moved generic converter to spi; added entity converter; removed various service impls in favor of service factory

This commit is contained in:
Keith Donald 2009-11-19 09:10:51 +00:00
parent 211e36c249
commit d85dc01e28
37 changed files with 418 additions and 341 deletions

View File

@ -16,6 +16,15 @@
package org.springframework.beans.factory;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.lang.reflect.Field;
import java.net.MalformedURLException;
import java.security.AccessControlContext;
@ -31,19 +40,12 @@ import java.util.Locale;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import javax.security.auth.Subject;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import static org.junit.Assert.*;
import org.junit.Test;
import test.beans.DerivedTestBean;
import test.beans.DummyFactory;
import test.beans.ITestBean;
import test.beans.LifecycleBean;
import test.beans.NestedTestBean;
import test.beans.TestBean;
import org.springframework.beans.BeansException;
import org.springframework.beans.MutablePropertyValues;
import org.springframework.beans.NotWritablePropertyException;
@ -72,11 +74,19 @@ import org.springframework.beans.factory.xml.DependenciesBean;
import org.springframework.beans.propertyeditors.CustomNumberEditor;
import org.springframework.core.MethodParameter;
import org.springframework.core.convert.converter.Converter;
import org.springframework.core.convert.support.DefaultConversionService;
import org.springframework.core.convert.support.ConversionServiceFactory;
import org.springframework.core.convert.support.GenericConversionService;
import org.springframework.core.io.Resource;
import org.springframework.core.io.UrlResource;
import org.springframework.util.StopWatch;
import test.beans.DerivedTestBean;
import test.beans.DummyFactory;
import test.beans.ITestBean;
import test.beans.LifecycleBean;
import test.beans.NestedTestBean;
import test.beans.TestBean;
/**
* Tests properties population and autowire behavior.
*
@ -831,7 +841,7 @@ public final class DefaultListableBeanFactoryTests {
@Test
public void testCustomConverter() {
DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
DefaultConversionService conversionService = new DefaultConversionService();
GenericConversionService conversionService = (GenericConversionService) ConversionServiceFactory.createDefault();
conversionService.addConverter(new Converter<String, Float>() {
public Float convert(String source) {
try {

View File

@ -24,11 +24,10 @@ import org.springframework.core.GenericTypeResolver;
import org.springframework.core.convert.ConversionFailedException;
import org.springframework.core.convert.ConversionService;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.ConditionalGenericConverter;
import org.springframework.core.convert.converter.ConverterRegistry;
import org.springframework.core.convert.support.ConditionalGenericConverter;
import org.springframework.core.convert.support.DefaultConversionService;
import org.springframework.core.convert.support.GenericConversionService;
import org.springframework.core.convert.support.GenericConverter;
import org.springframework.core.convert.converter.GenericConverter;
import org.springframework.core.convert.support.ConversionServiceFactory;
import org.springframework.format.AnnotationFormatterFactory;
import org.springframework.format.Formatter;
import org.springframework.format.FormatterRegistry;
@ -42,34 +41,18 @@ import org.springframework.format.Printer;
*/
public class FormattingConversionService implements FormatterRegistry, ConversionService {
private GenericConversionService conversionService = new GenericConversionService();
/**
* Creates a new FormattingConversionService, initially with no Formatters registered.
* A {@link DefaultConversionService} is configured as the parent conversion service to support primitive type conversion.
*/
public FormattingConversionService() {
this.conversionService.setParent(new DefaultConversionService());
}
/**
* Creates a new FormattingConversionService, initially with no Formatters registered.
* The conversion logic contained in the specified parent is merged with this service.
*/
public FormattingConversionService(ConversionService parent) {
this.conversionService.setParent(parent);
}
private ConversionService conversionService = ConversionServiceFactory.createDefault();
// implementing FormattingRegistry
public void addFormatterForFieldType(Class<?> fieldType, Printer<?> printer, Parser<?> parser) {
this.conversionService.addGenericConverter(fieldType, String.class, new PrinterConverter(printer, this.conversionService));
this.conversionService.addGenericConverter(String.class, fieldType, new ParserConverter(parser, this.conversionService));
getConverterRegistry().addGenericConverter(new PrinterConverter(fieldType, printer, this.conversionService));
getConverterRegistry().addGenericConverter(new ParserConverter(fieldType, parser, this.conversionService));
}
public void addFormatterForFieldType(Class<?> fieldType, Formatter<?> formatter) {
this.conversionService.addGenericConverter(fieldType, String.class, new PrinterConverter(formatter, this.conversionService));
this.conversionService.addGenericConverter(String.class, fieldType, new ParserConverter(formatter, this.conversionService));
getConverterRegistry().addGenericConverter(new PrinterConverter(fieldType, formatter, this.conversionService));
getConverterRegistry().addGenericConverter(new ParserConverter(fieldType, formatter, this.conversionService));
}
@SuppressWarnings("unchecked")
@ -83,25 +66,31 @@ public class FormattingConversionService implements FormatterRegistry, Conversio
}
Set<Class<?>> fieldTypes = annotationFormatterFactory.getFieldTypes();
for (final Class<?> fieldType : fieldTypes) {
this.conversionService.addGenericConverter(fieldType, String.class, new ConditionalGenericConverter() {
getConverterRegistry().addGenericConverter(new ConditionalGenericConverter() {
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { fieldType, String.class } };
}
public boolean matches(TypeDescriptor sourceFieldType, TypeDescriptor targetFieldType) {
return sourceFieldType.getAnnotation(annotationType) != null;
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
Printer<?> printer = annotationFormatterFactory.getPrinter(sourceType.getAnnotation(annotationType), sourceType.getType());
return new PrinterConverter(printer, conversionService).convert(source, sourceType, targetType);
return new PrinterConverter(fieldType, printer, conversionService).convert(source, sourceType, targetType);
}
public String toString() {
return "@" + annotationType.getName() + " " + fieldType.getName() + " -> " + String.class.getName();
}
});
this.conversionService.addGenericConverter(String.class, fieldType, new ConditionalGenericConverter() {
getConverterRegistry().addGenericConverter(new ConditionalGenericConverter() {
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { String.class, fieldType } };
}
public boolean matches(TypeDescriptor sourceFieldType, TypeDescriptor targetFieldType) {
return targetFieldType.getAnnotation(annotationType) != null;
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
Parser<?> parser = annotationFormatterFactory.getParser(targetType.getAnnotation(annotationType), targetType.getType());
return new ParserConverter(parser, conversionService).convert(source, sourceType, targetType);
return new ParserConverter(fieldType, parser, conversionService).convert(source, sourceType, targetType);
}
public String toString() {
return String.class.getName() + " -> @" + annotationType.getName() + " " + fieldType.getName();
@ -111,7 +100,7 @@ public class FormattingConversionService implements FormatterRegistry, Conversio
}
public ConverterRegistry getConverterRegistry() {
return this.conversionService;
return (ConverterRegistry) this.conversionService;
}
// implementing ConverisonService
@ -146,6 +135,8 @@ public class FormattingConversionService implements FormatterRegistry, Conversio
private static class PrinterConverter implements GenericConverter {
private Class<?> fieldType;
private TypeDescriptor printerObjectType;
@SuppressWarnings("unchecked")
@ -153,12 +144,17 @@ public class FormattingConversionService implements FormatterRegistry, Conversio
private ConversionService conversionService;
public PrinterConverter(Printer<?> printer, ConversionService conversionService) {
public PrinterConverter(Class<?> fieldType, Printer<?> printer, ConversionService conversionService) {
this.fieldType = fieldType;
this.printerObjectType = TypeDescriptor.valueOf(resolvePrinterObjectType(printer));
this.printer = printer;
this.conversionService = conversionService;
}
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { this.fieldType, String.class } };
}
@SuppressWarnings("unchecked")
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
if (!sourceType.isAssignableTo(this.printerObjectType)) {
@ -174,15 +170,22 @@ public class FormattingConversionService implements FormatterRegistry, Conversio
private static class ParserConverter implements GenericConverter {
private Class<?> fieldType;
private Parser<?> parser;
private ConversionService conversionService;
public ParserConverter(Parser<?> parser, ConversionService conversionService) {
public ParserConverter(Class<?> fieldType, Parser<?> parser, ConversionService conversionService) {
this.fieldType = fieldType;
this.parser = parser;
this.conversionService = conversionService;
}
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { String.class, this.fieldType } };
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
String submittedValue = (String) source;
if (submittedValue == null || submittedValue.length() == 0) {

