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java.lang.Object org.springframework.validation.AbstractErrors
public abstract class AbstractErrors
Abstract implementation of the Errors
interface. Provides common
access to evaluated errors; however, does not define concrete management
of ObjectErrors
and FieldErrors
.
Field Summary |
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Fields inherited from interface org.springframework.validation.Errors |
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NESTED_PATH_SEPARATOR |
Constructor Summary | |
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AbstractErrors()
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Method Summary | |
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protected String |
canonicalFieldName(String field)
Determine the canonical field name for the given field. |
protected void |
doSetNestedPath(String nestedPath)
Actually set the nested path. |
protected String |
fixedField(String field)
Transform the given field into its full path, regarding the nested path of this instance. |
List<ObjectError> |
getAllErrors()
Get all errors, both global and field ones. |
int |
getErrorCount()
Return the total number of errors. |
FieldError |
getFieldError()
Get the first error associated with a field, if any. |
FieldError |
getFieldError(String field)
Get the first error associated with the given field, if any. |
int |
getFieldErrorCount()
Return the number of errors associated with a field. |
int |
getFieldErrorCount(String field)
Return the number of errors associated with the given field. |
List<FieldError> |
getFieldErrors(String field)
Get all errors associated with the given field. |
Class<?> |
getFieldType(String field)
Return the type of a given field. |
ObjectError |
getGlobalError()
Get the first global error, if any. |
int |
getGlobalErrorCount()
Return the number of global errors. |
String |
getNestedPath()
Return the current nested path of this Errors object. |
boolean |
hasErrors()
Return if there were any errors. |
boolean |
hasFieldErrors()
Are there any field errors? |
boolean |
hasFieldErrors(String field)
Are there any errors associated with the given field? |
boolean |
hasGlobalErrors()
Are there any global errors? |
protected boolean |
isMatchingFieldError(String field,
FieldError fieldError)
Check whether the given FieldError matches the given field. |
void |
popNestedPath()
Pop the former nested path from the nested path stack. |
void |
pushNestedPath(String subPath)
Push the given sub path onto the nested path stack. |
void |
reject(String errorCode)
Register a global error for the entire target object, using the given error description. |
void |
reject(String errorCode,
String defaultMessage)
Register a global error for the entire target object, using the given error description. |
void |
rejectValue(String field,
String errorCode)
Register a field error for the specified field of the current object (respecting the current nested path, if any), using the given error description. |
void |
rejectValue(String field,
String errorCode,
String defaultMessage)
Register a field error for the specified field of the current object (respecting the current nested path, if any), using the given error description. |
void |
setNestedPath(String nestedPath)
Allow context to be changed so that standard validators can validate subtrees. |
String |
toString()
|
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface org.springframework.validation.Errors |
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addAllErrors, getFieldErrors, getFieldValue, getGlobalErrors, getObjectName, reject, rejectValue |
Constructor Detail |
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public AbstractErrors()
Method Detail |
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public void setNestedPath(String nestedPath)
Errors
For example, an address validator could validate the subobject "address" of a customer object.
setNestedPath
in interface Errors
nestedPath
- nested path within this object,
e.g. "address" (defaults to "", null
is also acceptable).
Can end with a dot: both "address" and "address." are valid.public String getNestedPath()
Errors
Errors
object.
Returns a nested path with a dot, i.e. "address.", for easy building of concatenated paths. Default is an empty String.
getNestedPath
in interface Errors
public void pushNestedPath(String subPath)
Errors
A Errors.popNestedPath()
call will reset the original
nested path before the corresponding
pushNestedPath(String)
call.
Using the nested path stack allows to set temporary nested paths for subobjects without having to worry about a temporary path holder.
For example: current path "spouse.", pushNestedPath("child") -> result path "spouse.child."; popNestedPath() -> "spouse." again.
pushNestedPath
in interface Errors
subPath
- the sub path to push onto the nested path stackErrors.popNestedPath()
public void popNestedPath() throws IllegalArgumentException
Errors
popNestedPath
in interface Errors
IllegalArgumentException
Errors.pushNestedPath(java.lang.String)
protected void doSetNestedPath(String nestedPath)
protected String fixedField(String field)
protected String canonicalFieldName(String field)
The default implementation simply returns the field name as-is.
field
- the original field name
public void reject(String errorCode)
Errors
reject
in interface Errors
errorCode
- error code, interpretable as a message keypublic void reject(String errorCode, String defaultMessage)
Errors
reject
in interface Errors
errorCode
- error code, interpretable as a message keydefaultMessage
- fallback default messagepublic void rejectValue(String field, String errorCode)
Errors
The field name may be null
or empty String to indicate
the current object itself rather than a field of it. This may result
in a corresponding field error within the nested object graph or a
global error if the current object is the top object.
rejectValue
in interface Errors
field
- the field name (may be null
or empty String)errorCode
- error code, interpretable as a message keyErrors.getNestedPath()
public void rejectValue(String field, String errorCode, String defaultMessage)
Errors
The field name may be null
or empty String to indicate
the current object itself rather than a field of it. This may result
in a corresponding field error within the nested object graph or a
global error if the current object is the top object.
rejectValue
in interface Errors
field
- the field name (may be null
or empty String)errorCode
- error code, interpretable as a message keydefaultMessage
- fallback default messageErrors.getNestedPath()
public boolean hasErrors()
Errors
hasErrors
in interface Errors
public int getErrorCount()
Errors
getErrorCount
in interface Errors
public List<ObjectError> getAllErrors()
Errors
getAllErrors
in interface Errors
ObjectError
instancespublic boolean hasGlobalErrors()
Errors
hasGlobalErrors
in interface Errors
true
if there are any global errorsErrors.hasFieldErrors()
public int getGlobalErrorCount()
Errors
getGlobalErrorCount
in interface Errors
Errors.getFieldErrorCount()
public ObjectError getGlobalError()
Errors
getGlobalError
in interface Errors
null
public boolean hasFieldErrors()
Errors
hasFieldErrors
in interface Errors
true
if there are any errors associated with a fieldErrors.hasGlobalErrors()
public int getFieldErrorCount()
Errors
getFieldErrorCount
in interface Errors
Errors.getGlobalErrorCount()
public FieldError getFieldError()
Errors
getFieldError
in interface Errors
null
public boolean hasFieldErrors(String field)
Errors
hasFieldErrors
in interface Errors
field
- the field name
true
if there were any errors associated with the given fieldpublic int getFieldErrorCount(String field)
Errors
getFieldErrorCount
in interface Errors
field
- the field name
public List<FieldError> getFieldErrors(String field)
Errors
Implementations should support not only full field names like "name" but also pattern matches like "na*" or "address.*".
getFieldErrors
in interface Errors
field
- the field name
FieldError
instancespublic FieldError getFieldError(String field)
Errors
getFieldError
in interface Errors
field
- the field name
null
public Class<?> getFieldType(String field)
Errors
Implementations should be able to determine the type even
when the field value is null
, for example from some
associated descriptor.
getFieldType
in interface Errors
field
- the field name
null
if not determinableprotected boolean isMatchingFieldError(String field, FieldError fieldError)
field
- the field that we are looking up FieldErrors forfieldError
- the candidate FieldError
public String toString()
toString
in class Object
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