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体验新版 GitCode,发现更多精彩内容 >>
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bb97ca32
编写于
11月 25, 2009
作者:
J
Juergen Hoeller
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电子邮件补丁
差异文件
added configurable "autoGrowNestedPaths" property to DataBinder (SPR-6430)
上级
9a2f9ccd
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
40 addition
and
6 deletion
+40
-6
org.springframework.beans/src/main/java/org/springframework/beans/BeanWrapper.java
.../src/main/java/org/springframework/beans/BeanWrapper.java
+4
-4
org.springframework.context/src/main/java/org/springframework/validation/BeanPropertyBindingResult.java
...springframework/validation/BeanPropertyBindingResult.java
+14
-1
org.springframework.context/src/main/java/org/springframework/validation/DataBinder.java
.../main/java/org/springframework/validation/DataBinder.java
+22
-1
未找到文件。
org.springframework.beans/src/main/java/org/springframework/beans/BeanWrapper.java
浏览文件 @
bb97ca32
...
...
@@ -79,11 +79,11 @@ public interface BeanWrapper extends ConfigurablePropertyAccessor {
PropertyDescriptor
getPropertyDescriptor
(
String
propertyName
)
throws
InvalidPropertyException
;
/**
* Set
if
this BeanWrapper should attempt to "auto-grow" a nested path that contains a null value.
* <p>If
true
, a null path location will be populated with a default object value and traversed
* Set
whether
this BeanWrapper should attempt to "auto-grow" a nested path that contains a null value.
* <p>If
"true"
, a null path location will be populated with a default object value and traversed
* instead of resulting in a {@link NullValueInNestedPathException}. Turning this flag on also
* enables auto-growth of collection elements when a
n index that is out of bounds is accessed
.
* <p>Default is
false
.
* enables auto-growth of collection elements when a
ccessing an out-of-bounds index
.
* <p>Default is
"false" on a plain BeanWrapper
.
*/
void
setAutoGrowNestedPaths
(
boolean
autoGrowNestedPaths
);
...
...
org.springframework.context/src/main/java/org/springframework/validation/BeanPropertyBindingResult.java
浏览文件 @
bb97ca32
...
...
@@ -44,6 +44,8 @@ public class BeanPropertyBindingResult extends AbstractPropertyBindingResult imp
private
final
Object
target
;
private
final
boolean
autoGrowNestedPaths
;
private
transient
BeanWrapper
beanWrapper
;
...
...
@@ -53,8 +55,19 @@ public class BeanPropertyBindingResult extends AbstractPropertyBindingResult imp
* @param objectName the name of the target object
*/
public
BeanPropertyBindingResult
(
Object
target
,
String
objectName
)
{
this
(
target
,
objectName
,
true
);
}
/**
* Creates a new instance of the {@link BeanPropertyBindingResult} class.
* @param target the target bean to bind onto
* @param objectName the name of the target object
* @param autoGrowNestedPaths whether to "auto-grow" a nested path that contains a null value
*/
public
BeanPropertyBindingResult
(
Object
target
,
String
objectName
,
boolean
autoGrowNestedPaths
)
{
super
(
objectName
);
this
.
target
=
target
;
this
.
autoGrowNestedPaths
=
autoGrowNestedPaths
;
}
...
...
@@ -73,7 +86,7 @@ public class BeanPropertyBindingResult extends AbstractPropertyBindingResult imp
if
(
this
.
beanWrapper
==
null
)
{
this
.
beanWrapper
=
createBeanWrapper
();
this
.
beanWrapper
.
setExtractOldValueForEditor
(
true
);
this
.
beanWrapper
.
setAutoGrowNestedPaths
(
t
rue
);
this
.
beanWrapper
.
setAutoGrowNestedPaths
(
t
his
.
autoGrowNestedPaths
);
}
return
this
.
beanWrapper
;
}
...
...
org.springframework.context/src/main/java/org/springframework/validation/DataBinder.java
浏览文件 @
bb97ca32
...
...
@@ -125,6 +125,8 @@ public class DataBinder implements PropertyEditorRegistry, TypeConverter {
private
boolean
ignoreInvalidFields
=
false
;
private
boolean
autoGrowNestedPaths
=
true
;
private
String
[]
allowedFields
;
private
String
[]
disallowedFields
;
...
...
@@ -182,7 +184,7 @@ public class DataBinder implements PropertyEditorRegistry, TypeConverter {
public
void
initBeanPropertyAccess
()
{
Assert
.
isNull
(
this
.
bindingResult
,
"DataBinder is already initialized - call initBeanPropertyAccess before any other configuration methods"
);
this
.
bindingResult
=
new
BeanPropertyBindingResult
(
getTarget
(),
getObjectName
());
this
.
bindingResult
=
new
BeanPropertyBindingResult
(
getTarget
(),
getObjectName
()
,
isAutoGrowNestedPaths
()
);
if
(
this
.
conversionService
!=
null
)
{
this
.
bindingResult
.
initConversion
(
this
.
conversionService
);
}
...
...
@@ -330,6 +332,25 @@ public class DataBinder implements PropertyEditorRegistry, TypeConverter {
return
this
.
ignoreInvalidFields
;
}
/**
* Set whether this binder should attempt to "auto-grow" a nested path that contains a null value.
* <p>If "true", a null path location will be populated with a default object value and traversed
* instead of resulting in an exception. This flag also enables auto-growth of collection elements
* when accessing an out-of-bounds index.
* <p>Default is "true" on a standard DataBinder.
* @see org.springframework.beans.BeanWrapper#setAutoGrowNestedPaths
*/
public
void
setAutoGrowNestedPaths
(
boolean
autoGrowNestedPaths
)
{
this
.
autoGrowNestedPaths
=
autoGrowNestedPaths
;
}
/**
* Return whether "auto-growing" of nested paths has been activated.
*/
public
boolean
isAutoGrowNestedPaths
()
{
return
this
.
autoGrowNestedPaths
;
}
/**
* Register fields that should be allowed for binding. Default is all
* fields. Restrict this for example to avoid unwanted modifications
...
...
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