01: /*
02: * The contents of this file are subject to the terms
03: * of the Common Development and Distribution License
04: * (the "License"). You may not use this file except
05: * in compliance with the License.
06: *
07: * You can obtain a copy of the license at
08: * https://jwsdp.dev.java.net/CDDLv1.0.html
09: * See the License for the specific language governing
10: * permissions and limitations under the License.
11: *
12: * When distributing Covered Code, include this CDDL
13: * HEADER in each file and include the License file at
14: * https://jwsdp.dev.java.net/CDDLv1.0.html If applicable,
15: * add the following below this CDDL HEADER, with the
16: * fields enclosed by brackets "[]" replaced with your
17: * own identifying information: Portions Copyright [yyyy]
18: * [name of copyright owner]
19: */
20: package com.sun.codemodel;
21:
22: import java.util.Collections;
23: import java.util.Iterator;
24: import java.util.List;
25:
26: /**
27: * Special class object that represents the type of "null".
28: *
29: * <p>
30: * Use this class with care.
31: *
32: * @author
33: * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
34: */
35: public final class JNullType extends JClass {
36:
37: JNullType(JCodeModel _owner) {
38: super (_owner);
39: }
40:
41: public String name() {
42: return "null";
43: }
44:
45: public String fullName() {
46: return "null";
47: }
48:
49: public JPackage _package() {
50: return owner()._package("");
51: }
52:
53: public JClass _extends() {
54: return null;
55: }
56:
57: public Iterator<JClass> _implements () {
58: return Collections.<JClass> emptyList().iterator();
59: }
60:
61: public boolean isInterface() {
62: return false;
63: }
64:
65: public boolean isAbstract() {
66: return false;
67: }
68:
69: protected JClass substituteParams(JTypeVar[] variables,
70: List<JClass> bindings) {
71: return this;
72: }
73: }
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