1 /*
2 * Copyright (c) 1997, 2013, 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.ws.spi.db;
27
28 import java.lang.annotation.Annotation;
29 import java.lang.reflect.GenericArrayType;
30 import java.lang.reflect.Type;
31 import java.util.Collection;
32 import java.util.HashMap;
33 import java.util.Map;
34
35 import javax.xml.namespace.QName;
36
37 import com.sun.xml.internal.bind.v2.model.nav.Navigator;
38
39 /**
40 * A reference to a JAXB-bound type.
41 *
42 * <p>
43 * <b>Subject to change without notice</b>.
44 *
45 * @since 2.0 EA1
46 * @author Kohsuke Kawaguchi
47 * @author shih-chang.chen@oracle.com
48 */
49 public final class TypeInfo {
50
51 /**
52 * The associated XML element name that the JAX-RPC uses with this type reference.
53 *
54 * Always non-null. Strings are interned.
55 */
56 public final QName tagName;
57
58 /**
59 * The Java type that's being referenced.
60 *
61 * Always non-null.
62 */
63 public Type type;
64
65 /**
66 * The annotations associated with the reference of this type.
67 *
68 * Always non-null.
69 */
70 public final Annotation[] annotations;
71
72 private Map<String, Object> properties = new HashMap<String, Object>();
73
74 private boolean isGlobalElement = true;
75
76 private TypeInfo parentCollectionType;
77
78 private Type genericType;
79
80 private boolean nillable = true;
81
82 public TypeInfo(QName tagName, Type type, Annotation... annotations) {
83 if(tagName==null || type==null || annotations==null) {
84 String nullArgs = "";
85
86 if(tagName == null) nullArgs = "tagName";
87 if(type == null) nullArgs += (nullArgs.length() > 0 ? ", type" : "type");
88 if(annotations == null) nullArgs += (nullArgs.length() > 0 ? ", annotations" : "annotations");
89
90 // Messages.ARGUMENT_CANT_BE_NULL.format(nullArgs);
91
92 throw new IllegalArgumentException( "Argument(s) \"" + nullArgs + "\" can''t be null.)");
93 }
94
95 this.tagName = new QName(tagName.getNamespaceURI().intern(), tagName.getLocalPart().intern(), tagName.getPrefix());
96 this.type = type;
97 if (type instanceof Class && ((Class<?>)type).isPrimitive()) nillable = false;
98 this.annotations = annotations;
99 }
100
101 /**
102 * Finds the specified annotation from the array and returns it.
103 * Null if not found.
104 */
105 public <A extends Annotation> A get( Class<A> annotationType ) {
106 for (Annotation a : annotations) {
107 if(a.annotationType()==annotationType)
108 return annotationType.cast(a);
109 }
110 return null;
111 }
112
113 /**
114 * Creates a {@link TypeInfo} for the item type,
115 * if this {@link TypeInfo} represents a collection type.
116 * Otherwise returns an identical type.
117 */
118 public TypeInfo toItemType() {
119 // if we are to reinstitute this check, check JAXB annotations only
120 // assert annotations.length==0; // not designed to work with adapters.
121 Type t = (genericType != null)? genericType : type;
122 Type base = Navigator.REFLECTION.getBaseClass(t, Collection.class);
123 if(base==null)
124 return this; // not a collection
125
126 return new TypeInfo(tagName,
127 Navigator.REFLECTION.getTypeArgument(base,0));
128 }
129
130 public Map<String, Object> properties() {
131 return properties;
132 }
133
134 public boolean isGlobalElement() {
135 return isGlobalElement;
136 }
137
138 public void setGlobalElement(boolean isGlobalElement) {
139 this.isGlobalElement = isGlobalElement;
140 }
141
142 public TypeInfo getParentCollectionType() {
143 return parentCollectionType;
144 }
145
146 public void setParentCollectionType(TypeInfo parentCollectionType) {
147 this.parentCollectionType = parentCollectionType;
148 }
149
150 public boolean isRepeatedElement() {
151 return (parentCollectionType != null);
152 }
153
154 public Type getGenericType() {
155 return genericType;
156 }
157
158 public void setGenericType(Type genericType) {
159 this.genericType = genericType;
160 }
161
162 public boolean isNillable() {
163 return nillable;
164 }
165
166 public void setNillable(boolean nillable) {
167 this.nillable = nillable;
168 }
169
170 public String toString() {
171 return new StringBuilder("TypeInfo: Type = ").append(type)
172 .append(", tag = ").append(tagName).toString();
173 }
174
175 public TypeInfo getItemType() {
176 // System.out.println("????? TypeInfo " + type);
177 if (type instanceof Class && ((Class)type).isArray() && !byte[].class.equals(type)) {
178 Type componentType = ((Class)type).getComponentType();
179 Type genericComponentType = null;
180 if (genericType!= null && genericType instanceof GenericArrayType) {
181 GenericArrayType arrayType = (GenericArrayType) type;
182 genericComponentType = arrayType.getGenericComponentType();
183 componentType = arrayType.getGenericComponentType();
184 }
185 TypeInfo ti =new TypeInfo(tagName, componentType, annotations);
186 if (genericComponentType != null) ti.setGenericType(genericComponentType);
187 return ti;
188 }
189 // if (type instanceof Class && java.util.Collection.class.isAssignableFrom((Class)type)) {
190 Type t = (genericType != null)? genericType : type;
191 Type base = Navigator.REFLECTION.getBaseClass(t, Collection.class);
192 if ( base != null) {
193 return new TypeInfo(tagName, Navigator.REFLECTION.getTypeArgument(base,0), annotations);
194 }
195 return null;
196 }
197 }