org.hawkular.btm.api.internal.actions.helpers

Class XML

java.lang.Object

org.hawkular.btm.api.internal.actions.helpers.XML

public class XML
extends Object

Author:

gbrown

Constructor Summary

Constructors

Constructor and Description
XML()

Method Summary

Modifier and Type	Method and Description
protected static Node	deserialize(Object node) This method serializes the supplied XML object to a string.
protected static Node	deserializeString(String doc) This method deserializes the supplied document.
static String	evaluate(String xpath, Object node) This method evaluates the xpath expression on the supplied node.
protected static String	getExpression(String expr) This method transforms the XPath expression to replace XPath 2.0 namespace wildcards with use of the local-name() function.
protected static Node	getNode(Object node) This method converts the supplied object to a DOM node.
static boolean	predicate(String xpath, Object node) This method evaluates the predicate based on the xpath expression on the supplied node.
protected static Node	selectNode(String xpath, Object node) This method obtains the node, identified by the xpath expression, from the supplied node.
static String	serialize(Object node) This method serializes the supplied XML object to a string.
protected static String	serializeDOMSource(DOMSource domSource) This method serializes the supplied DOM node to a string.
protected static String	serializeNode(Node node) This method serializes the supplied DOM node to a string.

Methods inherited from class java.lang.Object

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

Constructor Detail

XML

public XML()

Method Detail

serialize

public static String serialize(Object node)

This method serializes the supplied XML object to a string.

Parameters:

node - The node

Returns:

The string, or null if an error occurred

predicate

public static boolean predicate(String xpath,
                                Object node)

This method evaluates the predicate based on the xpath expression on the supplied node.

Parameters:

xpath - The xpath expression

node - The node

Returns:

The result

evaluate

public static String evaluate(String xpath,
                              Object node)

This method evaluates the xpath expression on the supplied node. The result can either be a document fragment, a text node value or null if the expression references a missing part of the document.

Parameters:

xpath - The xpath expression

node - The node

Returns:

The result, or null if not found (which may be due to an expression error)

getExpression

protected static String getExpression(String expr)

This method transforms the XPath expression to replace XPath 2.0 namespace wildcards with use of the local-name() function.

Parameters:

expr -

Returns:

serializeNode

protected static String serializeNode(Node node)

This method serializes the supplied DOM node to a string.

Parameters:

node - The node

Returns:

The string, or null if an error occurred

serializeDOMSource

protected static String serializeDOMSource(DOMSource domSource)

This method serializes the supplied DOM node to a string.

Parameters:

domSource - The DOM source

Returns:

The string, or null if an error occurred

deserialize

protected static Node deserialize(Object node)

This method serializes the supplied XML object to a string.

Parameters:

node - The node

Returns:

The string, or null if an error occurred

deserializeString

protected static Node deserializeString(String doc)

This method deserializes the supplied document.

Parameters:

doc - The XML document

Returns:

The DOM node, or null if an error occurred

selectNode

protected static Node selectNode(String xpath,
                                 Object node)

This method obtains the node, identified by the xpath expression, from the supplied node.

Parameters:

xpath - The xpath expression

node - The root node

Returns:

The selected node, or null if not found

getNode

protected static Node getNode(Object node)

This method converts the supplied object to a DOM node.

Parameters:

node - The object

Returns:

The node, or null if cannot convert