org.appng.api

Interface FieldConverter

All Known Implementing Classes:

FieldConversionFactory

public interface FieldConverter

A FieldConverter is responsible for converting

1. a property of an bindclass-instance to its String-representation inside of a Datafield (see setString(FieldWrapper))
2. a parameter from a RequestContainer to its object-representation (see setObject(FieldWrapper, RequestContainer))

Author:

Matthias Müller

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	FieldConverter.DatafieldOwner A DatafieldOwner owns several Datafields and also Linkpanels.
static class	FieldConverter.FieldDefOwner /** A DatafieldOwner owns several FieldDefs and also Linkpanels.

Method Summary

Modifier and Type	Method and Description
Datafield	addField(FieldConverter.DatafieldOwner dataFieldOwner, FieldWrapper fieldWrapper) Creates a Datafield and add it to the given FieldConverter.DatafieldOwner, using FieldWrapper.getStringValue() for the Datafield's value.
void	reset(FieldWrapper field)
void	setObject(FieldWrapper field, RequestContainer request) Sets the Object for the given FieldWrapper, using the given RequestContainer as the parameter source.
void	setString(FieldWrapper field) Transforms the property identified by FieldWrapper.getBinding() to it's String representation, which is used as an argument for Datafield.setValue(String) in addField(DatafieldOwner, FieldWrapper).

Method Detail

reset

void reset(FieldWrapper field)

Parameters:

field -

setString

void setString(FieldWrapper field)

Transforms the property identified by FieldWrapper.getBinding() to it's String representation, which is used as an argument for Datafield.setValue(String) in addField(DatafieldOwner, FieldWrapper).

Parameters:

field - the FieldWrapper

See Also:

FieldWrapper.setStringValue(String)

setObject

void setObject(FieldWrapper field,
               RequestContainer request)

Sets the Object for the given FieldWrapper, using the given RequestContainer as the parameter source.

Parameters:

field - the FieldWrapper

request - the RequestContainer

See Also:

FieldWrapper.setObject(Object)

addField

Datafield addField(FieldConverter.DatafieldOwner dataFieldOwner,
                   FieldWrapper fieldWrapper)

Creates a Datafield and add it to the given FieldConverter.DatafieldOwner, using FieldWrapper.getStringValue() for the Datafield's value.

Parameters:

dataFieldOwner - the FieldWrapper

fieldWrapper - the FieldWrapper

Returns:

the Datafield which has been added, if any