/*

 * 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

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package com.sun.tools.internal.xjc.model;

import javax.xml.namespace.QName;

import com.sun.codemodel.internal.JClass;

import com.sun.tools.internal.xjc.model.nav.NClass;

import com.sun.tools.internal.xjc.model.nav.NType;

import com.sun.tools.internal.xjc.outline.Aspect;

import com.sun.tools.internal.xjc.outline.Outline;

import com.sun.tools.internal.xjc.reader.xmlschema.bindinfo.BIClass;

import com.sun.tools.internal.xjc.reader.xmlschema.bindinfo.BIEnum;

import com.sun.xml.internal.xsom.XSComponent;

/**

 * Refernece to an existing class.

 *

 * @author Kohsuke Kawaguchi

 */

public final class CClassRef extends AbstractCElement implements NClass, CClass {

    private final String fullyQualifiedClassName;

    /**

     *

     * @param decl

     *      The {@link BIClass} declaration that has {@link BIClass#getExistingClassRef()}

     */

    public CClassRef(Model model, XSComponent source, BIClass decl, CCustomizations customizations) {

        super(model, source, decl.getLocation(), customizations);

        fullyQualifiedClassName = decl.getExistingClassRef();

        assert fullyQualifiedClassName!=null;

    }

    /**

     *

     * @param decl

     *      The {@link BIClass} declaration that has {@link BIEnum#ref}

     */

    public CClassRef(Model model, XSComponent source, BIEnum decl, CCustomizations customizations) {

        super(model, source, decl.getLocation(), customizations);

        fullyQualifiedClassName = decl.ref;

        assert fullyQualifiedClassName!=null;

    }

    public void setAbstract() {

        // assume that the referenced class is marked as abstract to begin with.

    }

    public boolean isAbstract() {

        // no way to find out for sure

        return false;

    }

    public NType getType() {

        return this;

    }

    /**

     * Cached for both performance and single identity.

     */

    private JClass clazz;

    public JClass toType(Outline o, Aspect aspect) {

        if(clazz==null)

            clazz = o.getCodeModel().ref(fullyQualifiedClassName);

        return clazz;

    }

    public String fullName() {

        return fullyQualifiedClassName;

    }

    public QName getTypeName() {

        return null;

    }

    /**

     * Guaranteed to return this.

     */

    @Deprecated

    public CNonElement getInfo() {

        return this;

    }

// are these going to bite us?

//    we can compute some of them, but not all.

    public CElement getSubstitutionHead() {

        return null;

    }

    public CClassInfo getScope() {

        return null;

    }

    public QName getElementName() {

        return null;

    }

    public boolean isBoxedType() {

        return false;

    }

    public boolean isSimpleType() {

        return false;

    }

}