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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.io.IOException; |
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29 import java.lang.reflect.Field; |
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30 import java.lang.reflect.Method; |
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31 import java.lang.reflect.Type; |
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32 import java.util.EnumMap; |
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33 import java.util.HashMap; |
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34 import java.util.Map; |
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35 |
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36 import javax.xml.namespace.QName; |
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37 import javax.xml.stream.XMLStreamException; |
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38 |
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39 import com.sun.xml.internal.bind.api.AccessorException; |
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40 import com.sun.xml.internal.bind.v2.model.annotation.FieldLocatable; |
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41 import com.sun.xml.internal.bind.v2.model.annotation.Locatable; |
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42 import com.sun.xml.internal.bind.v2.model.runtime.RuntimeEnumLeafInfo; |
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43 import com.sun.xml.internal.bind.v2.model.runtime.RuntimeNonElement; |
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44 import com.sun.xml.internal.bind.v2.runtime.IllegalAnnotationException; |
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45 import com.sun.xml.internal.bind.v2.runtime.Name; |
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46 import com.sun.xml.internal.bind.v2.runtime.Transducer; |
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47 import com.sun.xml.internal.bind.v2.runtime.XMLSerializer; |
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48 |
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49 import org.xml.sax.SAXException; |
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50 |
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51 /** |
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52 * @author Kohsuke Kawaguchi |
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53 */ |
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54 final class RuntimeEnumLeafInfoImpl<T extends Enum<T>,B> extends EnumLeafInfoImpl<Type,Class,Field,Method> |
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55 implements RuntimeEnumLeafInfo, Transducer<T> { |
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56 |
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57 public Transducer<T> getTransducer() { |
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58 return this; |
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59 } |
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60 |
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61 /** |
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62 * {@link Transducer} that knows how to convert a lexical value |
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63 * into the Java value that we can handle. |
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64 */ |
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65 private final Transducer<B> baseXducer; |
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66 |
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67 private final Map<B,T> parseMap = new HashMap<B,T>(); |
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68 private final Map<T,B> printMap; |
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69 |
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70 RuntimeEnumLeafInfoImpl(RuntimeModelBuilder builder, Locatable upstream, Class<T> enumType) { |
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71 super(builder,upstream,enumType,enumType); |
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72 this.printMap = new EnumMap<T,B>(enumType); |
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73 |
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74 baseXducer = ((RuntimeNonElement)baseType).getTransducer(); |
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75 } |
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76 |
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77 @Override |
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78 public RuntimeEnumConstantImpl createEnumConstant(String name, String literal, Field constant, EnumConstantImpl<Type,Class,Field,Method> last) { |
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79 T t; |
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80 try { |
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81 try { |
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82 constant.setAccessible(true); |
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83 } catch (SecurityException e) { |
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84 // in case the constant is already accessible, swallow this error. |
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85 // if the constant is indeed not accessible, we will get IllegalAccessException |
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86 // in the following line, and that is not too late. |
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87 } |
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88 t = (T)constant.get(null); |
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89 } catch (IllegalAccessException e) { |
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90 // impossible, because this is an enum constant |
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91 throw new IllegalAccessError(e.getMessage()); |
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92 } |
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93 |
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94 B b = null; |
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95 try { |
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96 b = baseXducer.parse(literal); |
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97 } catch (Exception e) { |
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98 builder.reportError(new IllegalAnnotationException( |
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99 Messages.INVALID_XML_ENUM_VALUE.format(literal,baseType.getType().toString()), e, |
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100 new FieldLocatable<Field>(this,constant,nav()) )); |
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101 } |
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102 |
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103 parseMap.put(b,t); |
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104 printMap.put(t,b); |
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105 |
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106 return new RuntimeEnumConstantImpl(this, name, literal, last); |
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107 } |
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108 |
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109 public QName[] getTypeNames() { |
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110 return new QName[]{getTypeName()}; |
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111 } |
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112 |
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113 public boolean isDefault() { |
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114 return false; |
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115 } |
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116 |
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117 @Override |
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118 public Class getClazz() { |
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119 return clazz; |
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120 } |
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121 |
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122 public boolean useNamespace() { |
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123 return baseXducer.useNamespace(); |
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124 } |
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125 |
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126 public void declareNamespace(T t, XMLSerializer w) throws AccessorException { |
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127 baseXducer.declareNamespace(printMap.get(t),w); |
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128 } |
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129 |
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130 public CharSequence print(T t) throws AccessorException { |
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131 return baseXducer.print(printMap.get(t)); |
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132 } |
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133 |
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134 public T parse(CharSequence lexical) throws AccessorException, SAXException { |
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135 // TODO: error handling |
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136 |
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137 B b = baseXducer.parse(lexical); |
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138 |
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139 if (tokenStringType) { |
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140 b = (B) ((String)b).trim(); |
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141 } |
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142 |
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143 return parseMap.get(b); |
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144 } |
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145 |
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146 public void writeText(XMLSerializer w, T t, String fieldName) throws IOException, SAXException, XMLStreamException, AccessorException { |
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147 baseXducer.writeText(w,printMap.get(t),fieldName); |
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148 } |
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149 |
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150 public void writeLeafElement(XMLSerializer w, Name tagName, T o, String fieldName) throws IOException, SAXException, XMLStreamException, AccessorException { |
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151 baseXducer.writeLeafElement(w,tagName,printMap.get(o),fieldName); |
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152 } |
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153 |
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154 public QName getTypeName(T instance) { |
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155 return null; |
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156 } |
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157 } |