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restored original GenericConversionService behavior with respect to empty collections/maps; restored original FormattingConversionService behavior with respect to the use of subtypes; fixed collection element resolution when using a ConversionService with a DataBinder

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This commit is contained in:
Juergen Hoeller
2011-06-13 23:40:22 +00:00
parent 6cb6bd751e
commit 43f8eca91b
4 changed files with 109 additions and 30 deletions
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6
org.springframework.context/src/main/java/org/springframework/format/support/FormattingConversionService.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2010 the original author or authors.
* Copyright 2002-2011 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.
@@ -95,7 +95,7 @@ public class FormattingConversionService extends GenericConversionService
return (sourceType.getAnnotation(annotationType) != null);
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
FieldFormatterKey key = new FieldFormatterKey(sourceType.getAnnotation(annotationType), fieldType);
FieldFormatterKey key = new FieldFormatterKey(sourceType.getAnnotation(annotationType), sourceType.getType());
GenericConverter converter = cachedPrinters.get(key);
if (converter == null) {
Printer<?> printer = annotationFormatterFactory.getPrinter(key.getAnnotation(), key.getFieldType());
@@ -117,7 +117,7 @@ public class FormattingConversionService extends GenericConversionService
return (targetType.getAnnotation(annotationType) != null);
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
FieldFormatterKey key = new FieldFormatterKey(targetType.getAnnotation(annotationType), fieldType);
FieldFormatterKey key = new FieldFormatterKey(targetType.getAnnotation(annotationType), sourceType.getType());
GenericConverter converter = cachedParsers.get(key);
if (converter == null) {
Parser<?> printer = annotationFormatterFactory.getParser(key.getAnnotation(), key.getFieldType());

87
org.springframework.context/src/test/java/org/springframework/format/support/FormattingConversionServiceTests.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2010 the original author or authors.
* Copyright 2002-2011 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.
@@ -27,12 +27,11 @@ import org.joda.time.DateTime;
import org.joda.time.LocalDate;
import org.joda.time.format.DateTimeFormat;
import org.junit.After;
import static org.junit.Assert.*;
import org.junit.Before;
import org.junit.Test;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.BeanWrapper;
import org.springframework.beans.ConfigurablePropertyAccessor;
import org.springframework.beans.PropertyAccessorFactory;
import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;
import org.springframework.beans.factory.support.RootBeanDefinition;
@@ -41,11 +40,14 @@ import org.springframework.context.support.GenericApplicationContext;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.Converter;
import org.springframework.core.convert.support.ConversionServiceFactory;
import org.springframework.format.Printer;
import org.springframework.format.datetime.joda.DateTimeParser;
import org.springframework.format.datetime.joda.JodaDateTimeFormatAnnotationFormatterFactory;
import org.springframework.format.datetime.joda.ReadablePartialPrinter;
import org.springframework.format.number.NumberFormatter;
import static org.junit.Assert.*;
/**
* @author Keith Donald
* @author Juergen Hoeller
@@ -93,7 +95,13 @@ public class FormattingConversionServiceTests {
@Test
public void testFormatFieldForAnnotation() throws Exception {
formattingService.addFormatterForFieldAnnotation(new JodaDateTimeFormatAnnotationFormatterFactory());
doTestFormatFieldForAnnotation(Model.class);
doTestFormatFieldForAnnotation(Model.class, false);
}
@Test
public void testFormatFieldForAnnotationWithDirectFieldAccess() throws Exception {
formattingService.addFormatterForFieldAnnotation(new JodaDateTimeFormatAnnotationFormatterFactory());
doTestFormatFieldForAnnotation(Model.class, true);
}
@Test
@@ -108,7 +116,7 @@ public class FormattingConversionServiceTests {
context.refresh();
context.getBeanFactory().initializeBean(formattingService, "formattingService");
formattingService.addFormatterForFieldAnnotation(new JodaDateTimeFormatAnnotationFormatterFactory());
doTestFormatFieldForAnnotation(ModelWithPlaceholders.class);
doTestFormatFieldForAnnotation(ModelWithPlaceholders.class, false);
}
@Test
@@ -123,10 +131,10 @@ public class FormattingConversionServiceTests {
context.getBeanFactory().registerSingleton("ppc", ppc);
context.refresh();
formattingService = context.getBean("formattingService", FormattingConversionService.class);
doTestFormatFieldForAnnotation(ModelWithPlaceholders.class);