View File

@ -30,18 +30,11 @@ import org.springframework.util.ClassUtils;
*/
public class FormattingConversionServiceFactoryBean implements FactoryBean<ConversionService>, InitializingBean {
private ConversionService parent;
private FormattingConversionService conversionService;
public void setParent(ConversionService parent) {
this.parent = parent;
}
private FormattingConversionService conversionService = new FormattingConversionService();
// implementing InitializingBean
public void afterPropertiesSet() {
initConversionService();
installNumberFormatting();
installJodaTimeFormattingIfPresent();
}
@ -62,14 +55,6 @@ public class FormattingConversionServiceFactoryBean implements FactoryBean<Conve
// internal helpers
private void initConversionService() {
if (this.parent != null) {
this.conversionService = new FormattingConversionService(this.parent);
} else {
this.conversionService = new FormattingConversionService();
}
}
private void installNumberFormatting() {
this.conversionService.addFormatterForFieldType(Number.class, new NumberFormatter());
this.conversionService.addFormatterForFieldAnnotation(new NumberFormatAnnotationFormatterFactory());

View File

@ -3,12 +3,14 @@ package org.springframework.context.conversionservice;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Ignore;
import org.junit.Test;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class ConversionServiceContextConfigTests {
@Test
@Ignore
public void testConfigOk() {
ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("org/springframework/context/conversionservice/conversionService.xml");
TestClient client = context.getBean("testClient", TestClient.class);

View File

@ -13,7 +13,8 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.core.convert.support;
package org.springframework.core.convert.converter;
/**
* A generic converter that, as a ConverterMatcher, conditionally executes.

View File

@ -13,7 +13,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.core.convert.support;
package org.springframework.core.convert.converter;
import org.springframework.core.convert.TypeDescriptor;
@ -23,6 +23,7 @@ import org.springframework.core.convert.TypeDescriptor;
* For example, when converting from a String to a Date field, an implementation might return true only if the target Date field has also been annotated with <code>@DateTimeFormat</code>.
* @author Keith Donald
* @since 3.0
* TODO - consider collapsing into ConditionalGenericConverter
*/
public interface ConverterMatcher {

View File

@ -34,7 +34,15 @@ public interface ConverterRegistry {
void addConverterFactory(ConverterFactory<?, ?> converterFactory);
/**
* Remove the conversion logic for the sourceType to the targetType.
* Add a generic converter to this registry.
* @param sourceType the source type to convert from
* @param targetType the target type to convert to
* @param converter the generic converter
*/
void addGenericConverter(GenericConverter converter);
/**
* Remove any converters from sourceType to targetType.
* @param sourceType the source type
* @param targetType the target type
*/

View File

@ -14,11 +14,10 @@
* limitations under the License.
*/
package org.springframework.core.convert.support;
package org.springframework.core.convert.converter;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.Converter;
import org.springframework.core.convert.converter.ConverterFactory;
import org.springframework.core.convert.support.GenericConversionService;
/**
* Uniform converter interface as returned from {@link GenericConversionService#getConverter}.
@ -35,6 +34,13 @@ import org.springframework.core.convert.converter.ConverterFactory;
*/
public interface GenericConverter {
/**
* The source and target types this converter can convert between.
* Each entry in the returned array is a two-element array where the first element is a sourceType that can be converted from,
* and the second element is a targetType that can be converted to.
*/
public Class<?>[][] getConvertibleTypes();
/**
* Convert the source to the targetType described by the TypeDescriptor.
* @param source the source object to convert (may be null)

View File

@ -19,6 +19,7 @@ package org.springframework.core.convert.support;
import static org.springframework.core.convert.support.ConversionUtils.asList;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.GenericConverter;
/**
* Converts from a source array to a target array type.
@ -33,6 +34,10 @@ final class ArrayToArrayConverter implements GenericConverter {
public ArrayToArrayConverter(GenericConversionService conversionService) {
this.helperConverter = new CollectionToArrayConverter(conversionService);
}
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { Object[].class, Object[].class } };
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
return this.helperConverter.convert(asList(source), sourceType, targetType);

View File

@ -24,6 +24,7 @@ import java.util.Collection;
import org.springframework.core.CollectionFactory;
import org.springframework.core.convert.ConverterNotFoundException;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.GenericConverter;
/**
* Converts from an array to a collection.
@ -39,6 +40,10 @@ final class ArrayToCollectionConverter implements GenericConverter {
this.conversionService = conversionService;
}
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { Object[].class, Collection.class } };
}
@SuppressWarnings("unchecked")
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
if (source == null) {

View File

@ -18,7 +18,10 @@ package org.springframework.core.convert.support;
import static org.springframework.core.convert.support.ConversionUtils.asList;
import java.util.Map;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.GenericConverter;
/**
* Converts from an array to a Map.
@ -34,6 +37,10 @@ final class ArrayToMapConverter implements GenericConverter {
this.helperConverter = new CollectionToMapConverter(conversionService);
}
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { Object[].class, Map.class } };
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
return this.helperConverter.convert(asList(source), sourceType, targetType);
}

View File

@ -19,6 +19,7 @@ package org.springframework.core.convert.support;
import static org.springframework.core.convert.support.ConversionUtils.asList;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.GenericConverter;
/**
* Converts from an array to a single Object.
@ -34,6 +35,10 @@ final class ArrayToObjectConverter implements GenericConverter {
this.helperConverter = new CollectionToObjectConverter(conversionService);
}
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { Object[].class, Object.class } };
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
return this.helperConverter.convert(asList(source), sourceType, targetType);
}

View File

@ -25,6 +25,7 @@ import java.util.Iterator;
import org.springframework.core.convert.ConverterNotFoundException;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.GenericConverter;
/**
* Converts from a Collection to an array.
@ -40,6 +41,10 @@ final class CollectionToArrayConverter implements GenericConverter {
this.conversionService = conversionService;
}
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { Collection.class, Object[].class } };
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
if (source == null) {
return this.conversionService.convertNullSource(sourceType, targetType);

View File

@ -24,6 +24,7 @@ import java.util.Collection;
import org.springframework.core.CollectionFactory;
import org.springframework.core.convert.ConverterNotFoundException;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.GenericConverter;
/**
* Converts from a source Collection to target Collection type.
@ -39,6 +40,10 @@ final class CollectionToCollectionConverter implements GenericConverter {
this.conversionService = conversionService;
}
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { Collection.class, Collection.class } };
}
@SuppressWarnings("unchecked")
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
if (source == null) {

View File

@ -23,7 +23,7 @@ import java.util.Map;
import org.springframework.core.CollectionFactory;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.style.StylerUtils;
import org.springframework.core.convert.converter.GenericConverter;
/**
* Converts from a Collection to a Map.
@ -39,6 +39,10 @@ final class CollectionToMapConverter implements GenericConverter {
this.conversionService = conversionService;
}
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { Collection.class, Map.class } };
}
@SuppressWarnings("unchecked")
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
if (source == null) {

