| /******************************************************************************* |
| * Copyright (c) 2007 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Matt Carter - Bug 180392 |
| * - Character support completed (bug 197679) |
| ******************************************************************************/ |
| |
| package org.eclipse.core.databinding; |
| |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.core.databinding.conversion.IConverter; |
| import org.eclipse.core.databinding.conversion.NumberToStringConverter; |
| import org.eclipse.core.databinding.conversion.StringToNumberConverter; |
| import org.eclipse.core.databinding.util.Policy; |
| import org.eclipse.core.internal.databinding.ClassLookupSupport; |
| import org.eclipse.core.internal.databinding.Pair; |
| import org.eclipse.core.internal.databinding.conversion.CharacterToStringConverter; |
| import org.eclipse.core.internal.databinding.conversion.IdentityConverter; |
| import org.eclipse.core.internal.databinding.conversion.IntegerToStringConverter; |
| import org.eclipse.core.internal.databinding.conversion.NumberToBigDecimalConverter; |
| import org.eclipse.core.internal.databinding.conversion.NumberToBigIntegerConverter; |
| import org.eclipse.core.internal.databinding.conversion.NumberToByteConverter; |
| import org.eclipse.core.internal.databinding.conversion.NumberToDoubleConverter; |
| import org.eclipse.core.internal.databinding.conversion.NumberToFloatConverter; |
| import org.eclipse.core.internal.databinding.conversion.NumberToIntegerConverter; |
| import org.eclipse.core.internal.databinding.conversion.NumberToLongConverter; |
| import org.eclipse.core.internal.databinding.conversion.NumberToShortConverter; |
| import org.eclipse.core.internal.databinding.conversion.ObjectToStringConverter; |
| import org.eclipse.core.internal.databinding.conversion.StringToByteConverter; |
| import org.eclipse.core.internal.databinding.conversion.StringToCharacterConverter; |
| import org.eclipse.core.internal.databinding.conversion.StringToShortConverter; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| |
| import com.ibm.icu.text.NumberFormat; |
| |
| /** |
| * @since 1.0 |
| * |
| */ |
| /* package */class UpdateStrategy { |
| |
| private static final String BOOLEAN_TYPE = "java.lang.Boolean.TYPE"; //$NON-NLS-1$ |
| |
| private static final String SHORT_TYPE = "java.lang.Short.TYPE"; //$NON-NLS-1$ |
| |
| private static final String BYTE_TYPE = "java.lang.Byte.TYPE"; //$NON-NLS-1$ |
| |
| private static final String DOUBLE_TYPE = "java.lang.Double.TYPE"; //$NON-NLS-1$ |
| |
| private static final String FLOAT_TYPE = "java.lang.Float.TYPE"; //$NON-NLS-1$ |
| |
| private static final String INTEGER_TYPE = "java.lang.Integer.TYPE"; //$NON-NLS-1$ |
| |
| private static final String LONG_TYPE = "java.lang.Long.TYPE"; //$NON-NLS-1$ |
| |
| private static final String CHARACTER_TYPE = "java.lang.Character.TYPE"; //$NON-NLS-1$ |
| |
| private static Map converterMap; |
| |
| private static Class autoboxed(Class clazz) { |
| if (clazz == Float.TYPE) |
| return Float.class; |
| else if (clazz == Double.TYPE) |
| return Double.class; |
| else if (clazz == Short.TYPE) |
| return Short.class; |
| else if (clazz == Integer.TYPE) |
| return Integer.class; |
| else if (clazz == Long.TYPE) |
| return Long.class; |
| else if (clazz == Byte.TYPE) |
| return Byte.class; |
| else if (clazz == Boolean.TYPE) |
| return Boolean.class; |
| else if (clazz == Character.TYPE) |
| return Character.class; |
| return clazz; |
| } |
| |
| final protected void checkAssignable(Object toType, Object fromType, |
| String errorString) { |
| Boolean assignableFromModelToModelConverter = isAssignableFromTo( |
