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1 /*******************************************************************************
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2 * Copyright (c) 2007, 2008 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Matt Carter - Bug 180392
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11 * - Character support completed (bug 197679)
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12 *******************************************************************************/
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13
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14 module org.eclipse.core.databinding.UpdateStrategy;
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15
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16 import java.lang.all;
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17
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18 import java.math.BigDecimal;
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19 import java.math.BigInteger;
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20 import java.util.HashMap;
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21 import java.util.Map;
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22
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23 import org.eclipse.core.databinding.conversion.IConverter;
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24 import org.eclipse.core.databinding.conversion.NumberToStringConverter;
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25 import org.eclipse.core.databinding.conversion.StringToNumberConverter;
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26 import org.eclipse.core.databinding.util.Policy;
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27 import org.eclipse.core.internal.databinding.ClassLookupSupport;
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28 import org.eclipse.core.internal.databinding.Pair;
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29 import org.eclipse.core.internal.databinding.conversion.CharacterToStringConverter;
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30 import org.eclipse.core.internal.databinding.conversion.IdentityConverter;
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31 import org.eclipse.core.internal.databinding.conversion.IntegerToStringConverter;
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32 import org.eclipse.core.internal.databinding.conversion.NumberToBigDecimalConverter;
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33 import org.eclipse.core.internal.databinding.conversion.NumberToBigIntegerConverter;
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34 import org.eclipse.core.internal.databinding.conversion.NumberToByteConverter;
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35 import org.eclipse.core.internal.databinding.conversion.NumberToDoubleConverter;
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36 import org.eclipse.core.internal.databinding.conversion.NumberToFloatConverter;
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37 import org.eclipse.core.internal.databinding.conversion.NumberToIntegerConverter;
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38 import org.eclipse.core.internal.databinding.conversion.NumberToLongConverter;
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39 import org.eclipse.core.internal.databinding.conversion.NumberToShortConverter;
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40 import org.eclipse.core.internal.databinding.conversion.ObjectToStringConverter;
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41 import org.eclipse.core.internal.databinding.conversion.StringToByteConverter;
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42 import org.eclipse.core.internal.databinding.conversion.StringToCharacterConverter;
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43 import org.eclipse.core.internal.databinding.conversion.StringToShortConverter;
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44 import org.eclipse.core.runtime.IStatus;
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45 import org.eclipse.core.runtime.Status;
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46
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47 import com.ibm.icu.text.NumberFormat;
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48
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49 /**
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50 * @since 1.0
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51 *
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52 */
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53 /* package */class UpdateStrategy {
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54
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55 private static final String BOOLEAN_TYPE = "java.lang.Boolean.TYPE"; //$NON-NLS-1$
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56
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57 private static final String SHORT_TYPE = "java.lang.Short.TYPE"; //$NON-NLS-1$
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58
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59 private static final String BYTE_TYPE = "java.lang.Byte.TYPE"; //$NON-NLS-1$
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60
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61 private static final String DOUBLE_TYPE = "java.lang.Double.TYPE"; //$NON-NLS-1$
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62
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63 private static final String FLOAT_TYPE = "java.lang.Float.TYPE"; //$NON-NLS-1$
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64
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65 private static final String INTEGER_TYPE = "java.lang.Integer.TYPE"; //$NON-NLS-1$
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66
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67 private static final String LONG_TYPE = "java.lang.Long.TYPE"; //$NON-NLS-1$
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68
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69 private static final String CHARACTER_TYPE = "java.lang.Character.TYPE"; //$NON-NLS-1$
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70
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71 private static Map converterMap;
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72
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73 private static ClassInfo autoboxed(ClassInfo clazz) {
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74 if (clazz is Float.TYPE)
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75 return Float.classinfo;
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76 else if (clazz is Double.TYPE)
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77 return Double.classinfo;
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78 else if (clazz is Short.TYPE)
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79 return Short.classinfo;
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80 else if (clazz is Integer.TYPE)
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81 return Integer.classinfo;
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82 else if (clazz is Long.TYPE)
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83 return Long.classinfo;
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84 else if (clazz is Byte.TYPE)
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85 return Byte.classinfo;
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86 else if (clazz is Boolean.TYPE)
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87 return Boolean.classinfo;
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88 else if (clazz is Character.TYPE)
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89 return Character.classinfo;
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90 return clazz;
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91 }
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92
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93 final protected void checkAssignable(Object toType, Object fromType,
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94 String errorString) {
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95 Boolean assignableFromModelToModelConverter = isAssignableFromTo(
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96 fromType, toType);
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97 if (assignableFromModelToModelConverter !is null
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98 && !assignableFromModelToModelConverter.booleanValue()) {
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99 throw new BindingException(errorString
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100 + " Expected: " + fromType + ", actual: " + toType); //$NON-NLS-1$//$NON-NLS-2$
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101 }
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102 }
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103
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104 /**
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105 * Tries to create a converter that can convert from values of type
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106 * fromType. Returns <code>null</code> if no converter could be created.
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107 * Either toType or modelDescription can be <code>null</code>, but not
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108 * both.
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109 *
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110 * @param fromType
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111 * @param toType
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112 * @return an IConverter, or <code>null</code> if unsuccessful
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113 */
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114 protected IConverter createConverter(Object fromType, Object toType) {
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115 if (!( null !is cast(ClassInfo)fromType ) || !( null !is cast(ClassInfo)toType )) {
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116 return new DefaultConverter(fromType, toType);
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117 }
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118 ClassInfo toClass = cast(ClassInfo) toType;
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119 ClassInfo originalToClass = toClass;
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120 if (toClass.isPrimitive()) {
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121 toClass = autoboxed(toClass);
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122 }
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123 ClassInfo fromClass = cast(ClassInfo) fromType;
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124 ClassInfo originalFromClass = fromClass;
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125 if (fromClass.isPrimitive()) {
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126 fromClass = autoboxed(fromClass);
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127 }
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128 if (!(cast(ClassInfo) toType).isPrimitive()
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129 && toClass.isAssignableFrom(fromClass)) {
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130 return new IdentityConverter(originalFromClass, originalToClass);
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131 }
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132 if ((cast(ClassInfo) fromType).isPrimitive() && (cast(ClassInfo) toType).isPrimitive()
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133 && fromType.equals(toType)) {
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134 return new IdentityConverter(originalFromClass, originalToClass);
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135 }
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136 Map converterMap = getConverterMap();
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137 ClassInfo[] supertypeHierarchyFlattened = ClassLookupSupport
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138 .getTypeHierarchyFlattened(fromClass);
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139 for (int i = 0; i < supertypeHierarchyFlattened.length; i++) {
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140 ClassInfo currentFromClass = supertypeHierarchyFlattened[i];
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141 if (currentFromClass is toType) {
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142 // converting to toType is just a widening
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143 return new IdentityConverter(fromClass, toClass);
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144 }
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145 Pair key = new Pair(getKeyForClass(fromType, currentFromClass),
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146 getKeyForClass(toType, toClass));
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147 Object converterOrClassname = converterMap.get(key);
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148 if ( null !is cast(IConverter)converterOrClassname ) {
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149 return cast(IConverter) converterOrClassname;
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150 } else if ( null !is cast(String)converterOrClassname ) {
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151 String classname = cast(String) converterOrClassname;
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152 ClassInfo converterClass;
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153 try {
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154 converterClass = ClassInfo.forName(classname);
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155 IConverter result = cast(IConverter) converterClass
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156 .newInstance();
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157 converterMap.put(key, result);
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158 return result;
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159 } catch (Exception e) {
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160 Policy
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161 .getLog()
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162 .log(
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163 new Status(
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164 IStatus.ERROR,
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165 Policy.JFACE_DATABINDING,
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166 0,
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167 "Error while instantiating default converter", e)); //$NON-NLS-1$
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168 }
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169 }
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170 }
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171 // Since we found no converter yet, try a "downcast" converter;
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172 // the IdentityConverter will automatically check the actual types at
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173 // runtime.
