Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / jdt-before / core refactoring / org / eclipse / jdt / internal / corext / refactoring / typeconstraints / types / SuperWildcardType.java

diff --git a/case-study/jdt-before/core refactoring/org/eclipse/jdt/internal/corext/refactoring/typeconstraints/types/SuperWildcardType.java b/case-study/jdt-before/core refactoring/org/eclipse/jdt/internal/corext/refactoring/typeconstraints/types/SuperWildcardType.java
new file mode 100644 (file)
index 0000000..791f198
--- /dev/null
+++ b/case-study/jdt-before/core refactoring/org/eclipse/jdt/internal/corext/refactoring/typeconstraints/types/SuperWildcardType.java
@@ -0,0 +1,94 @@
+/*******************************************************************************
+ * 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.jdt.internal.corext.refactoring.typeconstraints.types;
+
+public final class SuperWildcardType extends WildcardType {
+
+       protected SuperWildcardType(TypeEnvironment environment) {
+               super(environment);
+       }
+
+       @Override
+       public TType getErasure() {
+               return getEnvironment().getJavaLangObject();
+       }
+
+       @Override
+       public int getKind() {
+               return SUPER_WILDCARD_TYPE;
+       }
+
+       @Override
+       protected boolean doCanAssignTo(TType lhs) {
+               switch(lhs.getKind()) {
+                       case STANDARD_TYPE:
+                               return ((StandardType)lhs).isJavaLangObject();
+                       case UNBOUND_WILDCARD_TYPE:
+                               return true;
+                       case EXTENDS_WILDCARD_TYPE:
+                               return ((ExtendsWildcardType)lhs).getBound().isJavaLangObject();
+                       case SUPER_WILDCARD_TYPE:
+                               return ((SuperWildcardType)lhs).getBound().canAssignTo(this.getBound());
+                       case TYPE_VARIABLE:
+                               return ((TypeVariable)lhs).isUnbounded();
+                       case CAPTURE_TYPE:
+                               return ((CaptureType)lhs).checkLowerBound(this);
+
+                       default:
+                               return false;
+               }
+       }
+
+       @Override
+       protected boolean checkTypeArgument(TType rhs) {
+               switch(rhs.getKind()) {
+                       case ARRAY_TYPE:
+                       case STANDARD_TYPE:
+                       case PARAMETERIZED_TYPE:
+                       case RAW_TYPE:
+                               return getBound().canAssignTo(rhs);
+
+                       case UNBOUND_WILDCARD_TYPE:
+                               return false;
+                       case EXTENDS_WILDCARD_TYPE:
+                               return false;
+                       case SUPER_WILDCARD_TYPE:
+                               return getBound().canAssignTo(((SuperWildcardType)rhs).getBound());
+
+                       case TYPE_VARIABLE:
+                               return getBound().canAssignTo(rhs);
+
+                       case CAPTURE_TYPE:
+                               return checkTypeArgument(((CaptureType)rhs).getWildcard());
+
+                       default:
+                               return false;
+               }
+       }
+
+       @Override
+       protected boolean checkAssignmentBound(TType rhs) {
+               // ? super Number is a set of all super types of number including
+               // Number. So I can only assign objects which are a subtype of
+               // Number.
+               return rhs.canAssignTo(getBound());
+       }
+
+       @Override
+       public String getName() {
+               return internalGetName("super"); //$NON-NLS-1$
+       }
+
+       @Override
+       protected String getPlainPrettySignature() {
+               return internalGetPrettySignature("super"); //$NON-NLS-1$
+       }
+}