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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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81
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15 import org.eclipse.core.databinding.BindingException;
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78
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16
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17 import java.lang.all;
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18
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19 import java.math.BigDecimal;
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20 import java.math.BigInteger;
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21 import java.util.HashMap;
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22 import java.util.Map;
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23
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24 import org.eclipse.core.databinding.conversion.IConverter;
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25 import org.eclipse.core.databinding.conversion.NumberToStringConverter;
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26 import org.eclipse.core.databinding.conversion.StringToNumberConverter;
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27 import org.eclipse.core.databinding.util.Policy;
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28 import org.eclipse.core.internal.databinding.ClassLookupSupport;
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29 import org.eclipse.core.internal.databinding.Pair;
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30 import org.eclipse.core.internal.databinding.conversion.CharacterToStringConverter;
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31 import org.eclipse.core.internal.databinding.conversion.IdentityConverter;
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32 import org.eclipse.core.internal.databinding.conversion.IntegerToStringConverter;
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33 import org.eclipse.core.internal.databinding.conversion.NumberToBigDecimalConverter;
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34 import org.eclipse.core.internal.databinding.conversion.NumberToBigIntegerConverter;
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35 import org.eclipse.core.internal.databinding.conversion.NumberToByteConverter;
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36 import org.eclipse.core.internal.databinding.conversion.NumberToDoubleConverter;
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37 import org.eclipse.core.internal.databinding.conversion.NumberToFloatConverter;
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38 import org.eclipse.core.internal.databinding.conversion.NumberToIntegerConverter;
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39 import org.eclipse.core.internal.databinding.conversion.NumberToLongConverter;
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40 import org.eclipse.core.internal.databinding.conversion.NumberToShortConverter;
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41 import org.eclipse.core.internal.databinding.conversion.ObjectToStringConverter;
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42 import org.eclipse.core.internal.databinding.conversion.StringToByteConverter;
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43 import org.eclipse.core.internal.databinding.conversion.StringToCharacterConverter;
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44 import org.eclipse.core.internal.databinding.conversion.StringToShortConverter;
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45 import org.eclipse.core.runtime.IStatus;
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46 import org.eclipse.core.runtime.Status;
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47
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48 import com.ibm.icu.text.NumberFormat;
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49
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50 /**
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51 * @since 1.0
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52 *
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53 */
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54 /* package */class UpdateStrategy {
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55
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56 private static final String BOOLEAN_TYPE = "java.lang.Boolean.TYPE"; //$NON-NLS-1$
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57
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58 private static final String SHORT_TYPE = "java.lang.Short.TYPE"; //$NON-NLS-1$
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59
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60 private static final String BYTE_TYPE = "java.lang.Byte.TYPE"; //$NON-NLS-1$
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61
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62 private static final String DOUBLE_TYPE = "java.lang.Double.TYPE"; //$NON-NLS-1$
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63
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64 private static final String FLOAT_TYPE = "java.lang.Float.TYPE"; //$NON-NLS-1$
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65
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66 private static final String INTEGER_TYPE = "java.lang.Integer.TYPE"; //$NON-NLS-1$
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67
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68 private static final String LONG_TYPE = "java.lang.Long.TYPE"; //$NON-NLS-1$
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69
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70 private static final String CHARACTER_TYPE = "java.lang.Character.TYPE"; //$NON-NLS-1$
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71
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72 private static Map converterMap;
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73
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74 private static ClassInfo autoboxed(ClassInfo clazz) {
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75 if (clazz is Float.TYPE)
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76 return Float.classinfo;
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77 else if (clazz is Double.TYPE)
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78 return Double.classinfo;
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79 else if (clazz is Short.TYPE)
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80 return Short.classinfo;
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81 else if (clazz is Integer.TYPE)
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82 return Integer.classinfo;
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83 else if (clazz is Long.TYPE)
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84 return Long.classinfo;
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85 else if (clazz is Byte.TYPE)
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86 return Byte.classinfo;
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87 else if (clazz is Boolean.TYPE)
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88 return Boolean.classinfo;
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89 else if (clazz is Character.TYPE)
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90 return Character.classinfo;
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91 return clazz;
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92 }
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93
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94 final protected void checkAssignable(Object toType, Object fromType,
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95 String errorString) {
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96 Boolean assignableFromModelToModelConverter = isAssignableFromTo(
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97 fromType, toType);
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98 if (assignableFromModelToModelConverter !is null
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99 && !assignableFromModelToModelConverter.booleanValue()) {
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100 throw new BindingException(errorString
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101 + " Expected: " + fromType + ", actual: " + toType); //$NON-NLS-1$//$NON-NLS-2$
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102 }
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103 }
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104
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105 /**
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106 * Tries to create a converter that can convert from values of type
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107 * fromType. Returns <code>null</code> if no converter could be created.
