| /* |
| * Copyright 2008 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.dev.jjs.ast; |
| |
| /** |
| * A type including all the values in some other type except for |
| * <code>null</code>. |
| */ |
| public class JNonNullType extends JReferenceType { |
| |
| private final JReferenceType ref; |
| |
| JNonNullType(JReferenceType ref) { |
| super(ref.getSourceInfo(), ref.getName()); |
| assert ref.canBeNull(); |
| this.ref = ref; |
| } |
| |
| @Override |
| public boolean canBeNull() { |
| return false; |
| } |
| |
| @Override |
| public String getClassLiteralFactoryMethod() { |
| return ref.getClassLiteralFactoryMethod(); |
| } |
| |
| @Override |
| public JClassType getSuperClass() { |
| return ref.getSuperClass(); |
| } |
| |
| @Override |
| public JReferenceType getUnderlyingType() { |
| return ref; |
| } |
| |
| public boolean isAbstract() { |
| return ref.isAbstract(); |
| } |
| |
| public boolean isFinal() { |
| return ref.isFinal(); |
| } |
| |
| public void traverse(JVisitor visitor, Context ctx) { |
| visitor.accept(ref); |
| } |
| } |