org.eclipse.jet.xpath
Class XPathUtil

java.lang.Object
  org.eclipse.jet.xpath.XPathUtil

public final class XPathUtil
extends java.lang.Object

Utility class for common XPath operations.

Nested Class Summary

protected static class

XPathUtil.NodeSetAdapter Adapter for Arrays and Collections into XPath NodeSets

Method Summary

static NodeSet	asNodeSet(java.util.Collection collection) Return a NodeSet wrapper for the given collection
static NodeSet	asNodeSet(java.lang.Object[] objectArray) Return a NodeSet wrapper for the given array.
static boolean	xpathBoolean(java.lang.Object object) Invoke the XPath 'boolean' function on the argument.
static double	xpathNumber(java.lang.Object object) Invoke the XPath 'number' function on the argument.
static java.lang.String	xpathString(java.lang.Object object) Invoke the XPath 'string' function on the argument.

Methods inherited from class java.lang.Object

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

Method Detail

xpathString

public static java.lang.String xpathString(java.lang.Object object)

Invoke the XPath 'string' function on the argument.

Parameters:

object - the argument to convert to a string. Cannot be null

Returns:

the result of the XPath 'string' function.

Throws:

java.lang.NullPointerException - if object is null.

xpathBoolean

public static boolean xpathBoolean(java.lang.Object object)

Invoke the XPath 'boolean' function on the argument.

Parameters:

object - the argument to convert to a boolean. Cannot be null

Returns:

the result of the XPath 'boolean' function.

Throws:

java.lang.NullPointerException - if object is null.

xpathNumber

public static double xpathNumber(java.lang.Object object)

Invoke the XPath 'number' function on the argument.

Parameters:

object - the argument to convert to a number (double). Cannot be null

Returns:

the result of the XPath 'number' function.

Throws:

java.lang.NullPointerException - if object is null.

asNodeSet

public static NodeSet asNodeSet(java.lang.Object[] objectArray)

Return a NodeSet wrapper for the given array.

Parameters:

objectArray - an array of objects.

Returns:

a node set

asNodeSet

public static NodeSet asNodeSet(java.util.Collection collection)

Return a NodeSet wrapper for the given collection

Parameters:

collection - a collection

Returns:

a node set