net.sf.saxon.lib

Class StandardCollectionURIResolver.FileExpander

java.lang.Object

net.sf.saxon.lib.StandardCollectionURIResolver.FileExpander

All Implemented Interfaces:

MappingFunction<ExternalObject<java.io.File>,Item<?>>

Enclosing class:

StandardCollectionURIResolver

protected static class StandardCollectionURIResolver.FileExpander
extends java.lang.Object
implements MappingFunction<ExternalObject<java.io.File>,Item<?>>

Mapping function to process the files in a directory. This maps a sequence of external objects representing files to a sequence of DocumentInfo nodes representing the parsed contents of those files.

Constructor Summary

Constructors

Constructor and Description
FileExpander(URIQueryParameters params, PipelineConfiguration pipe)

Method Summary

Modifier and Type	Method and Description
SequenceIterator<?>	map(ExternalObject<java.io.File> item) Map one item to a sequence.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileExpander

public FileExpander(URIQueryParameters params,
                    PipelineConfiguration pipe)

Method Detail

map

public SequenceIterator<?> map(ExternalObject<java.io.File> item)
                        throws XPathException

Map one item to a sequence.

Specified by:

map in interface MappingFunction<ExternalObject<java.io.File>,Item<?>>

Parameters:

item - The item to be mapped. If context is supplied, this must be the same as context.currentItem().

Returns:

either (a) a SequenceIterator over the sequence of items that the supplied input item maps to, or (b) an Item if it maps to a single item, or (c) null if it maps to an empty sequence.

Throws:

XPathException - if a dynamic error occurs