/*

 * Copyright (c) 1997, 2013, 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.

 */

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

import java.lang.reflect.Type;

import java.util.Collection;

import com.sun.codemodel.internal.JClass;

import com.sun.xml.internal.bind.v2.model.nav.Navigator;

import com.sun.xml.internal.bind.v2.runtime.Location;

/**

 * {@link Navigator} implementation for XJC.

 *

 * Most of the Navigator methods are used for parsing the model, which doesn't happen

 * in XJC. So Most of the methods aren't really implemented. Implementations should

 * be filled in as needed.

 *

 * @author Kohsuke Kawaguchi

 */

public final class NavigatorImpl implements Navigator<NType,NClass,Void,Void> {

    public static final NavigatorImpl theInstance = new NavigatorImpl();

    private NavigatorImpl() {

    }

    public NClass getSuperClass(NClass nClass) {

        throw new UnsupportedOperationException();

    }

    public NType getBaseClass(NType nt, NClass base) {

        if(nt instanceof EagerNType) {

            EagerNType ent = (EagerNType) nt;

            if (base instanceof EagerNClass) {

                EagerNClass enc = (EagerNClass) base;

            }

            // lazy class can never be a base type of an eager type

            return null;

        }

        if (nt instanceof NClassByJClass) {

            NClassByJClass nnt = (NClassByJClass) nt;

            if (base instanceof EagerNClass) {

                EagerNClass enc = (EagerNClass) base;

                return ref(nnt.clazz.getBaseClass(enc.c));

            }

        }

        throw new UnsupportedOperationException();

    }

    public String getClassName(NClass nClass) {

        throw new UnsupportedOperationException();

    }

    public String getTypeName(NType type) {

        return type.fullName();

    }

    public String getClassShortName(NClass nClass) {

        throw new UnsupportedOperationException();

    }

    public Collection<? extends Void> getDeclaredFields(NClass nClass) {

        throw new UnsupportedOperationException();

    }

    public Void getDeclaredField(NClass clazz, String fieldName) {

        throw new UnsupportedOperationException();

    }

    public Collection<? extends Void> getDeclaredMethods(NClass nClass) {

        throw new UnsupportedOperationException();

    }

    public NClass getDeclaringClassForField(Void aVoid) {

        throw new UnsupportedOperationException();

    }

    public NClass getDeclaringClassForMethod(Void aVoid) {

        throw new UnsupportedOperationException();

    }

    public NType getFieldType(Void aVoid) {

        throw new UnsupportedOperationException();

    }

    public String getFieldName(Void aVoid) {

        throw new UnsupportedOperationException();

    }

    public String getMethodName(Void aVoid) {

        throw new UnsupportedOperationException();

    }

    public NType getReturnType(Void aVoid) {

        throw new UnsupportedOperationException();

    }

    public NType[] getMethodParameters(Void aVoid) {

        throw new UnsupportedOperationException();

    }

    public boolean isStaticMethod(Void aVoid) {

        throw new UnsupportedOperationException();

    }

    public boolean isFinalMethod(Void aVoid) {

        throw new UnsupportedOperationException();

    }

    public boolean isSubClassOf(NType sub, NType sup) {

        throw new UnsupportedOperationException();

    }

    public NClass ref(Class c) {

        return create(c);

    }

    public NClass ref(JClass c) {

        if(c==null)     return null;

        return new NClassByJClass(c);

    }

    public NType use(NClass nc) {

        return nc;

    }

    public NClass asDecl(NType nt) {

        if(nt instanceof NClass)

            return (NClass)nt;

        else

            return null;

    }

    public NClass asDecl(Class c) {

        return ref(c);

    }

    public boolean isArray(NType nType) {

        throw new UnsupportedOperationException();

    }

    public boolean isArrayButNotByteArray(NType t) {

        throw new UnsupportedOperationException();

    }

    public NType getComponentType(NType nType) {

        throw new UnsupportedOperationException();

