Package name.matthewgreet.strutscommons.util

Class ValidatorLibrary

java.lang.Object

name.matthewgreet.strutscommons.util.ValidatorLibrary

public class ValidatorLibrary
extends Object

Static functions used by validators.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	ValidatorLibrary.AnnotationUsage
static class	ValidatorLibrary.AnnotationUsageResult<T>	Describes a type of form field annotation and an instance of the policy it configures.
static class	ValidatorLibrary.PolicyEntry<A extends Annotation,P extends Policy<A>>	Describes table entry that finds a policy class from the annotation class that configures it.

Constructor Summary

Constructors

Constructor	Description
ValidatorLibrary()

Method Summary

Modifier and Type	Method	Description
static <T> boolean	checkCollectionRecipientDataType(Field recipientField, Class<T> recipientClass)	Returns whether converting validator can convert form field value to the recipient field's type.
static boolean	checkFieldClass(Class<?> conversionClass, Class<?> fieldClass)	Returns whether a converter's target data type can convert to the form field's data type.
static boolean	checkRecipientDataType(Field recipientField, Class<?> recipientClass)	Returns whether converting validator can convert form field value to the recipient field's type.
static boolean	fieldIsNotForm(Field actionField)	Returns whether a viewer Action's member field is definitely not a form.
static boolean	fieldReceivedStoredForm(Field actionField)	Returns whether field of an Action received a stored form.
static void	formatForm(Object form)	Formats form fields from the associated, unformatted values.
static void	formatForms()	Formats form fields of the current Action's forms, which are annotated with Form, from the associated, unformatted values, except for any form that was retrieved and injected (usually a rejected form).
static <T> ValidatorLibrary.AnnotationUsageResult<T>	getAnnotationUsage(Annotation annotation)	Returns validator (and formatter) that processes an annotated form field, or result of NA type if not recognised.
static String	getDefaultRecipientName(String fieldName)	Returns the default field name to receive a converted form field.
static List<ValidatorLibrary.PolicyEntry<?,?>>	getPolicies()	Returns list of all built-in adjusters, converters, and validators.
static Collection<Field>	getProperties(Class<?> type)	Returns all properties of a class, whether directly declared or inherited.
static FormStoreInterceptor.StoredForm	getStoredForm()	Returns a processed form stored in session.
static <T> Class<T>	getTypeFromCollectionField(Field recipientField)	Returns element type of a collection-based form field.
static <T> Collection<T>	makeCollectionForRecipient(Class<?> recipientClass)	Returns an empty, modifiable collection from a collection type.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ValidatorLibrary

public ValidatorLibrary()

Method Details

checkFieldClass

public static boolean checkFieldClass(Class<?> conversionClass,
 Class<?> fieldClass)

Returns whether a converter's target data type can convert to the form field's data type.

checkCollectionRecipientDataType

public static <T> boolean checkCollectionRecipientDataType(Field recipientField,
 Class<T> recipientClass)

Returns whether converting validator can convert form field value to the recipient field's type.

checkRecipientDataType

public static boolean checkRecipientDataType(Field recipientField,
 Class<?> recipientClass)

Returns whether converting validator can convert form field value to the recipient field's type.

fieldIsNotForm

public static boolean fieldIsNotForm(Field actionField)

Returns whether a viewer Action's member field is definitely not a form.

fieldReceivedStoredForm

public static boolean fieldReceivedStoredForm(Field actionField)

Returns whether field of an Action received a stored form.

getAnnotationUsage

public static <T>
ValidatorLibrary.AnnotationUsageResult<T> getAnnotationUsage(Annotation annotation)
                                                      throws Exception

Returns validator (and formatter) that processes an annotated form field, or result of NA type if not recognised.

Throws:

Exception

getDefaultRecipientName

public static String getDefaultRecipientName(String fieldName)

Returns the default field name to receive a converted form field.

getProperties

public static Collection<Field> getProperties(Class<?> type)

Returns all properties of a class, whether directly declared or inherited.

getStoredForm

public static FormStoreInterceptor.StoredForm getStoredForm()

Returns a processed form stored in session.

getTypeFromCollectionField

public static <T> Class<T> getTypeFromCollectionField(Field recipientField)

Returns element type of a collection-based form field.

getPolicies

public static List<ValidatorLibrary.PolicyEntry<?,?>> getPolicies()

Returns list of all built-in adjusters, converters, and validators.

formatForm

public static void formatForm(Object form)

Formats form fields from the associated, unformatted values. Form fields that have no associated, unformatted value are expected to be already set. See BooleanConversion, EnumConversion, IntegerConversion etc.

formatForms

public static void formatForms()

Formats form fields of the current Action's forms, which are annotated with Form, from the associated, unformatted values, except for any form that was retrieved and injected (usually a rejected form). Form fields that have no associated, unformatted value are expected to be already set. See BooleanConversion, EnumConversion, IntegerConversion etc.

makeCollectionForRecipient

public static <T> Collection<T> makeCollectionForRecipient(Class<?> recipientClass)

Returns an empty, modifiable collection from a collection type.