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108 * Either toType or modelDescription can be <code>null</code>, but not
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109 * both.
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110 *
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111 * @param fromType
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112 * @param toType
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113 * @return an IConverter, or <code>null</code> if unsuccessful
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114 */
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115 protected IConverter createConverter(Object fromType, Object toType) {
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116 if (!( null !is cast(ClassInfo)fromType ) || !( null !is cast(ClassInfo)toType )) {
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117 return new DefaultConverter(fromType, toType);
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118 }
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119 ClassInfo toClass = cast(ClassInfo) toType;
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120 ClassInfo originalToClass = toClass;
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121 if (toClass.isPrimitive()) {
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122 toClass = autoboxed(toClass);
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123 }
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124 ClassInfo fromClass = cast(ClassInfo) fromType;
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125 ClassInfo originalFromClass = fromClass;
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126 if (fromClass.isPrimitive()) {
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127 fromClass = autoboxed(fromClass);
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128 }
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129 if (!(cast(ClassInfo) toType).isPrimitive()
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130 && toClass.isAssignableFrom(fromClass)) {
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131 return new IdentityConverter(originalFromClass, originalToClass);
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132 }
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133 if ((cast(ClassInfo) fromType).isPrimitive() && (cast(ClassInfo) toType).isPrimitive()
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134 && fromType.equals(toType)) {
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135 return new IdentityConverter(originalFromClass, originalToClass);
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136 }
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137 Map converterMap = getConverterMap();
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138 ClassInfo[] supertypeHierarchyFlattened = ClassLookupSupport
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139 .getTypeHierarchyFlattened(fromClass);
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140 for (int i = 0; i < supertypeHierarchyFlattened.length; i++) {
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141 ClassInfo currentFromClass = supertypeHierarchyFlattened[i];
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142 if (currentFromClass is toType) {
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143 // converting to toType is just a widening
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144 return new IdentityConverter(fromClass, toClass);
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145 }
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146 Pair key = new Pair(getKeyForClass(fromType, currentFromClass),
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147 getKeyForClass(toType, toClass));
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148 Object converterOrClassname = converterMap.get(key);
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149 if ( null !is cast(IConverter)converterOrClassname ) {
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150 return cast(IConverter) converterOrClassname;
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151 } else if ( null !is cast(String)converterOrClassname ) {
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152 String classname = cast(String) converterOrClassname;
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153 ClassInfo converterClass;
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154 try {
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155 converterClass = ClassInfo.forName(classname);
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156 IConverter result = cast(IConverter) converterClass
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157 .newInstance();
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158 converterMap.put(key, result);
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159 return result;
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160 } catch (Exception e) {
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161 Policy
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162 .getLog()
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163 .log(
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164 new Status(
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165 IStatus.ERROR,
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166 Policy.JFACE_DATABINDING,
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167 0,
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168 "Error while instantiating default converter", e)); //$NON-NLS-1$
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169 }
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170 }
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171 }
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172 // Since we found no converter yet, try a "downcast" converter;
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173 // the IdentityConverter will automatically check the actual types at
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174 // runtime.