    }

    public NType getTypeArgument(NType nt, int i) {

        if (nt instanceof EagerNType) {

            EagerNType ent = (EagerNType) nt;

        }

        if (nt instanceof NClassByJClass) {

            NClassByJClass nnt = (NClassByJClass) nt;

            return ref(nnt.clazz.getTypeParameters().get(i));

        }

        throw new UnsupportedOperationException();

    }

    public boolean isParameterizedType(NType nt) {

        if (nt instanceof EagerNType) {

            EagerNType ent = (EagerNType) nt;

        }

        if (nt instanceof NClassByJClass) {

            NClassByJClass nnt = (NClassByJClass) nt;

            return nnt.clazz.isParameterized();

        }

        throw new UnsupportedOperationException();

    }

    public boolean isPrimitive(NType type) {

        throw new UnsupportedOperationException();

    }

    public NType getPrimitive(Class primitiveType) {

        return create(primitiveType);

    }

    @SuppressWarnings("FinalStaticMethod")

    public static final NType create(Type t) {

        if(t==null)     return null;

        if(t instanceof Class)

            return create((Class)t);

        return new EagerNType(t);

    }

    public static NClass create( Class c ) {

        if(c==null)     return null;

        return new EagerNClass(c);

    }

    /**

     * Creates a {@link NType} representation for a parameterized type

     * {@code RawType<ParamType1,ParamType2,...> }.

     */

    public static NType createParameterizedType( NClass rawType, NType... args ) {

        return new NParameterizedType(rawType,args);

    }

    public static NType createParameterizedType( Class rawType, NType... args ) {

        return new NParameterizedType(create(rawType),args);

    }

    public Location getClassLocation(final NClass c) {

        // not really needed for XJC but doesn't hurt to have one

        return new Location() {

            @Override

            public String toString() {

                return c.fullName();

            }

        };

    }

    public Location getFieldLocation(Void v) {

        throw new IllegalStateException();

    }

    public Location getMethodLocation(Void v) {

        throw new IllegalStateException();

    }

    public boolean hasDefaultConstructor(NClass nClass) {

        throw new UnsupportedOperationException();

    }

    public boolean isStaticField(Void aVoid) {

        throw new IllegalStateException();

    }

    public boolean isPublicMethod(Void aVoid) {

        throw new IllegalStateException();

    }

    public boolean isPublicField(Void aVoid) {

        throw new IllegalStateException();

    }

    public boolean isEnum(NClass c) {

        return isSubClassOf(c,create(Enum.class));

    }

    public <T> NType erasure(NType type) {

        if(type instanceof NParameterizedType) {

            NParameterizedType pt = (NParameterizedType) type;

            return pt.rawType;

        }

        return type;

    }

    public boolean isAbstract(NClass clazz) {

        return clazz.isAbstract();

    }

    /**

     * @deprecated

     *      no class generated by XJC is final.

     */

    public boolean isFinal(NClass clazz) {

        return false;

    }

    public Void[] getEnumConstants(NClass clazz) {

        throw new UnsupportedOperationException();

    }

    public NType getVoidType() {

        return ref(void.class);

    }

    public String getPackageName(NClass clazz) {

        // TODO: implement this method later

        throw new UnsupportedOperationException();

    }

        throw new UnsupportedOperationException();

    }

    public boolean isBridgeMethod(Void method) {

        throw new UnsupportedOperationException();

    }

    public boolean isOverriding(Void method,NClass clazz) {

        throw new UnsupportedOperationException();

    }

    public boolean isInterface(NClass clazz) {

        throw new UnsupportedOperationException();

    }

    public boolean isTransient(Void f) {

        throw new UnsupportedOperationException();

    }

    public boolean isInnerClass(NClass clazz) {

        throw new UnsupportedOperationException();

    }

    @Override

    public boolean isSameType(NType t1, NType t2) {

         throw new UnsupportedOperationException();

    }

}