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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.runtime.property; |
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27 |
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28 import java.io.IOException; |
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29 import java.lang.reflect.InvocationTargetException; |
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30 |
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31 import javax.xml.bind.JAXBElement; |
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32 import javax.xml.bind.JAXBException; |
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33 import javax.xml.bind.annotation.DomHandler; |
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34 import javax.xml.stream.XMLStreamException; |
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35 |
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36 import com.sun.xml.internal.bind.api.AccessorException; |
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37 import com.sun.xml.internal.bind.v2.ClassFactory; |
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38 import com.sun.xml.internal.bind.v2.model.core.PropertyKind; |
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39 import com.sun.xml.internal.bind.v2.model.core.WildcardMode; |
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40 import com.sun.xml.internal.bind.v2.model.runtime.RuntimeElement; |
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41 import com.sun.xml.internal.bind.v2.model.runtime.RuntimeReferencePropertyInfo; |
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42 import com.sun.xml.internal.bind.v2.runtime.ElementBeanInfoImpl; |
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43 import com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl; |
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44 import com.sun.xml.internal.bind.v2.runtime.JaxBeanInfo; |
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45 import com.sun.xml.internal.bind.v2.runtime.XMLSerializer; |
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46 import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor; |
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47 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.ChildLoader; |
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48 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.WildcardLoader; |
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49 import com.sun.xml.internal.bind.v2.util.QNameMap; |
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50 |
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51 import org.xml.sax.SAXException; |
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52 |
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53 /** |
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54 * @author Kohsuke Kawaguchi |
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55 */ |
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56 final class SingleReferenceNodeProperty<BeanT,ValueT> extends PropertyImpl<BeanT> { |
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57 |
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58 private final Accessor<BeanT,ValueT> acc; |
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59 |
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60 private final QNameMap<JaxBeanInfo> expectedElements = new QNameMap<JaxBeanInfo>(); |
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61 |
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62 private final DomHandler domHandler; |
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63 private final WildcardMode wcMode; |
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64 |
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65 public SingleReferenceNodeProperty(JAXBContextImpl context, RuntimeReferencePropertyInfo prop) { |
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66 super(context,prop); |
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67 acc = prop.getAccessor().optimize(context); |
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68 |
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69 for (RuntimeElement e : prop.getElements()) { |
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70 expectedElements.put( e.getElementName(), context.getOrCreate(e) ); |
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71 } |
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72 |
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73 if(prop.getWildcard()!=null) { |
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74 domHandler = (DomHandler) ClassFactory.create(prop.getDOMHandler()); |
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75 wcMode = prop.getWildcard(); |
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76 } else { |
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77 domHandler = null; |
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78 wcMode = null; |
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79 } |
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80 } |
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81 |
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82 public void reset(BeanT bean) throws AccessorException { |
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83 acc.set(bean,null); |
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84 } |
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85 |
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86 public String getIdValue(BeanT beanT) { |
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87 return null; |
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88 } |
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89 |
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90 public void serializeBody(BeanT o, XMLSerializer w, Object outerPeer) throws SAXException, AccessorException, IOException, XMLStreamException { |
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91 ValueT v = acc.get(o); |
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92 if(v!=null) { |
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93 try { |
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94 JaxBeanInfo bi = w.grammar.getBeanInfo(v,true); |
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95 if(bi.jaxbType==Object.class && domHandler!=null) |
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96 // even if 'v' is a DOM node, it always derive from Object, |
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97 // so the getBeanInfo returns BeanInfo for Object |
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98 w.writeDom(v,domHandler,o,fieldName); |
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99 else |
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100 bi.serializeRoot(v,w); |
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101 } catch (JAXBException e) { |
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102 w.reportError(fieldName,e); |
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103 // recover by ignoring this property |
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104 } |
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105 } |
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106 } |
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107 |
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108 public void buildChildElementUnmarshallers(UnmarshallerChain chain, QNameMap<ChildLoader> handlers) { |
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109 for (QNameMap.Entry<JaxBeanInfo> n : expectedElements.entrySet()) |
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110 handlers.put(n.nsUri,n.localName, new ChildLoader(n.getValue().getLoader(chain.context,true),acc)); |
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111 |
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112 if(domHandler!=null) |
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113 handlers.put(CATCH_ALL,new ChildLoader(new WildcardLoader(domHandler,wcMode),acc)); |
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114 |
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115 } |
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116 |
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117 public PropertyKind getKind() { |
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118 return PropertyKind.REFERENCE; |
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119 } |
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120 |
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121 @Override |
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122 public Accessor getElementPropertyAccessor(String nsUri, String localName) { |
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123 JaxBeanInfo bi = expectedElements.get(nsUri, localName); |
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124 if(bi!=null) { |
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125 if(bi instanceof ElementBeanInfoImpl) { |
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126 final ElementBeanInfoImpl ebi = (ElementBeanInfoImpl) bi; |
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127 // a JAXBElement. We need to handle JAXBElement for JAX-WS |
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128 return new Accessor<BeanT,Object>(ebi.expectedType) { |
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129 public Object get(BeanT bean) throws AccessorException { |
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130 ValueT r = acc.get(bean); |
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131 if(r instanceof JAXBElement) { |
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132 return ((JAXBElement)r).getValue(); |
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133 } else |
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134 // this is sloppy programming, but hey... |
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135 return r; |
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136 } |
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137 |
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138 public void set(BeanT bean, Object value) throws AccessorException { |
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139 if(value!=null) { |
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140 try { |
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141 value = ebi.createInstanceFromValue(value); |
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142 } catch (IllegalAccessException e) { |
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143 throw new AccessorException(e); |
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144 } catch (InvocationTargetException e) { |
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145 throw new AccessorException(e); |
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146 } catch (InstantiationException e) { |
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147 throw new AccessorException(e); |
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148 } |
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149 } |
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150 acc.set(bean,(ValueT)value); |
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151 } |
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152 }; |
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153 } else { |
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154 // a custom element type, like @XmlRootElement class Foo { ... } |
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155 return acc; |
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156 } |
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157 } else |
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158 return null; |
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159 } |
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160 } |