Package de.aristaflow.adept2.model.common.viewer

Class ModelViewer

java.lang.Object

de.aristaflow.adept2.model.common.viewer.ModelViewer

public class ModelViewer
extends Object

Allows the creation of typed views on attribute maps.

Constraints for the view:

TODO unset attributes: return default values? "not-existing-value" like e.g. INTEGER_MIN_VALUE? => define values!

TODO exception handling: external handler, default handlers... above -> default values?

TODO annotation for the interface, e.g. a description etc.

Author:

Kevin Goeser

Field Summary

Fields

Modifier and Type	Field	Description
protected static final Set<Class<?>>	allowedConsumerTypes	The set of types which are allowed to be SystemDataConsumer.
protected static final Set<Class<?>>	allowedTypes	Set of types, which are allowed as return values and parameters.
static final Class<?>[]	allowedTypesArray	Array of types, which are allowed as return values and parameters.

Constructor Summary

Constructors

Constructor	Description
ModelViewer()

Method Summary

Modifier and Type	Method	Description
static <V> V	createNew(Class<V> view)	Create a new, empty view for performing changes.
static <V> V	createView(Map<String,String> attributes, Class<V> view)	Creates a new view on the given data, implementing the given interface.
protected static <V> V	createView(Map<String,String> attributes, Class<V> view, String prefix, Locale locale)	Creates a translating view, returning the values for the given locale.
static <V> V	createView(Map<String,String> attributes, Class<V> view, Locale locale)	Creates a new view on the given data, implementing the given interface.

Methods inherited from class java.lang.Object

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

Field Details

allowedTypesArray

public static final Class<?>[] allowedTypesArray

Array of types, which are allowed as return values and parameters.

allowedTypes

protected static final Set<Class<?>> allowedTypes

Set of types, which are allowed as return values and parameters.

allowedConsumerTypes

protected static final Set<Class<?>> allowedConsumerTypes

The set of types which are allowed to be SystemDataConsumer.

Constructor Details

ModelViewer

public ModelViewer()

Method Details

createView

public static <V> V createView(Map<String,String> attributes,
 Class<V> view)

Creates a new view on the given data, implementing the given interface.

The interface needs to match the constraints provided in the class description of ModelViewer.

Type Parameters:

V - The type of the view.

Parameters:

attributes - The data for the view.

view - The view interface.

Returns:

A view of type view on the attributes. The returned object must only be accessed via the designated view interface!

createView

public static <V> V createView(Map<String,String> attributes,
 Class<V> view,
 Locale locale)

Creates a new view on the given data, implementing the given interface.

The interface needs to match the constraints provided in the class description of ModelViewer.

Type Parameters:

V - The type of the view.

Parameters:

attributes - The data for the view.

view - The view interface.

locale - The locale for a translated view.

Returns:

A view of type view on the attributes. The returned object must only be accessed via the designated view interface!

createNew

public static <V> V createNew(Class<V> view)

Create a new, empty view for performing changes. This is useful for creating views of nested views, ie. where the view object itself is set into another view.
When connecting the created view to the parent view (calling the appropriate set-method), only a copy of the new view will be added to the parent. If you need the very same nested object, retrieve it from the parent right after connecting it and replace the created view with the retrieved one.

Type Parameters:

V -

Parameters:

view -

Returns:

A new view with an empty attribute map.

createView

protected static <V> V createView(Map<String,String> attributes,
 Class<V> view,
 String prefix,
 Locale locale)

Creates a translating view, returning the values for the given locale.

Type Parameters:

V -

Parameters:

attributes -

view -

prefix - Prefix, if not "", it must end with a '.'.

locale -

Returns: