src/share/jaxws_classes/com/sun/codemodel/internal/JTypeWildcard.java

Thu, 12 Oct 2017 19:44:07 +0800

author
aoqi
date
Thu, 12 Oct 2017 19:44:07 +0800
changeset 760
e530533619ec
parent 0
373ffda63c9a
permissions
-rw-r--r--

merge

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation. Oracle designates this
aoqi@0 8 * particular file as subject to the "Classpath" exception as provided
aoqi@0 9 * by Oracle in the LICENSE file that accompanied this code.
aoqi@0 10 *
aoqi@0 11 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 14 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 15 * accompanied this code).
aoqi@0 16 *
aoqi@0 17 * You should have received a copy of the GNU General Public License version
aoqi@0 18 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 20 *
aoqi@0 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 22 * or visit www.oracle.com if you need additional information or have any
aoqi@0 23 * questions.
aoqi@0 24 */
aoqi@0 25
aoqi@0 26 package com.sun.codemodel.internal;
aoqi@0 27
aoqi@0 28 import java.util.Iterator;
aoqi@0 29 import java.util.List;
aoqi@0 30
aoqi@0 31 /**
aoqi@0 32 * Represents a wildcard type like "? extends Foo".
aoqi@0 33 *
aoqi@0 34 * <p>
aoqi@0 35 * Instances of this class can be obtained from {@link JClass#wildcard()}
aoqi@0 36 *
aoqi@0 37 * TODO: extend this to cover "? super Integer".
aoqi@0 38 *
aoqi@0 39 * <p>
aoqi@0 40 * Our modeling of types are starting to look really ugly.
aoqi@0 41 * ideally it should have been done somewhat like APT,
aoqi@0 42 * but it's too late now.
aoqi@0 43 *
aoqi@0 44 * @author Kohsuke Kawaguchi
aoqi@0 45 */
aoqi@0 46 final class JTypeWildcard extends JClass {
aoqi@0 47
aoqi@0 48 private final JClass bound;
aoqi@0 49
aoqi@0 50 JTypeWildcard(JClass bound) {
aoqi@0 51 super(bound.owner());
aoqi@0 52 this.bound = bound;
aoqi@0 53 }
aoqi@0 54
aoqi@0 55 public String name() {
aoqi@0 56 return "? extends "+bound.name();
aoqi@0 57 }
aoqi@0 58
aoqi@0 59 public String fullName() {
aoqi@0 60 return "? extends "+bound.fullName();
aoqi@0 61 }
aoqi@0 62
aoqi@0 63 public JPackage _package() {
aoqi@0 64 return null;
aoqi@0 65 }
aoqi@0 66
aoqi@0 67 /**
aoqi@0 68 * Returns the class bound of this variable.
aoqi@0 69 *
aoqi@0 70 * <p>
aoqi@0 71 * If no bound is given, this method returns {@link Object}.
aoqi@0 72 */
aoqi@0 73 public JClass _extends() {
aoqi@0 74 if(bound!=null)
aoqi@0 75 return bound;
aoqi@0 76 else
aoqi@0 77 return owner().ref(Object.class);
aoqi@0 78 }
aoqi@0 79
aoqi@0 80 /**
aoqi@0 81 * Returns the interface bounds of this variable.
aoqi@0 82 */
aoqi@0 83 public Iterator<JClass> _implements() {
aoqi@0 84 return bound._implements();
aoqi@0 85 }
aoqi@0 86
aoqi@0 87 public boolean isInterface() {
aoqi@0 88 return false;
aoqi@0 89 }
aoqi@0 90
aoqi@0 91 public boolean isAbstract() {
aoqi@0 92 return false;
aoqi@0 93 }
aoqi@0 94
aoqi@0 95 protected JClass substituteParams(JTypeVar[] variables, List<JClass> bindings) {
aoqi@0 96 JClass nb = bound.substituteParams(variables,bindings);
aoqi@0 97 if(nb==bound)
aoqi@0 98 return this;
aoqi@0 99 else
aoqi@0 100 return new JTypeWildcard(nb);
aoqi@0 101 }
aoqi@0 102
aoqi@0 103 public void generate(JFormatter f) {
aoqi@0 104 if(bound._extends()==null)
aoqi@0 105 f.p("?"); // instead of "? extends Object"
aoqi@0 106 else
aoqi@0 107 f.p("? extends").g(bound);
aoqi@0 108 }
aoqi@0 109 }

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