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* Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.sun.xml.internal.ws.spi.db;
import java.lang.annotation.Annotation;
import java.lang.reflect.GenericArrayType;
import java.lang.reflect.Type;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import javax.xml.namespace.QName;
import javax.xml.bind.annotation.XmlElementWrapper;
/**
* A reference to a JAXB-bound type.
*
* <p>
* <b>Subject to change without notice</b>.
*
* @since 2.0 EA1
* @author Kohsuke Kawaguchi
* @author shih-chang.chen@oracle.com
*/
public final class TypeInfo {
/**
* The associated XML element name that the JAX-RPC uses with this type reference.
*
* Always non-null. Strings are interned.
*/
public final QName tagName;
/**
* The Java type that's being referenced.
*
* Always non-null.
*/
public Type type;
/**
* The annotations associated with the reference of this type.
*
* Always non-null.
*/
public final Annotation[] annotations;
private Map<String, Object> properties = new HashMap<String, Object>();
private boolean isGlobalElement = true;
private TypeInfo parentCollectionType;
private TypeInfo wrapperType;
private Type genericType;
private boolean nillable = true;
public TypeInfo(QName tagName, Type type, Annotation... annotations) {
if(tagName==null || type==null || annotations==null) {
String nullArgs = "";
if(tagName == null) nullArgs = "tagName";
if(type == null) nullArgs += (nullArgs.length() > 0 ? ", type" : "type");
if(annotations == null) nullArgs += (nullArgs.length() > 0 ? ", annotations" : "annotations");
// Messages.ARGUMENT_CANT_BE_NULL.format(nullArgs);
throw new IllegalArgumentException( "Argument(s) \"" + nullArgs + "\" can''t be null.)");
}
this.tagName = new QName(tagName.getNamespaceURI().intern(), tagName.getLocalPart().intern(), tagName.getPrefix());
this.type = type;
if (type instanceof Class && ((Class<?>)type).isPrimitive()) nillable = false;
this.annotations = annotations;
}
/**
* Finds the specified annotation from the array and returns it.
* Null if not found.
*/
public <A extends Annotation> A get( Class<A> annotationType ) {
for (Annotation a : annotations) {
if(a.annotationType()==annotationType)
return annotationType.cast(a);
}
return null;
}
/**
* Creates a {@link TypeInfo} for the item type,
* if this {@link TypeInfo} represents a collection type.
* Otherwise returns an identical type.
*/
public TypeInfo toItemType() {
// if we are to reinstitute this check, check JAXB annotations only
// assert annotations.length==0; // not designed to work with adapters.
Type t = (genericType != null)? genericType : type;
Type base = Utils.REFLECTION_NAVIGATOR.getBaseClass(t, Collection.class);
if(base==null)
return this; // not a collection
return new TypeInfo(tagName, Utils.REFLECTION_NAVIGATOR.getTypeArgument(base,0));
}
public Map<String, Object> properties() {
return properties;
}
public boolean isGlobalElement() {
return isGlobalElement;
}
public void setGlobalElement(boolean isGlobalElement) {
this.isGlobalElement = isGlobalElement;
}
public TypeInfo getParentCollectionType() {
return parentCollectionType;
}
public void setParentCollectionType(TypeInfo parentCollectionType) {
this.parentCollectionType = parentCollectionType;
}
public boolean isRepeatedElement() {
return (parentCollectionType != null);
}
public Type getGenericType() {
return genericType;
}
public void setGenericType(Type genericType) {
this.genericType = genericType;
}
public boolean isNillable() {
return nillable;
}
public void setNillable(boolean nillable) {
this.nillable = nillable;
}
public String toString() {
return new StringBuilder("TypeInfo: Type = ").append(type)
.append(", tag = ").append(tagName).toString();
}
public TypeInfo getItemType() {
if (type instanceof Class && ((Class)type).isArray() && !byte[].class.equals(type)) {
Type componentType = ((Class)type).getComponentType();
Type genericComponentType = null;
if (genericType!= null && genericType instanceof GenericArrayType) {
GenericArrayType arrayType = (GenericArrayType) type;
genericComponentType = arrayType.getGenericComponentType();
componentType = arrayType.getGenericComponentType();
}
TypeInfo ti =new TypeInfo(tagName, componentType, annotations);
if (genericComponentType != null) ti.setGenericType(genericComponentType);
for(Annotation anno : annotations) if (anno instanceof XmlElementWrapper) ti.wrapperType = this;
return ti;
}
// if (type instanceof Class && java.util.Collection.class.isAssignableFrom((Class)type)) {
Type t = (genericType != null)? genericType : type;
Type base = Utils.REFLECTION_NAVIGATOR.getBaseClass(t, Collection.class);
if ( base != null) {
return new TypeInfo(tagName, Utils.REFLECTION_NAVIGATOR.getTypeArgument(base,0), annotations);
}
return null;
}
public TypeInfo getWrapperType() {
return wrapperType;
}
}