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175 if (fromClass.isAssignableFrom(toClass)) {
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176 return new IdentityConverter(originalFromClass, originalToClass);
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177 }
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178 return new DefaultConverter(fromType, toType);
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179 }
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180
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181 private synchronized static Map getConverterMap() {
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182 // using string-based lookup avoids loading of too many classes
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183 if (converterMap is null) {
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184 // NumberFormat to be shared across converters for the formatting of
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185 // integer values
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186 NumberFormat integerFormat = NumberFormat.getIntegerInstance();
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187 // NumberFormat to be shared across converters for formatting non
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188 // integer values
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189 NumberFormat numberFormat = NumberFormat.getNumberInstance();
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190
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191 converterMap = new HashMap();
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192 // Standard and Boxed Types
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193 converterMap
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194 .put(
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195 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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196 converterMap
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197 .put(
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198 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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199 converterMap
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200 .put(
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201 new Pair("java.lang.String", "java.lang.Byte"), StringToByteConverter.toByte(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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202 converterMap
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203 .put(
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204 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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205 converterMap
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206 .put(
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207 new Pair("java.lang.String", "java.lang.Short"), StringToShortConverter.toShort(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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208 converterMap
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209 .put(
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210 new Pair("java.lang.String", "java.lang.Character"), StringToCharacterConverter.toCharacter(false)); //$NON-NLS-1$//$NON-NLS-2$
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211 converterMap
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212 .put(
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213 new Pair("java.lang.String", "java.lang.Integer"), StringToNumberConverter.toInteger(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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214 converterMap
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215 .put(
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216 new Pair("java.lang.String", "java.lang.Double"), StringToNumberConverter.toDouble(numberFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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217 converterMap
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218 .put(
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219 new Pair("java.lang.String", "java.lang.Long"), StringToNumberConverter.toLong(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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220 converterMap
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221 .put(
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222 new Pair("java.lang.String", "java.lang.Float"), StringToNumberConverter.toFloat(numberFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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223 converterMap
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224 .put(
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225 new Pair("java.lang.String", "java.math.BigInteger"), StringToNumberConverter.toBigInteger(integerFormat)); //$NON-NLS-1$//$NON-NLS-2$
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226 converterMap
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227 .put(
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228 new Pair("java.lang.Integer", "java.lang.String"), NumberToStringConverter.fromInteger(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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229 converterMap
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230 .put(
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231 new Pair("java.lang.Long", "java.lang.String"), NumberToStringConverter.fromLong(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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232 converterMap
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233 .put(
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234 new Pair("java.lang.Double", "java.lang.String"), NumberToStringConverter.fromDouble(numberFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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235 converterMap
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236 .put(
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237 new Pair("java.lang.Float", "java.lang.String"), NumberToStringConverter.fromFloat(numberFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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238 converterMap
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239 .put(
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240 new Pair("java.math.BigInteger", "java.lang.String"), NumberToStringConverter.fromBigInteger(integerFormat)); //$NON-NLS-1$//$NON-NLS-2$
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241 converterMap
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242 .put(
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243 new Pair("java.lang.Byte", "java.lang.String"), IntegerToStringConverter.fromByte(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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244 converterMap
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245 .put(
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246 new Pair("java.lang.Short", "java.lang.String"), IntegerToStringConverter.fromShort(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$
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247 converterMap
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248 .put(
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249 new Pair("java.lang.Character", "java.lang.String"), CharacterToStringConverter.fromCharacter(false)); //$NON-NLS-1$//$NON-NLS-2$
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250
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251 converterMap
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252 .put(
