
 191                     // _REVISIT_ More info
 192                     throw new TypeMismatch();
 193                 }
 194                 anys[i] = getAny(value[i]);
 195             } else {
 196                 clearData();
 197                 // _REVISIT_ More info
 198                 throw new InvalidValue();
 199             }
 200         }
 201         index = (value.length == 0 ? NO_INDEX : 0);
 202         // Other representations are invalidated by this operation
 203         representations = REPRESENTATION_COMPONENTS;
 204     }
 205 }