/*******************************************************************************
 * Copyright (c) 2000, 2011 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.ide.ext.java.jdt.internal.corext.refactoring.types;

import org.eclipse.che.ide.ext.java.jdt.core.dom.ITypeBinding;
import org.eclipse.che.ide.runtime.Assert;


public final class RawType extends HierarchyType {

    private HierarchyType fTypeDeclaration;

    protected RawType(TypeEnvironment environment) {
        super(environment);
    }

    @Override
    protected void initialize(ITypeBinding binding) {
        Assert.isTrue(binding.isRawType());
        super.initialize(binding);
        TypeEnvironment environment = getEnvironment();
        fTypeDeclaration = (HierarchyType)environment.create(binding.getTypeDeclaration());
    }

    @Override
    public int getKind() {
        return RAW_TYPE;
    }

    @Override
    public boolean doEquals(TType type) {
        return getJavaTypeBinding().isEqualTo(((RawType)type).getJavaTypeBinding());
    }

    @Override
    public int hashCode() {
        return getJavaTypeBinding().hashCode();
    }

    @Override
    public TType getTypeDeclaration() {
        return fTypeDeclaration;
    }

    @Override
    public TType getErasure() {
        return fTypeDeclaration;
    }

    /*package*/HierarchyType getHierarchyType() {
        return fTypeDeclaration;
    }

    @Override
    protected boolean doCanAssignTo(TType lhs) {
        int targetType = lhs.getKind();
        switch (targetType) {
            case NULL_TYPE:
                return false;
            case VOID_TYPE:
                return false;
            case PRIMITIVE_TYPE:
                return false;

            case ARRAY_TYPE:
                return false;

            case STANDARD_TYPE:
                return canAssignToStandardType((StandardType)lhs);
            case GENERIC_TYPE:
                return false;
            case PARAMETERIZED_TYPE:
                return isSubType((ParameterizedType)lhs);
            case RAW_TYPE:
                return isSubType((HierarchyType)lhs);

            case UNBOUND_WILDCARD_TYPE:
            case SUPER_WILDCARD_TYPE:
            case EXTENDS_WILDCARD_TYPE:
                return ((WildcardType)lhs).checkAssignmentBound(this);

            case TYPE_VARIABLE:
                return false;
            case CAPTURE_TYPE:
                return ((CaptureType)lhs).checkLowerBound(this);
        }
        return false;
    }

    @Override
    protected boolean isTypeEquivalentTo(TType other) {
        int otherElementType = other.getKind();
        if (otherElementType == PARAMETERIZED_TYPE || otherElementType == GENERIC_TYPE)
            return getErasure().isTypeEquivalentTo(other.getErasure());
        return super.isTypeEquivalentTo(other);
    }

    @Override
    public String getName() {
        return getJavaTypeBinding().getName();
    }

    @Override
    protected String getPlainPrettySignature() {
        return getJavaTypeBinding().getQualifiedName();
    }
}