com.goldencode.p2j.persist.serial

Class LookAheadXmlStreamReader

java.lang.Object

com.goldencode.p2j.persist.serial.LookAheadXmlStreamReader

All Implemented Interfaces:

javax.xml.stream.XMLStreamConstants, javax.xml.stream.XMLStreamReader

public class LookAheadXmlStreamReader
extends java.lang.Object
implements javax.xml.stream.XMLStreamReader

XMLStreamReader with 'peek' operation.

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.List<java.lang.String>	attrLocalNames Last saved list of attributes' local names
private java.util.List<javax.xml.namespace.QName>	attrNames Last saved list of attributes' names
private java.util.List<java.lang.String>	attrValues Last saved list of attributes' names
private javax.xml.stream.XMLStreamReader	delegate Actual reader
private java.util.Optional<java.lang.String>	localName Last saved local name
private java.util.OptionalInt	next Last result of 'peek'
private boolean	notForInfer Flag indicating that reader is used not for inferring DATASET/TEMP-TABLE structure
private java.lang.String	nsPrefix Last saved namespace prefix
private java.lang.String	nsUri Last saved namespace

Fields inherited from interface javax.xml.stream.XMLStreamConstants

ATTRIBUTE, CDATA, CHARACTERS, COMMENT, DTD, END_DOCUMENT, END_ELEMENT, ENTITY_DECLARATION, ENTITY_REFERENCE, NAMESPACE, NOTATION_DECLARATION, PROCESSING_INSTRUCTION, SPACE, START_DOCUMENT, START_ELEMENT

Constructor Summary

Constructors

Modifier	Constructor and Description
private	LookAheadXmlStreamReader(javax.xml.stream.XMLStreamReader delegate) Private c'tor used by the static factory method.

Method Summary

Modifier and Type	Method and Description
void	close()
int	getAttributeCount() Returns the numbers of saved attributes or calls delegate.
java.lang.String	getAttributeLocalName(int index) Returns the qname of the saved attribute at the provided index or calls delegate.
javax.xml.namespace.QName	getAttributeName(int index)
java.lang.String	getAttributeNamespace(int index)
java.lang.String	getAttributePrefix(int index)
java.lang.String	getAttributeType(int index)
java.lang.String	getAttributeValue(int index) Returns the value of the saved attribute at the index or call delegate.
java.lang.String	getAttributeValue(java.lang.String namespaceURI, java.lang.String localName) Returns the normalized attribute value of the saved attribute with the namespace and localName or calls delegate.
java.lang.String	getCharacterEncodingScheme()
java.lang.String	getElementText()
java.lang.String	getEncoding()
int	getEventType()
java.lang.String	getLocalName() Returns the (local) name of the saved event or call delegate.
javax.xml.stream.Location	getLocation()
javax.xml.namespace.QName	getName()
javax.xml.namespace.NamespaceContext	getNamespaceContext()
int	getNamespaceCount()
java.lang.String	getNamespacePrefix(int index)
java.lang.String	getNamespaceURI() Returns the URI of the prefix or the default namespace of the saved event or call delegate.
java.lang.String	getNamespaceURI(int index)
java.lang.String	getNamespaceURI(java.lang.String prefix)
java.lang.String	getPIData()
java.lang.String	getPITarget()
java.lang.String	getPrefix() Returns the prefix of the saved event or calls delegate.
java.lang.Object	getProperty(java.lang.String name)
java.lang.String	getText()
char[]	getTextCharacters()
int	getTextCharacters(int sourceStart, char[] target, int targetStart, int length)
int	getTextLength()
int	getTextStart()
java.lang.String	getVersion()
boolean	hasName()
boolean	hasNext()
boolean	hasText()
LookAheadXmlStreamReader	inferMode(boolean forInfer) Set the flag indicating the reader is used for inferring DATASET/TEMP-TABLE structure.
boolean	isAttributeSpecified(int index)
boolean	isCharacters()
boolean	isEndElement()
boolean	isStandalone()
boolean	isStartElement()
boolean	isWhiteSpace()
int	next() Get saved parsing event or calls delegate.
int	nextTag()
int	peek() Peek the next parsing event.
void	require(int type, java.lang.String namespaceURI, java.lang.String localName)
void	saveAttr() Save attributes of the current element
boolean	standaloneSet()
static LookAheadXmlStreamReader	wrap(javax.xml.stream.XMLStreamReader delegate) Factory method.

