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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
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85471d05
编写于
11月 14, 2019
作者:
J
Juergen Hoeller
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差异文件
Revise getElementTypeDescriptor javadoc (no IllegalStateException)
Closes gh-23996
上级
96a1a0de
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1
隐藏空白更改
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1 changed file
with
8 addition
and
6 deletion
+8
-6
spring-core/src/main/java/org/springframework/core/convert/TypeDescriptor.java
...java/org/springframework/core/convert/TypeDescriptor.java
+8
-6
未找到文件。
spring-core/src/main/java/org/springframework/core/convert/TypeDescriptor.java
浏览文件 @
85471d05
...
...
@@ -36,7 +36,8 @@ import org.springframework.util.ClassUtils;
import
org.springframework.util.ObjectUtils
;
/**
* Context about a type to convert from or to.
* Contextual descriptor about a type to convert from or to.
* Capable of representing arrays and generic collection types.
*
* @author Keith Donald
* @author Andy Clement
...
...
@@ -45,6 +46,8 @@ import org.springframework.util.ObjectUtils;
* @author Sam Brannen
* @author Stephane Nicoll
* @since 3.0
* @see ConversionService#canConvert(TypeDescriptor, TypeDescriptor)
* @see ConversionService#convert(Object, TypeDescriptor, TypeDescriptor)
*/
@SuppressWarnings
(
"serial"
)
public
class
TypeDescriptor
implements
Serializable
{
...
...
@@ -322,9 +325,9 @@ public class TypeDescriptor implements Serializable {
* If this type is a {@code Stream}, returns the stream's component type.
* If this type is a {@link Collection} and it is parameterized, returns the Collection's element type.
* If the Collection is not parameterized, returns {@code null} indicating the element type is not declared.
* @return the array component type or Collection element type, or {@code null} if this type is
a
*
Collection but
its element type is not parameterized
* @
throws IllegalStateException if this type is not a {@code java.util.Collection} or array type
* @return the array component type or Collection element type, or {@code null} if this type is
not
*
an array type or a {@code java.util.Collection} or if
its element type is not parameterized
* @
see #elementTypeDescriptor(Object)
*/
@Nullable
public
TypeDescriptor
getElementTypeDescriptor
()
{
...
...
@@ -351,8 +354,7 @@ public class TypeDescriptor implements Serializable {
* TypeDescriptor that is returned.
* @param element the collection or array element
* @return a element type descriptor, narrowed to the type of the provided element
* @throws IllegalStateException if this type is not a {@code java.util.Collection}
* or array type
* @see #getElementTypeDescriptor()
* @see #narrow(Object)
*/
@Nullable
...
...
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