| fromType, toType); |
| if (assignableFromModelToModelConverter != null |
| && !assignableFromModelToModelConverter.booleanValue()) { |
| throw new BindingException(errorString |
| + " Expected: " + fromType + ", actual: " + toType); //$NON-NLS-1$//$NON-NLS-2$ |
| } |
| } |
| |
| /** |
| * Tries to create a converter that can convert from values of type |
| * fromType. Returns <code>null</code> if no converter could be created. |
| * Either toType or modelDescription can be <code>null</code>, but not |
| * both. |
| * |
| * @param fromType |
| * @param toType |
| * @return an IConverter, or <code>null</code> if unsuccessful |
| */ |
| protected IConverter createConverter(Object fromType, Object toType) { |
| if (!(fromType instanceof Class) || !(toType instanceof Class)) { |
| return new DefaultConverter(fromType, toType); |
| } |
| Class toClass = (Class) toType; |
| Class originalToClass = toClass; |
| if (toClass.isPrimitive()) { |
| toClass = autoboxed(toClass); |
| } |
| Class fromClass = (Class) fromType; |
| Class originalFromClass = fromClass; |
| if (fromClass.isPrimitive()) { |
| fromClass = autoboxed(fromClass); |
| } |
| if (!((Class) toType).isPrimitive() |
| && toClass.isAssignableFrom(fromClass)) { |
| return new IdentityConverter(originalFromClass, originalToClass); |
| } |
| if (((Class) fromType).isPrimitive() && ((Class) toType).isPrimitive() |
| && fromType.equals(toType)) { |
| return new IdentityConverter(originalFromClass, originalToClass); |
| } |
| Map converterMap = getConverterMap(); |
| Class[] supertypeHierarchyFlattened = ClassLookupSupport |
| .getTypeHierarchyFlattened(fromClass); |
| for (int i = 0; i < supertypeHierarchyFlattened.length; i++) { |
| Class currentFromClass = supertypeHierarchyFlattened[i]; |
| if (currentFromClass == toType) { |
| // converting to toType is just a widening |
| return new IdentityConverter(fromClass, toClass); |
| } |
| Pair key = new Pair(getKeyForClass(fromType, currentFromClass), |
| getKeyForClass(toType, toClass)); |
| Object converterOrClassname = converterMap.get(key); |
| if (converterOrClassname instanceof IConverter) { |
| return (IConverter) converterOrClassname; |
| } else if (converterOrClassname instanceof String) { |
| String classname = (String) converterOrClassname; |
| Class converterClass; |
| try { |
| converterClass = Class.forName(classname); |
| IConverter result = (IConverter) converterClass |
| .newInstance(); |
| converterMap.put(key, result); |
| return result; |
| } catch (Exception e) { |
| Policy |
| .getLog() |
| .log( |
| new Status( |
| IStatus.ERROR, |
| Policy.JFACE_DATABINDING, |
| 0, |
| "Error while instantiating default converter", e)); //$NON-NLS-1$ |
| } |
| } |
| } |
| // Since we found no converter yet, try a "downcast" converter; |
| // the IdentityConverter will automatically check the actual types at |
| // runtime. |
| if (fromClass.isAssignableFrom(toClass)) { |
| return new IdentityConverter(originalFromClass, originalToClass); |
| } |
| return new DefaultConverter(fromType, toType); |
| } |
| |
| private synchronized static Map getConverterMap() { |
| // using string-based lookup avoids loading of too many classes |
| if (converterMap == null) { |
| // NumberFormat to be shared across converters for the formatting of |
| // integer values |
| NumberFormat integerFormat = NumberFormat.getIntegerInstance(); |
| // NumberFormat to be shared across converters for formatting non |
| // integer values |
| NumberFormat numberFormat = NumberFormat.getNumberInstance(); |
| |
| converterMap = new HashMap(); |
| // Standard and Boxed Types |
| converterMap |
| .put( |