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174 if (fromClass.isAssignableFrom(toClass)) {
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175 return new IdentityConverter(originalFromClass, originalToClass);
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176 }
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177 return new DefaultConverter(fromType, toType);
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178 }
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179
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180 private synchronized static Map getConverterMap() {
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181 // using string-based lookup avoids loading of too many classes
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182 if (converterMap is null) {
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183 // NumberFormat to be shared across converters for the formatting of
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184 // integer values
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185 NumberFormat integerFormat = NumberFormat.getIntegerInstance();
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186 // NumberFormat to be shared across converters for formatting non
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187 // integer values
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188 NumberFormat numberFormat = NumberFormat.getNumberInstance();
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189
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190 converterMap = new HashMap();
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191 // Standard and Boxed Types
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192 converterMap
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193 .put(
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194 new Pair("java.util.Date", "java.lang.String"), "org.eclipse.core.internal.databinding.conversion.DateToStringConverter"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
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195 converterMap
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196 .put(
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197 new Pair("java.lang.String", "java.lang.Boolean"), "org.eclipse.core.internal.databinding.conversion.StringToBooleanConverter"); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
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198 converterMap
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199 .put(
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200 new Pair("java.lang.String", "java.lang.Byte"), StringToByteConverter.toByte(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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201 converterMap
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202 .put(
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203 new Pair("java.lang.String", "java.util.Date"), "org.eclipse.core.internal.databinding.conversion.StringToDateConverter"); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
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204 converterMap
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205 .put(
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206 new Pair("java.lang.String", "java.lang.Short"), StringToShortConverter.toShort(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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207 converterMap
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208 .put(
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209 new Pair("java.lang.String", "java.lang.Character"), StringToCharacterConverter.toCharacter(false)); //$NON-NLS-1$//$NON-NLS-2$
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210 converterMap
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211 .put(
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212 new Pair("java.lang.String", "java.lang.Integer"), StringToNumberConverter.toInteger(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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213 converterMap
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214 .put(
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215 new Pair("java.lang.String", "java.lang.Double"), StringToNumberConverter.toDouble(numberFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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216 converterMap
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217 .put(
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218 new Pair("java.lang.String", "java.lang.Long"), StringToNumberConverter.toLong(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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219 converterMap
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220 .put(
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221 new Pair("java.lang.String", "java.lang.Float"), StringToNumberConverter.toFloat(numberFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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222 converterMap
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223 .put(
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224 new Pair("java.lang.String", "java.math.BigInteger"), StringToNumberConverter.toBigInteger(integerFormat)); //$NON-NLS-1$//$NON-NLS-2$
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225 converterMap
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226 .put(
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227 new Pair("java.lang.Integer", "java.lang.String"), NumberToStringConverter.fromInteger(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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228 converterMap
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229 .put(
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230 new Pair("java.lang.Long", "java.lang.String"), NumberToStringConverter.fromLong(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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231 converterMap
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232 .put(
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233 new Pair("java.lang.Double", "java.lang.String"), NumberToStringConverter.fromDouble(numberFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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234 converterMap
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235 .put(
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236 new Pair("java.lang.Float", "java.lang.String"), NumberToStringConverter.fromFloat(numberFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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237 converterMap
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238 .put(
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239 new Pair("java.math.BigInteger", "java.lang.String"), NumberToStringConverter.fromBigInteger(integerFormat)); //$NON-NLS-1$//$NON-NLS-2$
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240 converterMap
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241 .put(
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242 new Pair("java.lang.Byte", "java.lang.String"), IntegerToStringConverter.fromByte(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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243 converterMap
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244 .put(
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245 new Pair("java.lang.Short", "java.lang.String"), IntegerToStringConverter.fromShort(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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246 converterMap
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247 .put(
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248 new Pair("java.lang.Character", "java.lang.String"), CharacterToStringConverter.fromCharacter(false)); //$NON-NLS-1$//$NON-NLS-2$
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249
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250 converterMap
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251 .put(
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252 new Pair("java.lang.Object", "java.lang.String"), "org.eclipse.core.internal.databinding.conversion.ObjectToStringConverter"); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
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253
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254 // Integer.TYPE
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255 converterMap
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256 .put(
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257 new Pair("java.lang.String", INTEGER_TYPE), StringToNumberConverter.toInteger(integerFormat, true)); //$NON-NLS-1$
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258 converterMap
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259 .put(
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260 new Pair(INTEGER_TYPE, "java.lang.Integer"), new IdentityConverter(Integer.TYPE, Integer.classinfo)); //$NON-NLS-1$
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261 converterMap
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262 .put(
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263 new Pair(INTEGER_TYPE, "java.lang.Object"), new IdentityConverter(Integer.TYPE, Object.classinfo)); //$NON-NLS-1$
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264 converterMap
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265 .put(
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266 new Pair(INTEGER_TYPE, "java.lang.String"), NumberToStringConverter.fromInteger(integerFormat, true)); //$NON-NLS-1$
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267
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268 // Byte.TYPE
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269 converterMap
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270 .put(
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271 new Pair("java.lang.String", BYTE_TYPE), StringToByteConverter.toByte(integerFormat, true)); //$NON-NLS-1$
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272 converterMap
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273 .put(
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274 new Pair(BYTE_TYPE, "java.lang.Byte"), new IdentityConverter(Byte.TYPE, Byte.classinfo)); //$NON-NLS-1$
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275 converterMap
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276 .put(
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277 new Pair(BYTE_TYPE, "java.lang.String"), IntegerToStringConverter.fromByte(integerFormat, true)); //$NON-NLS-1$
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278 converterMap
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279 .put(
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280 new Pair(BYTE_TYPE, "java.lang.Object"), new IdentityConverter(Byte.TYPE, Object.classinfo)); //$NON-NLS-1$
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281
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282 // Double.TYPE
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283 converterMap
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284 .put(
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285 new Pair("java.lang.String", DOUBLE_TYPE), StringToNumberConverter.toDouble(numberFormat, true)); //$NON-NLS-1$
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286 converterMap
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287 .put(
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288 new Pair(DOUBLE_TYPE, "java.lang.String"), NumberToStringConverter.fromDouble(numberFormat, true)); //$NON-NLS-1$
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289
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290 converterMap
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291 .put(
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292 new Pair(DOUBLE_TYPE, "java.lang.Double"), new IdentityConverter(Double.TYPE, Double.classinfo)); //$NON-NLS-1$
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293 converterMap
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294 .put(
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295 new Pair(DOUBLE_TYPE, "java.lang.Object"), new IdentityConverter(Double.TYPE, Object.classinfo)); //$NON-NLS-1$
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296
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297 // Boolean.TYPE
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298 converterMap
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299 .put(
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300 new Pair("java.lang.String", BOOLEAN_TYPE), "org.eclipse.core.internal.databinding.conversion.StringToBooleanPrimitiveConverter"); //$NON-NLS-1$ //$NON-NLS-2$
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301 converterMap
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302 .put(
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303 new Pair(BOOLEAN_TYPE, "java.lang.Boolean"), new IdentityConverter(Boolean.TYPE, Boolean.classinfo)); //$NON-NLS-1$
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304 converterMap
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305 .put(
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306 new Pair(BOOLEAN_TYPE, "java.lang.String"), new ObjectToStringConvertercast(Boolean.TYPE)); //$NON-NLS-1$
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307 converterMap
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308 .put(
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309 new Pair(BOOLEAN_TYPE, "java.lang.Object"), new IdentityConverter(Boolean.TYPE, Object.classinfo)); //$NON-NLS-1$
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310
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311 // Float.TYPE
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312 converterMap
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313 .put(
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314 new Pair("java.lang.String", FLOAT_TYPE), StringToNumberConverter.toFloat(numberFormat, true)); //$NON-NLS-1$
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315 converterMap
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316 .put(
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317 new Pair(FLOAT_TYPE, "java.lang.String"), NumberToStringConverter.fromFloat(numberFormat, true)); //$NON-NLS-1$
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318 converterMap
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319 .put(
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320 new Pair(FLOAT_TYPE, "java.lang.Float"), new IdentityConverter(Float.TYPE, Float.classinfo)); //$NON-NLS-1$
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321 converterMap
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322 .put(
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323 new Pair(FLOAT_TYPE, "java.lang.Object"), new IdentityConverter(Float.TYPE, Object.classinfo)); //$NON-NLS-1$
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324
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325 // Short.TYPE
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326 converterMap
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327 .put(
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328 new Pair("java.lang.String", SHORT_TYPE), StringToShortConverter.toShort(integerFormat, true)); //$NON-NLS-1$
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329 converterMap
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330 .put(
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331 new Pair(SHORT_TYPE, "java.lang.Short"), new IdentityConverter(Short.TYPE, Short.classinfo)); //$NON-NLS-1$
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332 converterMap
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333 .put(
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334 new Pair(SHORT_TYPE, "java.lang.String"), IntegerToStringConverter.fromShort(integerFormat, true)); //$NON-NLS-1$
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335 converterMap
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336 .put(
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337 new Pair(SHORT_TYPE, "java.lang.Object"), new IdentityConverter(Short.TYPE, Object.classinfo)); //$NON-NLS-1$
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338
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339 // Long.TYPE
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340 converterMap
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341 .put(
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342 new Pair("java.lang.String", LONG_TYPE), StringToNumberConverter.toLong(integerFormat, true)); //$NON-NLS-1$
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343 converterMap
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344 .put(
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345 new Pair(LONG_TYPE, "java.lang.String"), NumberToStringConverter.fromLong(integerFormat, true)); //$NON-NLS-1$
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346 converterMap
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347 .put(
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348 new Pair(LONG_TYPE, "java.lang.Long"), new IdentityConverter(Long.TYPE, Long.classinfo)); //$NON-NLS-1$
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|
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349 converterMap
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350 .put(
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351 new Pair(LONG_TYPE, "java.lang.Object"), new IdentityConverter(Long.TYPE, Object.classinfo)); //$NON-NLS-1$
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352
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353 // Character.TYPE
|
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354 converterMap
|
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355 .put(
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356 new Pair("java.lang.String", CHARACTER_TYPE), StringToCharacterConverter.toCharacter(true)); //$NON-NLS-1$
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357 converterMap
|
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358 .put(
|
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359 new Pair(CHARACTER_TYPE, "java.lang.Character"), new IdentityConverter(Character.TYPE, Character.classinfo)); //$NON-NLS-1$
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360 converterMap
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361 .put(
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362 new Pair(CHARACTER_TYPE, "java.lang.String"), CharacterToStringConverter.fromCharacter(true)); //$NON-NLS-1$
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363 converterMap
|
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364 .put(
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365 new Pair(CHARACTER_TYPE, "java.lang.Object"), new IdentityConverter(Character.TYPE, Object.classinfo)); //$NON-NLS-1$
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366
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367 // Miscellaneous
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368 converterMap
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369 .put(
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370 new Pair(
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371 "org.eclipse.core.runtime.IStatus", "java.lang.String"), "org.eclipse.core.internal.databinding.conversion.StatusToStringConverter"); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
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372
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373 addNumberToByteConverters(converterMap, integerFormat,
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374 integerClasses);
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375 addNumberToByteConverters(converterMap, numberFormat, floatClasses);
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376
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377 addNumberToShortConverters(converterMap, integerFormat,
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378 integerClasses);
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379 addNumberToShortConverters(converterMap, numberFormat, floatClasses);
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380
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381 addNumberToIntegerConverters(converterMap, integerFormat,
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382 integerClasses);
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383 addNumberToIntegerConverters(converterMap, numberFormat,
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384 floatClasses);
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385
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386 addNumberToLongConverters(converterMap, integerFormat,
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387 integerClasses);
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388 addNumberToLongConverters(converterMap, numberFormat, floatClasses);
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389
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390 addNumberToFloatConverters(converterMap, integerFormat,
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391 integerClasses);
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392 addNumberToFloatConverters(converterMap, numberFormat, floatClasses);
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393
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394 addNumberToDoubleConverters(converterMap, integerFormat,
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395 integerClasses);
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396 addNumberToDoubleConverters(converterMap, numberFormat,
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|
|
397 floatClasses);
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|
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398
|
|
|
399 addNumberToBigIntegerConverters(converterMap, integerFormat,
|
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|
400 integerClasses);
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|
|
401 addNumberToBigIntegerConverters(converterMap, numberFormat,
|
|
|
402 floatClasses);
|
|
|
403
|
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|
404 addNumberToBigDecimalConverters(converterMap, integerFormat,
|
|
|
405 integerClasses);
|
|
|
406 addNumberToBigDecimalConverters(converterMap, numberFormat,
|
|
|
407 floatClasses);
|
|
|
408 }
|
|
|
409
|
|
|
410 return converterMap;
|
|
|
411 }
|
|
|
412
|
|
|
413 private static final ClassInfo[] integerClasses = new ClassInfo[] [ Byte.TYPE,
|
|
|
414 Byte.classinfo, Short.TYPE, Short.classinfo, Integer.TYPE, Integer.classinfo,
|
|
|
415 Long.TYPE, Long.classinfo, BigInteger.classinfo ];
|
|
|
416
|
|
|
417 private static final ClassInfo[] floatClasses = new ClassInfo[] [ Float.TYPE,
|
|
|
418 Float.classinfo, Double.TYPE, Double.classinfo, BigDecimal.classinfo ];
|
|
|
419
|
|
|
420 /**
|
|
|
421 * Registers converters to boxed and unboxed types from a list of from
|
|
|
422 * classes.
|
|
|
423 *
|
|
|
424 * @param map
|
|
|
425 * @param numberFormat
|
|
|
426 * @param fromTypes
|
|
|
427 */
|
|
|
428 private static void addNumberToByteConverters(Map map,
|
|
|
429 NumberFormat numberFormat, ClassInfo[] fromTypes) {
|
|
|
430
|
|
|
431 for (int i = 0; i < fromTypes.length; i++) {
|
|
|
432 ClassInfo fromType = fromTypes[i];
|
|
|
433 if (!fromType.equals(Byte.classinfo) && !fromType.equalscast(Byte.TYPE)) {
|
|
|
434 String fromName = (fromType.isPrimitive()) ? getKeyForClass(
|
|
|
435 fromType, null) : fromType.getName();
|
|
|
436
|
|
|
437 map
|
|
|
438 .put(new Pair(fromName, BYTE_TYPE),
|
|
|
439 new NumberToByteConverter(numberFormat,
|
|
|
440 fromType, true));
|
|
|
441 map
|
|
|
442 .put(new Pair(fromName, Byte.classinfo.getName()),
|
|
|
443 new NumberToByteConverter(numberFormat,
|
|
|
444 fromType, false));
|
|
|
445 }
|
|
|
446 }
|
|
|
447 }
|
|
|
448
|
|
|
449 /**
|
|
|
450 * Registers converters to boxed and unboxed types from a list of from
|
|
|
451 * classes.
|
|
|
452 *
|
|
|
453 * @param map
|
|
|
454 * @param numberFormat
|
|
|
455 * @param fromTypes
|
|
|
456 */
|
|
|
457 private static void addNumberToShortConverters(Map map,
|
|
|
458 NumberFormat numberFormat, ClassInfo[] fromTypes) {
|
|
|
459 for (int i = 0; i < fromTypes.length; i++) {
|
|
|
460 ClassInfo fromType = fromTypes[i];
|
|
|
461 if (!fromType.equals(Short.classinfo) && !fromType.equalscast(Short.TYPE)) {
|
|
|
462 String fromName = (fromType.isPrimitive()) ? getKeyForClass(
|
|
|
463 fromType, null) : fromType.getName();
|
|
|
464
|
|
|
465 map
|
|
|
466 .put(new Pair(fromName, SHORT_TYPE),
|
|
|
467 new NumberToShortConverter(numberFormat,
|
|
|
468 fromType, true));
|
|
|
469 map.put(new Pair(fromName, Short.classinfo.getName()),
|
|
|
470 new NumberToShortConverter(numberFormat, fromType,
|
|
|
471 false));
|
|
|
472 }
|
|
|
473 }
|
|
|
474 }
|
|
|
475
|
|
|
476 /**
|
|
|
477 * Registers converters to boxed and unboxed types from a list of from
|
|
|
478 * classes.
|
|
|
479 *
|
|
|
480 * @param map
|
|
|
481 * @param numberFormat
|
|
|
482 * @param fromTypes
|
|
|
483 */
|
|
|
484 private static void addNumberToIntegerConverters(Map map,
|
|
|
485 NumberFormat numberFormat, ClassInfo[] fromTypes) {
|
|
|
486 for (int i = 0; i < fromTypes.length; i++) {
|
|
|
487 ClassInfo fromType = fromTypes[i];
|
|
|
488 if (!fromType.equals(Integer.classinfo)
|
|
|
489 && !fromType.equalscast(Integer.TYPE)) {
|
|
|
490 String fromName = (fromType.isPrimitive()) ? getKeyForClass(
|
|
|
491 fromType, null) : fromType.getName();
|
|
|
492
|
|
|
493 map.put(new Pair(fromName, INTEGER_TYPE),
|
|
|
494 new NumberToIntegerConverter(numberFormat, fromType,
|
|
|
495 true));
|
|
|
496 map.put(new Pair(fromName, Integer.classinfo.getName()),
|
|
|
497 new NumberToIntegerConverter(numberFormat, fromType,
|
|
|
498 false));
|
|
|
499 }
|
|
|
500 }
|
|
|
501 }
|
|
|
502
|
|
|
503 /**
|
|
|
504 * Registers converters to boxed and unboxed types from a list of from
|
|
|
505 * classes.
|
|
|
506 *
|
|
|
507 * @param map
|
|
|
508 * @param numberFormat
|
|
|
509 * @param fromTypes
|
|
|
510 */
|
|
|
511 private static void addNumberToLongConverters(Map map,
|
|
|
512 NumberFormat numberFormat, ClassInfo[] fromTypes) {
|
|
|
513 for (int i = 0; i < fromTypes.length; i++) {
|
|
|
514 ClassInfo fromType = fromTypes[i];
|
|
|
515 if (!fromType.equals(Long.classinfo) && !fromType.equalscast(Long.TYPE)) {
|
|
|
516 String fromName = (fromType.isPrimitive()) ? getKeyForClass(
|
|
|
517 fromType, null) : fromType.getName();
|
|
|
518
|
|
|
519 map
|
|
|
520 .put(new Pair(fromName, LONG_TYPE),
|
|
|
521 new NumberToLongConverter(numberFormat,
|
|
|
522 fromType, true));
|
|
|
523 map
|
|
|
524 .put(new Pair(fromName, Long.classinfo.getName()),
|
|
|
525 new NumberToLongConverter(numberFormat,
|
|
|
526 fromType, false));
|
|
|
527 }
|
|
|
528 }
|
|
|
529 }
|
|
|
530
|
|
|
531 /**
|
|
|
532 * Registers converters to boxed and unboxed types from a list of from
|
|
|
533 * classes.
|
|
|
534 *
|
|
|
535 * @param map
|
|
|
536 * @param numberFormat
|
|
|
537 * @param fromTypes
|
|
|
538 */
|
|
|
539 private static void addNumberToFloatConverters(Map map,
|
|
|
540 NumberFormat numberFormat, ClassInfo[] fromTypes) {
|
|
|
541 for (int i = 0; i < fromTypes.length; i++) {
|
|
|
542 ClassInfo fromType = fromTypes[i];
|
|
|
543 if (!fromType.equals(Float.classinfo) && !fromType.equalscast(Float.TYPE)) {
|
|
|
544 String fromName = (fromType.isPrimitive()) ? getKeyForClass(
|
|
|
545 fromType, null) : fromType.getName();
|
|
|
546
|
|
|
547 map
|
|
|
548 .put(new Pair(fromName, FLOAT_TYPE),
|
|
|
549 new NumberToFloatConverter(numberFormat,
|
|
|
550 fromType, true));
|
|
|
551 map.put(new Pair(fromName, Float.classinfo.getName()),
|
|
|
552 new NumberToFloatConverter(numberFormat, fromType,
|
|
|
553 false));
|
|
|
554 }
|
|
|
555 }
|
|
|
556 }
|
|
|
557
|
|
|
558 /**
|
|
|
559 * Registers converters to boxed and unboxed types from a list of from
|
|
|
560 * classes.
|
|
|
561 *
|
|
|
562 * @param map
|
|
|
563 * @param numberFormat
|
|
|
564 * @param fromTypes
|
|
|
565 */
|
|
|
566 private static void addNumberToDoubleConverters(Map map,
|
|
|
567 NumberFormat numberFormat, ClassInfo[] fromTypes) {
|
|
|
568 for (int i = 0; i < fromTypes.length; i++) {
|
|
|
569 ClassInfo fromType = fromTypes[i];
|
|
|
570 if (!fromType.equals(Double.classinfo) && !fromType.equalscast(Double.TYPE)) {
|
|
|
571 String fromName = (fromType.isPrimitive()) ? getKeyForClass(
|
|
|
572 fromType, null) : fromType.getName();
|
|
|
573
|
|
|
574 map.put(new Pair(fromName, DOUBLE_TYPE),
|
|
|
575 new NumberToDoubleConverter(numberFormat, fromType,
|
|
|
576 true));
|
|
|
577 map.put(new Pair(fromName, Double.classinfo.getName()),
|
|
|
578 new NumberToDoubleConverter(numberFormat, fromType,
|
|
|
579 false));
|
|
|
580 }
|
|
|
581 }
|
|
|
582 }
|
|
|
583
|
|
|
584 /**
|
|
|
585 * Registers converters to boxed and unboxed types from a list of from
|
|
|
586 * classes.
|
|
|
587 *
|
|
|
588 * @param map
|
|
|
589 * @param numberFormat
|
|
|
590 * @param fromTypes
|
|
|
591 */
|
|
|
592 private static void addNumberToBigIntegerConverters(Map map,
|
|
|
593 NumberFormat numberFormat, ClassInfo[] fromTypes) {
|
|
|
594 for (int i = 0; i < fromTypes.length; i++) {
|
|
|
595 ClassInfo fromType = fromTypes[i];
|
|
|
596 if (!fromType.equals(BigInteger.classinfo)) {
|
|
|
597 String fromName = (fromType.isPrimitive()) ? getKeyForClass(
|
|
|
598 fromType, null) : fromType.getName();
|
|
|
599
|
|
|
600 map
|
|
|
601 .put(new Pair(fromName, BigInteger.classinfo.getName()),
|
|
|
602 new NumberToBigIntegerConverter(numberFormat,
|
|
|
603 fromType));
|
|
|
604 }
|
|
|
605 }
|
|
|
606 }
|
|
|
607
|
|
|
608 /**
|
|
|
609 * Registers converters to boxed and unboxed types from a list of from
|
|
|
610 * classes.
