src/share/classes/com/sun/corba/se/impl/dynamicany/DynAnyImpl.java

Thu, 31 Aug 2017 18:10:36 +0800

author
aoqi
date
Thu, 31 Aug 2017 18:10:36 +0800
changeset 748
6845b95cba6b
parent 334
66c7161ee588
parent 0
7ef37b2cdcad
permissions
-rw-r--r--

merge

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation. Oracle designates this
aoqi@0 8 * particular file as subject to the "Classpath" exception as provided
aoqi@0 9 * by Oracle in the LICENSE file that accompanied this code.
aoqi@0 10 *
aoqi@0 11 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 14 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 15 * accompanied this code).
aoqi@0 16 *
aoqi@0 17 * You should have received a copy of the GNU General Public License version
aoqi@0 18 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 20 *
aoqi@0 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 22 * or visit www.oracle.com if you need additional information or have any
aoqi@0 23 * questions.
aoqi@0 24 */
aoqi@0 25
aoqi@0 26 package com.sun.corba.se.impl.dynamicany;
aoqi@0 27
aoqi@0 28 import org.omg.CORBA.Any;
aoqi@0 29 import org.omg.CORBA.TypeCode;
aoqi@0 30 import org.omg.CORBA.TCKind;
aoqi@0 31 import org.omg.CORBA.LocalObject;
aoqi@0 32 import org.omg.CORBA.ORBPackage.InvalidName;
aoqi@0 33 import org.omg.CORBA.portable.OutputStream;
aoqi@0 34
aoqi@0 35 import org.omg.DynamicAny.*;
aoqi@0 36 import org.omg.DynamicAny.DynAnyPackage.TypeMismatch;
aoqi@0 37 import org.omg.DynamicAny.DynAnyPackage.InvalidValue;
aoqi@0 38
aoqi@0 39 import com.sun.corba.se.impl.orbutil.ORBConstants ;
aoqi@0 40
aoqi@0 41 import com.sun.corba.se.spi.orb.ORB ;
aoqi@0 42 import com.sun.corba.se.spi.logging.CORBALogDomains ;
aoqi@0 43 import com.sun.corba.se.impl.logging.ORBUtilSystemException ;
aoqi@0 44
aoqi@0 45 abstract class DynAnyImpl extends org.omg.CORBA.LocalObject implements DynAny
aoqi@0 46 {
aoqi@0 47 protected static final int NO_INDEX = -1;
aoqi@0 48 // A DynAny is destroyable if it is the root of a DynAny hierarchy.
aoqi@0 49 protected static final byte STATUS_DESTROYABLE = 0;
aoqi@0 50 // A DynAny is undestroyable if it is a node in a DynAny hierarchy other than the root.
aoqi@0 51 protected static final byte STATUS_UNDESTROYABLE = 1;
aoqi@0 52 // A DynAny is destroyed if its root has been destroyed.
aoqi@0 53 protected static final byte STATUS_DESTROYED = 2;
aoqi@0 54
aoqi@0 55 //
aoqi@0 56 // Instance variables
aoqi@0 57 //
aoqi@0 58
aoqi@0 59 protected ORB orb = null;
aoqi@0 60 protected ORBUtilSystemException wrapper ;
aoqi@0 61
aoqi@0 62 // An Any is used internally to implement the basic DynAny.
aoqi@0 63 // It stores the DynAnys TypeCode.
aoqi@0 64 // For primitive types it is the only representation.
aoqi@0 65 // For complex types it is the streamed representation.
aoqi@0 66 protected Any any = null;
aoqi@0 67 // Destroyable is the default status for free standing DynAnys.
aoqi@0 68 protected byte status = STATUS_DESTROYABLE;
aoqi@0 69 protected int index = NO_INDEX;
aoqi@0 70
aoqi@0 71 //
aoqi@0 72 // Constructors
aoqi@0 73 //
aoqi@0 74
aoqi@0 75 protected DynAnyImpl() {
aoqi@0 76 wrapper = ORBUtilSystemException.get(
aoqi@0 77 CORBALogDomains.RPC_PRESENTATION ) ;
aoqi@0 78 }
aoqi@0 79
aoqi@0 80 protected DynAnyImpl(ORB orb, Any any, boolean copyValue) {
aoqi@0 81 this.orb = orb;
aoqi@0 82 wrapper = ORBUtilSystemException.get( orb,
aoqi@0 83 CORBALogDomains.RPC_PRESENTATION ) ;
aoqi@0 84 if (copyValue)
aoqi@0 85 this.any = DynAnyUtil.copy(any, orb);
aoqi@0 86 else
aoqi@0 87 this.any = any;
aoqi@0 88 // set the current position to 0 if any has components, otherwise to -1.
aoqi@0 89 index = NO_INDEX;
aoqi@0 90 }
aoqi@0 91
aoqi@0 92 protected DynAnyImpl(ORB orb, TypeCode typeCode) {
aoqi@0 93 this.orb = orb;
aoqi@0 94 wrapper = ORBUtilSystemException.get( orb,
aoqi@0 95 CORBALogDomains.RPC_PRESENTATION ) ;