| new Pair("java.util.Date", "java.lang.String"), "org.eclipse.core.internal.databinding.conversion.DateToStringConverter"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| converterMap |
| .put( |
| new Pair("java.lang.String", "java.lang.Boolean"), "org.eclipse.core.internal.databinding.conversion.StringToBooleanConverter"); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$ |
| converterMap |
| .put( |
| new Pair("java.lang.String", "java.lang.Byte"), StringToByteConverter.toByte(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$ |
| converterMap |
| .put( |
| new Pair("java.lang.String", "java.util.Date"), "org.eclipse.core.internal.databinding.conversion.StringToDateConverter"); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$ |
| converterMap |
| .put( |
| new Pair("java.lang.String", "java.lang.Short"), StringToShortConverter.toShort(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$ |
| converterMap |
| .put( |
| new Pair("java.lang.String", "java.lang.Character"), StringToCharacterConverter.toCharacter(false)); //$NON-NLS-1$//$NON-NLS-2$ |
| converterMap |
| .put( |
| new Pair("java.lang.String", "java.lang.Integer"), StringToNumberConverter.toInteger(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$ |
| converterMap |
| .put( |
| new Pair("java.lang.String", "java.lang.Double"), StringToNumberConverter.toDouble(numberFormat, false)); //$NON-NLS-1$//$NON-NLS-2$ |
| converterMap |
| .put( |
| new Pair("java.lang.String", "java.lang.Long"), StringToNumberConverter.toLong(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$ |
| converterMap |
| .put( |
| new Pair("java.lang.String", "java.lang.Float"), StringToNumberConverter.toFloat(numberFormat, false)); //$NON-NLS-1$//$NON-NLS-2$ |
| converterMap |
| .put( |
| new Pair("java.lang.String", "java.math.BigInteger"), StringToNumberConverter.toBigInteger(integerFormat)); //$NON-NLS-1$//$NON-NLS-2$ |
| converterMap |
| .put( |
| new Pair("java.lang.Integer", "java.lang.String"), NumberToStringConverter.fromInteger(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$ |
| converterMap |
| .put( |
| new Pair("java.lang.Long", "java.lang.String"), NumberToStringConverter.fromLong(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$ |
| converterMap |
| .put( |
| new Pair("java.lang.Double", "java.lang.String"), NumberToStringConverter.fromDouble(numberFormat, false)); //$NON-NLS-1$//$NON-NLS-2$ |
| converterMap |
| .put( |
| new Pair("java.lang.Float", "java.lang.String"), NumberToStringConverter.fromFloat(numberFormat, false)); //$NON-NLS-1$//$NON-NLS-2$ |
| converterMap |
| .put( |
| new Pair("java.math.BigInteger", "java.lang.String"), NumberToStringConverter.fromBigInteger(integerFormat)); //$NON-NLS-1$//$NON-NLS-2$ |
| converterMap |
| .put( |
| new Pair("java.lang.Byte", "java.lang.String"), IntegerToStringConverter.fromByte(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$ |
| converterMap |
| .put( |
| new Pair("java.lang.Short", "java.lang.String"), IntegerToStringConverter.fromShort(integerFormat, false)); //$NON-NLS-1$//$NON-NLS-2$ |
| converterMap |
| .put( |
| new Pair("java.lang.Character", "java.lang.String"), CharacterToStringConverter.fromCharacter(false)); //$NON-NLS-1$//$NON-NLS-2$ |
| |
| converterMap |
| .put( |
| new Pair("java.lang.Object", "java.lang.String"), "org.eclipse.core.internal.databinding.conversion.ObjectToStringConverter"); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$ |
| |
| // Integer.TYPE |
| converterMap |
| .put( |
