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1 /* |
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2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package com.sun.xml.internal.bind.v2.model.impl; |
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27 |
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28 import java.util.Arrays; |
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29 import java.util.Collection; |
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30 import java.util.Map; |
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31 |
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32 import javax.xml.bind.annotation.XmlElementWrapper; |
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33 import javax.xml.namespace.QName; |
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34 |
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35 import com.sun.xml.internal.bind.v2.model.core.MapPropertyInfo; |
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36 import com.sun.xml.internal.bind.v2.model.core.NonElement; |
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37 import com.sun.xml.internal.bind.v2.model.core.PropertyKind; |
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38 import com.sun.xml.internal.bind.v2.model.core.TypeInfo; |
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39 |
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40 /** |
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41 * @author Kohsuke Kawaguchi |
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42 */ |
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43 class MapPropertyInfoImpl<T,C,F,M> extends PropertyInfoImpl<T,C,F,M> implements MapPropertyInfo<T,C> { |
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44 |
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45 private final QName xmlName; |
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46 private boolean nil; |
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47 private final T keyType; |
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48 private final T valueType; |
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49 |
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50 // laziy computed to handle cyclic references |
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51 private NonElement<T,C> keyTypeInfo; |
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52 private NonElement<T,C> valueTypeInfo; |
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53 |
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54 |
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55 public MapPropertyInfoImpl(ClassInfoImpl<T,C,F,M> ci, PropertySeed<T,C,F,M> seed) { |
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56 super(ci, seed); |
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57 |
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58 XmlElementWrapper xe = seed.readAnnotation(XmlElementWrapper.class); |
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59 xmlName = calcXmlName(xe); |
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60 nil = xe!=null && xe.nillable(); |
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61 |
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62 T raw = getRawType(); |
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63 T bt = nav().getBaseClass(raw, nav().asDecl(Map.class) ); |
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64 assert bt!=null; // Map property is only for Maps |
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65 |
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66 if(nav().isParameterizedType(bt)) { |
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67 keyType = nav().getTypeArgument(bt,0); |
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68 valueType = nav().getTypeArgument(bt,1); |
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69 } else { |
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70 keyType = valueType = nav().ref(Object.class); |
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71 } |
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72 } |
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73 |
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74 public Collection<? extends TypeInfo<T,C>> ref() { |
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75 return Arrays.asList(getKeyType(),getValueType()); |
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76 } |
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77 |
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78 public final PropertyKind kind() { |
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79 return PropertyKind.MAP; |
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80 } |
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81 |
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82 public QName getXmlName() { |
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83 return xmlName; |
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84 } |
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85 |
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86 public boolean isCollectionNillable() { |
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87 return nil; |
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88 } |
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89 |
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90 public NonElement<T,C> getKeyType() { |
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91 if(keyTypeInfo==null) |
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92 keyTypeInfo = getTarget(keyType); |
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93 return keyTypeInfo; |
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94 } |
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95 |
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96 public NonElement<T,C> getValueType() { |
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97 if(valueTypeInfo==null) |
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98 valueTypeInfo = getTarget(valueType); |
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99 return valueTypeInfo; |
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100 } |
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101 |
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102 public NonElement<T,C> getTarget(T type) { |
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103 assert parent.builder!=null : "this method must be called during the build stage"; |
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104 return parent.builder.getTypeInfo(type,this); |
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105 } |
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106 } |