1/* 2 * Copyright (c) 1997, 2014, 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 26package com.sun.xml.internal.ws.spi.db; 27 28import java.lang.annotation.Annotation; 29import java.lang.reflect.GenericArrayType; 30import java.lang.reflect.Type; 31import java.util.Collection; 32import java.util.HashMap; 33import java.util.Map; 34 35import javax.xml.namespace.QName; 36import javax.xml.bind.annotation.XmlElementWrapper; 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 */ 48public 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 TypeInfo wrapperType; 78 79 private Type genericType; 80 81 private boolean nillable = true; 82 83 public TypeInfo(QName tagName, Type type, Annotation... annotations) { 84 if(tagName==null || type==null || annotations==null) { 85 String nullArgs = ""; 86 87 if(tagName == null) nullArgs = "tagName"; 88 if(type == null) nullArgs += (nullArgs.length() > 0 ? ", type" : "type"); 89 if(annotations == null) nullArgs += (nullArgs.length() > 0 ? ", annotations" : "annotations"); 90 91// Messages.ARGUMENT_CANT_BE_NULL.format(nullArgs); 92 93 throw new IllegalArgumentException( "Argument(s) \"" + nullArgs + "\" can''t be null.)"); 94 } 95 96 this.tagName = new QName(tagName.getNamespaceURI().intern(), tagName.getLocalPart().intern(), tagName.getPrefix()); 97 this.type = type; 98 if (type instanceof Class && ((Class<?>)type).isPrimitive()) nillable = false; 99 this.annotations = annotations; 100 } 101 102 /** 103 * Finds the specified annotation from the array and returns it. 104 * Null if not found. 105 */ 106 public <A extends Annotation> A get( Class<A> annotationType ) { 107 for (Annotation a : annotations) { 108 if(a.annotationType()==annotationType) 109 return annotationType.cast(a); 110 } 111 return null; 112 } 113 114 /** 115 * Creates a {@link TypeInfo} for the item type, 116 * if this {@link TypeInfo} represents a collection type. 117 * Otherwise returns an identical type. 118 */ 119 public TypeInfo toItemType() { 120 // if we are to reinstitute this check, check JAXB annotations only 121 // assert annotations.length==0; // not designed to work with adapters. 122 Type t = (genericType != null)? genericType : type; 123 Type base = Utils.REFLECTION_NAVIGATOR.getBaseClass(t, Collection.class); 124 if(base==null) 125 return this; // not a collection 126 127 return new TypeInfo(tagName, Utils.REFLECTION_NAVIGATOR.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 if (type instanceof Class && ((Class)type).isArray() && !byte[].class.equals(type)) { 177 Type componentType = ((Class)type).getComponentType(); 178 Type genericComponentType = null; 179 if (genericType!= null && genericType instanceof GenericArrayType) { 180 GenericArrayType arrayType = (GenericArrayType) type; 181 genericComponentType = arrayType.getGenericComponentType(); 182 componentType = arrayType.getGenericComponentType(); 183 } 184 TypeInfo ti =new TypeInfo(tagName, componentType, annotations); 185 if (genericComponentType != null) ti.setGenericType(genericComponentType); 186 for(Annotation anno : annotations) if (anno instanceof XmlElementWrapper) ti.wrapperType = this; 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 = Utils.REFLECTION_NAVIGATOR.getBaseClass(t, Collection.class); 192 if ( base != null) { 193 return new TypeInfo(tagName, Utils.REFLECTION_NAVIGATOR.getTypeArgument(base,0), annotations); 194 } 195 return null; 196 } 197 198 public TypeInfo getWrapperType() { 199 return wrapperType; 200 } 201} 202