提交 6f74369c 编写于 作者: K Keith Donald

polish

上级 acf17381
......@@ -32,12 +32,12 @@ import org.springframework.util.Assert;
* @author Keith Donald
* @author Andy Clement
*/
public class TypeDescriptor<T> {
public class BindingPoint<T> {
/**
* Constant value typeDescriptor for the type of a null value
*/
public final static TypeDescriptor NULL_TYPE_DESCRIPTOR = new TypeDescriptor((Class<?>) null);
public final static BindingPoint NULL_TYPE_DESCRIPTOR = new BindingPoint((Class<?>) null);
private MethodParameter methodParameter;
......@@ -52,7 +52,7 @@ public class TypeDescriptor<T> {
* a Map or collection, where no additional binding metadata is available.
* @param type the actual type
*/
public TypeDescriptor(Class<?> type) {
public BindingPoint(Class<?> type) {
this.type = type;
}
......@@ -61,7 +61,7 @@ public class TypeDescriptor<T> {
* from a method parameter, such as a setter method argument.
* @param methodParameter the MethodParameter to wrap
*/
public TypeDescriptor(MethodParameter methodParameter) {
public BindingPoint(MethodParameter methodParameter) {
Assert.notNull(methodParameter, "MethodParameter must not be null");
this.methodParameter = methodParameter;
}
......@@ -70,7 +70,7 @@ public class TypeDescriptor<T> {
* Create a new descriptor for a field. Use this constructor when a bound value originates from a field.
* @param field the field to wrap
*/
public TypeDescriptor(Field field) {
public BindingPoint(Field field) {
Assert.notNull(field, "Field must not be null");
this.field = field;
}
......@@ -248,7 +248,7 @@ public class TypeDescriptor<T> {
* @param targetType the target type
* @return true if this type is assignable to the target
*/
public boolean isAssignableTo(TypeDescriptor targetType) {
public boolean isAssignableTo(BindingPoint targetType) {
return targetType.getType().isAssignableFrom(getType());
}
......@@ -257,9 +257,9 @@ public class TypeDescriptor<T> {
* @param type the class
* @return the type descriptor
*/
public static TypeDescriptor valueOf(Class<? extends Object> type) {
public static <T> BindingPoint<T> valueOf(Class<T> type) {
// TODO needs a cache for common type descriptors
return new TypeDescriptor(type);
return new BindingPoint<T>(type);
}
/**
......@@ -267,7 +267,7 @@ public class TypeDescriptor<T> {
* @param object the object
* @return the type descriptor
*/
public static TypeDescriptor forObject(Object object) {
public static BindingPoint forObject(Object object) {
if (object == null) {
return NULL_TYPE_DESCRIPTOR;
} else {
......
......@@ -22,7 +22,7 @@ import org.springframework.core.style.StylerUtils;
*
* @author Keith Donald
*/
public class ConversionException extends ConvertException {
public class ConversionFailedException extends ConvertException {
private transient Object value;
......@@ -37,7 +37,7 @@ public class ConversionException extends ConvertException {
* @param targetType the value's target type
* @param cause the cause of the conversion failure
*/
public ConversionException(Object value, Class<?> sourceType, Class<?> targetType, Throwable cause) {
public ConversionFailedException(Object value, Class<?> sourceType, Class<?> targetType, Throwable cause) {
super(defaultMessage(value, sourceType, targetType, cause), cause);
this.value = value;
this.sourceType = sourceType;
......@@ -51,7 +51,7 @@ public class ConversionException extends ConvertException {
* @param targetType the value's target type
* @param message a descriptive message of what went wrong.
*/
public ConversionException(Object value, Class<?> sourceType, Class<?> targetType, String message) {
public ConversionFailedException(Object value, Class<?> sourceType, Class<?> targetType, String message) {
super(message);
this.value = value;
this.sourceType = sourceType;
......
......@@ -18,7 +18,7 @@ package org.springframework.core.convert;
/**
* A service interface for type conversion. This is the entry point into the convert system.
* <p>
* Call {@link #convert(Object, TypeDescriptor)} to perform a thread-safe type conversion using
* Call {@link #convert(Object, Class)} to perform a thread-safe type conversion using
* this system.
*
* @author Keith Donald
......@@ -28,19 +28,35 @@ public interface TypeConverter {
/**
* Returns true if objects of sourceType can be converted to targetType.
* @param source the source to convert from (may be null)
* @param targetType context about the target type to convert to
* @param targetType the target type to convert to
* @return true if a conversion can be performed, false if not
*/
boolean canConvert(Class<?> sourceType, TypeDescriptor<?> targetType);
boolean canConvert(Class<?> sourceType, Class<?> targetType);
/**
* Returns true if objects of sourceType can be converted to the type of the binding point.
* @param source the source to convert from (may be null)
* @param point context about the target type to convert to
* @return true if a conversion can be performed, false if not
*/
boolean canConvert(Class<?> sourceType, BindingPoint<?> point);
/**
* Convert the source to targetType.
* @param source the source to convert from (may be null)
* @param targetType context about the target type to convert to
* @return the converted object, an instance of {@link TypeDescriptor#getType()}</code>, or <code>null</code> if a null source
* was provided
* @param targetType the target type to convert to
* @return the converted object, an instance of targetType, or <code>null</code> if a null source was provided
* @throws ConvertException if an exception occurred
*/
<S, T> T convert(S source, Class<T> targetType);
/**
* Convert the source to type T needed by the binding point.
* @param source the source to convert from (may be null)
* @param point a binding point where a conversion is required
* @return the converted object, an instance of {@link BindingPoint#getType()}</code>, or <code>null</code> if a null source was provided
* @throws ConvertException if an exception occurred
*/
<S, T> T convert(S source, TypeDescriptor<T> targetType);
<S, T> T convert(S source, BindingPoint<T> point);
}
\ No newline at end of file
package org.springframework.core.convert.converter;
public interface ConverterRegistry {
void addConverter(Converter<?, ?> converter);
void addConverterFactory(ConverterFactory<?, ?> converter);
void removeConverter(Converter<?, ?> converter);
void removeConverterFactory(Converter<?, ?> converter);
}
\ No newline at end of file
......@@ -15,8 +15,8 @@
*/
package org.springframework.core.convert.support;
import org.springframework.core.convert.ConversionException;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.ConversionFailedException;
import org.springframework.core.convert.BindingPoint;
/**
* Base class for converters that convert to and from collection types (arrays and java.util.Collection types)
......@@ -24,22 +24,22 @@ import org.springframework.core.convert.TypeDescriptor;
*/
abstract class AbstractCollectionConverter implements ConversionExecutor {
private GenericConversionService conversionService;
private GenericTypeConverter conversionService;
private ConversionExecutor elementConverter;
private TypeDescriptor sourceCollectionType;
private BindingPoint sourceCollectionType;
private TypeDescriptor targetCollectionType;
private BindingPoint targetCollectionType;
public AbstractCollectionConverter(TypeDescriptor sourceCollectionType, TypeDescriptor targetCollectionType, GenericConversionService conversionService) {
public AbstractCollectionConverter(BindingPoint sourceCollectionType, BindingPoint targetCollectionType, GenericTypeConverter conversionService) {
this.conversionService = conversionService;
this.sourceCollectionType = sourceCollectionType;
this.targetCollectionType = targetCollectionType;
Class<?> sourceElementType = sourceCollectionType.getElementType();
Class<?> targetElementType = targetCollectionType.getElementType();
if (sourceElementType != null && targetElementType != null) {
elementConverter = conversionService.getConversionExecutor(sourceElementType, TypeDescriptor.valueOf(targetElementType));
elementConverter = conversionService.getConversionExecutor(sourceElementType, BindingPoint.valueOf(targetElementType));
} else {
elementConverter = NoOpConversionExecutor.INSTANCE;
}
......@@ -59,7 +59,7 @@ abstract class AbstractCollectionConverter implements ConversionExecutor {
return targetCollectionType.getElementType();
}
protected GenericConversionService getConversionService() {
protected GenericTypeConverter getConversionService() {
return conversionService;
}
......@@ -75,7 +75,7 @@ abstract class AbstractCollectionConverter implements ConversionExecutor {
try {
return doExecute(source);
} catch (Exception e) {
throw new ConversionException(source, sourceCollectionType.getType(), targetCollectionType.getType(), e);
throw new ConversionFailedException(source, sourceCollectionType.getType(), targetCollectionType.getType(), e);
}
}
......
......@@ -18,7 +18,7 @@ package org.springframework.core.convert.support;
import java.lang.reflect.Array;
import org.springframework.core.convert.TypeConverter;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.BindingPoint;
/**
* Special one-way converter that converts from a source array to a target array. Supports type conversion of the
......@@ -29,7 +29,7 @@ import org.springframework.core.convert.TypeDescriptor;
*/
class ArrayToArray extends AbstractCollectionConverter {
public ArrayToArray(TypeDescriptor sourceArrayType, TypeDescriptor targetArrayType, GenericConversionService conversionService) {
public ArrayToArray(BindingPoint sourceArrayType, BindingPoint targetArrayType, GenericTypeConverter conversionService) {
super(sourceArrayType, targetArrayType, conversionService);
}
......
......@@ -18,7 +18,7 @@ package org.springframework.core.convert.support;
import java.lang.reflect.Array;
import java.util.Collection;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.BindingPoint;
/**
* Special converter that converts from a source array to a target collection. Supports the selection of an
......@@ -29,8 +29,8 @@ import org.springframework.core.convert.TypeDescriptor;
*/
class ArrayToCollection extends AbstractCollectionConverter {
public ArrayToCollection(TypeDescriptor sourceArrayType, TypeDescriptor targetCollectionType,
GenericConversionService conversionService) {
public ArrayToCollection(BindingPoint sourceArrayType, BindingPoint targetCollectionType,
GenericTypeConverter conversionService) {
super(sourceArrayType, targetCollectionType, conversionService);
}
......
......@@ -19,7 +19,7 @@ import java.lang.reflect.Array;
import java.util.Collection;
import java.util.Iterator;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.BindingPoint;
/**
* Special converter that converts from target collection to a source array.
......@@ -28,8 +28,8 @@ import org.springframework.core.convert.TypeDescriptor;
*/
class CollectionToArray extends AbstractCollectionConverter {
public CollectionToArray(TypeDescriptor sourceArrayType, TypeDescriptor targetCollectionType,
GenericConversionService conversionService) {
public CollectionToArray(BindingPoint sourceArrayType, BindingPoint targetCollectionType,
GenericTypeConverter conversionService) {
super(sourceArrayType, targetCollectionType, conversionService);
}
......@@ -52,7 +52,7 @@ class CollectionToArray extends AbstractCollectionConverter {
while (it.hasNext()) {
Object value = it.next();
if (value != null) {
elementConverter = getConversionService().getConversionExecutor(value.getClass(), TypeDescriptor.valueOf(getTargetElementType()));
elementConverter = getConversionService().getConversionExecutor(value.getClass(), BindingPoint.valueOf(getTargetElementType()));
break;
}
}
......
......@@ -18,7 +18,7 @@ package org.springframework.core.convert.support;
import java.util.Collection;
import java.util.Iterator;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.BindingPoint;
/**
* A converter that can convert from one collection type to another.
......@@ -27,8 +27,8 @@ import org.springframework.core.convert.TypeDescriptor;
*/
class CollectionToCollection extends AbstractCollectionConverter {
public CollectionToCollection(TypeDescriptor sourceCollectionType, TypeDescriptor targetCollectionType,
GenericConversionService conversionService) {
public CollectionToCollection(BindingPoint sourceCollectionType, BindingPoint targetCollectionType,
GenericTypeConverter conversionService) {
super(sourceCollectionType, targetCollectionType, conversionService);
}
......@@ -53,7 +53,7 @@ class CollectionToCollection extends AbstractCollectionConverter {
while (it.hasNext()) {
Object value = it.next();
if (value != null) {
elementConverter = getConversionService().getConversionExecutor(value.getClass(), TypeDescriptor.valueOf(getTargetElementType()));
elementConverter = getConversionService().getConversionExecutor(value.getClass(), BindingPoint.valueOf(getTargetElementType()));
break;
}
}
......