| new Pair("java.lang.String", INTEGER_TYPE), StringToNumberConverter.toInteger(integerFormat, true)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(INTEGER_TYPE, "java.lang.Integer"), new IdentityConverter(Integer.TYPE, Integer.class)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(INTEGER_TYPE, "java.lang.Object"), new IdentityConverter(Integer.TYPE, Object.class)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(INTEGER_TYPE, "java.lang.String"), NumberToStringConverter.fromInteger(integerFormat, true)); //$NON-NLS-1$ |
| |
| // Byte.TYPE |
| converterMap |
| .put( |
| new Pair("java.lang.String", BYTE_TYPE), StringToByteConverter.toByte(integerFormat, true)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(BYTE_TYPE, "java.lang.Byte"), new IdentityConverter(Byte.TYPE, Byte.class)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(BYTE_TYPE, "java.lang.String"), IntegerToStringConverter.fromByte(integerFormat, true)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(BYTE_TYPE, "java.lang.Object"), new IdentityConverter(Byte.TYPE, Object.class)); //$NON-NLS-1$ |
| |
| // Double.TYPE |
| converterMap |
| .put( |
| new Pair("java.lang.String", DOUBLE_TYPE), StringToNumberConverter.toDouble(numberFormat, true)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(DOUBLE_TYPE, "java.lang.String"), NumberToStringConverter.fromDouble(numberFormat, true)); //$NON-NLS-1$ |
| |
| converterMap |
| .put( |
| new Pair(DOUBLE_TYPE, "java.lang.Double"), new IdentityConverter(Double.TYPE, Double.class)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(DOUBLE_TYPE, "java.lang.Object"), new IdentityConverter(Double.TYPE, Object.class)); //$NON-NLS-1$ |
| |
| // Boolean.TYPE |
| converterMap |
| .put( |
| new Pair("java.lang.String", BOOLEAN_TYPE), "org.eclipse.core.internal.databinding.conversion.StringToBooleanPrimitiveConverter"); //$NON-NLS-1$ //$NON-NLS-2$ |
| converterMap |
| .put( |
| new Pair(BOOLEAN_TYPE, "java.lang.Boolean"), new IdentityConverter(Boolean.TYPE, Boolean.class)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(BOOLEAN_TYPE, "java.lang.String"), new ObjectToStringConverter(Boolean.TYPE)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(BOOLEAN_TYPE, "java.lang.Object"), new IdentityConverter(Boolean.TYPE, Object.class)); //$NON-NLS-1$ |
| |
| // Float.TYPE |
| converterMap |
| .put( |
| new Pair("java.lang.String", FLOAT_TYPE), StringToNumberConverter.toFloat(numberFormat, true)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(FLOAT_TYPE, "java.lang.String"), NumberToStringConverter.fromFloat(numberFormat, true)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(FLOAT_TYPE, "java.lang.Float"), new IdentityConverter(Float.TYPE, Float.class)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(FLOAT_TYPE, "java.lang.Object"), new IdentityConverter(Float.TYPE, Object.class)); //$NON-NLS-1$ |
| |
| // Short.TYPE |
| converterMap |
| .put( |
| new Pair("java.lang.String", SHORT_TYPE), StringToShortConverter.toShort(integerFormat, true)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(SHORT_TYPE, "java.lang.Short"), new IdentityConverter(Short.TYPE, Short.class)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(SHORT_TYPE, "java.lang.String"), IntegerToStringConverter.fromShort(integerFormat, true)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(SHORT_TYPE, "java.lang.Object"), new IdentityConverter(Short.TYPE, Object.class)); //$NON-NLS-1$ |
| |
| // Long.TYPE |
| converterMap |
| .put( |
| new Pair("java.lang.String", LONG_TYPE), StringToNumberConverter.toLong(integerFormat, true)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(LONG_TYPE, "java.lang.String"), NumberToStringConverter.fromLong(integerFormat, true)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(LONG_TYPE, "java.lang.Long"), new IdentityConverter(Long.TYPE, Long.class)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(LONG_TYPE, "java.lang.Object"), new IdentityConverter(Long.TYPE, Object.class)); //$NON-NLS-1$ |