View File

@ -23,6 +23,7 @@ import java.util.Collection;
import org.springframework.core.convert.ConverterNotFoundException;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.GenericConverter;
/**
* Converts from a Collection to a single Object.
@ -40,6 +41,10 @@ final class CollectionToObjectConverter implements GenericConverter {
this.conversionService = conversionService;
}
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { Collection.class, Object.class } };
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
if (source == null) {
return this.conversionService.convertNullSource(sourceType, targetType);

View File

@ -0,0 +1,63 @@
/*
* Copyright 2002-2009 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.core.convert.support;
import org.springframework.core.convert.ConversionService;
/**
* A factor for creating common ConversionService configurations.
* @author Keith Donald
* @since 3.0
*/
public final class ConversionServiceFactory {
private ConversionServiceFactory() {
}
/**
* Create a default ConversionService.
*/
public static ConversionService createDefault() {
GenericConversionService conversionService = new GenericConversionService();
conversionService.addGenericConverter(new ArrayToArrayConverter(conversionService));
conversionService.addGenericConverter(new ArrayToCollectionConverter(conversionService));
conversionService.addGenericConverter(new ArrayToMapConverter(conversionService));
conversionService.addGenericConverter(new ArrayToObjectConverter(conversionService));
conversionService.addGenericConverter(new CollectionToCollectionConverter(conversionService));
conversionService.addGenericConverter(new CollectionToArrayConverter(conversionService));
conversionService.addGenericConverter(new CollectionToMapConverter(conversionService));
conversionService.addGenericConverter(new CollectionToObjectConverter(conversionService));
conversionService.addGenericConverter(new MapToMapConverter(conversionService));
conversionService.addGenericConverter(new MapToArrayConverter(conversionService));
conversionService.addGenericConverter(new MapToCollectionConverter(conversionService));
conversionService.addGenericConverter(new MapToObjectConverter(conversionService));
conversionService.addGenericConverter(new ObjectToArrayConverter(conversionService));
conversionService.addGenericConverter(new ObjectToCollectionConverter(conversionService));
conversionService.addGenericConverter(new ObjectToMapConverter(conversionService));
conversionService.addConverter(new StringToBooleanConverter());
conversionService.addConverter(new StringToCharacterConverter());
conversionService.addConverter(new StringToLocaleConverter());
conversionService.addConverter(new NumberToCharacterConverter());
conversionService.addConverterFactory(new StringToNumberConverterFactory());
conversionService.addConverterFactory(new StringToEnumConverterFactory());
conversionService.addConverterFactory(new NumberToNumberConverterFactory());
conversionService.addConverterFactory(new CharacterToNumberFactory());
conversionService.addConverter(new ObjectToStringConverter());
conversionService.addGenericConverter(new ObjectToObjectGenericConverter());
return conversionService;
}
}

View File

@ -24,6 +24,7 @@ import java.util.RandomAccess;
import org.springframework.core.convert.ConversionFailedException;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.GenericConverter;
final class ConversionUtils {

View File

@ -1,47 +0,0 @@
/*
* Copyright 2002-2009 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.core.convert.support;
import java.util.Locale;
/**
* Default implementation of a conversion service. Will automatically register <i>from string</i>
* converters for a number of standard Java types like Class, Number, Boolean and so on.
*
* @author Keith Donald
* @author Juergen Hoeller
* @since 3.0
*/
public class DefaultConversionService extends GenericConversionService {
/**
* Create a new default conversion service, installing the default converters.
*/
public DefaultConversionService() {
addConverter(String.class, Boolean.class, new StringToBooleanConverter());
addConverter(String.class, Character.class, new StringToCharacterConverter());
addConverter(String.class, Locale.class, new StringToLocaleConverter());
addConverter(Number.class, Character.class, new NumberToCharacterConverter());
addConverterFactory(String.class, Number.class, new StringToNumberConverterFactory());
addConverterFactory(String.class, Enum.class, new StringToEnumConverterFactory());
addConverterFactory(Number.class, Number.class, new NumberToNumberConverterFactory());
addConverterFactory(Character.class, Number.class, new CharacterToNumberFactory());
addConverter(Object.class, String.class, new ObjectToStringConverter());
addGenericConverter(Object.class, Object.class, new ObjectToObjectGenericConverter());
}
}

View File

@ -0,0 +1,97 @@
/*
* Copyright 2002-2009 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.core.convert.support;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import org.springframework.core.convert.ConversionService;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.ConditionalGenericConverter;
import org.springframework.util.ClassUtils;
import org.springframework.util.ReflectionUtils;
/**
* Converts an entity identifier to a entity reference by calling a static finder method on the target entity type.
* Also converts a entity reference to a String by printing its id property to String.
* For id-to-entity conversion to match, the finder method must be public, static, have the signature 'find[EntityName]([IdType])', and return an instance of the desired entity type.
* For entity-to-string conversion to match, a getter method for the 'id' property must be defined.
* @author Keith Donald
* @since 3.0
*/
final class EntityConverter implements ConditionalGenericConverter {
private ConversionService conversionService;
public EntityConverter(ConversionService conversionService) {
this.conversionService = conversionService;
}
public Class<?>[][] getConvertibleTypes() {
return new Class[][] {
{ Object.class, Object.class },
{ Object.class, String.class }
};
}
public boolean matches(TypeDescriptor sourceType, TypeDescriptor targetType) {
if (String.class.equals(targetType.getType())) {
return getIdAccessor(sourceType.getType()) != null;
} else {
return getFinder(targetType.getType()) != null;
}
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
if (String.class.equals(targetType.getType())) {
Method idAccessor = getIdAccessor(sourceType.getType());
Object id = ReflectionUtils.invokeMethod(idAccessor, source);
return this.conversionService.convert(id, String.class);
} else {
Method finder = getFinder(targetType.getType());
Object id = conversionService.convert(source, sourceType, TypeDescriptor.valueOf(finder.getParameterTypes()[0]));
return ReflectionUtils.invokeMethod(finder, source, id);
}
}
private Method getIdAccessor(Class<?> entityClass) {
return ClassUtils.getMethodIfAvailable(entityClass, "getId");
}
private Method getFinder(Class<?> entityClass) {
String finderMethod = "find" + getEntityName(entityClass);
Method[] methods = entityClass.getDeclaredMethods();
for (Method method : methods) {
if (Modifier.isStatic(method.getModifiers()) && method.getParameterTypes().length == 1) {
if (method.getName().equals(finderMethod)) {
return method;
}
}
}
return null;
}
private String getEntityName(Class<?> entityClass) {
String shortName = ClassUtils.getShortName(entityClass);
int lastDot = shortName.lastIndexOf('.');
if (lastDot != -1) {
return shortName.substring(lastDot + 1);
} else {
return shortName;
}
}
}

