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Undeprecate TypeVariableMap methods on GenericTypeResolver

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Issue: SPR-15429
This commit is contained in:
Juergen Hoeller
2017-04-11 10:09:09 +02:00
parent 42420a2df7
commit 7fbc20e225
2 changed files with 148 additions and 1 deletions
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64
spring-core/src/test/java/org/springframework/core/GenericTypeResolverTests.java
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@@ -17,7 +17,11 @@
package org.springframework.core;
import java.io.Serializable;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.lang.reflect.TypeVariable;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@@ -32,7 +36,7 @@ import static org.springframework.util.ReflectionUtils.*;
* @author Juergen Hoeller
* @author Sam Brannen
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
@SuppressWarnings({"unchecked", "rawtypes"})
public class GenericTypeResolverTests {
@Test
@@ -72,11 +76,69 @@ public class GenericTypeResolverTests {
resolveReturnTypeArgument(findMethod(MyTypeWithMethods.class, "object"), MyInterfaceType.class));
}
@Test
public void testResolveType() {
Method intMessageMethod = findMethod(MyTypeWithMethods.class, "readIntegerInputMessage", MyInterfaceType.class);
MethodParameter intMessageMethodParam = new MethodParameter(intMessageMethod, 0);
assertEquals(MyInterfaceType.class,
resolveType(intMessageMethodParam.getGenericParameterType(), new HashMap<>()));
Method intArrMessageMethod = findMethod(MyTypeWithMethods.class, "readIntegerArrayInputMessage",
MyInterfaceType[].class);
MethodParameter intArrMessageMethodParam = new MethodParameter(intArrMessageMethod, 0);
assertEquals(MyInterfaceType[].class,
resolveType(intArrMessageMethodParam.getGenericParameterType(), new HashMap<>()));
Method genericArrMessageMethod = findMethod(MySimpleTypeWithMethods.class, "readGenericArrayInputMessage",
Object[].class);
MethodParameter genericArrMessageMethodParam = new MethodParameter(genericArrMessageMethod, 0);
Map<TypeVariable, Type> varMap = getTypeVariableMap(MySimpleTypeWithMethods.class);
assertEquals(Integer[].class, resolveType(genericArrMessageMethodParam.getGenericParameterType(), varMap));
}
@Test
public void testBoundParameterizedType() {
assertEquals(B.class, resolveTypeArgument(TestImpl.class, TestIfc.class));
}
@Test
public void testGetTypeVariableMap() throws Exception {
Map<TypeVariable, Type> map;
map = GenericTypeResolver.getTypeVariableMap(MySimpleInterfaceType.class);
assertThat(map.toString(), equalTo("{T=class java.lang.String}"));
map = GenericTypeResolver.getTypeVariableMap(MyCollectionInterfaceType.class);
assertThat(map.toString(), equalTo("{T=java.util.Collection<java.lang.String>}"));
map = GenericTypeResolver.getTypeVariableMap(MyCollectionSuperclassType.class);
assertThat(map.toString(), equalTo("{T=java.util.Collection<java.lang.String>}"));
map = GenericTypeResolver.getTypeVariableMap(MySimpleTypeWithMethods.class);
assertThat(map.toString(), equalTo("{T=class java.lang.Integer}"));
map = GenericTypeResolver.getTypeVariableMap(TopLevelClass.class);
assertThat(map.toString(), equalTo("{}"));
map = GenericTypeResolver.getTypeVariableMap(TypedTopLevelClass.class);
assertThat(map.toString(), equalTo("{T=class java.lang.Integer}"));
map = GenericTypeResolver.getTypeVariableMap(TypedTopLevelClass.TypedNested.class);
assertThat(map.size(), equalTo(2));
Type t = null;
Type x = null;
for (Map.Entry<TypeVariable, Type> entry : map.entrySet()) {
if (entry.getKey().toString().equals("T")) {
t = entry.getValue();
}
else {
x = entry.getValue();
}
}
assertThat(t, equalTo((Type) Integer.class));
assertThat(x, equalTo((Type) Long.class));
}
@Test
public void getGenericsCannotBeResolved() throws Exception {
// SPR-11030