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253 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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254
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255 // Integer.TYPE
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256 converterMap
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257 .put(
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258 new Pair("java.lang.String", INTEGER_TYPE), StringToNumberConverter.toInteger(integerFormat, true)); //$NON-NLS-1$
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259 converterMap
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260 .put(
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261 new Pair(INTEGER_TYPE, "java.lang.Integer"), new IdentityConverter(Integer.TYPE, Integer.classinfo)); //$NON-NLS-1$
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262 converterMap
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263 .put(
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264 new Pair(INTEGER_TYPE, "java.lang.Object"), new IdentityConverter(Integer.TYPE, Object.classinfo)); //$NON-NLS-1$
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265 converterMap
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266 .put(
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267 new Pair(INTEGER_TYPE, "java.lang.String"), NumberToStringConverter.fromInteger(integerFormat, true)); //$NON-NLS-1$
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268
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269 // Byte.TYPE
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270 converterMap
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271 .put(
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272 new Pair("java.lang.String", BYTE_TYPE), StringToByteConverter.toByte(integerFormat, true)); //$NON-NLS-1$
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273 converterMap
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274 .put(
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275 new Pair(BYTE_TYPE, "java.lang.Byte"), new IdentityConverter(Byte.TYPE, Byte.classinfo)); //$NON-NLS-1$
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276 converterMap
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277 .put(
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278 new Pair(BYTE_TYPE, "java.lang.String"), IntegerToStringConverter.fromByte(integerFormat, true)); //$NON-NLS-1$
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279 converterMap
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280 .put(
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281 new Pair(BYTE_TYPE, "java.lang.Object"), new IdentityConverter(Byte.TYPE, Object.classinfo)); //$NON-NLS-1$
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282
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283 // Double.TYPE
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284 converterMap
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285 .put(
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286 new Pair("java.lang.String", DOUBLE_TYPE), StringToNumberConverter.toDouble(numberFormat, true)); //$NON-NLS-1$
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287 converterMap
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288 .put(
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289 new Pair(DOUBLE_TYPE, "java.lang.String"), NumberToStringConverter.fromDouble(numberFormat, true)); //$NON-NLS-1$
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290
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291 converterMap
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292 .put(
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293 new Pair(DOUBLE_TYPE, "java.lang.Double"), new IdentityConverter(Double.TYPE, Double.classinfo)); //$NON-NLS-1$
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294 converterMap
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295 .put(
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296 new Pair(DOUBLE_TYPE, "java.lang.Object"), new IdentityConverter(Double.TYPE, Object.classinfo)); //$NON-NLS-1$
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297
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298 // Boolean.TYPE
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299 converterMap
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300 .put(
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301 new Pair("java.lang.String", BOOLEAN_TYPE), "org.eclipse.core.internal.databinding.conversion.StringToBooleanPrimitiveConverter"); //$NON-NLS-1$ //$NON-NLS-2$
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302 converterMap
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303 .put(
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304 new Pair(BOOLEAN_TYPE, "java.lang.Boolean"), new IdentityConverter(Boolean.TYPE, Boolean.classinfo)); //$NON-NLS-1$
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305 converterMap
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306 .put(
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307 new Pair(BOOLEAN_TYPE, "java.lang.String"), new ObjectToStringConvertercast(Boolean.TYPE)); //$NON-NLS-1$
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308 converterMap
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309 .put(
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310 new Pair(BOOLEAN_TYPE, "java.lang.Object"), new IdentityConverter(Boolean.TYPE, Object.classinfo)); //$NON-NLS-1$
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311
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312 // Float.TYPE
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313 converterMap
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314 .put(
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315 new Pair("java.lang.String", FLOAT_TYPE), StringToNumberConverter.toFloat(numberFormat, true)); //$NON-NLS-1$
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316 converterMap
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317 .put(
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318 new Pair(FLOAT_TYPE, "java.lang.String"), NumberToStringConverter.fromFloat(numberFormat, true)); //$NON-NLS-1$
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319 converterMap
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320 .put(
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321 new Pair(FLOAT_TYPE, "java.lang.Float"), new IdentityConverter(Float.TYPE, Float.classinfo)); //$NON-NLS-1$
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322 converterMap
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323 .put(
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324 new Pair(FLOAT_TYPE, "java.lang.Object"), new IdentityConverter(Float.TYPE, Object.classinfo)); //$NON-NLS-1$
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325
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326 // Short.TYPE
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327 converterMap
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328 .put(
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329 new Pair("java.lang.String", SHORT_TYPE), StringToShortConverter.toShort(integerFormat, true)); //$NON-NLS-1$
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330 converterMap
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331 .put(
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332 new Pair(SHORT_TYPE, "java.lang.Short"), new IdentityConverter(Short.TYPE, Short.classinfo)); //$NON-NLS-1$
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333 converterMap
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334 .put(
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335 new Pair(SHORT_TYPE, "java.lang.String"), IntegerToStringConverter.fromShort(integerFormat, true)); //$NON-NLS-1$
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336 converterMap
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337 .put(
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338 new Pair(SHORT_TYPE, "java.lang.Object"), new IdentityConverter(Short.TYPE, Object.classinfo)); //$NON-NLS-1$
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339
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340 // Long.TYPE
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341 converterMap
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342 .put(
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343 new Pair("java.lang.String", LONG_TYPE), StringToNumberConverter.toLong(integerFormat, true)); //$NON-NLS-1$
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344 converterMap
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345 .put(
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346 new Pair(LONG_TYPE, "java.lang.String"), NumberToStringConverter.fromLong(integerFormat, true)); //$NON-NLS-1$
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347 converterMap
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348 .put(
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349 new Pair(LONG_TYPE, "java.lang.Long"), new IdentityConverter(Long.TYPE, Long.classinfo)); //$NON-NLS-1$
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350 converterMap
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351 .put(
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352 new Pair(LONG_TYPE, "java.lang.Object"), new IdentityConverter(Long.TYPE, Object.classinfo)); //$NON-NLS-1$
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353
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354 // Character.TYPE
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355 converterMap
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356 .put(
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357 new Pair("java.lang.String", CHARACTER_TYPE), StringToCharacterConverter.toCharacter(true)); //$NON-NLS-1$
|
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358 converterMap
|
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359 .put(
|
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360 new Pair(CHARACTER_TYPE, "java.lang.Character"), new IdentityConverter(Character.TYPE, Character.classinfo)); //$NON-NLS-1$
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361 converterMap
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362 .put(
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363 new Pair(CHARACTER_TYPE, "java.lang.String"), CharacterToStringConverter.fromCharacter(true)); //$NON-NLS-1$
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|
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364 converterMap
|
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365 .put(
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366 new Pair(CHARACTER_TYPE, "java.lang.Object"), new IdentityConverter(Character.TYPE, Object.classinfo)); //$NON-NLS-1$
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367
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368 // Miscellaneous
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369 converterMap
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370 .put(
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371 new Pair(
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372 "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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373
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374 addNumberToByteConverters(converterMap, integerFormat,
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375 integerClasses);
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376 addNumberToByteConverters(converterMap, numberFormat, floatClasses);
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377
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378 addNumberToShortConverters(converterMap, integerFormat,
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379 integerClasses);
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380 addNumberToShortConverters(converterMap, numberFormat, floatClasses);
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381
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382 addNumberToIntegerConverters(converterMap, integerFormat,
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383 integerClasses);
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384 addNumberToIntegerConverters(converterMap, numberFormat,
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385 floatClasses);
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386
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387 addNumberToLongConverters(converterMap, integerFormat,
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388 integerClasses);
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389 addNumberToLongConverters(converterMap, numberFormat, floatClasses);
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390
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391 addNumberToFloatConverters(converterMap, integerFormat,
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392 integerClasses);
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393 addNumberToFloatConverters(converterMap, numberFormat, floatClasses);
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394
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395 addNumberToDoubleConverters(converterMap, integerFormat,
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396 integerClasses);
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|
397 addNumberToDoubleConverters(converterMap, numberFormat,
|
|
|
398 floatClasses);
|
|
|
399
|
|
|
400 addNumberToBigIntegerConverters(converterMap, integerFormat,
|
|
|
401 integerClasses);
|
|
|
402 addNumberToBigIntegerConverters(converterMap, numberFormat,
|
|
|
403 floatClasses);
|
|
|
404
|
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|
405 addNumberToBigDecimalConverters(converterMap, integerFormat,
|
|
|
406 integerClasses);
|
|
|
407 addNumberToBigDecimalConverters(converterMap, numberFormat,
|
|
|
408 floatClasses);
|
|
|
409 }
|
|
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410
|
|
|
411 return converterMap;
|
|
|
412 }
|
|
|
413
|
|
|
414 private static final ClassInfo[] integerClasses = new ClassInfo[] [ Byte.TYPE,
|
|
|
415 Byte.classinfo, Short.TYPE, Short.classinfo, Integer.TYPE, Integer.classinfo,
|
|
|
416 Long.TYPE, Long.classinfo, BigInteger.classinfo ];
|
|
|
417
|
|
|
418 private static final ClassInfo[] floatClasses = new ClassInfo[] [ Float.TYPE,
|
|
|
419 Float.classinfo, Double.TYPE, Double.classinfo, BigDecimal.classinfo ];
|
|
|
420
|
|
|
421 /**
|
|
|
422 * Registers converters to boxed and unboxed types from a list of from
|
|
|
423 * classes.
|
|
|
424 *
|
|
|
425 * @param map
|
|
|
426 * @param numberFormat
|
|
|
427 * @param fromTypes
|
|
|
428 */
|
|
|
429 private static void addNumberToByteConverters(Map map,
|
|
|
430 NumberFormat numberFormat, ClassInfo[] fromTypes) {
|
|
|
431
|
|
|
432 for (int i = 0; i < fromTypes.length; i++) {
|
|
|
433 ClassInfo fromType = fromTypes[i];
|
|
|
434 if (!fromType.equals(Byte.classinfo) && !fromType.equalscast(Byte.TYPE)) {
|
|
|
435 String fromName = (fromType.isPrimitive()) ? getKeyForClass(
|
|
|
436 fromType, null) : fromType.getName();
|
|
|
437
|
|
|
438 map
|
|
|
439 .put(new Pair(fromName, BYTE_TYPE),
|
|
|
440 new NumberToByteConverter(numberFormat,
|
|
|
441 fromType, true));
|
|
|
442 map
|
|
|
443 .put(new Pair(fromName, Byte.classinfo.getName()),
|
|
|
444 new NumberToByteConverter(numberFormat,
|
|
|
445 fromType, false));
|
|
|
446 }
|
|
|
447 }
|
|
|
448 }
|
|
|
449
|
|
|
450 /**
|
|
|
451 * Registers converters to boxed and unboxed types from a list of from
|
|
|
452 * classes.