......@@ -15,7 +15,7 @@
*/
package org.springframework.core.convert.support;
import org.springframework.core.convert.ConversionException;
import org.springframework.core.convert.ConversionFailedException;
/**
* A command parameterized with the information necessary to perform a conversion of a source input to a
......@@ -29,7 +29,7 @@ public interface ConversionExecutor {
/**
* Convert the source.
* @param source the source to convert
* @throws ConversionException if an exception occurs during type conversion
* @throws ConversionFailedException if an exception occurs during type conversion
*/
public Object execute(Object source);
......
......@@ -15,7 +15,6 @@
*/
package org.springframework.core.convert.support;
import org.springframework.core.convert.support.StringToEnumFactory.StringToEnum;
/**
* Default implementation of a conversion service. Will automatically register <i>from string</i> converters for
......@@ -23,12 +22,12 @@ import org.springframework.core.convert.support.StringToEnumFactory.StringToEnum
*
* @author Keith Donald
*/
public class DefaultConversionService extends GenericConversionService {
public class DefaultTypeConverter extends GenericTypeConverter {
/**
* Creates a new default conversion service, installing the default converters.
*/
public DefaultConversionService() {
public DefaultTypeConverter() {
addDefaultConverters();
}
......@@ -49,6 +48,9 @@ public class DefaultConversionService extends GenericConversionService {
addConverter(new StringToLocale());
addConverter(new NumberToCharacter());
addConverter(new ObjectToString());
addConverterFactory(new StringToEnumFactory());
addConverterFactory(new NumberToNumberFactory());
addConverterFactory(new CharacterToNumberFactory());
}
}
\ No newline at end of file
......@@ -28,9 +28,11 @@ import java.util.Map;
import org.springframework.core.GenericTypeResolver;
import org.springframework.core.convert.ConverterNotFoundException;
import org.springframework.core.convert.TypeConverter;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.BindingPoint;
import org.springframework.core.convert.converter.Converter;
import org.springframework.core.convert.converter.ConverterFactory;
import org.springframework.core.convert.converter.ConverterInfo;
import org.springframework.core.convert.converter.ConverterRegistry;
import org.springframework.util.Assert;
/**
......@@ -43,7 +45,7 @@ import org.springframework.util.Assert;
* @author Keith Donald
*/
@SuppressWarnings("unchecked")
public class GenericConversionService implements TypeConverter {
public class GenericTypeConverter implements TypeConverter, ConverterRegistry {
/**
* An indexed map of Converters. Each Map.Entry key is a source class (S) that can be converted from. Each Map.Entry
......@@ -83,9 +85,23 @@ public class GenericConversionService implements TypeConverter {
sourceMap.put(targetType, converter);
}
public void addConverterFactory(ConverterFactory<?, ?> converter) {
}
public void removeConverter(Converter<?, ?> converter) {
}
public void removeConverterFactory(Converter<?, ?> converter) {
}
// implementing ConversionService
public boolean canConvert(Class<?> sourceType, TypeDescriptor<?> targetType) {
public boolean canConvert(Class<?> sourceType, Class<?> targetType) {
return canConvert(sourceType, BindingPoint.valueOf(targetType));
}
public boolean canConvert(Class<?> sourceType, BindingPoint<?> targetType) {
ConversionExecutor executor = getConversionExecutor(sourceType, targetType);
if (executor != null) {
return true;
......@@ -98,16 +114,20 @@ public class GenericConversionService implements TypeConverter {
}
}
public Object convert(Object source, TypeDescriptor targetType) {
public <S, T> T convert(S source, Class<T> targetType) {
return convert(source, BindingPoint.valueOf(targetType));
}
public <S, T> T convert(S source, BindingPoint<T> targetType) {
if (source == null) {
return null;
}
if (source.getClass().isAssignableFrom(targetType.getType())) {
return source;
return (T) source;
}
ConversionExecutor executor = getConversionExecutor(source.getClass(), targetType);
if (executor != null) {
return executor.execute(source);
return (T) executor.execute(source);
} else {
if (parent != null) {
return parent.convert(source, targetType);
......@@ -119,11 +139,11 @@ public class GenericConversionService implements TypeConverter {
}
}
ConversionExecutor getConversionExecutor(Class sourceClass, TypeDescriptor targetType)
ConversionExecutor getConversionExecutor(Class sourceClass, BindingPoint targetType)
throws ConverterNotFoundException {
Assert.notNull(sourceClass, "The sourceType to convert from is required");
Assert.notNull(targetType, "The targetType to convert to is required");
TypeDescriptor sourceType = TypeDescriptor.valueOf(sourceClass);
BindingPoint sourceType = BindingPoint.valueOf(sourceClass);
if (sourceType.isArray()) {
if (targetType.isArray()) {
return new ArrayToArray(sourceType, targetType, this);
......
......@@ -21,20 +21,21 @@ import java.util.Map;
import java.util.SortedMap;
import java.util.TreeMap;
import org.springframework.core.convert.ConversionException;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.ConversionFailedException;
import org.springframework.core.convert.BindingPoint;
/**
* Converts from one map to another map, with support for converting individual map elements based on generic type information.
