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fixed type assignability check for wildcarded Map (SPR-6676)

This commit is contained in:
Juergen Hoeller 2010-01-12 15:31:30 +00:00
parent 1ff99f2569
commit 7cbd9e1d93
2 changed files with 18 additions and 5 deletions
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4
org.springframework.core/src/main/java/org/springframework/core/convert/TypeDescriptor.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2009 the original author or authors.
* Copyright 2002-2010 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.
@ -456,7 +456,7 @@ public class TypeDescriptor {
private boolean isTypeAssignableTo(Class<?> clazz) {
Class<?> type = getType();
return (type != null && ClassUtils.isAssignable(clazz, type));
return (type != null && (clazz == null || ClassUtils.isAssignable(clazz, type)));
}

19
org.springframework.core/src/test/java/org/springframework/core/convert/support/GenericConversionServiceTests.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2009 the original author or authors.
* Copyright 2002-2010 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.
@ -18,6 +18,7 @@ package org.springframework.core.convert.support;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
@ -164,7 +165,7 @@ public class GenericConversionServiceTests {
}
@Test
public void testMapToObjectConversionBug() {
public void testMapToObjectConversion() {
GenericConversionService conversionService = new GenericConversionService();
Map<Object, Object> raw = new HashMap<Object, Object>();
raw.put("key", "value");
@ -181,6 +182,16 @@ public class GenericConversionServiceTests {
assertEquals("RESULT", converted);
}
@Test
public void testWildcardMap() throws Exception {
GenericConversionService conversionService = ConversionServiceFactory.createDefaultConversionService();
Map<String, String> input = new LinkedHashMap<String, String>();
input.put("key", "value");
Object converted = conversionService.convert(input, TypeDescriptor.forObject(input),
new TypeDescriptor(getClass().getField("wildcardMap")));
assertSame(input, converted);
}
private interface MyBaseInterface {
@ -197,7 +208,7 @@ public class GenericConversionServiceTests {
}
private class MyBaseInterfaceConverter implements Converter<MyBaseInterface, String> {
private static class MyBaseInterfaceConverter implements Converter<MyBaseInterface, String> {
public String convert(MyBaseInterface source) {
return "RESULT";
@ -205,4 +216,6 @@ public class GenericConversionServiceTests {
}
public static Map<String, ?> wildcardMap;
}