jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/bind/v2/model/impl/MapPropertyInfoImpl.java@e530533619ec

     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.v2.model.impl;

    28 import java.util.Arrays;

    29 import java.util.Collection;

    30 import java.util.Map;

    32 import javax.xml.bind.annotation.XmlElementWrapper;

    33 import javax.xml.namespace.QName;

    35 import com.sun.xml.internal.bind.v2.model.core.MapPropertyInfo;

    36 import com.sun.xml.internal.bind.v2.model.core.NonElement;

    37 import com.sun.xml.internal.bind.v2.model.core.PropertyKind;

    38 import com.sun.xml.internal.bind.v2.model.core.TypeInfo;

    40 /**

    41  * @author Kohsuke Kawaguchi

    42  */

    43 class MapPropertyInfoImpl<T,C,F,M> extends PropertyInfoImpl<T,C,F,M> implements MapPropertyInfo<T,C> {

    45     private final QName xmlName;

    46     private boolean nil;

    47     private final T keyType;

    48     private final T valueType;

    50     // laziy computed to handle cyclic references

    51     private NonElement<T,C> keyTypeInfo;

    52     private NonElement<T,C> valueTypeInfo;

    55     public MapPropertyInfoImpl(ClassInfoImpl<T,C,F,M> ci, PropertySeed<T,C,F,M> seed) {

    56         super(ci, seed);

    58         XmlElementWrapper xe = seed.readAnnotation(XmlElementWrapper.class);

    59         xmlName = calcXmlName(xe);

    60         nil = xe!=null && xe.nillable();

    62         T raw = getRawType();

    63         T bt = nav().getBaseClass(raw, nav().asDecl(Map.class) );

    64         assert bt!=null;    // Map property is only for Maps

    66         if(nav().isParameterizedType(bt)) {

    67             keyType = nav().getTypeArgument(bt,0);

    68             valueType = nav().getTypeArgument(bt,1);

    69         } else {

    70             keyType = valueType = nav().ref(Object.class);

    71         }

    72     }

    74     public Collection<? extends TypeInfo<T,C>> ref() {

    75         return Arrays.asList(getKeyType(),getValueType());

    76     }

    78     public final PropertyKind kind() {

    79         return PropertyKind.MAP;

    80     }

    82     public QName getXmlName() {

    83         return xmlName;

    84     }

    86     public boolean isCollectionNillable() {

    87         return nil;

    88     }

    90     public NonElement<T,C> getKeyType() {

    91         if(keyTypeInfo==null)

    92             keyTypeInfo = getTarget(keyType);

    93         return keyTypeInfo;

    94     }

    96     public NonElement<T,C> getValueType() {

    97         if(valueTypeInfo==null)

    98             valueTypeInfo = getTarget(valueType);

    99         return valueTypeInfo;

   100     }

   102     public NonElement<T,C> getTarget(T type) {

   103         assert parent.builder!=null : "this method must be called during the build stage";

   104         return parent.builder.getTypeInfo(type,this);

   105     }

   106 }

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