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Java > Open Source Codes > org > eclipse > jdt > internal > corext > refactoring > typeconstraints > types > RawType


1 /*******************************************************************************
2  * Copyright (c) 2000, 2006 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/

11 package org.eclipse.jdt.internal.corext.refactoring.typeconstraints.types;
12
13 import org.eclipse.core.runtime.Assert;
14
15 import org.eclipse.jdt.core.IType;
16 import org.eclipse.jdt.core.dom.ITypeBinding;
17
18
19 public final class RawType extends HierarchyType {
20     
21     private HierarchyType fTypeDeclaration;
22     
23     protected RawType(TypeEnvironment environment) {
24         super(environment);
25     }
26
27     protected void initialize(ITypeBinding binding, IType javaElementType) {
28         Assert.isTrue(binding.isRawType());
29         super.initialize(binding, javaElementType);
30         TypeEnvironment environment= getEnvironment();
31         fTypeDeclaration= (HierarchyType)environment.create(binding.getTypeDeclaration());
32     }
33     
34     public int getKind() {
35         return RAW_TYPE;
36     }
37     
38     public boolean doEquals(TType type) {
39         return getJavaElementType().equals(((RawType)type).getJavaElementType());
40     }
41     
42     public int hashCode() {
43         return getJavaElementType().hashCode();
44     }
45     
46     public TType getTypeDeclaration() {
47         return fTypeDeclaration;
48     }
49     
50     public TType getErasure() {
51         return fTypeDeclaration;
52     }
53     
54     /*package*/ HierarchyType getHierarchyType() {
55         return fTypeDeclaration;
56     }
57     
58     protected boolean doCanAssignTo(TType lhs) {
59         int targetType= lhs.getKind();
60         switch (targetType) {
61             case NULL_TYPE: return false;
62             case VOID_TYPE: return false;
63             case PRIMITIVE_TYPE: return false;
64             
65             case ARRAY_TYPE: return false;
66             
67             case STANDARD_TYPE: return canAssignToStandardType((StandardType)lhs);
68             case GENERIC_TYPE: return false;
69             case PARAMETERIZED_TYPE: return isSubType((ParameterizedType)lhs);
70             case RAW_TYPE: return isSubType((HierarchyType)lhs);
71             
72             case UNBOUND_WILDCARD_TYPE:
73             case SUPER_WILDCARD_TYPE:
74             case EXTENDS_WILDCARD_TYPE:
75                 return ((WildcardType)lhs).checkAssignmentBound(this);
76             
77             case TYPE_VARIABLE: return false;
78             case CAPTURE_TYPE:
79                 return ((CaptureType)lhs).checkLowerBound(this);
80         }
81         return false;
82     }
83
84     protected boolean isTypeEquivalentTo(TType other) {
85         int otherElementType= other.getKind();
86         if (otherElementType == PARAMETERIZED_TYPE || otherElementType == GENERIC_TYPE)
87             return getErasure().isTypeEquivalentTo(other.getErasure());
88         return super.isTypeEquivalentTo(other);
89     }
90
91     public String JavaDoc getName() {
92         return getJavaElementType().getElementName();
93     }
94     
95     protected String JavaDoc getPlainPrettySignature() {
96         return getJavaElementType().getFullyQualifiedName('.');
97     }
98 }
99
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