|
|
|
453 *
|
|
|
454 * @param map
|
|
|
455 * @param numberFormat
|
|
|
456 * @param fromTypes
|
|
|
457 */
|
|
|
458 private static void addNumberToShortConverters(Map map,
|
|
|
459 NumberFormat numberFormat, ClassInfo[] fromTypes) {
|
|
|
460 for (int i = 0; i < fromTypes.length; i++) {
|
|
|
461 ClassInfo fromType = fromTypes[i];
|
|
|
462 if (!fromType.equals(Short.classinfo) && !fromType.equalscast(Short.TYPE)) {
|
|
|
463 String fromName = (fromType.isPrimitive()) ? getKeyForClass(
|
|
|
464 fromType, null) : fromType.getName();
|
|
|
465
|
|
|
466 map
|
|
|
467 .put(new Pair(fromName, SHORT_TYPE),
|
|
|
468 new NumberToShortConverter(numberFormat,
|
|
|
469 fromType, true));
|
|
|
470 map.put(new Pair(fromName, Short.classinfo.getName()),
|
|
|
471 new NumberToShortConverter(numberFormat, fromType,
|
|
|
472 false));
|
|
|
473 }
|
|
|
474 }
|
|
|
475 }
|
|
|
476
|
|
|
477 /**
|
|
|
478 * Registers converters to boxed and unboxed types from a list of from
|
|
|
479 * classes.
|
|
|
480 *
|
|
|
481 * @param map
|
|
|
482 * @param numberFormat
|
|
|
483 * @param fromTypes
|
|
|
484 */
|
|
|
485 private static void addNumberToIntegerConverters(Map map,
|
|
|
486 NumberFormat numberFormat, ClassInfo[] fromTypes) {
|
|
|
487 for (int i = 0; i < fromTypes.length; i++) {
|
|
|
488 ClassInfo fromType = fromTypes[i];
|
|
|
489 if (!fromType.equals(Integer.classinfo)
|
|
|
490 && !fromType.equalscast(Integer.TYPE)) {
|
|
|
491 String fromName = (fromType.isPrimitive()) ? getKeyForClass(
|
|
|
492 fromType, null) : fromType.getName();
|
|
|
493
|
|
|
494 map.put(new Pair(fromName, INTEGER_TYPE),
|
|
|
495 new NumberToIntegerConverter(numberFormat, fromType,
|
|
|
496 true));
|
|
|
497 map.put(new Pair(fromName, Integer.classinfo.getName()),
|
|
|
498 new NumberToIntegerConverter(numberFormat, fromType,
|
|
|
499 false));
|
|
|
500 }
|
|
|
501 }
|
|
|
502 }
|
|
|
503
|
|
|
504 /**
|
|
|
505 * Registers converters to boxed and unboxed types from a list of from
|
|
|
506 * classes.
|
|
|
507 *
|
|
|
508 * @param map
|
|
|
509 * @param numberFormat
|
|
|
510 * @param fromTypes
|
|
|
511 */
|
|
|
512 private static void addNumberToLongConverters(Map map,
|
|
|
513 NumberFormat numberFormat, ClassInfo[] fromTypes) {
|
|
|
514 for (int i = 0; i < fromTypes.length; i++) {
|
|
|
515 ClassInfo fromType = fromTypes[i];
|
|
|
516 if (!fromType.equals(Long.classinfo) && !fromType.equalscast(Long.TYPE)) {
|
|
|
517 String fromName = (fromType.isPrimitive()) ? getKeyForClass(
|
|
|
518 fromType, null) : fromType.getName();
|
|
|
519
|
|
|
520 map
|
|
|
521 .put(new Pair(fromName, LONG_TYPE),
|
|
|
522 new NumberToLongConverter(numberFormat,
|
|
|
523 fromType, true));
|
|
|
524 map
|
|
|
525 .put(new Pair(fromName, Long.classinfo.getName()),
|
|
|
526 new NumberToLongConverter(numberFormat,
|
|
|
527 fromType, false));
|
|
|
528 }
|
|
|
529 }
|
|
|
530 }
|
|
|
531
|
|
|
532 /**
|
|
|
533 * Registers converters to boxed and unboxed types from a list of from
|
|
|
534 * classes.
