Package net.anotheria.anosite.handler.validation

Class AbstractFormBean

java.lang.Object

net.anotheria.anosite.handler.validation.AbstractFormBean

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

BasicFormBean, EmptyFormBean

public abstract class AbstractFormBean
extends Object
implements Serializable

Form definition bean used in AbstractValidationBoxHandler.

Author:

Alexandr Bolbat

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static boolean	EMPTY_BOOLEAN	Utility constant with empty Boolean value.
static List<?>	EMPTY_LIST	Utility constant with empty List value.
static Number	EMPTY_NUMBER	Utility constant with empty Number value.
static Set<?>	EMPTY_SET	Utility constant with empty Set value.
static String	EMPTY_STRING	Utility constant with empty String value.

Constructor Summary

Constructors

Constructor	Description
AbstractFormBean()

Method Summary

Modifier and Type	Method	Description
Set<String>	getFieldsNames()	Get set of all form fields names.
Object	getFieldValue(String fieldName)	Get form field value by form field name.
protected abstract void	prepare(jakarta.servlet.http.HttpServletRequest req)	Any bean extended from this abstract class must have possibility to initialize by self from request.
protected Object	readField(String name)	Read field value from form data storage.
protected <T> T	readField(String name, Class<T> fieldType, T defaultValue)	Read field value from form data storage in real type.
protected void	saveField(String name, Object value)	Save field value to form data storage.

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY_STRING

public static final String EMPTY_STRING

Utility constant with empty String value.

See Also:

Constant Field Values

EMPTY_NUMBER

public static final Number EMPTY_NUMBER

Utility constant with empty Number value.

EMPTY_BOOLEAN

public static final boolean EMPTY_BOOLEAN

Utility constant with empty Boolean value.

See Also:

Constant Field Values

EMPTY_LIST

public static final List<?> EMPTY_LIST

Utility constant with empty List value.

EMPTY_SET

public static final Set<?> EMPTY_SET

Utility constant with empty Set value.

Constructor Detail

AbstractFormBean

public AbstractFormBean()

Method Detail

getFieldsNames

public Set<String> getFieldsNames()

Get set of all form fields names. By default it use key set from internal storage.

Returns:

Set of String

getFieldValue

public Object getFieldValue(String fieldName)

Get form field value by form field name. By default it use internal storage.

Parameters:

fieldName - - form field name

Returns:

Object

saveField

protected final void saveField(String name,
                               Object value)

Save field value to form data storage.

Parameters:

name - - field name

value - - field value

readField

protected final Object readField(String name)

Read field value from form data storage. Return value or null.

Parameters:

name - - field name

Returns:

Object

readField

protected final <T> T readField(String name,
                                Class<T> fieldType,
                                T defaultValue)

Read field value from form data storage in real type. Can be returned with some default value if real value not exist in storage.

Type Parameters:

T - TODO dummy comment for javadoc.

Parameters:

name - field name.

fieldType - field value type class.

defaultValue - TODO dummy comment for javadoc.

Returns:

T TODO dummy comment for javadoc.

prepare

protected abstract void prepare(jakarta.servlet.http.HttpServletRequest req)

Any bean extended from this abstract class must have possibility to initialize by self from request.

Parameters:

req - request