Methods inherited from class java.lang.Object

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

Field Detail

delegate

private final javax.xml.stream.XMLStreamReader delegate

Actual reader

notForInfer

private boolean notForInfer

Flag indicating that reader is used not for inferring DATASET/TEMP-TABLE structure

next

private java.util.OptionalInt next

Last result of 'peek'

localName

private java.util.Optional<java.lang.String> localName

Last saved local name

attrNames

private java.util.List<javax.xml.namespace.QName> attrNames

Last saved list of attributes' names

attrLocalNames

private java.util.List<java.lang.String> attrLocalNames

Last saved list of attributes' local names

attrValues

private java.util.List<java.lang.String> attrValues

Last saved list of attributes' names

nsUri

private java.lang.String nsUri

Last saved namespace

nsPrefix

private java.lang.String nsPrefix

Last saved namespace prefix

Constructor Detail

LookAheadXmlStreamReader

private LookAheadXmlStreamReader(javax.xml.stream.XMLStreamReader delegate)

Private c'tor used by the static factory method.

Parameters:

delegate - The underlying reader instance.

Method Detail

wrap

public static LookAheadXmlStreamReader wrap(javax.xml.stream.XMLStreamReader delegate)

Factory method. Creates and returns a LookAheadXmlStreamReader which adds 'peek()' feature to the delegate reader.

Parameters:

delegate - The underlying reader instance.

Returns:

The wrapper instance.

inferMode

public LookAheadXmlStreamReader inferMode(boolean forInfer)

Set the flag indicating the reader is used for inferring DATASET/TEMP-TABLE structure.

Parameters:

forInfer - true if the reader is used for inferring DATASET/TEMP-TABLE structure.

Returns:

self object. Allows chained calls.

saveAttr

public void saveAttr()

Save attributes of the current element

peek

public int peek()
         throws javax.xml.stream.XMLStreamException

Peek the next parsing event.

Returns:

the next parsing event.

Throws:

javax.xml.stream.XMLStreamException - if there is an error processing the underlying XML source.

close

public void close()
           throws javax.xml.stream.XMLStreamException

Specified by:

close in interface javax.xml.stream.XMLStreamReader

Throws:

javax.xml.stream.XMLStreamException

See Also:

XMLStreamReader.close()

getAttributeCount

public int getAttributeCount()

Returns the numbers of saved attributes or calls delegate.

Specified by:

getAttributeCount in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getAttributeCount()

getAttributeLocalName

public java.lang.String getAttributeLocalName(int index)

Returns the qname of the saved attribute at the provided index or calls delegate.

Specified by:

getAttributeLocalName in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getAttributeLocalName(int)

getAttributeName

public javax.xml.namespace.QName getAttributeName(int index)

Specified by:

getAttributeName in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getAttributeName(int)

getAttributeNamespace

public java.lang.String getAttributeNamespace(int index)

Specified by:

getAttributeNamespace in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getAttributeNamespace(int)

getAttributePrefix

public java.lang.String getAttributePrefix(int index)

Specified by:

getAttributePrefix in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getAttributePrefix(int)

getAttributeType

public java.lang.String getAttributeType(int index)

Specified by:

getAttributeType in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getAttributeType(int)

getAttributeValue

public java.lang.String getAttributeValue(int index)

Returns the value of the saved attribute at the index or call delegate.

Specified by:

getAttributeValue in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getAttributeValue(int)

getAttributeValue

public java.lang.String getAttributeValue(java.lang.String namespaceURI,
                                          java.lang.String localName)

Returns the normalized attribute value of the saved attribute with the namespace and localName or calls delegate.

Specified by:

getAttributeValue in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getAttributeValue(java.lang.String, java.lang.String)

getCharacterEncodingScheme

public java.lang.String getCharacterEncodingScheme()

Specified by:

getCharacterEncodingScheme in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getCharacterEncodingScheme()

getElementText

public java.lang.String getElementText()
                                throws javax.xml.stream.XMLStreamException

Specified by:

getElementText in interface javax.xml.stream.XMLStreamReader

Throws:

javax.xml.stream.XMLStreamException

See Also:

XMLStreamReader.getElementText()

getEncoding

public java.lang.String getEncoding()

Specified by:

getEncoding in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getEncoding()

getEventType

public int getEventType()

Specified by:

getEventType in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getEventType()

getLocalName

public java.lang.String getLocalName()

Returns the (local) name of the saved event or call delegate.