|
|
|
535 *
|
|
|
536 * @param map
|
|
|
537 * @param numberFormat
|
|
|
538 * @param fromTypes
|
|
|
539 */
|
|
|
540 private static void addNumberToFloatConverters(Map map,
|
|
|
541 NumberFormat numberFormat, ClassInfo[] fromTypes) {
|
|
|
542 for (int i = 0; i < fromTypes.length; i++) {
|
|
|
543 ClassInfo fromType = fromTypes[i];
|
|
|
544 if (!fromType.equals(Float.classinfo) && !fromType.equalscast(Float.TYPE)) {
|
|
|
545 String fromName = (fromType.isPrimitive()) ? getKeyForClass(
|
|
|
546 fromType, null) : fromType.getName();
|
|
|
547
|
|
|
548 map
|
|
|
549 .put(new Pair(fromName, FLOAT_TYPE),
|
|
|
550 new NumberToFloatConverter(numberFormat,
|
|
|
551 fromType, true));
|
|
|
552 map.put(new Pair(fromName, Float.classinfo.getName()),
|
|
|
553 new NumberToFloatConverter(numberFormat, fromType,
|
|
|
554 false));
|
|
|
555 }
|
|
|
556 }
|
|
|
557 }
|
|
|
558
|
|
|
559 /**
|
|
|
560 * Registers converters to boxed and unboxed types from a list of from
|
|
|
561 * classes.
|
|
|
562 *
|
|
|
563 * @param map
|
|
|
564 * @param numberFormat
|
|
|
565 * @param fromTypes
|
|
|
566 */
|
|
|
567 private static void addNumberToDoubleConverters(Map map,
|
|
|
568 NumberFormat numberFormat, ClassInfo[] fromTypes) {
|
|
|
569 for (int i = 0; i < fromTypes.length; i++) {
|
|
|
570 ClassInfo fromType = fromTypes[i];
|
|
|
571 if (!fromType.equals(Double.classinfo) && !fromType.equalscast(Double.TYPE)) {
|
|
|
572 String fromName = (fromType.isPrimitive()) ? getKeyForClass(
|
|
|
573 fromType, null) : fromType.getName();
|
|
|
574
|
|
|
575 map.put(new Pair(fromName, DOUBLE_TYPE),
|
|
|
576 new NumberToDoubleConverter(numberFormat, fromType,
|
|
|
577 true));
|
|
|
578 map.put(new Pair(fromName, Double.classinfo.getName()),
|
|
|
579 new NumberToDoubleConverter(numberFormat, fromType,
|
|
|
580 false));
|
|
|
581 }
|
|
|
582 }
|
|
|
583 }
|
|
|
584
|
|
|
585 /**
|
|
|
586 * Registers converters to boxed and unboxed types from a list of from
|
|
|
587 * classes.
|
|
|
588 *
|
|
|
589 * @param map
|
|
|
590 * @param numberFormat
|
|
|
591 * @param fromTypes
|
|
|
592 */
|
|
|
593 private static void addNumberToBigIntegerConverters(Map map,
|
|
|
594 NumberFormat numberFormat, ClassInfo[] fromTypes) {
|
|
|
595 for (int i = 0; i < fromTypes.length; i++) {
|
|
|
596 ClassInfo fromType = fromTypes[i];
|
|
|
597 if (!fromType.equals(BigInteger.classinfo)) {
|
|
|
598 String fromName = (fromType.isPrimitive()) ? getKeyForClass(
|
|
|
599 fromType, null) : fromType.getName();
|
|
|
600
|
|
|
601 map
|
|
|
602 .put(new Pair(fromName, BigInteger.classinfo.getName()),
|
|
|
603 new NumberToBigIntegerConverter(numberFormat,
|
|
|
604 fromType));
|
|
|
605 }
|
|
|
606 }
|
|
|
607 }
|
|
|
608
|
|
|
609 /**
|
|
|
610 * Registers converters to boxed and unboxed types from a list of from
|
|
|
611 * classes.