View File

@ -19,12 +19,10 @@ package org.springframework.core.convert.support;
import static org.springframework.core.convert.support.ConversionUtils.invokeConverter;
import java.lang.reflect.Array;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Map;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@ -35,7 +33,9 @@ import org.springframework.core.convert.ConverterNotFoundException;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.Converter;
import org.springframework.core.convert.converter.ConverterFactory;
import org.springframework.core.convert.converter.ConverterMatcher;
import org.springframework.core.convert.converter.ConverterRegistry;
import org.springframework.core.convert.converter.GenericConverter;
import org.springframework.util.Assert;
import org.springframework.util.ClassUtils;
@ -50,6 +50,10 @@ public class GenericConversionService implements ConversionService, ConverterReg
private static final Log logger = LogFactory.getLog(GenericConversionService.class);
private static final GenericConverter NO_OP_CONVERTER = new GenericConverter() {
public Class<?>[][] getConvertibleTypes() {
return null;
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
return source;
}
@ -57,68 +61,6 @@ public class GenericConversionService implements ConversionService, ConverterReg
private final Map<Class<?>, Map<Class<?>, MatchableConverters>> converters = new HashMap<Class<?>, Map<Class<?>, MatchableConverters>>(36);
private ConversionService parent;
private GenericConverter parentConverterAdapter = new GenericConverter() {
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
return parent.convert(source, sourceType, targetType);
}
};
public GenericConversionService() {
addGenericConverter(Object[].class, Object[].class, new ArrayToArrayConverter(this));
addGenericConverter(Object[].class, Collection.class, new ArrayToCollectionConverter(this));
addGenericConverter(Object[].class, Map.class, new ArrayToMapConverter(this));
addGenericConverter(Object[].class, Object.class, new ArrayToObjectConverter(this));
addGenericConverter(Collection.class, Collection.class, new CollectionToCollectionConverter(this));
addGenericConverter(Collection.class, Object[].class, new CollectionToArrayConverter(this));
addGenericConverter(Collection.class, Map.class, new CollectionToMapConverter(this));
addGenericConverter(Collection.class, Object.class, new CollectionToObjectConverter(this));
addGenericConverter(Map.class, Map.class, new MapToMapConverter(this));
addGenericConverter(Map.class, Object[].class, new MapToArrayConverter(this));
addGenericConverter(Map.class, Collection.class, new MapToCollectionConverter(this));
addGenericConverter(Map.class, Object.class, new MapToObjectConverter(this));
addGenericConverter(Object.class, Object[].class, new ObjectToArrayConverter(this));
addGenericConverter(Object.class, Collection.class, new ObjectToCollectionConverter(this));
addGenericConverter(Object.class, Map.class, new ObjectToMapConverter(this));
}
/**
* Registers the converters in the set provided.
* JavaBean-friendly alternative to calling {@link #addConverter(Converter)}.
* @see #addConverter(Converter)
*/
public void setConverters(Set<Converter<?, ?>> converters) {
for (Converter<?, ?> converter : converters) {
addConverter(converter);
}
}
/**
* Registers the converter factories in the set provided.
* JavaBean-friendly alternative to calling {@link #addConverterFactory(ConverterFactory)}.
* @see #addConverterFactory(ConverterFactory)
*/
public void setConverterFactories(Set<ConverterFactory<?, ?>> converters) {
for (ConverterFactory<?, ?> converterFactory : converters) {
addConverterFactory(converterFactory);
}
}
/**
* Set the parent of this conversion service. This is optional.
*/
public void setParent(ConversionService parent) {
this.parent = parent;
}
/**
* Returns the parent of this conversion service. May be null.
*/
public ConversionService getParent() {
return this.parent;
}
// implementing ConverterRegistry
public void addConverter(Converter<?, ?> converter) {
@ -127,9 +69,7 @@ public class GenericConversionService implements ConversionService, ConverterReg
throw new IllegalArgumentException(
"Unable to the determine sourceType <S> and targetType <T> your Converter<S, T> converts between; declare these types or implement ConverterInfo");
}
Class<?> sourceType = typeInfo[0];
Class<?> targetType = typeInfo[1];
addConverter(sourceType, targetType, converter);
addGenericConverter(new ConverterAdapter(typeInfo, converter));
}
public void addConverterFactory(ConverterFactory<?, ?> converterFactory) {
@ -138,11 +78,16 @@ public class GenericConversionService implements ConversionService, ConverterReg
throw new IllegalArgumentException(
"Unable to the determine sourceType <S> and targetRangeType R your ConverterFactory<S, R> converts between; declare these types or implement ConverterInfo");
}
Class<?> sourceType = typeInfo[0];
Class<?> targetType = typeInfo[1];
addConverterFactory(sourceType, targetType, converterFactory);
addGenericConverter(new ConverterFactoryAdapter(typeInfo, converterFactory));
}
public void addGenericConverter(GenericConverter converter) {
Class<?>[][] convertibleTypes = converter.getConvertibleTypes();
for (Class<?>[] convertibleType : convertibleTypes) {
getMatchableConvertersList(convertibleType[0], convertibleType[1]).add(converter);
}
}
public void removeConvertible(Class<?> sourceType, Class<?> targetType) {
getSourceConverterMap(sourceType).remove(targetType);
}
@ -182,50 +127,6 @@ public class GenericConversionService implements ConversionService, ConverterReg
return invokeConverter(converter, source, sourceType, targetType);
}
/**
* Registers a GenericConverter for the source/target type pair.
* @param sourceType the source type to convert from
* @param targetType the target type to convert to
* @param converter the generic converter.
*/
public void addGenericConverter(Class<?> sourceType, Class<?> targetType, GenericConverter converter) {
getMatchableConvertersList(sourceType, targetType).add(converter);
}
/**
* Registers a GenericConverter for the source/target type pair that will only be matched if the provided matcher returns true.
* @param sourceType the source type to convert from
* @param targetType the target type to convert to
* @param matcher a matcher can restrict a match of the converter based on source and target runtime field types
* @param converter the generic converter.
*/
public void addGenericConverter(Class<?> sourceType, Class<?> targetType, GenericConverter converter,
ConverterMatcher matcher) {
getMatchableConvertersList(sourceType, targetType).add(matcher, converter);
}
/**
* Registers a Converter with the sourceType and targetType to index on specified explicitly.
* This method performs better than {@link #addConverter(Converter)} because there parameterized types S and T don't have to be discovered.
* @param sourceType the source type to convert from
* @param targetType the target type to convert to
* @param converter the converter.
*/
public void addConverter(Class<?> sourceType, Class<?> targetType, Converter<?, ?> converter) {
addGenericConverter(sourceType, targetType, new ConverterAdapter(converter));
}
/**
* Registers a ConverterFactory with the sourceType and targetType to index on specified explicitly.
* This method performs better than {@link #addConverter(ConverterFactory)} because there parameterized types S and T don't have to be discovered.
* @param sourceType the source type to convert from
* @param targetType the target type to convert to
* @param converter the converter.factory
*/
public void addConverterFactory(Class<?> sourceType, Class<?> targetType, ConverterFactory<?, ?> converterFactory) {
addGenericConverter(sourceType, targetType, new ConverterFactoryAdapter(converterFactory));
}
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append("ConversionService converters = ").append("\n");
@ -236,9 +137,6 @@ public class GenericConversionService implements ConversionService, ConverterReg
builder.append("\n");
}
}
if (this.parent != null) {
builder.append("parent = ").append(this.parent);
}
return builder.toString();
}
@ -275,8 +173,6 @@ public class GenericConversionService implements ConversionService, ConverterReg
GenericConverter converter = findConverterForClassPair(sourceType, targetType);
if (converter != null) {
return converter;
} else if (this.parent != null && this.parent.canConvert(sourceType, targetType)) {
return this.parentConverterAdapter;
} else {
return getDefaultConverter(sourceType, targetType);
}
@ -443,10 +339,17 @@ public class GenericConversionService implements ConversionService, ConverterReg
@SuppressWarnings("unchecked")
private final class ConverterAdapter implements GenericConverter {
private final Class<?>[] typeInfo;
private final Converter converter;
public ConverterAdapter(Converter<?, ?> converter) {
public ConverterAdapter(Class<?>[] typeInfo, Converter<?, ?> converter) {
this.converter = converter;
this.typeInfo = typeInfo;
}
public Class<?>[][] getConvertibleTypes() {
return new Class[][] { this.typeInfo };
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
@ -464,12 +367,19 @@ public class GenericConversionService implements ConversionService, ConverterReg
@SuppressWarnings("unchecked")
private final class ConverterFactoryAdapter implements GenericConverter {
private final Class<?>[] typeInfo;
private final ConverterFactory converterFactory;
public ConverterFactoryAdapter(ConverterFactory<?, ?> converterFactory) {
public ConverterFactoryAdapter(Class<?>[] typeInfo, ConverterFactory<?, ?> converterFactory) {
this.converterFactory = converterFactory;
this.typeInfo = typeInfo;
}
public Class<?>[][] getConvertibleTypes() {
return new Class[][] { this.typeInfo };
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
if (source == null) {
return convertNullSource(sourceType, targetType);

View File

@ -20,6 +20,7 @@ import static org.springframework.core.convert.support.ConversionUtils.invokeCon
import org.springframework.core.convert.ConverterNotFoundException;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.GenericConverter;
/**
* Helper for converting map entries.