|
|
|
611 *
|
|
|
612 * @param map
|
|
|
613 * @param numberFormat
|
|
|
614 * @param fromTypes
|
|
|
615 */
|
|
|
616 private static void addNumberToBigDecimalConverters(Map map,
|
|
|
617 NumberFormat numberFormat, ClassInfo[] fromTypes) {
|
|
|
618 for (int i = 0; i < fromTypes.length; i++) {
|
|
|
619 ClassInfo fromType = fromTypes[i];
|
|
|
620 if (!fromType.equals(BigDecimal.classinfo)) {
|
|
|
621 String fromName = (fromType.isPrimitive()) ? getKeyForClass(
|
|
|
622 fromType, null) : fromType.getName();
|
|
|
623
|
|
|
624 map
|
|
|
625 .put(new Pair(fromName, BigDecimal.classinfo.getName()),
|
|
|
626 new NumberToBigDecimalConverter(numberFormat,
|
|
|
627 fromType));
|
|
|
628 }
|
|
|
629 }
|
|
|
630 }
|
|
|
631
|
|
|
632 private static String getKeyForClass(Object originalValue,
|
|
|
633 ClassInfo filteredValue) {
|
|
|
634 if ( null !is cast(ClassInfo)originalValue ) {
|
|
|
635 ClassInfo originalClass = cast(ClassInfo) originalValue;
|
|
|
636 if (originalClass.equalscast(Integer.TYPE)) {
|
|
|
637 return INTEGER_TYPE;
|
|
|
638 } else if (originalClass.equalscast(Byte.TYPE)) {
|
|
|
639 return BYTE_TYPE;
|
|
|
640 } else if (originalClass.equalscast(Boolean.TYPE)) {
|
|
|
641 return BOOLEAN_TYPE;
|
|
|
642 } else if (originalClass.equalscast(Double.TYPE)) {
|
|
|
643 return DOUBLE_TYPE;
|
|
|
644 } else if (originalClass.equalscast(Float.TYPE)) {
|
|
|
645 return FLOAT_TYPE;
|
|
|
646 } else if (originalClass.equalscast(Long.TYPE)) {
|
|
|
647 return LONG_TYPE;
|
|
|
648 } else if (originalClass.equalscast(Short.TYPE)) {
|
|
|
649 return SHORT_TYPE;
|
|
|
650 }
|
|
|
651 }
|
|
|
652 return filteredValue.getName();
|
|
|
653 }
|
|
|
654
|
|
|
655 /**
|
|
|
656 * Returns {@link Boolean#TRUE} if the from type is assignable to the to
|
|
|
657 * type, or {@link Boolean#FALSE} if it not, or <code>null</code> if
|
|
|
658 * unknown.
|
|
|
659 *
|
|
|
660 * @param fromType
|
|
|
661 * @param toType
|
|
|
662 * @return whether fromType is assignable to toType, or <code>null</code>
|
|
|
663 * if unknown
|
|
|
664 */
|
|
|
665 protected Boolean isAssignableFromTo(Object fromType, Object toType) {
|
|
|
666 if ( null !is cast(ClassInfo )fromType && null !is cast(ClassInfo)toType ) {
|
|
|
667 ClassInfo toClass = cast(ClassInfo) toType;
|
|
|
668 if (toClass.isPrimitive()) {
|
|
|
669 toClass = autoboxed(toClass);
|
|
|
670 }
|
|
|
671 ClassInfo fromClass = cast(ClassInfo) fromType;
|
|
|
672 if (fromClass.isPrimitive()) {
|
|
|
673 fromClass = autoboxed(fromClass);
|
|
|
674 }
|
|
|
675 return toClass.isAssignableFrom(fromClass) ? Boolean.TRUE
|
|
|
676 : Boolean.FALSE;
|
|
|
677 }
|
|
|
678 return null;
|
|
|
679 }
|
|
|
680
|
|
|
681 /*
|
|
|
682 * Default converter implementation, does not perform any conversion.
|
|
|
683 */
|
|
|
684 protected static final class DefaultConverter : IConverter {
|
|
|
685
|
|
|
686 private final Object toType;
|
|
|
687
|
|
|
688 private final Object fromType;
|
|
|
689
|
|
|
690 /**
|
|
|
691 * @param fromType
|
|
|
692 * @param toType
|
|
|
693 */
|
|
|
694 this(Object fromType, Object toType) {
|
|
|
695 this.toType = toType;
|
|
|
696 this.fromType = fromType;
|
|
|
697 }
|
|
|
698
|
|
|
699 public Object convert(Object fromObject) {
|
|
|
700 return fromObject;
|
|
|
701 }
|
|
|
702
|
|
|
703 public Object getFromType() {
|
|
|
704 return fromType;
|
|
|
705 }
|
|
|
706
|
|
|
707 public Object getToType() {
|
|
|
708 return toType;
|
|
|
709 }
|
|
|
710 }
|
|
|
711
|
|
|
712 }
|