* @author Keith Donald
*/
@SuppressWarnings("unchecked")
class MapToMap implements ConversionExecutor {
private TypeDescriptor sourceType;
private BindingPoint sourceType;
private TypeDescriptor targetType;
private BindingPoint targetType;
private GenericConversionService conversionService;
private GenericTypeConverter conversionService;
private EntryConverter entryConverter;
......@@ -44,7 +45,7 @@ class MapToMap implements ConversionExecutor {
* @param targetType the target map type
* @param conversionService the conversion service
*/
public MapToMap(TypeDescriptor sourceType, TypeDescriptor targetType, GenericConversionService conversionService) {
public MapToMap(BindingPoint sourceType, BindingPoint targetType, GenericTypeConverter conversionService) {
this.sourceType = sourceType;
this.targetType = targetType;
this.conversionService = conversionService;
......@@ -54,17 +55,16 @@ class MapToMap implements ConversionExecutor {
private EntryConverter createEntryConverter() {
if (sourceType.isMapEntryTypeKnown() && targetType.isMapEntryTypeKnown()) {
ConversionExecutor keyConverter = conversionService.getConversionExecutor(sourceType.getMapKeyType(),
TypeDescriptor.valueOf(targetType.getMapKeyType()));
BindingPoint.valueOf(targetType.getMapKeyType()));
ConversionExecutor valueConverter = conversionService.getConversionExecutor(sourceType.getMapValueType(),
TypeDescriptor.valueOf(targetType.getMapValueType()));
BindingPoint.valueOf(targetType.getMapValueType()));
return new EntryConverter(keyConverter, valueConverter);
} else {
return EntryConverter.NO_OP_INSTANCE;
}
}
@SuppressWarnings("unchecked")
public Object execute(Object source) throws ConversionException {
public Object execute(Object source) throws ConversionFailedException {
try {
Map map = (Map) source;
Map targetMap = (Map) getImpl(targetType.getType()).newInstance();
......@@ -76,7 +76,7 @@ class MapToMap implements ConversionExecutor {
}
return targetMap;
} catch (Exception e) {
throw new ConversionException(source, sourceType.getType(), targetType.getType(), e);
throw new ConversionFailedException(source, sourceType.getType(), targetType.getType(), e);
}
}
......@@ -94,11 +94,11 @@ class MapToMap implements ConversionExecutor {
Object key = entry.getKey();
Object value = entry.getValue();
if (keyConverter == null && key != null) {
keyConverter = conversionService.getConversionExecutor(key.getClass(), TypeDescriptor
keyConverter = conversionService.getConversionExecutor(key.getClass(), BindingPoint
.valueOf(targetKeyType));
}
if (valueConverter == null && value != null) {
valueConverter = conversionService.getConversionExecutor(value.getClass(), TypeDescriptor
valueConverter = conversionService.getConversionExecutor(value.getClass(), BindingPoint
.valueOf(targetValueType));
}
if (keyConverter != null && valueConverter != null) {
......
......@@ -15,7 +15,7 @@
*/
package org.springframework.core.convert.support;
import org.springframework.core.convert.ConversionException;
import org.springframework.core.convert.ConversionFailedException;
/**
* Conversion executor that does nothing. Access singleton at {@link #INSTANCE}.s
......@@ -28,7 +28,7 @@ class NoOpConversionExecutor implements ConversionExecutor {
}
public Object execute(Object source) throws ConversionException {
public Object execute(Object source) throws ConversionFailedException {
return source;
}
......
......@@ -4,7 +4,7 @@ import org.springframework.core.convert.converter.Converter;
/**
* Simply calls {@link Object#toString()} to convert any object to a string.
* Used by the {@link DefaultConversionService} as a fallback if there are no other explicit to string converters registered.
* Used by the {@link DefaultTypeConverter} as a fallback if there are no other explicit to string converters registered.
* @author Keith Donald
*/
public class ObjectToString implements Converter<Object, String> {
......
......@@ -15,8 +15,8 @@
*/
package org.springframework.core.convert.support;
import org.springframework.core.convert.ConversionException;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.ConversionFailedException;
import org.springframework.core.convert.BindingPoint;
import org.springframework.core.convert.converter.Converter;
import org.springframework.core.style.ToStringCreator;
......@@ -27,30 +27,30 @@ import org.springframework.core.style.ToStringCreator;
@SuppressWarnings("unchecked")
class StaticConversionExecutor implements ConversionExecutor {
private final TypeDescriptor sourceType;
private final BindingPoint sourceType;
private final TypeDescriptor targetType;
private final BindingPoint targetType;
private final Converter converter;
public StaticConversionExecutor(TypeDescriptor sourceType, TypeDescriptor targetType, Converter converter) {
public StaticConversionExecutor(BindingPoint sourceType, BindingPoint targetType, Converter converter) {
this.sourceType = sourceType;
this.targetType = targetType;
this.converter = converter;
}
public Object execute(Object source) throws ConversionException {
public Object execute(Object source) throws ConversionFailedException {
if (source == null) {
return null;
}
if (sourceType != null && !sourceType.isInstance(source)) {
throw new ConversionException(source, sourceType.getType(), targetType.getType(), "Source object "
throw new ConversionFailedException(source, sourceType.getType(), targetType.getType(), "Source object "
+ source + " to convert is expected to be an instance of [" + sourceType.getName() + "]");
}
try {
return converter.convert(source);
} catch (Exception e) {
throw new ConversionException(source, sourceType.getType(), targetType.getType(), e);
throw new ConversionFailedException(source, sourceType.getType(), targetType.getType(), e);
}
}
......
......@@ -34,13 +34,13 @@ public class TypeDescriptorTests {
@Test
public void testWrapperType() {
TypeDescriptor desc = TypeDescriptor.valueOf(int.class);
BindingPoint desc = BindingPoint.valueOf(int.class);
assertEquals(Integer.class, desc.getType());
}
@Test
public void listDescriptors() throws Exception {
TypeDescriptor typeDescriptor = new TypeDescriptor(TypeDescriptorTests.class.getDeclaredField("listOfString"));
BindingPoint typeDescriptor = new BindingPoint(TypeDescriptorTests.class.getDeclaredField("listOfString"));
assertFalse(typeDescriptor.isArray());
assertEquals(List.class,typeDescriptor.getType());
assertEquals(String.class,typeDescriptor.getElementType());
......@@ -50,7 +50,7 @@ public class TypeDescriptorTests {
@Test
public void arrayTypeDescriptors() throws Exception {
TypeDescriptor typeDescriptor = new TypeDescriptor(TypeDescriptorTests.class.getDeclaredField("intArray"));
BindingPoint typeDescriptor = new BindingPoint(TypeDescriptorTests.class.getDeclaredField("intArray"));
assertTrue(typeDescriptor.isArray());
assertEquals(Integer.TYPE,typeDescriptor.getElementType());
assertEquals("int[]",typeDescriptor.asString());
......@@ -58,14 +58,14 @@ public class TypeDescriptorTests {
@Test
public void buildingArrayTypeDescriptors() throws Exception {
TypeDescriptor typeDescriptor = new TypeDescriptor(new int[0].getClass());
BindingPoint typeDescriptor = new BindingPoint(new int[0].getClass());
assertTrue(typeDescriptor.isArray());
assertEquals(Integer.TYPE,typeDescriptor.getElementType());
}
@Test
public void complexTypeDescriptors() throws Exception {
TypeDescriptor typeDescriptor = new TypeDescriptor(TypeDescriptorTests.class.getDeclaredField("arrayOfListOfString"));
BindingPoint typeDescriptor = new BindingPoint(TypeDescriptorTests.class.getDeclaredField("arrayOfListOfString"));
assertTrue(typeDescriptor.isArray());
assertEquals(List.class,typeDescriptor.getElementType());
// TODO asc notice that the type of the list elements is lost: typeDescriptor.getElementType() should return a TypeDescriptor
......