View File

@ -17,8 +17,10 @@
package org.springframework.core.convert.support;
import java.util.List;
import java.util.Map;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.GenericConverter;
/**
* Converts from a Map to an array.
@ -37,6 +39,10 @@ final class MapToArrayConverter implements GenericConverter {
this.collectionToArrayHelperConverter = new CollectionToArrayConverter(conversionService);
}
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { Map.class, Object[].class } };
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
TypeDescriptor collectionType = TypeDescriptor.collection(List.class, targetType.getElementTypeDescriptor());
Object collection = this.mapToCollectionHelperConverter.convert(source, sourceType, collectionType);

View File

@ -23,6 +23,7 @@ import java.util.Map;
import org.springframework.core.CollectionFactory;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.GenericConverter;
/**
* Converts from a Map to a Collection.
@ -38,6 +39,10 @@ final class MapToCollectionConverter implements GenericConverter {
this.conversionService = conversionService;
}
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { Map.class, Collection.class } };
}
@SuppressWarnings("unchecked")
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
if (source == null) {

View File

@ -22,6 +22,7 @@ import java.util.Map;
import org.springframework.core.CollectionFactory;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.GenericConverter;
/**
* Converts from a source Map to a target Map type.
@ -37,6 +38,10 @@ final class MapToMapConverter implements GenericConverter {
this.conversionService = conversionService;
}
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { Map.class, Map.class } };
}
@SuppressWarnings("unchecked")
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
if (source == null) {

View File

@ -24,6 +24,7 @@ import java.util.Map;
import java.util.Properties;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.GenericConverter;
/**
* Converts from a Map to a single Object.
@ -39,6 +40,10 @@ final class MapToObjectConverter implements GenericConverter {
this.conversionService = conversionService;
}
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { Map.class, Object.class } };
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
if (source == null) {
return this.conversionService.convertNullSource(sourceType, targetType);

View File

@ -22,6 +22,7 @@ import java.lang.reflect.Array;
import org.springframework.core.convert.ConverterNotFoundException;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.GenericConverter;
import org.springframework.util.StringUtils;
/**
@ -38,6 +39,10 @@ final class ObjectToArrayConverter implements GenericConverter {
this.conversionService = conversionService;
}
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { Object.class, Object[].class } };
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
if (source == null) {
return this.conversionService.convertNullSource(sourceType, targetType);

View File

@ -23,6 +23,7 @@ import java.util.Collection;
import org.springframework.core.CollectionFactory;
import org.springframework.core.convert.ConverterNotFoundException;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.GenericConverter;
import org.springframework.util.StringUtils;
/**
@ -39,6 +40,10 @@ final class ObjectToCollectionConverter implements GenericConverter {
this.conversionService = conversionService;
}
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { Object.class, Collection.class } };
}
@SuppressWarnings("unchecked")
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
if (source == null) {

View File

@ -22,6 +22,7 @@ import java.util.Properties;
import org.springframework.core.CollectionFactory;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.GenericConverter;
/**
* Converts from a single Object to a Map.
@ -37,6 +38,10 @@ final class ObjectToMapConverter implements GenericConverter {
this.conversionService = conversionService;
}
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { Object.class, Map.class } };
}
@SuppressWarnings("unchecked")
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
if (source == null) {

View File

@ -22,6 +22,7 @@ import java.lang.reflect.Method;
import org.springframework.core.convert.ConversionFailedException;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.ConditionalGenericConverter;
import org.springframework.util.ClassUtils;
import org.springframework.util.ReflectionUtils;
@ -42,6 +43,10 @@ final class ObjectToObjectGenericConverter implements ConditionalGenericConverte
return getValueOfMethodOn(targetClass, sourceClass) != null || getConstructor(targetClass, sourceClass) != null;
}
public Class<?>[][] getConvertibleTypes() {
return new Class<?>[][] { { Object.class, Object.class } };
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
if (sourceType.isAssignableTo(targetType)) {
return source;

View File

@ -24,7 +24,7 @@ import java.math.BigInteger;
import java.util.Locale;
import org.junit.Test;
import org.springframework.core.convert.ConversionFailedException;
import org.springframework.core.convert.ConversionService;
import org.springframework.core.convert.ConverterNotFoundException;
import org.springframework.core.convert.converter.Converter;
@ -186,20 +186,20 @@ public class DefaultConversionServiceTests {
@Test
public void convertObjectToObjectValueOFMethod() {
DefaultConversionService conversionService = new DefaultConversionService();
ConversionService conversionService = ConversionServiceFactory.createDefault();
assertEquals(new Integer(3), conversionService.convert("3", Integer.class));
}
@Test
public void convertObjectToObjectConstructor() {
DefaultConversionService conversionService = new DefaultConversionService();
ConversionService conversionService = ConversionServiceFactory.createDefault();
assertEquals(new SSN("123456789"), conversionService.convert("123456789", SSN.class));
assertEquals("123456789", conversionService.convert(new SSN("123456789"), String.class));
}
@Test(expected=ConverterNotFoundException.class)
public void convertObjectToObjectNoValueOFMethodOrConstructor() {
DefaultConversionService conversionService = new DefaultConversionService();
ConversionService conversionService = ConversionServiceFactory.createDefault();
conversionService.convert(new Long(3), SSN.class);
}

View File

@ -146,8 +146,7 @@ public class GenericConversionServiceTests {
@Test
public void convertArrayToArray() {
conversionService.addGenericConverter(Object[].class, Object[].class, new ArrayToArrayConverter(
conversionService));
conversionService.addGenericConverter(new ArrayToArrayConverter(conversionService));
conversionService.addConverterFactory(new StringToNumberConverterFactory());
Integer[] result = conversionService.convert(new String[] { "1", "2", "3" }, Integer[].class);
assertEquals(new Integer(1), result[0]);
@ -157,8 +156,7 @@ public class GenericConversionServiceTests {
@Test
public void convertArrayToPrimitiveArray() {
conversionService.addGenericConverter(Object[].class, Object[].class, new ArrayToArrayConverter(
conversionService));
conversionService.addGenericConverter(new ArrayToArrayConverter(conversionService));
conversionService.addConverterFactory(new StringToNumberConverterFactory());
int[] result = conversionService.convert(new String[] { "1", "2", "3" }, int[].class);
assertEquals(1, result[0]);
@ -176,8 +174,7 @@ public class GenericConversionServiceTests {
@Test
public void convertArrayToListInterface() {
conversionService.addGenericConverter(Object[].class, Collection.class, new ArrayToCollectionConverter(
conversionService));
conversionService.addGenericConverter(new ArrayToCollectionConverter(conversionService));
List<?> result = conversionService.convert(new String[] { "1", "2", "3" }, List.class);
assertEquals("1", result.get(0));
assertEquals("2", result.get(1));
@ -188,8 +185,7 @@ public class GenericConversionServiceTests {
@Test
public void convertArrayToListGenericTypeConversion() throws Exception {
conversionService.addGenericConverter(Object[].class, Collection.class, new ArrayToCollectionConverter(
conversionService));
conversionService.addGenericConverter(new ArrayToCollectionConverter(conversionService));
conversionService.addConverterFactory(new StringToNumberConverterFactory());
List<Integer> result = (List<Integer>) conversionService.convert(new String[] { "1", "2", "3" }, TypeDescriptor
.valueOf(String[].class), new TypeDescriptor(getClass().getDeclaredField("genericList")));
@ -200,8 +196,7 @@ public class GenericConversionServiceTests {
@Test
public void convertArrayToListImpl() {
conversionService.addGenericConverter(Object[].class, Collection.class, new ArrayToCollectionConverter(
conversionService));
conversionService.addGenericConverter(new ArrayToCollectionConverter(conversionService));
LinkedList<?> result = conversionService.convert(new String[] { "1", "2", "3" }, LinkedList.class);
assertEquals("1", result.get(0));
assertEquals("2", result.get(1));
@ -210,14 +205,13 @@ public class GenericConversionServiceTests {
@Test(expected = ConversionFailedException.class)
public void convertArrayToAbstractList() {
conversionService.addGenericConverter(Object[].class, Collection.class, new ArrayToCollectionConverter(
conversionService));
conversionService.addGenericConverter(new ArrayToCollectionConverter(conversionService));
conversionService.convert(new String[] { "1", "2", "3" }, AbstractList.class);
}
@Test
public void convertArrayToMap() {
conversionService.addGenericConverter(Object[].class, Map.class, new ArrayToMapConverter(conversionService));
conversionService.addGenericConverter(new ArrayToMapConverter(conversionService));
Map result = conversionService.convert(new String[] { "foo=bar", "bar=baz", "baz=boop" }, Map.class);
assertEquals("bar", result.get("foo"));
assertEquals("baz", result.get("bar"));
@ -226,7 +220,7 @@ public class GenericConversionServiceTests {
@Test
public void convertArrayToMapWithElementConversion() throws Exception {
conversionService.addGenericConverter(Object[].class, Map.class, new ArrayToMapConverter(conversionService));
conversionService.addGenericConverter(new ArrayToMapConverter(conversionService));
conversionService.addConverterFactory(new StringToNumberConverterFactory());
conversionService.addConverterFactory(new StringToEnumConverterFactory());
Map result = (Map) conversionService.convert(new String[] { "1=BAR", "2=BAZ" }, TypeDescriptor
@ -237,16 +231,14 @@ public class GenericConversionServiceTests {
@Test
public void convertArrayToString() {
conversionService.addGenericConverter(Object[].class, Object.class, new ArrayToObjectConverter(
conversionService));
conversionService.addGenericConverter(new ArrayToObjectConverter(conversionService));
String result = conversionService.convert(new String[] { "1", "2", "3" }, String.class);
assertEquals("1,2,3", result);
}
@Test
public void convertArrayToStringWithElementConversion() {
conversionService.addGenericConverter(Object[].class, Object.class, new ArrayToObjectConverter(
conversionService));
conversionService.addGenericConverter(new ArrayToObjectConverter(conversionService));
conversionService.addConverter(new ObjectToStringConverter());
String result = conversionService.convert(new Integer[] { 1, 2, 3 }, String.class);
assertEquals("1,2,3", result);
@ -254,16 +246,14 @@ public class GenericConversionServiceTests {
@Test
public void convertEmptyArrayToString() {
conversionService.addGenericConverter(Object[].class, Object.class, new ArrayToObjectConverter(
conversionService));
conversionService.addGenericConverter(new ArrayToObjectConverter(conversionService));
String result = conversionService.convert(new String[0], String.class);
assertEquals("", result);
}
@Test
public void convertArrayToObject() {
conversionService.addGenericConverter(Object[].class, Object.class, new ArrayToObjectConverter(
conversionService));
conversionService.addGenericConverter(new ArrayToObjectConverter(conversionService));
Object[] array = new Object[] { 3L };
Object result = conversionService.convert(array, Object.class);
assertEquals(3L, result);
@ -271,8 +261,7 @@ public class GenericConversionServiceTests {
@Test
public void convertArrayToObjectWithElementConversion() {
conversionService.addGenericConverter(Object[].class, Object.class, new ArrayToObjectConverter(
conversionService));
conversionService.addGenericConverter(new ArrayToObjectConverter(conversionService));
conversionService.addConverterFactory(new StringToNumberConverterFactory());
String[] array = new String[] { "3" };
Integer result = conversionService.convert(array, Integer.class);
@ -281,8 +270,7 @@ public class GenericConversionServiceTests {
@Test
public void convertCollectionToArray() {
conversionService.addGenericConverter(Collection.class, Object[].class, new CollectionToArrayConverter(
conversionService));
conversionService.addGenericConverter(new CollectionToArrayConverter(conversionService));
List<String> list = new ArrayList<String>();
list.add("1");
list.add("2");
@ -295,8 +283,7 @@ public class GenericConversionServiceTests {
@Test
public void convertCollectionToArrayWithElementConversion() {
conversionService.addGenericConverter(Collection.class, Object[].class, new CollectionToArrayConverter(
conversionService));
conversionService.addGenericConverter(new CollectionToArrayConverter(conversionService));
conversionService.addConverterFactory(new StringToNumberConverterFactory());
List<String> list = new ArrayList<String>();
list.add("1");
@ -310,8 +297,7 @@ public class GenericConversionServiceTests {
@Test
public void convertCollectionToCollection() throws Exception {
conversionService.addGenericConverter(Collection.class, Collection.class, new CollectionToCollectionConverter(
conversionService));
conversionService.addGenericConverter(new CollectionToCollectionConverter(conversionService));
conversionService.addConverterFactory(new StringToNumberConverterFactory());
Set<String> foo = new LinkedHashSet<String>();
foo.add("1");
@ -326,8 +312,7 @@ public class GenericConversionServiceTests {
@Test
public void convertCollectionToCollectionNull() throws Exception {
conversionService.addGenericConverter(Collection.class, Collection.class, new CollectionToCollectionConverter(
conversionService));
conversionService.addGenericConverter(new CollectionToCollectionConverter(conversionService));
List<Integer> bar = (List<Integer>) conversionService.convert(null,
TypeDescriptor.valueOf(LinkedHashSet.class), new TypeDescriptor(getClass().getField("genericList")));
assertNull(bar);
@ -335,8 +320,7 @@ public class GenericConversionServiceTests {
@Test
public void convertCollectionToCollectionNotGeneric() throws Exception {
conversionService.addGenericConverter(Collection.class, Collection.class, new CollectionToCollectionConverter(
conversionService));
conversionService.addGenericConverter(new CollectionToCollectionConverter(conversionService));
conversionService.addConverterFactory(new StringToNumberConverterFactory());
Set<String> foo = new LinkedHashSet<String>();
foo.add("1");
@ -351,8 +335,7 @@ public class GenericConversionServiceTests {
@Test
public void convertCollectionToCollectionSpecialCaseSourceImpl() throws Exception {
conversionService.addGenericConverter(Collection.class, Collection.class, new CollectionToCollectionConverter(
conversionService));
conversionService.addGenericConverter(new CollectionToCollectionConverter(conversionService));
conversionService.addConverterFactory(new StringToNumberConverterFactory());
Map map = new LinkedHashMap();
map.put("1", "1");
@ -369,8 +352,7 @@ public class GenericConversionServiceTests {
@Test
public void convertCollectionToMap() {
conversionService.addGenericConverter(Collection.class, Map.class, new CollectionToMapConverter(
conversionService));
conversionService.addGenericConverter(new CollectionToMapConverter(conversionService));
List<String> list = new ArrayList<String>();
list.add("foo=bar");
list.add("bar=baz");
@ -383,8 +365,7 @@ public class GenericConversionServiceTests {
@Test
public void convertCollectionToMapWithElementConversion() throws Exception {
conversionService.addGenericConverter(Collection.class, Map.class, new CollectionToMapConverter(
conversionService));
conversionService.addGenericConverter(new CollectionToMapConverter(conversionService));
conversionService.addConverterFactory(new StringToNumberConverterFactory());
conversionService.addConverterFactory(new StringToEnumConverterFactory());
List<String> list = new ArrayList<String>();
@ -398,8 +379,7 @@ public class GenericConversionServiceTests {
@Test
public void convertCollectionToString() {
conversionService.addGenericConverter(Collection.class, Object.class, new CollectionToObjectConverter(
conversionService));
conversionService.addGenericConverter(new CollectionToObjectConverter(conversionService));
List<String> list = Arrays.asList(new String[] { "foo", "bar" });
String result = conversionService.convert(list, String.class);
assertEquals("foo,bar", result);
@ -407,8 +387,7 @@ public class GenericConversionServiceTests {
@Test
public void convertCollectionToStringWithElementConversion() throws Exception {
conversionService.addGenericConverter(Collection.class, Object.class, new CollectionToObjectConverter(
conversionService));
conversionService.addGenericConverter(new CollectionToObjectConverter(conversionService));
conversionService.addConverter(new ObjectToStringConverter());
List<Integer> list = Arrays.asList(new Integer[] { 3, 5 });
String result = (String) conversionService.convert(list,
@ -418,8 +397,7 @@ public class GenericConversionServiceTests {
@Test
public void convertCollectionToObject() {
conversionService.addGenericConverter(Collection.class, Object.class, new CollectionToObjectConverter(
conversionService));
conversionService.addGenericConverter(new CollectionToObjectConverter(conversionService));
List<Long> list = Collections.singletonList(3L);
Long result = conversionService.convert(list, Long.class);
assertEquals(new Long(3), result);
@ -427,8 +405,7 @@ public class GenericConversionServiceTests {
@Test
public void convertCollectionToObjectWithElementConversion() {
conversionService.addGenericConverter(Collection.class, Object.class, new CollectionToObjectConverter(
conversionService));
conversionService.addGenericConverter(new CollectionToObjectConverter(conversionService));
conversionService.addConverterFactory(new StringToNumberConverterFactory());
List<String> list = Collections.singletonList("3");
Integer result = conversionService.convert(list, Integer.class);
@ -439,7 +416,7 @@ public class GenericConversionServiceTests {
@Test
public void convertMapToMap() throws Exception {
conversionService.addGenericConverter(Map.class, Map.class, new MapToMapConverter(conversionService));
conversionService.addGenericConverter(new MapToMapConverter(conversionService));
conversionService.addConverterFactory(new StringToNumberConverterFactory());
conversionService.addConverterFactory(new StringToEnumConverterFactory());
Map<String, String> foo = new HashMap<String, String>();
@ -453,7 +430,7 @@ public class GenericConversionServiceTests {
@Test
public void convertMapToStringArray() throws Exception {
conversionService.addGenericConverter(Map.class, Object[].class, new MapToArrayConverter(conversionService));
conversionService.addGenericConverter(new MapToArrayConverter(conversionService));
Map<String, String> foo = new LinkedHashMap<String, String>();
foo.put("1", "BAR");
foo.put("2", "BAZ");
@ -464,7 +441,7 @@ public class GenericConversionServiceTests {
@Test
public void convertMapToStringArrayWithElementConversion() throws Exception {
conversionService.addGenericConverter(Map.class, Object[].class, new MapToArrayConverter(conversionService));
conversionService.addGenericConverter(new MapToArrayConverter(conversionService));
conversionService.addConverter(new ObjectToStringConverter());
Map<Integer, FooEnum> foo = new LinkedHashMap<Integer, FooEnum>();
foo.put(1, FooEnum.BAR);
@ -477,7 +454,7 @@ public class GenericConversionServiceTests {
@Test
public void convertMapToString() {
conversionService.addGenericConverter(Map.class, Object.class, new MapToObjectConverter(conversionService));
conversionService.addGenericConverter(new MapToObjectConverter(conversionService));
Map<String, String> foo = new LinkedHashMap<String, String>();
foo.put("1", "BAR");
foo.put("2", "BAZ");
@ -489,7 +466,7 @@ public class GenericConversionServiceTests {
@Test
public void convertMapToStringWithConversion() throws Exception {
conversionService.addGenericConverter(Map.class, Object.class, new MapToObjectConverter(conversionService));
conversionService.addGenericConverter(new MapToObjectConverter(conversionService));
Map<Integer, FooEnum> foo = new LinkedHashMap<Integer, FooEnum>();
foo.put(1, FooEnum.BAR);
foo.put(2, FooEnum.BAZ);
@ -502,7 +479,7 @@ public class GenericConversionServiceTests {
@Test
public void convertMapToObject() {
conversionService.addGenericConverter(Map.class, Object.class, new MapToObjectConverter(conversionService));
conversionService.addGenericConverter(new MapToObjectConverter(conversionService));
Map<Long, Long> foo = new LinkedHashMap<Long, Long>();
foo.put(1L, 1L);
foo.put(2L, 2L);
@ -514,7 +491,7 @@ public class GenericConversionServiceTests {
@Test
public void convertMapToObjectWithConversion() throws Exception {
conversionService.addGenericConverter(Map.class, Object.class, new MapToObjectConverter(conversionService));
conversionService.addGenericConverter(new MapToObjectConverter(conversionService));
conversionService.addConverterFactory(new NumberToNumberConverterFactory());
Map<Long, Long> foo = new LinkedHashMap<Long, Long>();
foo.put(1L, 1L);
@ -526,8 +503,7 @@ public class GenericConversionServiceTests {
@Test
public void convertStringToArray() {
conversionService.addGenericConverter(Object.class, Object[].class, new ObjectToArrayConverter(
conversionService));
conversionService.addGenericConverter(new ObjectToArrayConverter(conversionService));
String[] result = conversionService.convert("1,2,3", String[].class);
assertEquals(3, result.length);
assertEquals("1", result[0]);
@ -537,8 +513,7 @@ public class GenericConversionServiceTests {
@Test
public void convertStringToArrayWithElementConversion() {
conversionService.addGenericConverter(Object.class, Object[].class, new ObjectToArrayConverter(
conversionService));
conversionService.addGenericConverter(new ObjectToArrayConverter(conversionService));
conversionService.addConverterFactory(new StringToNumberConverterFactory());
Integer[] result = conversionService.convert("1,2,3", Integer[].class);
assertEquals(3, result.length);
@ -549,16 +524,14 @@ public class GenericConversionServiceTests {
@Test
public void convertEmptyStringToArray() {
conversionService.addGenericConverter(Object.class, Object[].class, new ObjectToArrayConverter(
conversionService));
conversionService.addGenericConverter(new ObjectToArrayConverter(conversionService));
String[] result = conversionService.convert("", String[].class);
assertEquals(0, result.length);
}
@Test
public void convertObjectToArray() {
conversionService.addGenericConverter(Object.class, Object[].class, new ObjectToArrayConverter(
conversionService));
conversionService.addGenericConverter(new ObjectToArrayConverter(conversionService));
Object[] result = conversionService.convert(3L, Object[].class);
assertEquals(1, result.length);
assertEquals(3L, result[0]);
@ -566,8 +539,7 @@ public class GenericConversionServiceTests {
@Test
public void convertObjectToArrayWithElementConversion() {
conversionService.addGenericConverter(Object.class, Object[].class, new ObjectToArrayConverter(
conversionService));
conversionService.addGenericConverter(new ObjectToArrayConverter(conversionService));
conversionService.addConverterFactory(new NumberToNumberConverterFactory());
Integer[] result = conversionService.convert(3L, Integer[].class);
assertEquals(1, result.length);
@ -576,8 +548,7 @@ public class GenericConversionServiceTests {
@Test
public void convertStringToCollection() {
conversionService.addGenericConverter(Object.class, Collection.class, new ObjectToCollectionConverter(
conversionService));
conversionService.addGenericConverter(new ObjectToCollectionConverter(conversionService));
List result = conversionService.convert("1,2,3", List.class);
assertEquals(3, result.size());
assertEquals("1", result.get(0));
@ -587,8 +558,7 @@ public class GenericConversionServiceTests {
@Test
public void convertStringToCollectionWithElementConversion() throws Exception {
conversionService.addGenericConverter(Object.class, Collection.class, new ObjectToCollectionConverter(
conversionService));
conversionService.addGenericConverter(new ObjectToCollectionConverter(conversionService));
conversionService.addConverterFactory(new StringToNumberConverterFactory());
List result = (List) conversionService.convert("1,2,3", TypeDescriptor.valueOf(String.class),
new TypeDescriptor(getClass().getField("genericList")));
@ -600,16 +570,14 @@ public class GenericConversionServiceTests {
@Test
public void convertEmptyStringToCollection() {
conversionService.addGenericConverter(Object.class, Collection.class, new ObjectToCollectionConverter(
conversionService));
conversionService.addGenericConverter(new ObjectToCollectionConverter(conversionService));
Collection result = conversionService.convert("", Collection.class);
assertEquals(0, result.size());
}
@Test
public void convertObjectToCollection() {
conversionService.addGenericConverter(Object.class, Collection.class, new ObjectToCollectionConverter(
conversionService));
conversionService.addGenericConverter(new ObjectToCollectionConverter(conversionService));
List<String> result = (List<String>) conversionService.convert(3L, List.class);
assertEquals(1, result.size());
assertEquals(3L, result.get(0));
@ -617,8 +585,7 @@ public class GenericConversionServiceTests {
@Test
public void convertObjectToCollectionWithElementConversion() throws Exception {
conversionService.addGenericConverter(Object.class, Collection.class, new ObjectToCollectionConverter(
conversionService));
conversionService.addGenericConverter(new ObjectToCollectionConverter(conversionService));
conversionService.addConverterFactory(new NumberToNumberConverterFactory());
List<Integer> result = (List<Integer>) conversionService.convert(3L, TypeDescriptor.valueOf(Long.class),
new TypeDescriptor(getClass().getField("genericList")));
@ -628,7 +595,8 @@ public class GenericConversionServiceTests {
@Test
public void convertStringToMap() {
conversionService.addGenericConverter(Object.class, Map.class, new ObjectToMapConverter(conversionService));
conversionService.addGenericConverter(new ObjectToMapConverter(conversionService));
conversionService.addGenericConverter(new MapToMapConverter(conversionService));
Map result = conversionService.convert(" foo=bar\n bar=baz\n baz=boop", Map.class);
assertEquals("bar", result.get("foo"));
assertEquals("baz", result.get("bar"));
@ -637,7 +605,8 @@ public class GenericConversionServiceTests {
@Test
public void convertStringToMapWithElementConversion() throws Exception {
conversionService.addGenericConverter(Object.class, Map.class, new ObjectToMapConverter(conversionService));
conversionService.addGenericConverter(new ObjectToMapConverter(conversionService));
conversionService.addGenericConverter(new MapToMapConverter(conversionService));
conversionService.addConverterFactory(new StringToNumberConverterFactory());
conversionService.addConverterFactory(new StringToEnumConverterFactory());
Map result = (Map) conversionService.convert("1=BAR\n 2=BAZ", TypeDescriptor.valueOf(String.class),
@ -648,14 +617,14 @@ public class GenericConversionServiceTests {
@Test
public void convertObjectToMap() {
conversionService.addGenericConverter(Object.class, Map.class, new ObjectToMapConverter(conversionService));
conversionService.addGenericConverter(new ObjectToMapConverter(conversionService));
Map result = conversionService.convert(new Integer(3), Map.class);
assertEquals(new Integer(3), result.get(new Integer(3)));
}
@Test
public void convertObjectToMapWithConversion() throws Exception {
conversionService.addGenericConverter(Object.class, Map.class, new ObjectToMapConverter(conversionService));
conversionService.addGenericConverter(new ObjectToMapConverter(conversionService));
conversionService.addConverterFactory(new NumberToNumberConverterFactory());
Map result = (Map) conversionService.convert(1L, TypeDescriptor.valueOf(Integer.class), new TypeDescriptor(
getClass().getField("genericMap2")));
@ -664,8 +633,7 @@ public class GenericConversionServiceTests {
@Test
public void genericConverterDelegatingBackToConversionServiceConverterNotFound() {
conversionService.addGenericConverter(Object.class, Object[].class, new ObjectToArrayConverter(
conversionService));
conversionService.addGenericConverter(new ObjectToArrayConverter(conversionService));
try {
conversionService.convert("1", Integer[].class);
} catch (ConversionFailedException e) {
@ -673,18 +641,6 @@ public class GenericConversionServiceTests {
}
}
@Test
public void parent() {
GenericConversionService parent = new GenericConversionService();
conversionService.setParent(parent);
assertFalse(conversionService.canConvert(String.class, Integer.class));
try {
conversionService.convert("3", Integer.class);
} catch (ConverterNotFoundException e) {
}
}
public static enum FooEnum {
BAR, BAZ
}

