org.opencastproject.util

Class Xpath

java.lang.Object

org.opencastproject.util.Xpath

public final class Xpath
extends Object

A thin layer around XPath to evaluate expressions in the context of a Node.

Method Summary

Modifier and Type	Method and Description
static Xpath	mk(Node node) Create a new evaluation context for node.
static Xpath	mk(Node node, NamespaceContext ns) Create a new evaluation context for node respecting the given namespace resolutions.
Option<Node>	node(String expr) Evaluate the xpath expression against the contained document.
Option<NodeList>	nodeSet(String expr) Evaluate the xpath expression against the contained document.
Option<String>	string(String expr) Evaluate the xpath expression against the contained document.
List<String>	strings(String expr) Evaluate the xpath expression against the contained document.

Methods inherited from class java.lang.Object

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

Method Detail

mk

public static Xpath mk(Node node)

Create a new evaluation context for node.

mk

public static Xpath mk(Node node,
                       NamespaceContext ns)

Create a new evaluation context for node respecting the given namespace resolutions.

node

public Option<Node> node(String expr)

Evaluate the xpath expression against the contained document. The expression must return a node.

string

public Option<String> string(String expr)

Evaluate the xpath expression against the contained document. The expression must return a string (text).

nodeSet

public Option<NodeList> nodeSet(String expr)

Evaluate the xpath expression against the contained document. The expression must return a nodelist.

strings

public List<String> strings(String expr)

Evaluate the xpath expression against the contained document. The expression must return a list of strings (text).