......@@ -3,16 +3,16 @@ package org.springframework.core.convert.support;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.BindingPoint;
import org.springframework.core.convert.support.ArrayToArray;
import org.springframework.core.convert.support.DefaultConversionService;
import org.springframework.core.convert.support.DefaultTypeConverter;
public class ArrayToArrayTests {
@Test
public void testArrayToArrayConversion() {
DefaultConversionService service = new DefaultConversionService();
ArrayToArray c = new ArrayToArray(TypeDescriptor.valueOf(String[].class), TypeDescriptor.valueOf(Integer[].class), service);
DefaultTypeConverter service = new DefaultTypeConverter();
ArrayToArray c = new ArrayToArray(BindingPoint.valueOf(String[].class), BindingPoint.valueOf(Integer[].class), service);
Integer[] result = (Integer[]) c.execute(new String[] { "1", "2", "3" });
assertEquals(new Integer(1), result[0]);
assertEquals(new Integer(2), result[1]);
......
......@@ -9,16 +9,16 @@ import java.util.Set;
import java.util.SortedSet;
import org.junit.Test;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.BindingPoint;
import org.springframework.core.convert.support.ArrayToCollection;
import org.springframework.core.convert.support.DefaultConversionService;
import org.springframework.core.convert.support.DefaultTypeConverter;
public class ArrayToCollectionTests {
@Test
public void testArrayToCollectionConversion() throws Exception {
DefaultConversionService service = new DefaultConversionService();
ArrayToCollection c = new ArrayToCollection(TypeDescriptor.valueOf(String[].class), new TypeDescriptor(getClass().getField("bindTarget")), service);
DefaultTypeConverter service = new DefaultTypeConverter();
ArrayToCollection c = new ArrayToCollection(BindingPoint.valueOf(String[].class), new BindingPoint(getClass().getField("bindTarget")), service);
List result = (List) c.execute(new String[] { "1", "2", "3" });
assertEquals(new Integer(1), result.get(0));
assertEquals(new Integer(2), result.get(1));
......@@ -27,32 +27,32 @@ public class ArrayToCollectionTests {
@Test
public void testArrayToSetConversion() throws Exception {
DefaultConversionService service = new DefaultConversionService();
ArrayToCollection c = new ArrayToCollection(TypeDescriptor.valueOf(String[].class), new TypeDescriptor(getClass().getField("setTarget")), service);
DefaultTypeConverter service = new DefaultTypeConverter();
ArrayToCollection c = new ArrayToCollection(BindingPoint.valueOf(String[].class), new BindingPoint(getClass().getField("setTarget")), service);
Set result = (Set) c.execute(new String[] { "1" });
assertEquals("1", result.iterator().next());
}
@Test
public void testArrayToSortedSetConversion() throws Exception {
DefaultConversionService service = new DefaultConversionService();
ArrayToCollection c = new ArrayToCollection(TypeDescriptor.valueOf(String[].class), new TypeDescriptor(getClass().getField("sortedSetTarget")), service);
DefaultTypeConverter service = new DefaultTypeConverter();
ArrayToCollection c = new ArrayToCollection(BindingPoint.valueOf(String[].class), new BindingPoint(getClass().getField("sortedSetTarget")), service);
SortedSet result = (SortedSet) c.execute(new String[] { "1" });
assertEquals(new Integer(1), result.iterator().next());
}
@Test
public void testArrayToCollectionImplConversion() throws Exception {
DefaultConversionService service = new DefaultConversionService();
ArrayToCollection c = new ArrayToCollection(TypeDescriptor.valueOf(String[].class), new TypeDescriptor(getClass().getField("implTarget")), service);
DefaultTypeConverter service = new DefaultTypeConverter();
ArrayToCollection c = new ArrayToCollection(BindingPoint.valueOf(String[].class), new BindingPoint(getClass().getField("implTarget")), service);
LinkedList result = (LinkedList) c.execute(new String[] { "1" });
assertEquals("1", result.iterator().next());
}
@Test
public void testArrayToNonGenericCollectionConversionNullElement() throws Exception {
DefaultConversionService service = new DefaultConversionService();
ArrayToCollection c = new ArrayToCollection(TypeDescriptor.valueOf(String[].class), new TypeDescriptor(getClass().getField("listTarget")), service);
DefaultTypeConverter service = new DefaultTypeConverter();
ArrayToCollection c = new ArrayToCollection(BindingPoint.valueOf(String[].class), new BindingPoint(getClass().getField("listTarget")), service);
List result = (List) c.execute(new Integer[] { null, new Integer(1) });
assertEquals(null, result.get(0));
assertEquals(new Integer(1), result.get(1));
......
