/*
* Copyright (c) 1998, 2007, Oracle and/or its affiliates. All rights reserved.
* 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
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* Licensed Materials - Property of IBM
* RMI-IIOP v1.0
* Copyright IBM Corp. 1998 1999 All Rights Reserved
*
*/
package sun.rmi.rmic.iiop;
import sun.tools.java.ClassNotFound;
import sun.tools.java.CompilerError;
import sun.tools.java.Identifier;
import sun.tools.java.ClassDefinition;
/**
* SpecialClassType represents any one of the following types:
* <pre>
* java.lang.Object
* java.lang.String
* </pre>
* all of which are treated as special cases.
* <p>
* The static forSpecial(...) method must be used to obtain an instance, and
* will return null if the type is non-conforming.
*
* @author Bryan Atsatt
*/
public class SpecialClassType extends ClassType {
//_____________________________________________________________________
// Public Interfaces
//_____________________________________________________________________
/**
* Create a SpecialClassType object for the given class.
*
* If the class is not a properly formed or if some other error occurs, the
* return value will be null, and errors will have been reported to the
* supplied BatchEnvironment.
*/
public static SpecialClassType forSpecial (ClassDefinition theClass,
ContextStack stack) {
if (stack.anyErrors()) return null;
sun.tools.java.Type type = theClass.getType();
// Do we already have it?
String typeKey = type.toString() + stack.getContextCodeString();
Type existing = getType(typeKey,stack);
if (existing != null) {
if (!(existing instanceof SpecialClassType)) return null; // False hit.
// Yep, so return it...
return (SpecialClassType) existing;
}
// Is it a special type?
int typeCode = getTypeCode(type,theClass,stack);
if (typeCode != TYPE_NONE) {
// Yes...
SpecialClassType result = new SpecialClassType(stack,typeCode,theClass);
putType(typeKey,result,stack);
stack.push(result);
stack.pop(true);
return result;
} else {
return null;
}
}
/**
* Return a string describing this type.
*/
public String getTypeDescription () {
return "Special class";
}
//_____________________________________________________________________
// Subclass/Internal Interfaces
//_____________________________________________________________________
/**
* Create an SpecialClassType instance for the given class.
*/
private SpecialClassType(ContextStack stack, int typeCode,
ClassDefinition theClass) {
super(stack,typeCode | TM_SPECIAL_CLASS | TM_CLASS | TM_COMPOUND, theClass);
Identifier id = theClass.getName();
String idlName = null;
String[] idlModuleName = null;
boolean constant = stack.size() > 0 && stack.getContext().isConstant();
// Set names...
switch (typeCode) {
case TYPE_STRING: {
idlName = IDLNames.getTypeName(typeCode,constant);
if (!constant) {
idlModuleName = IDL_CORBA_MODULE;
}
break;
}
case TYPE_ANY: {
idlName = IDL_JAVA_LANG_OBJECT;
idlModuleName = IDL_JAVA_LANG_MODULE;
break;
}
}
setNames(id,idlModuleName,idlName);
// Init parents...
if (!initParents(stack)) {
// Should not be possible!
throw new CompilerError("SpecialClassType found invalid parent.");
}
// Initialize CompoundType...
initialize(null,null,null,stack,false);
}
private static int getTypeCode(sun.tools.java.Type type, ClassDefinition theClass, ContextStack stack) {
if (type.isType(TC_CLASS)) {
Identifier id = type.getClassName();
if (id == idJavaLangString) return TYPE_STRING;
if (id == idJavaLangObject) return TYPE_ANY;
}
return TYPE_NONE;
}
}