jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/bind/api/TypeReference.java@f50545b5e2f1

     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  */

    26 package com.sun.xml.internal.bind.api;

    28 import java.lang.annotation.Annotation;

    29 import java.lang.reflect.Type;

    30 import java.util.Arrays;

    31 import java.util.Collection;

    33 import javax.xml.namespace.QName;

    35 import com.sun.xml.internal.bind.v2.model.nav.Navigator;

    37 /**

    38  * A reference to a JAXB-bound type.

    39  *

    40  * <p>

    41  * <b>Subject to change without notice</b>.

    42  *

    43  * @since 2.0 EA1

    44  * @author Kohsuke Kawaguchi

    45  */

    46 public final class TypeReference {

    48     /**

    49      * The associated XML element name that the JAX-RPC uses with this type reference.

    50      *

    51      * Always non-null. Strings are interned.

    52      */

    53     public final QName tagName;

    55     /**

    56      * The Java type that's being referenced.

    57      *

    58      * Always non-null.

    59      */

    60     public final Type type;

    62     /**

    63      * The annotations associated with the reference of this type.

    64      *

    65      * Always non-null.

    66      */

    67     public final Annotation[] annotations;

    69     public TypeReference(QName tagName, Type type, Annotation... annotations) {

    70         if(tagName==null || type==null || annotations==null) {

    71             String nullArgs = "";

    73             if(tagName == null)     nullArgs = "tagName";

    74             if(type == null)        nullArgs += (nullArgs.length() > 0 ? ", type" : "type");

    75             if(annotations == null) nullArgs += (nullArgs.length() > 0 ? ", annotations" : "annotations");

    77             Messages.ARGUMENT_CANT_BE_NULL.format(nullArgs);

    79             throw new IllegalArgumentException(Messages.ARGUMENT_CANT_BE_NULL.format(nullArgs));

    80         }

    82         this.tagName = new QName(tagName.getNamespaceURI().intern(), tagName.getLocalPart().intern(), tagName.getPrefix());

    83         this.type = type;

    84         this.annotations = annotations;

    85     }

    87     /**

    88      * Finds the specified annotation from the array and returns it.

    89      * Null if not found.

    90      */

    91     public <A extends Annotation> A get( Class<A> annotationType ) {

    92         for (Annotation a : annotations) {

    93             if(a.annotationType()==annotationType)

    94                 return annotationType.cast(a);

    95         }

    96         return null;

    97     }

    99     /**

   100      * Creates a {@link TypeReference} for the item type,

   101      * if this {@link TypeReference} represents a collection type.

   102      * Otherwise returns an identical type.

   103      */

   104     public TypeReference toItemType() {

   105         // if we are to reinstitute this check, check JAXB annotations only

   106         // assert annotations.length==0;   // not designed to work with adapters.

   108         Type base = Navigator.REFLECTION.getBaseClass(type, Collection.class);

   109         if(base==null)

   110             return this;    // not a collection

   112         return new TypeReference(tagName,

   113             Navigator.REFLECTION.getTypeArgument(base,0));

   114     }

   116     @Override

   117     public boolean equals(Object o) {

   118         if (this == o) return true;

   119         if (o == null || getClass() != o.getClass()) return false;

   121         TypeReference that = (TypeReference) o;

   123         if (!Arrays.equals(annotations, that.annotations)) return false;

   124         if (!tagName.equals(that.tagName)) return false;

   125         if (!type.equals(that.type)) return false;

   127         return true;

   128     }

   130     @Override

   131     public int hashCode() {

   132         int result = tagName.hashCode();

   133         result = 31 * result + type.hashCode();

   134         result = 31 * result + Arrays.hashCode(annotations);

   135         return result;

   136     }

   137 }

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