org.apache.marmotta.ldpath.model.functions

Class AbstractTextFilterFunction<Node>

java.lang.Object

org.apache.marmotta.ldpath.api.functions.SelectorFunction<Node>

org.apache.marmotta.ldpath.model.functions.AbstractTextFilterFunction<Node>

All Implemented Interfaces:

NodeFunction<Collection<Node>,Node>, LDPathConstruct<Node>

Direct Known Subclasses:

CleanHtmlFunction, HtmlTextFunction, RemoveXmlTagsFunction, XmlTextFunction, XmlUnescapeFunction

public abstract class AbstractTextFilterFunction<Node>
extends SelectorFunction<Node>

Field Summary

Fields

Modifier and Type	Field and Description
protected org.slf4j.Logger	log

Constructor Summary

Constructors

Constructor and Description
AbstractTextFilterFunction()

Method Summary

Methods

Modifier and Type	Method and Description
Collection<Node>	apply(RDFBackend<Node> rdfBackend, Node context, Collection<Node>... args) Apply the function to the list of nodes passed as arguments and return the result as type T.
protected abstract String	doFilter(String in)
String	getSignature() A string describing the signature of this node function, e.g.

Methods inherited from class org.apache.marmotta.ldpath.api.functions.SelectorFunction

getLocalName, getPathExpression

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.marmotta.ldpath.api.functions.NodeFunction

getDescription

Field Detail

log

protected final org.slf4j.Logger log

Constructor Detail

AbstractTextFilterFunction

public AbstractTextFilterFunction()

Method Detail

apply

public Collection<Node> apply(RDFBackend<Node> rdfBackend,
                     Node context,
                     Collection<Node>... args)
                       throws IllegalArgumentException

Apply the function to the list of nodes passed as arguments and return the result as type T. Throws IllegalArgumentException if the function cannot be applied to the nodes passed as argument or the number of arguments is not correct.

Parameters:

args - a nested list of KiWiNodes

context - the context of the execution. Same as using the NodeSelector '.' as parameter.

Returns:

Throws:

IllegalArgumentException

doFilter

protected abstract String doFilter(String in)

getSignature

public final String getSignature()

A string describing the signature of this node function, e.g. "fn:content(uris : Nodes) : Nodes". The syntax for representing the signature can be chosen by the implementer. This method is for informational purposes only.

Returns: