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/*
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* Copyright (c) 1998, 2007, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* Licensed Materials - Property of IBM
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* RMI-IIOP v1.0
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* Copyright IBM Corp. 1998 1999 All Rights Reserved
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*
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*/
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package sun.rmi.rmic.iiop;
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import sun.tools.java.ClassNotFound;
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import sun.tools.java.CompilerError;
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import sun.tools.java.Identifier;
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import sun.tools.java.ClassDeclaration;
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import sun.tools.java.ClassDefinition;
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/**
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* SpecialInterfaceType represents any one of the following types:
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* <pre>
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* java.rmi.Remote
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* java.io.Serializable
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* java.io.Externalizable
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* org.omg.CORBA.Object
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* org.omg.CORBA.portable.IDLEntity
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* </pre>
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* all of which are treated as special cases. For all but CORBA.Object,
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* the type must match exactly. For CORBA.Object, the type must either be
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* CORBA.Object or inherit from it.
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* <p>
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* The static forSpecial(...) method must be used to obtain an instance, and
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* will return null if the type is non-conforming.
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*
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* @author Bryan Atsatt
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*/
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public class SpecialInterfaceType extends InterfaceType {
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//_____________________________________________________________________
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// Public Interfaces
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//_____________________________________________________________________
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/**
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* Create a SpecialInterfaceType object for the given class.
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*
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* If the class is not a properly formed or if some other error occurs, the
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* return value will be null, and errors will have been reported to the
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* supplied BatchEnvironment.
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*/
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public static SpecialInterfaceType forSpecial ( ClassDefinition theClass,
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ContextStack stack) {
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if (stack.anyErrors()) return null;
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// Do we already have it?
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sun.tools.java.Type type = theClass.getType();
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Type existing = getType(type,stack);
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if (existing != null) {
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if (!(existing instanceof SpecialInterfaceType)) return null; // False hit.
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// Yep, so return it...
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return (SpecialInterfaceType) existing;
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}
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// Is it special?
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if (isSpecial(type,theClass,stack)) {
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// Yes...
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SpecialInterfaceType result = new SpecialInterfaceType(stack,0,theClass);
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putType(type,result,stack);
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stack.push(result);
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if (result.initialize(type,stack)) {
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stack.pop(true);
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return result;
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} else {
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removeType(type,stack);
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stack.pop(false);
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return null;
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}
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}
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return null;
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}
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/**
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* Return a string describing this type.
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*/
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public String getTypeDescription () {
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return "Special interface";
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}
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//_____________________________________________________________________
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// Subclass/Internal Interfaces
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//_____________________________________________________________________
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/**
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* Create an SpecialInterfaceType instance for the given class.
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*/
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private SpecialInterfaceType(ContextStack stack, int typeCode,
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ClassDefinition theClass) {
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super(stack,typeCode | TM_SPECIAL_INTERFACE | TM_INTERFACE | TM_COMPOUND, theClass);
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setNames(theClass.getName(),null,null); // Fixed in initialize.
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}
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private static boolean isSpecial(sun.tools.java.Type type,
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ClassDefinition theClass,
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ContextStack stack) {
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if (type.isType(TC_CLASS)) {
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Identifier id = type.getClassName();
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if (id.equals(idRemote)) return true;
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if (id == idJavaIoSerializable) return true;
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if (id == idJavaIoExternalizable) return true;
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if (id == idCorbaObject) return true;
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if (id == idIDLEntity) return true;
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BatchEnvironment env = stack.getEnv();
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try {
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if (env.defCorbaObject.implementedBy(env,theClass.getClassDeclaration())) return true;
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} catch (ClassNotFound e) {
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classNotFound(stack,e);
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}
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}
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return false;
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}
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private boolean initialize(sun.tools.java.Type type, ContextStack stack) {
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int typeCode = TYPE_NONE;
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Identifier id = null;
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String idlName = null;
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String[] idlModuleName = null;
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boolean constant = stack.size() > 0 && stack.getContext().isConstant();
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if (type.isType(TC_CLASS)) {
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id = type.getClassName();
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if (id.equals(idRemote)) {
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typeCode = TYPE_JAVA_RMI_REMOTE;
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idlName = IDL_JAVA_RMI_REMOTE;
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idlModuleName = IDL_JAVA_RMI_MODULE;
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} else if (id == idJavaIoSerializable) {
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typeCode = TYPE_ANY;
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idlName = IDL_SERIALIZABLE;
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idlModuleName = IDL_JAVA_IO_MODULE;
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} else if (id == idJavaIoExternalizable) {
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typeCode = TYPE_ANY;
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idlName = IDL_EXTERNALIZABLE;
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idlModuleName = IDL_JAVA_IO_MODULE;
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} else if (id == idIDLEntity) {
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typeCode = TYPE_ANY;
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idlName = IDL_IDLENTITY;
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idlModuleName = IDL_ORG_OMG_CORBA_PORTABLE_MODULE;
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} else {
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typeCode = TYPE_CORBA_OBJECT;
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// Is it exactly org.omg.CORBA.Object?
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if (id == idCorbaObject) {
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// Yes, so special case...
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idlName = IDLNames.getTypeName(typeCode,constant);
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idlModuleName = null;
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} else {
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// No, so get the correct names...
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try {
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// These can fail if we get case-sensitive name matches...
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idlName = IDLNames.getClassOrInterfaceName(id,env);
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idlModuleName = IDLNames.getModuleNames(id,isBoxed(),env);
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} catch (Exception e) {
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failedConstraint(7,false,stack,id.toString(),e.getMessage());
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throw new CompilerError("");
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}
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}
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}
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}
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if (typeCode == TYPE_NONE) {
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return false;
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}
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// Reset type code...
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setTypeCode(typeCode | TM_SPECIAL_INTERFACE | TM_INTERFACE | TM_COMPOUND);
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// Set names
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if (idlName == null) {
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throw new CompilerError("Not a special type");
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}
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setNames(id,idlModuleName,idlName);
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// Initialize CompoundType...
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return initialize(null,null,null,stack,false);
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}
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}
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