freemarker.core
Class CollectionAndSequence

java.lang.Object
  freemarker.core.CollectionAndSequence

All Implemented Interfaces:

java.io.Serializable, TemplateCollectionModel, TemplateModel, TemplateSequenceModel

public final class CollectionAndSequence

extends java.lang.Object

implements TemplateCollectionModel, TemplateSequenceModel, java.io.Serializable

Add sequence capabilities to an existing collection, or vice versa. Used by ?keys and ?values built-ins.

See Also:

Serialized Form

Field Summary

Fields inherited from interface freemarker.template.TemplateModel

NOTHING

Constructor Summary

CollectionAndSequence(TemplateCollectionModel collection)

CollectionAndSequence(TemplateSequenceModel sequence)

Method Summary

TemplateModel	get(int i) Retrieves the i-th template model in this sequence.
TemplateModelIterator	iterator() Retrieves a template model iterator that is used to iterate over the elements in this collection.
int	size()

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectionAndSequence

public CollectionAndSequence(TemplateCollectionModel collection)

CollectionAndSequence

public CollectionAndSequence(TemplateSequenceModel sequence)

Method Detail

iterator

public TemplateModelIterator iterator()
                               throws TemplateModelException

Description copied from interface: TemplateCollectionModel

Retrieves a template model iterator that is used to iterate over the elements in this collection.

Specified by:

iterator in interface TemplateCollectionModel

Throws:

TemplateModelException

get

public TemplateModel get(int i)
                  throws TemplateModelException

Description copied from interface: TemplateSequenceModel

Retrieves the i-th template model in this sequence.

Specified by:

get in interface TemplateSequenceModel

Throws:

TemplateModelException

size

public int size()
         throws TemplateModelException

Specified by:

size in interface TemplateSequenceModel

Returns:

the number of items in the list.

Throws:

TemplateModelException