| |
| // Character.TYPE |
| converterMap |
| .put( |
| new Pair("java.lang.String", CHARACTER_TYPE), StringToCharacterConverter.toCharacter(true)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(CHARACTER_TYPE, "java.lang.Character"), new IdentityConverter(Character.TYPE, Character.class)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(CHARACTER_TYPE, "java.lang.String"), CharacterToStringConverter.fromCharacter(true)); //$NON-NLS-1$ |
| converterMap |
| .put( |
| new Pair(CHARACTER_TYPE, "java.lang.Object"), new IdentityConverter(Character.TYPE, Object.class)); //$NON-NLS-1$ |
| |
| // Miscellaneous |
| converterMap |
| .put( |
| new Pair( |
| "org.eclipse.core.runtime.IStatus", "java.lang.String"), "org.eclipse.core.internal.databinding.conversion.StatusToStringConverter"); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$ |
| |
| addNumberToByteConverters(converterMap, integerFormat, |
| integerClasses); |
| addNumberToByteConverters(converterMap, numberFormat, floatClasses); |
| |
| addNumberToShortConverters(converterMap, integerFormat, |
| integerClasses); |
| addNumberToShortConverters(converterMap, numberFormat, floatClasses); |
| |
| addNumberToIntegerConverters(converterMap, integerFormat, |
| integerClasses); |
| addNumberToIntegerConverters(converterMap, numberFormat, |
| floatClasses); |
| |
| addNumberToLongConverters(converterMap, integerFormat, |
| integerClasses); |
| addNumberToLongConverters(converterMap, numberFormat, floatClasses); |
| |
| addNumberToFloatConverters(converterMap, integerFormat, |
| integerClasses); |
| addNumberToFloatConverters(converterMap, numberFormat, floatClasses); |
| |
| addNumberToDoubleConverters(converterMap, integerFormat, |
| integerClasses); |
| addNumberToDoubleConverters(converterMap, numberFormat, |
| floatClasses); |
| |
| addNumberToBigIntegerConverters(converterMap, integerFormat, |
| integerClasses); |
| addNumberToBigIntegerConverters(converterMap, numberFormat, |
| floatClasses); |
| |
| addNumberToBigDecimalConverters(converterMap, integerFormat, |
| integerClasses); |
| addNumberToBigDecimalConverters(converterMap, numberFormat, |
| floatClasses); |
| } |
| |
| return converterMap; |
| } |
| |
| private static final Class[] integerClasses = new Class[] { Byte.TYPE, |
| Byte.class, Short.TYPE, Short.class, Integer.TYPE, Integer.class, |
| Long.TYPE, Long.class, BigInteger.class }; |
| |
| private static final Class[] floatClasses = new Class[] { Float.TYPE, |
| Float.class, Double.TYPE, Double.class, BigDecimal.class }; |
| |
| /** |
| * Registers converters to boxed and unboxed types from a list of from |
| * classes. |
| * |
| * @param map |
| * @param numberFormat |
| * @param fromTypes |
| */ |
| private static void addNumberToByteConverters(Map map, |
| NumberFormat numberFormat, Class[] fromTypes) { |
| |
| for (int i = 0; i < fromTypes.length; i++) { |
| Class fromType = fromTypes[i]; |
| if (!fromType.equals(Byte.class) && !fromType.equals(Byte.TYPE)) { |
| String fromName = (fromType.isPrimitive()) ? getKeyForClass( |
| fromType, null) : fromType.getName(); |
| |
| map |
| .put(new Pair(fromName, BYTE_TYPE), |
| new NumberToByteConverter(numberFormat, |
| fromType, true)); |
| map |
| .put(new Pair(fromName, Byte.class.getName()), |
| new NumberToByteConverter(numberFormat, |
| fromType, false)); |
| } |
| } |
| } |
| |
| /** |
| * Registers converters to boxed and unboxed types from a list of from |
| * classes. |
| * |
| * @param map |
| * @param numberFormat |
| * @param fromTypes |
| */ |
| private static void addNumberToShortConverters(Map map, |
| NumberFormat numberFormat, Class[] fromTypes) { |