doTestFormatFieldForAnnotation(ModelWithPlaceholders.class, false);
}
private void doTestFormatFieldForAnnotation(Class<?> modelClass) throws Exception {
private void doTestFormatFieldForAnnotation(Class<?> modelClass, boolean directFieldAccess) throws Exception {
formattingService.addConverter(new Converter<Date, Long>() {
public Long convert(Date source) {
return source.getTime();
@@ -159,26 +167,30 @@ public class FormattingConversionServiceTests {
assertEquals(new LocalDate(2009, 11, 2), new LocalDate(dates.get(2)));
Object model = BeanUtils.instantiate(modelClass);
BeanWrapper accessor = PropertyAccessorFactory.forBeanPropertyAccess(model);
ConfigurablePropertyAccessor accessor = directFieldAccess ? PropertyAccessorFactory.forDirectFieldAccess(model) :
PropertyAccessorFactory.forBeanPropertyAccess(model);
accessor.setConversionService(formattingService);
accessor.setPropertyValue("dates", "10-31-09,11-1-09,11-2-09");
dates = (List<Date>) accessor.getPropertyValue("dates");
assertEquals(new LocalDate(2009, 10, 31), new LocalDate(dates.get(0)));
assertEquals(new LocalDate(2009, 11, 1), new LocalDate(dates.get(1)));
assertEquals(new LocalDate(2009, 11, 2), new LocalDate(dates.get(2)));
accessor.setPropertyValue("dates[0]", "10-30-09");
accessor.setPropertyValue("dates[1]", "10-1-09");
accessor.setPropertyValue("dates[2]", "10-2-09");
dates = (List<Date>) accessor.getPropertyValue("dates");
assertEquals(new LocalDate(2009, 10, 30), new LocalDate(dates.get(0)));
assertEquals(new LocalDate(2009, 10, 1), new LocalDate(dates.get(1)));
assertEquals(new LocalDate(2009, 10, 2), new LocalDate(dates.get(2)));
if (!directFieldAccess) {
accessor.setPropertyValue("dates[0]", "10-30-09");
accessor.setPropertyValue("dates[1]", "10-1-09");
accessor.setPropertyValue("dates[2]", "10-2-09");
dates = (List<Date>) accessor.getPropertyValue("dates");
assertEquals(new LocalDate(2009, 10, 30), new LocalDate(dates.get(0)));
assertEquals(new LocalDate(2009, 10, 1), new LocalDate(dates.get(1)));
assertEquals(new LocalDate(2009, 10, 2), new LocalDate(dates.get(2)));
}
}
@Test
public void testPrintNull() throws ParseException {
formattingService.addFormatterForFieldType(Number.class, new NumberFormatter());
assertEquals("", formattingService.convert(null, TypeDescriptor.valueOf(Integer.class), TypeDescriptor.valueOf(String.class)));
assertEquals("", formattingService
.convert(null, TypeDescriptor.valueOf(Integer.class), TypeDescriptor.valueOf(String.class)));
}
@Test
@@ -190,7 +202,8 @@ public class FormattingConversionServiceTests {
@Test
public void testParseEmptyString() throws ParseException {
formattingService.addFormatterForFieldType(Number.class, new NumberFormatter());
assertNull(formattingService.convert("", TypeDescriptor.valueOf(String.class), TypeDescriptor.valueOf(Integer.class)));
assertNull(formattingService
.convert("", TypeDescriptor.valueOf(String.class), TypeDescriptor.valueOf(Integer.class)));
}
@Test
@@ -208,14 +221,35 @@ public class FormattingConversionServiceTests {
assertNull(formattingService.convert("", TypeDescriptor.valueOf(String.class), TypeDescriptor.valueOf(Integer.class)));
}
@Test
public void testFormatFieldForAnnotationWithSubclassAsFieldType() throws Exception {
formattingService.addFormatterForFieldAnnotation(new JodaDateTimeFormatAnnotationFormatterFactory() {
public Printer<?> getPrinter(org.springframework.format.annotation.DateTimeFormat annotation, Class<?> fieldType) {
assertEquals(MyDate.class, fieldType);
return super.getPrinter(annotation, fieldType);
}
});
formattingService.addConverter(new Converter<MyDate, Long>() {
public Long convert(MyDate source) {
return source.getTime();
}
});
formattingService.addConverter(new Converter<MyDate, Date>() {
public Date convert(MyDate source) {
return source;
}
});
formattingService.convert(new MyDate(), new TypeDescriptor(ModelWithSubclassField.class.getField("date")),
TypeDescriptor.valueOf(String.class));
}
public static class Model {
@SuppressWarnings("unused")
@org.springframework.format.annotation.DateTimeFormat(style="S-")
public Date date;
@SuppressWarnings("unused")
@org.springframework.format.annotation.DateTimeFormat(pattern="M-d-yy")
public List<Date> dates;
@@ -231,11 +265,9 @@ public class FormattingConversionServiceTests {
public static class ModelWithPlaceholders {
@SuppressWarnings("unused")
@org.springframework.format.annotation.DateTimeFormat(style="${dateStyle}")
public Date date;
@SuppressWarnings("unused")
@org.springframework.format.annotation.DateTimeFormat(pattern="${datePattern}")
public List<Date> dates;
@@ -248,4 +280,15 @@ public class FormattingConversionServiceTests {
}
}
public static class MyDate extends Date {
}
private static class ModelWithSubclassField {
@org.springframework.format.annotation.DateTimeFormat(style = "S-")
public MyDate date;
}
}