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

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