| for (int i = 0; i < fromTypes.length; i++) { |
| Class fromType = fromTypes[i]; |
| if (!fromType.equals(Short.class) && !fromType.equals(Short.TYPE)) { |
| String fromName = (fromType.isPrimitive()) ? getKeyForClass( |
| fromType, null) : fromType.getName(); |
| |
| map |
| .put(new Pair(fromName, SHORT_TYPE), |
| new NumberToShortConverter(numberFormat, |
| fromType, true)); |
| map.put(new Pair(fromName, Short.class.getName()), |
| new NumberToShortConverter(numberFormat, fromType, |
| false)); |
| } |
| } |
| } |
| |
| /** |
| * Registers converters to boxed and unboxed types from a list of from |
| * classes. |
| * |
| * @param map |
| * @param numberFormat |
| * @param fromTypes |
| */ |
| private static void addNumberToIntegerConverters(Map map, |
| NumberFormat numberFormat, Class[] fromTypes) { |
| for (int i = 0; i < fromTypes.length; i++) { |
| Class fromType = fromTypes[i]; |
| if (!fromType.equals(Integer.class) |
| && !fromType.equals(Integer.TYPE)) { |
| String fromName = (fromType.isPrimitive()) ? getKeyForClass( |
| fromType, null) : fromType.getName(); |
| |
| map.put(new Pair(fromName, INTEGER_TYPE), |
| new NumberToIntegerConverter(numberFormat, fromType, |
| true)); |
| map.put(new Pair(fromName, Integer.class.getName()), |
| new NumberToIntegerConverter(numberFormat, fromType, |
| false)); |
| } |
| } |
| } |
| |
| /** |
| * Registers converters to boxed and unboxed types from a list of from |
| * classes. |
| * |
| * @param map |
| * @param numberFormat |
| * @param fromTypes |
| */ |
| private static void addNumberToLongConverters(Map map, |
| NumberFormat numberFormat, Class[] fromTypes) { |
| for (int i = 0; i < fromTypes.length; i++) { |
| Class fromType = fromTypes[i]; |
| if (!fromType.equals(Long.class) && !fromType.equals(Long.TYPE)) { |
| String fromName = (fromType.isPrimitive()) ? getKeyForClass( |
| fromType, null) : fromType.getName(); |
| |
| map |
| .put(new Pair(fromName, LONG_TYPE), |
| new NumberToLongConverter(numberFormat, |
| fromType, true)); |
| map |
| .put(new Pair(fromName, Long.class.getName()), |
| new NumberToLongConverter(numberFormat, |
| fromType, false)); |
| } |
| } |
| } |
| |
| /** |
| * Registers converters to boxed and unboxed types from a list of from |
| * classes. |
| * |
| * @param map |
| * @param numberFormat |
| * @param fromTypes |
| */ |
| private static void addNumberToFloatConverters(Map map, |
| NumberFormat numberFormat, Class[] fromTypes) { |
| for (int i = 0; i < fromTypes.length; i++) { |
| Class fromType = fromTypes[i]; |
| if (!fromType.equals(Float.class) && !fromType.equals(Float.TYPE)) { |
| String fromName = (fromType.isPrimitive()) ? getKeyForClass( |
| fromType, null) : fromType.getName(); |
| |
| map |
| .put(new Pair(fromName, FLOAT_TYPE), |
| new NumberToFloatConverter(numberFormat, |
| fromType, true)); |
| map.put(new Pair(fromName, Float.class.getName()), |
| new NumberToFloatConverter(numberFormat, fromType, |
| false)); |
| } |
| } |
| } |
| |
| /** |
| * Registers converters to boxed and unboxed types from a list of from |
| * classes. |
| * |
| * @param map |
| * @param numberFormat |
| * @param fromTypes |
| */ |
| private static void addNumberToDoubleConverters(Map map, |
| NumberFormat numberFormat, Class[] fromTypes) { |
| for (int i = 0; i < fromTypes.length; i++) { |
| Class fromType = fromTypes[i]; |
| if (!fromType.equals(Double.class) && !fromType.equals(Double.TYPE)) { |
| String fromName = (fromType.isPrimitive()) ? getKeyForClass( |
| fromType, null) : fromType.getName(); |
| |
| map.put(new Pair(fromName, DOUBLE_TYPE), |
| new NumberToDoubleConverter(numberFormat, fromType, |
| true)); |