aoqi@0 96 this.any = DynAnyUtil.createDefaultAnyOfType(typeCode, orb);
aoqi@0 97 }
aoqi@0 98
aoqi@0 99 protected DynAnyFactory factory() {
aoqi@0 100 try {
aoqi@0 101 return (DynAnyFactory)orb.resolve_initial_references(
aoqi@0 102 ORBConstants.DYN_ANY_FACTORY_NAME );
aoqi@0 103 } catch (InvalidName in) {
aoqi@0 104 throw new RuntimeException("Unable to find DynAnyFactory");
aoqi@0 105 }
aoqi@0 106 }
aoqi@0 107
aoqi@0 108 protected Any getAny() {
aoqi@0 109 return any;
aoqi@0 110 }
aoqi@0 111
aoqi@0 112 // Uses getAny() if this is our implementation, otherwise uses to_any()
aoqi@0 113 // which copies the Any.
aoqi@0 114 protected Any getAny(DynAny dynAny) {
aoqi@0 115 if (dynAny instanceof DynAnyImpl)
aoqi@0 116 return ((DynAnyImpl)dynAny).getAny();
aoqi@0 117 else
aoqi@0 118 // _REVISIT_ Nothing we can do about copying at this point
aoqi@0 119 // if this is not our implementation of DynAny.
aoqi@0 120 // To prevent this we would need another representation,
aoqi@0 121 // one where component DynAnys are initialized but not the component Anys.
aoqi@0 122 return dynAny.to_any();
aoqi@0 123 }
aoqi@0 124
aoqi@0 125 protected void writeAny(OutputStream out) {
aoqi@0 126 //System.out.println(this + " writeAny of type " + type().kind().value());
aoqi@0 127 any.write_value(out);
aoqi@0 128 }
aoqi@0 129
aoqi@0 130 protected void setStatus(byte newStatus) {
aoqi@0 131 status = newStatus;
aoqi@0 132 }
aoqi@0 133
aoqi@0 134 protected void clearData() {
aoqi@0 135 // This clears the data part of the Any while keeping the TypeCode info.
aoqi@0 136 any.type(any.type());
aoqi@0 137 }
aoqi@0 138
aoqi@0 139 //
aoqi@0 140 // DynAny interface methods
aoqi@0 141 //
aoqi@0 142
aoqi@0 143 public org.omg.CORBA.TypeCode type() {
aoqi@0 144 if (status == STATUS_DESTROYED) {
aoqi@0 145 throw wrapper.dynAnyDestroyed() ;
aoqi@0 146 }
aoqi@0 147 return any.type();
aoqi@0 148 }
aoqi@0 149
aoqi@0 150 // Makes a copy of the Any value inside the parameter
aoqi@0 151 public void assign (org.omg.DynamicAny.DynAny dyn_any)
aoqi@0 152 throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch
aoqi@0 153 {
aoqi@0 154 if (status == STATUS_DESTROYED) {
aoqi@0 155 throw wrapper.dynAnyDestroyed() ;
aoqi@0 156 }
aoqi@0 157 if ((any != null) && (! any.type().equal(dyn_any.type()))) {
aoqi@0 158 throw new TypeMismatch();
aoqi@0 159 }
aoqi@0 160 any = dyn_any.to_any();
aoqi@0 161 }
aoqi@0 162
aoqi@0 163 // Makes a copy of the Any parameter
aoqi@0 164 public void from_any (org.omg.CORBA.Any value)
aoqi@0 165 throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch,
aoqi@0 166 org.omg.DynamicAny.DynAnyPackage.InvalidValue
aoqi@0 167 {
aoqi@0 168 if (status == STATUS_DESTROYED) {
aoqi@0 169 throw wrapper.dynAnyDestroyed() ;
aoqi@0 170 }
aoqi@0 171 if ((any != null) && (! any.type().equal(value.type()))) {
aoqi@0 172 throw new TypeMismatch();
aoqi@0 173 }
aoqi@0 174 // If the passed Any does not contain a legal value
aoqi@0 175 // (such as a null string), the operation raises InvalidValue.
aoqi@0 176 Any tempAny = null;
aoqi@0 177 try {
aoqi@0 178 tempAny = DynAnyUtil.copy(value, orb);
aoqi@0 179 } catch (Exception e) {
aoqi@0 180 throw new InvalidValue();
aoqi@0 181 }
aoqi@0 182 if ( ! DynAnyUtil.isInitialized(tempAny)) {
aoqi@0 183 throw new InvalidValue();
aoqi@0 184 }
aoqi@0 185 any = tempAny;
aoqi@0 186 }
aoqi@0 187
aoqi@0 188 public abstract org.omg.CORBA.Any to_any();
aoqi@0 189 public abstract boolean equal (org.omg.DynamicAny.DynAny dyn_any);
aoqi@0 190 public abstract void destroy();
aoqi@0 191 public abstract org.omg.DynamicAny.DynAny copy();
aoqi@0 192
aoqi@0 193 // Needed for org.omg.CORBA.Object
aoqi@0 194
aoqi@0 195 private String[] __ids = { "IDL:omg.org/DynamicAny/DynAny:1.0" };
aoqi@0 196
aoqi@0 197 public String[] _ids() {
aoqi@0 198 return (String[]) __ids.clone();
aoqi@0 199 }
aoqi@0 200 }

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