org.daisy.common.stax

Class StaxEventHelper

java.lang.Object

org.daisy.common.stax.StaxEventHelper

public final class StaxEventHelper
extends Object

The Class StaxEventHelper offers some stax utilities.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	StaxEventHelper.EventPredicates EventPredicates related helper functions.

Method Summary

Modifier and Type	Method and Description
static void	loop(XMLEventReader reader, Predicate<XMLEvent> filter, Predicate<XMLEvent> checker, EventProcessor processor) Loops through the elements until the checker returns null or the element stream stops
static StartElement	peekNextElement(XMLEventReader reader, QName name) Peek next element matching the QName
static StartElement	peekNextElement(XMLEventReader reader, Set<QName> names) Peek next element which mathces any QNames from the set provided

Methods inherited from class java.lang.Object

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

Method Detail

peekNextElement

public static StartElement peekNextElement(XMLEventReader reader,
                                           QName name)
                                    throws XMLStreamException

Peek next element matching the QName

Parameters:

reader - the reader

name - the name

Returns:

the start element

Throws:

XMLStreamException - the xML stream exception

peekNextElement

public static StartElement peekNextElement(XMLEventReader reader,
                                           Set<QName> names)
                                    throws XMLStreamException

Peek next element which mathces any QNames from the set provided

Parameters:

reader - the reader

names - the names

Returns:

the start element

Throws:

XMLStreamException - the xML stream exception

loop

public static void loop(XMLEventReader reader,
                        Predicate<XMLEvent> filter,
                        Predicate<XMLEvent> checker,
                        EventProcessor processor)
                 throws XMLStreamException

Loops through the elements until the checker returns null or the element stream stops

Parameters:

reader - the reader

filter - the filter says whether the element has to be processed or not.

checker - the checker

processor - the processor

Throws:

XMLStreamException - the xML stream exception