| map.put(new Pair(fromName, Double.class.getName()), |
| new NumberToDoubleConverter(numberFormat, fromType, |
| false)); |
| } |
| } |
| } |
| |
| /** |
| * Registers converters to boxed and unboxed types from a list of from |
| * classes. |
| * |
| * @param map |
| * @param numberFormat |
| * @param fromTypes |
| */ |
| private static void addNumberToBigIntegerConverters(Map map, |
| NumberFormat numberFormat, Class[] fromTypes) { |
| for (int i = 0; i < fromTypes.length; i++) { |
| Class fromType = fromTypes[i]; |
| if (!fromType.equals(BigInteger.class)) { |
| String fromName = (fromType.isPrimitive()) ? getKeyForClass( |
| fromType, null) : fromType.getName(); |
| |
| map |
| .put(new Pair(fromName, BigInteger.class.getName()), |
| new NumberToBigIntegerConverter(numberFormat, |
| fromType)); |
| } |
| } |
| } |
| |
| /** |
| * Registers converters to boxed and unboxed types from a list of from |
| * classes. |
| * |
| * @param map |
| * @param numberFormat |
| * @param fromTypes |
| */ |
| private static void addNumberToBigDecimalConverters(Map map, |
| NumberFormat numberFormat, Class[] fromTypes) { |
| for (int i = 0; i < fromTypes.length; i++) { |
| Class fromType = fromTypes[i]; |
| if (!fromType.equals(BigDecimal.class)) { |
| String fromName = (fromType.isPrimitive()) ? getKeyForClass( |
| fromType, null) : fromType.getName(); |
| |
| map |
| .put(new Pair(fromName, BigDecimal.class.getName()), |
| new NumberToBigDecimalConverter(numberFormat, |
| fromType)); |
| } |
| } |
| } |
| |
| private static String getKeyForClass(Object originalValue, |
| Class filteredValue) { |
| if (originalValue instanceof Class) { |
| Class originalClass = (Class) originalValue; |
| if (originalClass.equals(Integer.TYPE)) { |
| return INTEGER_TYPE; |
| } else if (originalClass.equals(Byte.TYPE)) { |
| return BYTE_TYPE; |
| } else if (originalClass.equals(Boolean.TYPE)) { |
| return BOOLEAN_TYPE; |
| } else if (originalClass.equals(Double.TYPE)) { |
| return DOUBLE_TYPE; |
| } else if (originalClass.equals(Float.TYPE)) { |
| return FLOAT_TYPE; |
| } else if (originalClass.equals(Long.TYPE)) { |
| return LONG_TYPE; |
| } else if (originalClass.equals(Short.TYPE)) { |
| return SHORT_TYPE; |
| } |
| } |
| return filteredValue.getName(); |
| } |
| |
| /** |
| * Returns {@link Boolean#TRUE} if the from type is assignable to the to |
| * type, or {@link Boolean#FALSE} if it not, or <code>null</code> if |
| * unknown. |
| * |
| * @param fromType |
| * @param toType |
| * @return whether fromType is assignable to toType, or <code>null</code> |
| * if unknown |
| */ |
| protected Boolean isAssignableFromTo(Object fromType, Object toType) { |
| if (fromType instanceof Class && toType instanceof Class) { |
| Class toClass = (Class) toType; |
| if (toClass.isPrimitive()) { |
| toClass = autoboxed(toClass); |
| } |
| Class fromClass = (Class) fromType; |
| if (fromClass.isPrimitive()) { |
| fromClass = autoboxed(fromClass); |
| } |
| return toClass.isAssignableFrom(fromClass) ? Boolean.TRUE |
| : Boolean.FALSE; |
| } |
| return null; |
| } |
| |
| /* |
| * Default converter implementation, does not perform any conversion. |
| */ |
| protected static final class DefaultConverter implements IConverter { |
| |
| private final Object toType; |
| |
| private final Object fromType; |
| |
| /** |
| * @param fromType |
| * @param toType |
| */ |
| DefaultConverter(Object fromType, Object toType) { |
| this.toType = toType; |
| this.fromType = fromType; |
| } |
| |
| public Object convert(Object fromObject) { |
| return fromObject; |
| } |
| |
| public Object getFromType() { |
| return fromType; |
| } |
| |
| public Object getToType() { |
| return toType; |
| } |
| } |
| |
| } |