......@@ -6,17 +6,17 @@ import java.util.ArrayList;
import java.util.Collection;
import org.junit.Test;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.BindingPoint;
import org.springframework.core.convert.support.CollectionToArray;
import org.springframework.core.convert.support.DefaultConversionService;
import org.springframework.core.convert.support.DefaultTypeConverter;
public class CollectionToArrayTests {
@Test
public void testCollectionToArrayConversion() throws Exception {
DefaultConversionService service = new DefaultConversionService();
CollectionToArray c = new CollectionToArray(new TypeDescriptor(getClass().getField("bindTarget")),
TypeDescriptor.valueOf(Integer[].class), service);
DefaultTypeConverter service = new DefaultTypeConverter();
CollectionToArray c = new CollectionToArray(new BindingPoint(getClass().getField("bindTarget")),
BindingPoint.valueOf(Integer[].class), service);
bindTarget.add("1");
bindTarget.add("2");
bindTarget.add("3");
......@@ -28,8 +28,8 @@ public class CollectionToArrayTests {
@Test
public void testCollectionToArrayConversionNoGenericInfo() throws Exception {
DefaultConversionService service = new DefaultConversionService();
CollectionToArray c = new CollectionToArray(TypeDescriptor.valueOf(Collection.class), TypeDescriptor
DefaultTypeConverter service = new DefaultTypeConverter();
CollectionToArray c = new CollectionToArray(BindingPoint.valueOf(Collection.class), BindingPoint
.valueOf(Integer[].class), service);
bindTarget.add("1");
bindTarget.add("2");
......@@ -42,8 +42,8 @@ public class CollectionToArrayTests {
@Test
public void testCollectionToArrayConversionNoGenericInfoNullElement() throws Exception {
DefaultConversionService service = new DefaultConversionService();
CollectionToArray c = new CollectionToArray(TypeDescriptor.valueOf(Collection.class), TypeDescriptor
DefaultTypeConverter service = new DefaultTypeConverter();
CollectionToArray c = new CollectionToArray(BindingPoint.valueOf(Collection.class), BindingPoint
.valueOf(Integer[].class), service);
bindTarget.add(null);
bindTarget.add("1");
......
......@@ -8,17 +8,17 @@ import java.util.Collection;
import java.util.List;
import org.junit.Test;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.BindingPoint;
import org.springframework.core.convert.support.CollectionToCollection;
import org.springframework.core.convert.support.DefaultConversionService;
import org.springframework.core.convert.support.DefaultTypeConverter;
public class CollectionToCollectionTests {
@Test
public void testCollectionToCollectionConversion() throws Exception {
DefaultConversionService service = new DefaultConversionService();
CollectionToCollection c = new CollectionToCollection(new TypeDescriptor(getClass().getField("bindTarget")),
new TypeDescriptor(getClass().getField("integerTarget")), service);
DefaultTypeConverter service = new DefaultTypeConverter();
CollectionToCollection c = new CollectionToCollection(new BindingPoint(getClass().getField("bindTarget")),
new BindingPoint(getClass().getField("integerTarget")), service);
bindTarget.add("1");
bindTarget.add("2");
bindTarget.add("3");
......@@ -30,9 +30,9 @@ public class CollectionToCollectionTests {
@Test
public void testCollectionToCollectionConversionNoGenericInfo() throws Exception {
DefaultConversionService service = new DefaultConversionService();
CollectionToCollection c = new CollectionToCollection(TypeDescriptor.valueOf(Collection.class),
TypeDescriptor.valueOf(List.class), service);
DefaultTypeConverter service = new DefaultTypeConverter();
CollectionToCollection c = new CollectionToCollection(BindingPoint.valueOf(Collection.class),
BindingPoint.valueOf(List.class), service);
bindTarget.add("1");
bindTarget.add("2");
bindTarget.add("3");
......@@ -44,9 +44,9 @@ public class CollectionToCollectionTests {
@Test
public void testCollectionToCollectionConversionNoGenericInfoSource() throws Exception {
DefaultConversionService service = new DefaultConversionService();
CollectionToCollection c = new CollectionToCollection(TypeDescriptor.valueOf(Collection.class),
new TypeDescriptor(getClass().getField("integerTarget")), service);
DefaultTypeConverter service = new DefaultTypeConverter();
CollectionToCollection c = new CollectionToCollection(BindingPoint.valueOf(Collection.class),
new BindingPoint(getClass().getField("integerTarget")), service);
bindTarget.add("1");
bindTarget.add("2");
bindTarget.add("3");
......@@ -58,9 +58,9 @@ public class CollectionToCollectionTests {
@Test
public void testCollectionToCollectionConversionNoGenericInfoSourceNullValues() throws Exception {
DefaultConversionService service = new DefaultConversionService();
CollectionToCollection c = new CollectionToCollection(TypeDescriptor.valueOf(Collection.class),
new TypeDescriptor(getClass().getField("integerTarget")), service);
DefaultTypeConverter service = new DefaultTypeConverter();
CollectionToCollection c = new CollectionToCollection(BindingPoint.valueOf(Collection.class),
new BindingPoint(getClass().getField("integerTarget")), service);
bindTarget.add(null);
bindTarget.add("1");
bindTarget.add("2");
......@@ -76,9 +76,9 @@ public class CollectionToCollectionTests {
@Test
public void testCollectionToCollectionConversionNoGenericInfoSourceEmpty() throws Exception {
DefaultConversionService service = new DefaultConversionService();
CollectionToCollection c = new CollectionToCollection(TypeDescriptor.valueOf(Collection.class),
new TypeDescriptor(getClass().getField("integerTarget")), service);
DefaultTypeConverter service = new DefaultTypeConverter();
CollectionToCollection c = new CollectionToCollection(BindingPoint.valueOf(Collection.class),
new BindingPoint(getClass().getField("integerTarget")), service);
List result = (List) c.execute(bindTarget);
assertTrue(result.isEmpty());
}
......
package org.springframework.core.convert.converters;
package org.springframework.core.convert.support;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
......@@ -28,7 +28,7 @@ import org.springframework.core.convert.support.StringToShort;
/**
* Tests for the default converters in the converters package.
s */
public class DefaultConverterTests {
public class DefaultTypeConverterTests {
@Test
public void testStringToByte() throws Exception {
......