Specified by:

getLocalName in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getLocalName()

getLocation

public javax.xml.stream.Location getLocation()

Specified by:

getLocation in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getLocation()

getName

public javax.xml.namespace.QName getName()

Specified by:

getName in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getName()

getNamespaceContext

public javax.xml.namespace.NamespaceContext getNamespaceContext()

Specified by:

getNamespaceContext in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getNamespaceContext()

getNamespaceCount

public int getNamespaceCount()

Specified by:

getNamespaceCount in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getNamespaceCount()

getNamespacePrefix

public java.lang.String getNamespacePrefix(int index)

Specified by:

getNamespacePrefix in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getNamespacePrefix(int)

getNamespaceURI

public java.lang.String getNamespaceURI()

Returns the URI of the prefix or the default namespace of the saved event or call delegate.

Specified by:

getNamespaceURI in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getNamespaceURI()

getNamespaceURI

public java.lang.String getNamespaceURI(int index)

Specified by:

getNamespaceURI in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getNamespaceURI(int)

getNamespaceURI

public java.lang.String getNamespaceURI(java.lang.String prefix)

Specified by:

getNamespaceURI in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getNamespaceURI(java.lang.String)

getPIData

public java.lang.String getPIData()

Specified by:

getPIData in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getPIData()

getPITarget

public java.lang.String getPITarget()

Specified by:

getPITarget in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getPITarget()

getPrefix

public java.lang.String getPrefix()

Returns the prefix of the saved event or calls delegate.

Specified by:

getPrefix in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getPrefix()

getProperty

public java.lang.Object getProperty(java.lang.String name)
                             throws java.lang.IllegalArgumentException

Specified by:

getProperty in interface javax.xml.stream.XMLStreamReader

Throws:

java.lang.IllegalArgumentException

See Also:

XMLStreamReader.getProperty(java.lang.String)

getText

public java.lang.String getText()

Specified by:

getText in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getText()

getTextCharacters

public char[] getTextCharacters()

Specified by:

getTextCharacters in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getTextCharacters()

getTextCharacters

public int getTextCharacters(int sourceStart,
                             char[] target,
                             int targetStart,
                             int length)
                      throws javax.xml.stream.XMLStreamException

Specified by:

getTextCharacters in interface javax.xml.stream.XMLStreamReader

Throws:

javax.xml.stream.XMLStreamException

See Also:

XMLStreamReader.getTextCharacters(int, char[], int, int)

getTextLength

public int getTextLength()

Specified by:

getTextLength in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getTextLength()

getTextStart

public int getTextStart()

Specified by:

getTextStart in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getTextStart()

getVersion

public java.lang.String getVersion()

Specified by:

getVersion in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.getVersion()

hasName

public boolean hasName()

Specified by:

hasName in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.hasName()

hasNext

public boolean hasNext()
                throws javax.xml.stream.XMLStreamException

Specified by:

hasNext in interface javax.xml.stream.XMLStreamReader

Throws:

javax.xml.stream.XMLStreamException

See Also:

XMLStreamReader.hasNext()

hasText

public boolean hasText()

Specified by:

hasText in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.hasText()

isAttributeSpecified

public boolean isAttributeSpecified(int index)

Specified by:

isAttributeSpecified in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.isAttributeSpecified(int)

isCharacters

public boolean isCharacters()

Specified by:

isCharacters in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.isCharacters()

isEndElement

public boolean isEndElement()

Specified by:

isEndElement in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.isEndElement()

isStandalone

public boolean isStandalone()

Specified by:

isStandalone in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.isStandalone()

isStartElement

public boolean isStartElement()

Specified by:

isStartElement in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.isStartElement()

isWhiteSpace

public boolean isWhiteSpace()

Specified by:

isWhiteSpace in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.isWhiteSpace()

next

public int next()
         throws javax.xml.stream.XMLStreamException

Get saved parsing event or calls delegate.

Specified by:

next in interface javax.xml.stream.XMLStreamReader

Throws:

javax.xml.stream.XMLStreamException

See Also:

XMLStreamReader.next()

nextTag

public int nextTag()
            throws javax.xml.stream.XMLStreamException

Specified by:

nextTag in interface javax.xml.stream.XMLStreamReader

Throws:

javax.xml.stream.XMLStreamException

See Also:

XMLStreamReader.nextTag()

require

public void require(int type,
                    java.lang.String namespaceURI,
                    java.lang.String localName)
             throws javax.xml.stream.XMLStreamException

Specified by:

require in interface javax.xml.stream.XMLStreamReader

Throws:

javax.xml.stream.XMLStreamException

See Also:

XMLStreamReader.require(int, java.lang.String, java.lang.String)

standaloneSet

public boolean standaloneSet()

Specified by:

standaloneSet in interface javax.xml.stream.XMLStreamReader

See Also:

XMLStreamReader.standaloneSet()