| /* |
| * Copyright (c) 1997, 2011, 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 |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.xml.internal.bind.api; |
| |
| import java.lang.annotation.Annotation; |
| import java.lang.reflect.Type; |
| import java.util.Arrays; |
| import java.util.Collection; |
| |
| import javax.xml.namespace.QName; |
| |
| /** |
| * A reference to a JAXB-bound type. |
| * |
| * <p> |
| * <b>Subject to change without notice</b>. |
| * |
| * @since 2.0 EA1 |
| * @author Kohsuke Kawaguchi |
| */ |
| public final class TypeReference { |
| |
| /** |
| * 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 final Type type; |
| |
| /** |
| * The annotations associated with the reference of this type. |
| * |
| * Always non-null. |
| */ |
| public final Annotation[] annotations; |
| |
| public TypeReference(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(Messages.ARGUMENT_CANT_BE_NULL.format(nullArgs)); |
| } |
| |
| this.tagName = new QName(tagName.getNamespaceURI().intern(), tagName.getLocalPart().intern(), tagName.getPrefix()); |
| this.type = type; |
| 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 TypeReference} for the item type, |
| * if this {@link TypeReference} represents a collection type. |
| * Otherwise returns an identical type. |
| */ |
| public TypeReference toItemType() { |
| // if we are to reinstitute this check, check JAXB annotations only |
| // assert annotations.length==0; // not designed to work with adapters. |
| |
| Type base = Utils.REFLECTION_NAVIGATOR.getBaseClass(type, Collection.class); |
| if(base==null) |
| return this; // not a collection |
| |
| return new TypeReference(tagName, Utils.REFLECTION_NAVIGATOR.getTypeArgument(base,0)); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| |
| TypeReference that = (TypeReference) o; |
| |
| if (!Arrays.equals(annotations, that.annotations)) return false; |
| if (!tagName.equals(that.tagName)) return false; |
| if (!type.equals(that.type)) return false; |
| |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = tagName.hashCode(); |
| result = 31 * result + type.hashCode(); |
| result = 31 * result + Arrays.hashCode(annotations); |
| return result; |
| } |
| } |