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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.unmarshaller; |
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27 |
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28 import java.util.Collection; |
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29 |
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30 import javax.xml.namespace.QName; |
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31 |
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32 import com.sun.xml.internal.bind.DatatypeConverterImpl; |
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33 import com.sun.xml.internal.bind.v2.WellKnownNamespace; |
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34 import com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl; |
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35 import com.sun.xml.internal.bind.v2.runtime.JaxBeanInfo; |
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36 import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor; |
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37 import com.sun.xml.internal.bind.v2.runtime.reflect.TransducedAccessor; |
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38 |
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39 import org.xml.sax.Attributes; |
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40 import org.xml.sax.SAXException; |
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41 |
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42 public final class LeafPropertyXsiLoader extends Loader { |
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43 |
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44 private final Loader defaultLoader; |
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45 private final TransducedAccessor xacc; |
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46 private final Accessor acc; |
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47 |
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48 public LeafPropertyXsiLoader(Loader defaultLoader, TransducedAccessor xacc, Accessor acc) { |
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49 this.defaultLoader = defaultLoader; |
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50 this.expectText = true; |
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51 this.xacc = xacc; |
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52 this.acc = acc; |
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53 } |
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54 |
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55 |
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56 @Override |
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57 public void startElement(UnmarshallingContext.State state, TagName ea) throws SAXException { |
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58 state.loader = selectLoader(state, ea); |
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59 |
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60 state.loader.startElement(state, ea); |
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61 } |
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62 |
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63 protected Loader selectLoader(UnmarshallingContext.State state, TagName ea) throws SAXException { |
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64 |
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65 UnmarshallingContext context = state.getContext(); |
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66 JaxBeanInfo beanInfo = null; |
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67 |
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68 // look for @xsi:type |
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69 Attributes atts = ea.atts; |
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70 int idx = atts.getIndex(WellKnownNamespace.XML_SCHEMA_INSTANCE, "type"); |
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71 |
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72 if (idx >= 0) { |
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73 String value = atts.getValue(idx); |
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74 |
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75 QName type = DatatypeConverterImpl._parseQName(value, context); |
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76 |
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77 if (type == null) |
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78 return defaultLoader; |
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79 |
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80 beanInfo = context.getJAXBContext().getGlobalType(type); |
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81 if (beanInfo == null) |
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82 return defaultLoader; |
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83 ClassBeanInfoImpl cbii; |
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84 try { |
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85 cbii = (ClassBeanInfoImpl) beanInfo; |
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86 } catch (ClassCastException cce) { |
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87 return defaultLoader; |
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88 } |
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89 |
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90 if (null == cbii.getTransducer()) { |
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91 return defaultLoader; |
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92 } |
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93 |
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94 return new LeafPropertyLoader( |
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95 new TransducedAccessor.CompositeTransducedAccessorImpl( |
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96 state.getContext().getJAXBContext(), |
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97 cbii.getTransducer(), |
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98 acc)); |
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99 } |
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100 |
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101 return defaultLoader; |
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102 } |
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103 |
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104 @Override |
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105 public Collection<QName> getExpectedChildElements() { |
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106 return defaultLoader.getExpectedChildElements(); |
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107 } |
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108 |
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109 @Override |
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110 public Collection<QName> getExpectedAttributes() { |
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111 return defaultLoader.getExpectedAttributes(); |
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112 } |
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113 } |