Mercurial > jdk8-mips64-public > jaxws / file comparison

comparison: src/share/jaxws_classes/com/sun/xml/internal/bind/v2/model/nav/ParameterizedTypeImpl.java

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/model/nav/ParameterizedTypeImpl.java

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1 /*
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.xml.internal.bind.v2.model.nav;
27
28 import java.lang.reflect.MalformedParameterizedTypeException;
29 import java.lang.reflect.ParameterizedType;
30 import java.lang.reflect.Type;
31 import java.lang.reflect.TypeVariable;
32 import java.util.Arrays;
33
34
35 /**
36 * {@link ParameterizedType} implementation.
37 */
38 class ParameterizedTypeImpl implements ParameterizedType {
39 private Type[] actualTypeArguments;
40 private Class<?> rawType;
41 private Type ownerType;
42
43 ParameterizedTypeImpl(Class<?> rawType,
44 Type[] actualTypeArguments,
45 Type ownerType) {
46 this.actualTypeArguments = actualTypeArguments;
47 this.rawType = rawType;
48 if (ownerType != null) {
49 this.ownerType = ownerType;
50 } else {
51 this.ownerType = rawType.getDeclaringClass();
52 }
53 validateConstructorArguments();
54 }
55
56 private void validateConstructorArguments() {
57 TypeVariable/*<?>*/[] formals = rawType.getTypeParameters();
58 // check correct arity of actual type args
59 if (formals.length != actualTypeArguments.length) {
60 throw new MalformedParameterizedTypeException();
61 }
62 /*
63 for (int i = 0; i < actualTypeArguments.length; i++) {
64 // check actuals against formals' bounds
65 }
66 */
67 }
68
69 public Type[] getActualTypeArguments() {
70 return actualTypeArguments.clone();
71 }
72
73 public Class<?> getRawType() {
74 return rawType;
75 }
76
77 public Type getOwnerType() {
78 return ownerType;
79 }
80
81 /*
82 * From the JavaDoc for java.lang.reflect.ParameterizedType
83 * "Instances of classes that implement this interface must
84 * implement an equals() method that equates any two instances
85 * that share the same generic type declaration and have equal
86 * type parameters."
87 */
88 @Override
89 public boolean equals(Object o) {
90 if (o instanceof ParameterizedType) {
91 // Check that information is equivalent
92 ParameterizedType that = (ParameterizedType) o;
93
94 if (this == that)
95 return true;
96
97 Type thatOwner = that.getOwnerType();
98 Type thatRawType = that.getRawType();
99
100 /*
101 if (false) { // Debugging
102 boolean ownerEquality = (ownerType == null ?
103 thatOwner == null :
104 ownerType.equals(thatOwner));
105 boolean rawEquality = (rawType == null ?
106 thatRawType == null :
107 rawType.equals(thatRawType));
108
109 boolean typeArgEquality = Arrays.equals(actualTypeArguments, // avoid clone
110 that.getActualTypeArguments());
111 for (Type t : actualTypeArguments) {
112 System.out.printf("\t\t%s%s%n", t, t.getClass());
113 }
114
115 System.out.printf("\towner %s\traw %s\ttypeArg %s%n",
116 ownerEquality, rawEquality, typeArgEquality);
117 return ownerEquality && rawEquality && typeArgEquality;
118 }
119 */
120
121
122 return
123 (ownerType == null ?
124 thatOwner == null :
125 ownerType.equals(thatOwner)) &&
126 (rawType == null ?
127 thatRawType == null :
128 rawType.equals(thatRawType)) &&
129 Arrays.equals(actualTypeArguments, // avoid clone
130 that.getActualTypeArguments());
131 } else
132 return false;
133 }
134
135 @Override
136 public int hashCode() {
137 return Arrays.hashCode(actualTypeArguments) ^
138 (ownerType == null ? 0 : ownerType.hashCode()) ^
139 (rawType == null ? 0 : rawType.hashCode());
140 }
141
142 public String toString() {
143 StringBuilder sb = new StringBuilder();
144
145 if (ownerType != null) {
146 if (ownerType instanceof Class)
147 sb.append(((Class) ownerType).getName());
148 else
149 sb.append(ownerType.toString());
150
151 sb.append(".");
152
153 if (ownerType instanceof ParameterizedTypeImpl) {
154 // Find simple name of nested type by removing the
155 // shared prefix with owner.
156 sb.append(rawType.getName().replace(((ParameterizedTypeImpl) ownerType).rawType.getName() + "$",
157 ""));
158 } else
159 sb.append(rawType.getName());
160 } else
161 sb.append(rawType.getName());
162
163 if (actualTypeArguments != null &&
164 actualTypeArguments.length > 0) {
165 sb.append("<");
166 boolean first = true;
167 for (Type t : actualTypeArguments) {
168 if (!first)
169 sb.append(", ");
170 if (t instanceof Class)
171 sb.append(((Class) t).getName());
172 else
173 sb.append(t.toString());
174 first = false;
175 }
176 sb.append(">");
177 }
178
179 return sb.toString();
180 }
181 }

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