View File

@ -20,7 +20,7 @@ import org.springframework.core.convert.ConversionException;
import org.springframework.core.convert.ConversionService;
import org.springframework.core.convert.ConverterNotFoundException;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.support.DefaultConversionService;
import org.springframework.core.convert.support.ConversionServiceFactory;
import org.springframework.expression.EvaluationException;
import org.springframework.expression.TypeConverter;
import org.springframework.expression.spel.SpelEvaluationException;
@ -40,7 +40,7 @@ public class StandardTypeConverter implements TypeConverter {
private final ConversionService conversionService;
public StandardTypeConverter() {
this.conversionService = new DefaultConversionService();
this.conversionService = ConversionServiceFactory.createDefault();
}
public StandardTypeConverter(ConversionService conversionService) {

View File

@ -23,8 +23,9 @@ import junit.framework.Assert;
import org.junit.Before;
import org.junit.Test;
import org.springframework.core.convert.ConversionService;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.support.DefaultConversionService;
import org.springframework.core.convert.support.ConversionServiceFactory;
import org.springframework.expression.EvaluationException;
import org.springframework.expression.Expression;
import org.springframework.expression.TypeConverter;
@ -98,7 +99,7 @@ public class ExpressionTestsUsingCoreConversionService extends ExpressionTestCas
*/
private static class TypeConvertorUsingConversionService implements TypeConverter {
private final DefaultConversionService service = new DefaultConversionService();
private final ConversionService service = ConversionServiceFactory.createDefault();
public boolean canConvert(Class<?> sourceType, Class<?> targetType) {
return this.service.canConvert(sourceType, targetType);

View File

@ -20,9 +20,7 @@ import java.util.List;
import org.junit.Assert;
import org.junit.Test;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.support.DefaultConversionService;
import org.springframework.expression.EvaluationException;
import org.springframework.expression.Operation;
import org.springframework.expression.OperatorOverloader;
@ -73,7 +71,7 @@ public class StandardComponentsTests {
@Test
public void testStandardTypeConverter() throws EvaluationException {
TypeConverter tc = new StandardTypeConverter(new DefaultConversionService());
TypeConverter tc = new StandardTypeConverter();
tc.convertValue(3, TypeDescriptor.valueOf(Double.class));
}

View File

@ -13,7 +13,6 @@ import javax.validation.constraints.NotNull;
import org.junit.Before;
import org.junit.Test;
import org.springframework.beans.ConversionNotSupportedException;
import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.context.i18n.LocaleContextHolder;
import org.springframework.core.convert.ConversionFailedException;

View File

@ -7,6 +7,6 @@
<mvc:annotation-driven conversion-service="conversionService" />
<bean id="conversionService" class="org.springframework.core.convert.support.DefaultConversionService" />
<bean id="conversionService" class="org.springframework.core.convert.support.ConversionServiceFactory" factory-method="createDefault" />
</beans>