/*

 * 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

 * particular file as subject to the "Classpath" exception as provided

 *

 * 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.

 *

 */

/*

 * Licensed Materials - Property of IBM

 * RMI-IIOP v1.0

 * Copyright IBM Corp. 1998 1999  All Rights Reserved

 *

 */

package sun.rmi.rmic.iiop;

import java.util.Vector;

import sun.tools.java.CompilerError;

import sun.tools.java.ClassNotFound;

import sun.tools.java.ClassDefinition;

/**

 * NCClassType represents any non-special class which does not

 * extends one or more interfaces which inherit from java.rmi.Remote.

 * <p>

 * The static forImplementation(...) method must be used to obtain an instance,

 * and will return null if the ClassDefinition is non-conforming.

 *

 * @author      Bryan Atsatt

 */

public class NCClassType extends ClassType {

    //_____________________________________________________________________

    // Public Interfaces

    //_____________________________________________________________________

    /**

     * Create an NCClassType 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 NCClassType forNCClass(ClassDefinition classDef,

                                         ContextStack stack) {

        if (stack.anyErrors()) return null;

        boolean doPop = false;

        try {

            // Do we already have it?

            sun.tools.java.Type theType = classDef.getType();

            Type existing = getType(theType,stack);

            if (existing != null) {

                if (!(existing instanceof NCClassType)) return null; // False hit.

                                // Yep, so return it...

                return (NCClassType) existing;

            }

            NCClassType it = new NCClassType(stack, classDef);

            putType(theType,it,stack);

            stack.push(it);

            doPop = true;

            if (it.initialize(stack)) {

                stack.pop(true);

                return it;

            } else {

                removeType(theType,stack);

                stack.pop(false);

                return null;

            }

        } catch (CompilerError e) {

            if (doPop) stack.pop(false);

            return null;

        }

    }

    /**

     * Return a string describing this type.

     */

    public String getTypeDescription () {

        return addExceptionDescription("Non-conforming class");

    }

    //_____________________________________________________________________

    // Internal/Subclass Interfaces

    //_____________________________________________________________________

    /**

     * Create a NCClassType instance for the given class.  The resulting

     * object is not yet completely initialized.

     */

    private NCClassType(ContextStack stack, ClassDefinition classDef) {

        super(stack,classDef,TYPE_NC_CLASS | TM_CLASS | TM_COMPOUND);

    }

    //_____________________________________________________________________

    // Internal Interfaces

    //_____________________________________________________________________

    /**

     * Initialize this instance.

     */

    private boolean initialize (ContextStack stack) {

        if (!initParents(stack)) {

            return false;

        }

        if (stack.getEnv().getParseNonConforming()) {

            Vector directInterfaces = new Vector();

            Vector directMethods = new Vector();

            Vector directMembers = new Vector();

            try {

                // Get methods...

                if (addAllMethods(getClassDefinition(),directMethods,false,false,stack) != null) {

                    // Update parent class methods...

                    if (updateParentClassMethods(getClassDefinition(),directMethods,false,stack) != null) {

                    // Get conforming constants...

                    if (addConformingConstants(directMembers,false,stack)) {

                        // We're ok, so pass 'em up...

                        if (!initialize(directInterfaces,directMethods,directMembers,stack,false)) {

                            return false;

                        }

                    }

                    }

                }

                return true;

            } catch (ClassNotFound e) {

                classNotFound(stack,e);

            }

            return false;

        } else {

            return initialize(null,null,null,stack,false);

        }

    }

}