|
|
|
612 *
|
|
|
613 * @param map
|
|
|
614 * @param numberFormat
|
|
|
615 * @param fromTypes
|
|
|
616 */
|
|
|
617 private static void addNumberToBigDecimalConverters(Map map,
|
|
|
618 NumberFormat numberFormat, ClassInfo[] fromTypes) {
|
|
|
619 for (int i = 0; i < fromTypes.length; i++) {
|
|
|
620 ClassInfo fromType = fromTypes[i];
|
|
|
621 if (!fromType.equals(BigDecimal.classinfo)) {
|
|
|
622 String fromName = (fromType.isPrimitive()) ? getKeyForClass(
|
|
|
623 fromType, null) : fromType.getName();
|
|
|
624
|
|
|
625 map
|
|
|
626 .put(new Pair(fromName, BigDecimal.classinfo.getName()),
|
|
|
627 new NumberToBigDecimalConverter(numberFormat,
|
|
|
628 fromType));
|
|
|
629 }
|
|
|
630 }
|
|
|
631 }
|
|
|
632
|
|
|
633 private static String getKeyForClass(Object originalValue,
|
|
|
634 ClassInfo filteredValue) {
|
|
|
635 if ( null !is cast(ClassInfo)originalValue ) {
|
|
|
636 ClassInfo originalClass = cast(ClassInfo) originalValue;
|
|
|
637 if (originalClass.equalscast(Integer.TYPE)) {
|
|
|
638 return INTEGER_TYPE;
|
|
|
639 } else if (originalClass.equalscast(Byte.TYPE)) {
|
|
|
640 return BYTE_TYPE;
|
|
|
641 } else if (originalClass.equalscast(Boolean.TYPE)) {
|
|
|
642 return BOOLEAN_TYPE;
|
|
|
643 } else if (originalClass.equalscast(Double.TYPE)) {
|
|
|
644 return DOUBLE_TYPE;
|
|
|
645 } else if (originalClass.equalscast(Float.TYPE)) {
|
|
|
646 return FLOAT_TYPE;
|
|
|
647 } else if (originalClass.equalscast(Long.TYPE)) {
|
|
|
648 return LONG_TYPE;
|
|
|
649 } else if (originalClass.equalscast(Short.TYPE)) {
|
|
|
650 return SHORT_TYPE;
|
|
|
651 }
|
|
|
652 }
|
|
|
653 return filteredValue.getName();
|
|
|
654 }
|
|
|
655
|
|
|
656 /**
|
|
|
657 * Returns {@link Boolean#TRUE} if the from type is assignable to the to
|
|
|
658 * type, or {@link Boolean#FALSE} if it not, or <code>null</code> if
|
|
|
659 * unknown.
|
|
|
660 *
|
|
|
661 * @param fromType
|
|
|
662 * @param toType
|
|
|
663 * @return whether fromType is assignable to toType, or <code>null</code>
|
|
|
664 * if unknown
|
|
|
665 */
|
|
|
666 protected Boolean isAssignableFromTo(Object fromType, Object toType) {
|
|
|
667 if ( null !is cast(ClassInfo )fromType && null !is cast(ClassInfo)toType ) {
|
|
|
668 ClassInfo toClass = cast(ClassInfo) toType;
|
|
|
669 if (toClass.isPrimitive()) {
|
|
|
670 toClass = autoboxed(toClass);
|
|
|
671 }
|
|
|
672 ClassInfo fromClass = cast(ClassInfo) fromType;
|
|
|
673 if (fromClass.isPrimitive()) {
|
|
|
674 fromClass = autoboxed(fromClass);
|
|
|
675 }
|
|
|
676 return toClass.isAssignableFrom(fromClass) ? Boolean.TRUE
|
|
|
677 : Boolean.FALSE;
|
|
|
678 }
|
|
|
679 return null;
|
|
|
680 }
|
|
|
681
|
|
|
682 /*
|
|
|
683 * Default converter implementation, does not perform any conversion.
|
|
|
684 */
|
|
|
685 protected static final class DefaultConverter : IConverter {
|
|
|
686
|
|
|
687 private final Object toType;
|
|
|
688
|
|
|
689 private final Object fromType;
|
|
|
690
|
|
|
691 /**
|
|
|
692 * @param fromType
|
|
|
693 * @param toType
|
|
|
694 */
|
|
|
695 this(Object fromType, Object toType) {
|
|
|
696 this.toType = toType;
|
|
|
697 this.fromType = fromType;
|
|
|
698 }
|
|
|
699
|
|
|
700 public Object convert(Object fromObject) {
|
|
|
701 return fromObject;
|
|
|
702 }
|
|
|
703
|
|
|
704 public Object getFromType() {
|
|
|
705 return fromType;
|
|
|
706 }
|
|
|
707
|
|
|
708 public Object getToType() {
|
|
|
709 return toType;
|
|
|
710 }
|
|
|
711 }
|
|
|
712
|
|
|
713 }
|
