org.springframework.extensions.webscripts
Class ScriptHelper

java.lang.Object
  org.springframework.extensions.webscripts.ScriptHelper

All Implemented Interfaces:

Serializable

public final class ScriptHelper
extends Object
implements Serializable

A helper class with static functions for working with Scriptable maps, arrays and ScriptModelObjects.

Author:

muzquiano

See Also:

Serialized Form

Constructor Summary

ScriptHelper()

Method Summary

static ScriptModelObject	getObject(RequestContext context, String objectTypeId, String objectId) Retrieves a model object from the underlying store and hands it back wrapped as a ScriptModelObject.
static org.mozilla.javascript.Scriptable	toScriptableArray(org.mozilla.javascript.Scriptable scope, String[] elements) Converts a given array to a Scriptable array that can be traversed by the script and Freemarker engines
static ScriptableMap	toScriptableMap(Map<String,Serializable> map) Converts an existing map to a Scriptable map
static ScriptableMap	toScriptableMap(RequestContext context, Map<String,ModelObject> objects) Creates a Scriptable Map for a given map of model objects
static ScriptableMap	toScriptableMap(RequestContext context, ModelObject[] modelObjects) Creates a Scriptable Map for a given array of model objects
static ScriptModelObject	toScriptModelObject(RequestContext context, ModelObject modelObject) Wraps a ModelObject with a script wrapper to produce a ScriptModelObject that can be used by the script and Freemarker engines.
static Object[]	toScriptModelObjectArray(RequestContext context, Map<String,ModelObject> objects) Converts a map of model objects to an array of ScriptModelObjects which can be used by the script and Freemarker engines.
static Object[]	toScriptModelObjectArray(RequestContext context, ModelObject[] modelObjects) Converts an array of ModelObjects to an array of ScriptModelObjects which can be used by the script and Freemarker engines.

Methods inherited from class java.lang.Object

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

Constructor Detail

ScriptHelper

public ScriptHelper()

Method Detail

toScriptableMap

public static ScriptableMap toScriptableMap(RequestContext context,
                                            ModelObject[] modelObjects)

Creates a Scriptable Map for a given array of model objects

Parameters:

context - the context

modelObjects - the model objects

Returns:

the scriptable map

toScriptableMap

public static ScriptableMap toScriptableMap(RequestContext context,
                                            Map<String,ModelObject> objects)

Creates a Scriptable Map for a given map of model objects

Parameters:

context - the context

objects - a map of model objects (keyed by object id)

Returns:

the scriptable map

toScriptableMap

public static ScriptableMap toScriptableMap(Map<String,Serializable> map)

Converts an existing map to a Scriptable map

Parameters:

map - the map

Returns:

the scriptable map

toScriptableArray

public static org.mozilla.javascript.Scriptable toScriptableArray(org.mozilla.javascript.Scriptable scope,
                                                                  String[] elements)

Converts a given array to a Scriptable array that can be traversed by the script and Freemarker engines

Parameters:

scope - the scope

elements - the elements

Returns:

the scriptable

toScriptModelObject

public static ScriptModelObject toScriptModelObject(RequestContext context,
                                                    ModelObject modelObject)

Wraps a ModelObject with a script wrapper to produce a ScriptModelObject that can be used by the script and Freemarker engines.

Parameters:

context - the context

modelObject - the model object

Returns:

the script model object

toScriptModelObjectArray

public static Object[] toScriptModelObjectArray(RequestContext context,
                                                ModelObject[] modelObjects)

Converts an array of ModelObjects to an array of ScriptModelObjects which can be used by the script and Freemarker engines.

Parameters:

context - the context

modelObjects - the model objects

Returns:

the object[]

toScriptModelObjectArray

public static Object[] toScriptModelObjectArray(RequestContext context,
                                                Map<String,ModelObject> objects)

Converts a map of model objects to an array of ScriptModelObjects which can be used by the script and Freemarker engines.

Parameters:

context - the context

objects - the model objects

Returns:

the object[]

getObject

public static ScriptModelObject getObject(RequestContext context,
                                          String objectTypeId,
                                          String objectId)

Retrieves a model object from the underlying store and hands it back wrapped as a ScriptModelObject. If the model object cannot be found, null will be returned.

Parameters:

id - the id

Returns:

the script model object