org.apache.shindig.gadgets.spec
Class PipelinedData

java.lang.Object
  org.apache.shindig.gadgets.spec.PipelinedData

public class PipelinedData
extends Object

Parsing code for <os:*> elements.

Nested Class Summary

static interface	PipelinedData.Batch
static interface	PipelinedData.BatchItem Item within a batch
static class	PipelinedData.BatchType Temporary type until BatchItem is made fully polymorphic

Field Summary

static String	EXTENSION_NAMESPACE
static String	OPENSOCIAL_NAMESPACE

Constructor Summary

PipelinedData(Element element, Uri base)

Method Summary

PipelinedData.Batch	getBatch(Expressions expressions, javax.el.ELResolver rootObjects) Gets the first batch of preload requests.
boolean	needsOwner()
boolean	needsViewer()
PipelinedData	substitute(Substitutions substituter) Allows the creation of a view from an existing view so that localization can be performed.

Methods inherited from class java.lang.Object

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

Field Detail

OPENSOCIAL_NAMESPACE

public static final String OPENSOCIAL_NAMESPACE

See Also:

Constant Field Values

EXTENSION_NAMESPACE

public static final String EXTENSION_NAMESPACE

See Also:

Constant Field Values

Constructor Detail

PipelinedData

public PipelinedData(Element element,
                     Uri base)
              throws SpecParserException

Throws:

SpecParserException

Method Detail

substitute

public PipelinedData substitute(Substitutions substituter)

Allows the creation of a view from an existing view so that localization can be performed.

getBatch

public PipelinedData.Batch getBatch(Expressions expressions,
                                    javax.el.ELResolver rootObjects)

Gets the first batch of preload requests. Preloads that require root objects not yet available will not be executed in this batch, but may become available in subsequent batches.

Parameters:

rootObjects - an ELResolver that can evaluate currently available root objects.

Returns:

a batch, or null if no batch could be created

See Also:

GadgetELResolver

needsViewer

public boolean needsViewer()

needsOwner

public boolean needsOwner()