......@@ -21,7 +21,6 @@ import static junit.framework.Assert.fail;
import java.util.AbstractList;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
......@@ -29,43 +28,35 @@ import java.util.Map;
import org.junit.Ignore;
import org.junit.Test;
import org.springframework.core.convert.ConversionException;
import org.springframework.core.convert.BindingPoint;
import org.springframework.core.convert.ConversionFailedException;
import org.springframework.core.convert.ConverterNotFoundException;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.Converter;
public class GenericConversionServiceTests {
public class GenericTypeConverterTests {
private GenericConversionService service = new GenericConversionService();
private GenericTypeConverter converter = new GenericTypeConverter();
@Test
public void executeConversion() {
service.addConverter(new StringToInteger());
assertEquals(new Integer(3), service.convert("3", type(Integer.class)));
converter.addConverter(new StringToInteger());
assertEquals(new Integer(3), converter.convert("3", Integer.class));
}
@Test
public void executeConversionNullSource() {
assertEquals(null, service.convert(null, type(Integer.class)));
assertEquals(null, converter.convert(null, Integer.class));
}
@Test
public void executeCompatibleSource() {
assertEquals(false, service.convert(false, type(boolean.class)));
assertEquals(Boolean.FALSE, converter.convert(false, boolean.class));
}
@Test
public void converterConvert() {
service.addConverter(new StringToInteger());
ConversionExecutor executor = service.getConversionExecutor(String.class, type(Integer.class));
Integer three = (Integer) executor.execute("3");
assertEquals(3, three.intValue());
}
@Test
public void convertExecutorNotFound() {
public void converterNotFound() {
try {
service.convert("3", type(Integer.class));
converter.convert("3", Integer.class);
fail("Should have thrown an exception");
} catch (ConverterNotFoundException e) {
}
......@@ -74,14 +65,10 @@ public class GenericConversionServiceTests {
@Test
public void addConverterNoSourceTargetClassInfoAvailable() {
try {
service.addConverter(new Converter() {
converter.addConverter(new Converter() {
public Object convert(Object source) throws Exception {
return source;
}
public Object convertBack(Object target) throws Exception {
return target;
}
});
fail("Should have failed");
} catch (IllegalArgumentException e) {
......@@ -91,51 +78,40 @@ public class GenericConversionServiceTests {
@Test
public void convertNull() {
service.addConverter(new StringToInteger());
ConversionExecutor executor = service.getConversionExecutor(String.class, type(Integer.class));
assertNull(executor.execute(null));
assertNull(converter.convert(null, Integer.class));
}
@Test
public void convertWrongTypeArgument() {
service.addConverter(new StringToInteger());
converter.addConverter(new StringToInteger());
try {
service.convert("BOGUS", type(Integer.class));
converter.convert("BOGUS", Integer.class);
fail("Should have failed");
} catch (ConversionException e) {
} catch (ConversionFailedException e) {
}
}
@Test
public void convertSuperSourceType() {
service.addConverter(new Converter<CharSequence, Integer>() {
converter.addConverter(new Converter<CharSequence, Integer>() {
public Integer convert(CharSequence source) throws Exception {
return Integer.valueOf(source.toString());
}
public CharSequence convertBack(Integer target) throws Exception {
return target.toString();
}
});
ConversionExecutor executor = service.getConversionExecutor(String.class, type(Integer.class));
Integer result = (Integer) executor.execute("3");
Integer result = converter.convert("3", Integer.class);
assertEquals(new Integer(3), result);
}
@Test
public void convertNoSuperTargetType() {
service.addConverter(new Converter<CharSequence, Number>() {
converter.addConverter(new Converter<CharSequence, Number>() {
public Integer convert(CharSequence source) throws Exception {
return Integer.valueOf(source.toString());
}
public CharSequence convertBack(Number target) throws Exception {
return target.toString();
}
});
try {
service.convert("3", type(Integer.class));
converter.convert("3", Integer.class);
fail("Should have failed");
} catch (ConverterNotFoundException e) {
......@@ -144,17 +120,15 @@ public class GenericConversionServiceTests {
@Test
public void convertObjectToPrimitive() {
service.addConverter(new StringToInteger());
ConversionExecutor executor = service.getConversionExecutor(String.class, type(int.class));
Integer three = (Integer) executor.execute("3");
converter.addConverter(new StringToInteger());
Integer three = converter.convert("3", int.class);
assertEquals(3, three.intValue());
}
@Test
public void convertArrayToArray() {
service.addConverter(new StringToInteger());
ConversionExecutor executor = service.getConversionExecutor(String[].class, type(Integer[].class));
Integer[] result = (Integer[]) executor.execute(new String[] { "1", "2", "3" });
converter.addConverter(new StringToInteger());
Integer[] result = converter.convert(new String[] { "1", "2", "3" }, Integer[].class);
assertEquals(new Integer(1), result[0]);
assertEquals(new Integer(2), result[1]);
assertEquals(new Integer(3), result[2]);
......@@ -162,9 +136,8 @@ public class GenericConversionServiceTests {
@Test
public void convertArrayToPrimitiveArray() {
service.addConverter(new StringToInteger());
ConversionExecutor executor = service.getConversionExecutor(String[].class, type(int[].class));
int[] result = (int[]) executor.execute(new String[] { "1", "2", "3" });
converter.addConverter(new StringToInteger());
int[] result = (int[]) converter.convert(new String[] { "1", "2", "3" }, int[].class);
assertEquals(1, result[0]);
assertEquals(2, result[1]);
assertEquals(3, result[2]);
......@@ -172,8 +145,7 @@ public class GenericConversionServiceTests {
@Test
public void convertArrayToListInterface() {
ConversionExecutor executor = service.getConversionExecutor(String[].class, type(List.class));
List result = (List) executor.execute(new String[] { "1", "2", "3" });
List<?> result = converter.convert(new String[] { "1", "2", "3" }, List.class);
assertEquals("1", result.get(0));
assertEquals("2", result.get(1));
assertEquals("3", result.get(2));
......@@ -183,10 +155,8 @@ public class GenericConversionServiceTests {
@Test
public void convertArrayToListGenericTypeConversion() throws Exception {
service.addConverter(new StringToInteger());
ConversionExecutor executor = service.getConversionExecutor(String[].class, new TypeDescriptor(getClass()
.getDeclaredField("genericList")));
List result = (List) executor.execute(new String[] { "1", "2", "3" });
converter.addConverter(new StringToInteger());
List<Integer> result = converter.convert(new String[] { "1", "2", "3" }, new BindingPoint<List<Integer>>(getClass().getDeclaredField("genericList")));
assertEquals(new Integer("1"), result.get(0));
assertEquals(new Integer("2"), result.get(1));
assertEquals(new Integer("3"), result.get(2));
......@@ -194,8 +164,7 @@ public class GenericConversionServiceTests {
@Test
public void convertArrayToListImpl() {
ConversionExecutor executor = service.getConversionExecutor(String[].class, type(LinkedList.class));
LinkedList result = (LinkedList) executor.execute(new String[] { "1", "2", "3" });
LinkedList<?> result = converter.convert(new String[] { "1", "2", "3" }, LinkedList.class);
assertEquals("1", result.get(0));
assertEquals("2", result.get(1));
assertEquals("3", result.get(2));
......@@ -204,7 +173,7 @@ public class GenericConversionServiceTests {
@Test
public void convertArrayToAbstractList() {
try {
service.getConversionExecutor(String[].class, type(AbstractList.class));
converter.convert(new String[] { "1", "2", "3" }, AbstractList.class);
} catch (IllegalArgumentException e) {
}
......@@ -212,12 +181,11 @@ public class GenericConversionServiceTests {
@Test
public void convertListToArray() {
ConversionExecutor executor = service.getConversionExecutor(Collection.class, type(String[].class));
List list = new ArrayList();
List<String> list = new ArrayList<String>();
list.add("1");
list.add("2");
list.add("3");
String[] result = (String[]) executor.execute(list);
String[] result = (String[]) converter.convert(list, String[].class);
assertEquals("1", result[0]);
assertEquals("2", result[1]);
assertEquals("3", result[2]);
......@@ -225,13 +193,12 @@ public class GenericConversionServiceTests {
@Test
public void convertListToArrayWithComponentConversion() {
service.addConverter(new StringToInteger());
ConversionExecutor executor = service.getConversionExecutor(Collection.class, type(Integer[].class));
List list = new ArrayList();
converter.addConverter(new StringToInteger());
List<String> list = new ArrayList<String>();
list.add("1");
list.add("2");
list.add("3");
Integer[] result = (Integer[]) executor.execute(list);
Integer[] result = converter.convert(list, Integer[].class);
assertEquals(new Integer(1), result[0]);
assertEquals(new Integer(2), result[1]);
assertEquals(new Integer(3), result[2]);
......@@ -245,16 +212,17 @@ public class GenericConversionServiceTests {
Map<String, String> foo = new HashMap<String, String>();
foo.put("1", "BAR");
foo.put("2", "BAZ");
service.addConverter(new StringToInteger());
service.addConverter(new StringToEnumFactory().getConverter(FooEnum.class));
service.convert(foo, new TypeDescriptor(getClass().getField("genericMap")));
converter.addConverter(new StringToInteger());
converter.addConverter(new StringToEnumFactory().getConverter(FooEnum.class));
Map<String, FooEnum> map = converter.convert(foo, new BindingPoint<Map<String, FooEnum>>(getClass().getField("genericMap")));
assertEquals(map.get(1), FooEnum.BAR);
assertEquals(map.get(2), FooEnum.BAZ);
}
@Ignore
@Test
public void convertObjectToArray() {
ConversionExecutor executor = service.getConversionExecutor(String.class, type(String[].class));
String[] result = (String[]) executor.execute("1,2,3");
String[] result = (String[]) converter.convert("1,2,3", String[].class);
assertEquals(1, result.length);
assertEquals("1,2,3", result[0]);
}
......@@ -262,9 +230,8 @@ public class GenericConversionServiceTests {
@Ignore
@Test
public void convertObjectToArrayWithElementConversion() {
service.addConverter(new StringToInteger());
ConversionExecutor executor = service.getConversionExecutor(String.class, type(Integer[].class));
Integer[] result = (Integer[]) executor.execute("123");
converter.addConverter(new StringToInteger());
Integer[] result = converter.convert("123", Integer[].class);
assertEquals(1, result.length);
assertEquals(new Integer(123), result[0]);
}
......@@ -273,8 +240,4 @@ public class GenericConversionServiceTests {
BAR, BAZ
}
private TypeDescriptor type(Class<?> clazz) {
return TypeDescriptor.valueOf(clazz);
}
}
\ No newline at end of file
......@@ -6,29 +6,29 @@ import java.util.HashMap;
import java.util.Map;
import org.junit.Test;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.support.DefaultConversionService;
import org.springframework.core.convert.BindingPoint;
import org.springframework.core.convert.support.DefaultTypeConverter;
import org.springframework.core.convert.support.MapToMap;
public class MapToMapTests {
@Test
public void testMapToMapConversion() throws Exception {
DefaultConversionService service = new DefaultConversionService();
MapToMap c = new MapToMap(new TypeDescriptor(getClass().getField("source")),
new TypeDescriptor(getClass().getField("bindTarget")), service);
DefaultTypeConverter converter = new DefaultTypeConverter();
MapToMap c = new MapToMap(new BindingPoint<Map<String, String>>(getClass().getField("source")),
new BindingPoint<Map<String, FooEnum>>(getClass().getField("bindTarget")), converter);
source.put("1", "BAR");
source.put("2", "BAZ");
Map result = (Map) c.execute(source);
Map<String, FooEnum> result = (Map<String, FooEnum>) c.execute(source);
assertEquals(FooEnum.BAR, result.get(1));
assertEquals(FooEnum.BAZ, result.get(2));
}
@Test
public void testMapToMapConversionNoGenericInfoOnSource() throws Exception {
DefaultConversionService service = new DefaultConversionService();
MapToMap c = new MapToMap(TypeDescriptor.valueOf(Map.class),
new TypeDescriptor(getClass().getField("bindTarget")), service);
DefaultTypeConverter service = new DefaultTypeConverter();
MapToMap c = new MapToMap(BindingPoint.valueOf(Map.class),
new BindingPoint(getClass().getField("bindTarget")), service);
source.put("1", "BAR");
source.put("2", "BAZ");
Map result = (Map) c.execute(source);
......@@ -38,9 +38,9 @@ public class MapToMapTests {
@Test
public void testMapToMapConversionNoGenericInfo() throws Exception {
DefaultConversionService service = new DefaultConversionService();
MapToMap c = new MapToMap(TypeDescriptor.valueOf(Map.class),
TypeDescriptor.valueOf(Map.class), service);
DefaultTypeConverter service = new DefaultTypeConverter();
MapToMap c = new MapToMap(BindingPoint.valueOf(Map.class),
BindingPoint.valueOf(Map.class), service);
source.put("1", "BAR");
source.put("2", "BAZ");
Map result = (Map) c.execute(source);
......
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