oracle.xml.parser.v2

Class XMLMultiHandler

java.lang.Object

oracle.xml.parser.v2.XMLMultiHandler

All Implemented Interfaces:

ContentHandler

Direct Known Subclasses:

XSDValidator

public class XMLMultiHandler
extends java.lang.Object
implements ContentHandler

This utility class allow multiple content handlers registered and send all the events to the registered content handlers.

Constructor Summary

Constructors

Constructor and Description
XMLMultiHandler()

Method Summary

Modifier and Type	Method and Description
void	addContentHandler(ContentHandler cntHandler) Add the next level ContentHandler the order in which the handler are called is not defined.
void	characters(char[] ch, int start, int length) Receive notification of character data.
void	endDocument() Receive notification of the end of a document.
void	endElement(java.lang.String namespaceURI, java.lang.String localName, java.lang.String qName) Receive notification of the end of an element.
void	endPrefixMapping(java.lang.String prefix) End the scope of a prefix-URI mapping.
ContentHandler[]	getContentHandlers() Return the next level of ContentHandlers
int	getNumContentHandlers() Return the number of ContentHandlers
void	ignorableWhitespace(char[] ch, int start, int length) Receive notification of ignorable whitespace in element content.
void	processingInstruction(java.lang.String target, java.lang.String data) Receive notification of a processing instruction.
boolean	removeContentHandler(ContentHandler cntHandler) Remove a content handler
void	setDocumentLocator(Locator locator) Receive an object for locating the origin of SAX document events.
void	skippedEntity(java.lang.String name) Receive notification of a skipped entity.
void	startDocument() Receive notification of the beginning of a document.
void	startElement(java.lang.String namespaceURI, java.lang.String localName, java.lang.String qName, Attributes atts) Receive notification of the beginning of an element.
void	startPrefixMapping(java.lang.String prefix, java.lang.String uri) Begin the scope of a prefix-URI Namespace mapping.

Methods inherited from class java.lang.Object

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

Constructor Detail

XMLMultiHandler

public XMLMultiHandler()

Method Detail

setDocumentLocator

public void setDocumentLocator(Locator locator)

Receive an object for locating the origin of SAX document events.

Specified by:

setDocumentLocator in interface ContentHandler

Parameters:

locator - An object that can return the location of any SAX document event.

See Also:

Locator

startDocument

public void startDocument()
                   throws SAXException

Receive notification of the beginning of a document.

Specified by:

startDocument in interface ContentHandler

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

See Also:

endDocument()

endDocument

public void endDocument()
                 throws SAXException

Receive notification of the end of a document.

Specified by:

endDocument in interface ContentHandler

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

See Also:

startDocument()

startPrefixMapping

public void startPrefixMapping(java.lang.String prefix,
                               java.lang.String uri)
                        throws SAXException

Begin the scope of a prefix-URI Namespace mapping.

Specified by:

startPrefixMapping in interface ContentHandler

Parameters:

prefix - The Namespace prefix being declared.

uri - The Namespace URI the prefix is mapped to.

Throws:

SAXException - The client may throw an exception during processing.

See Also:

endPrefixMapping(java.lang.String), startElement(java.lang.String, java.lang.String, java.lang.String, org.xml.sax.Attributes)

endPrefixMapping

public void endPrefixMapping(java.lang.String prefix)
                      throws SAXException

End the scope of a prefix-URI mapping.

Specified by:

endPrefixMapping in interface ContentHandler

Parameters:

prefix - The prefix that was being mapping.

Throws:

SAXException - The client may throw an exception during processing.

See Also:

startPrefixMapping(java.lang.String, java.lang.String), endElement(java.lang.String, java.lang.String, java.lang.String)

startElement

public void startElement(java.lang.String namespaceURI,
                         java.lang.String localName,
                         java.lang.String qName,
                         Attributes atts)
                  throws SAXException

Receive notification of the beginning of an element.

Specified by:

startElement in interface ContentHandler

Parameters:

namespaceURI - The Namespace URI, or the empty string if the element has no Namespace URI or if Namespace processing is not being performed.

localName - The local name (without prefix), or the empty string if Namespace processing is not being performed.

qName - The qualified name (with prefix), or the empty string if qualified names are not available.

atts - The attributes attached to the element. If there are no attributes, it shall be an empty Attributes object.

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

See Also:

endElement(java.lang.String, java.lang.String, java.lang.String), Attributes

endElement

public void endElement(java.lang.String namespaceURI,
                       java.lang.String localName,
                       java.lang.String qName)
                throws SAXException

Receive notification of the end of an element.

Specified by:

endElement in interface ContentHandler

Parameters:

namespaceURI - The Namespace URI, or the empty string if the element has no Namespace URI or if Namespace processing is not being performed.

localName - The local name (without prefix), or the empty string if Namespace processing is not being performed.

qName - The qualified XML 1.0 name (with prefix), or the empty string if qualified names are not available.

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

characters

public void characters(char[] ch,
                       int start,
                       int length)
                throws SAXException

Receive notification of character data.

Specified by:

characters in interface ContentHandler

Parameters:

ch - The characters from the XML document.

start - The start position in the array.

length - The number of characters to read from the array.

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

See Also:

ignorableWhitespace(char[], int, int), Locator

ignorableWhitespace

public void ignorableWhitespace(char[] ch,
                                int start,
                                int length)
                         throws SAXException

Receive notification of ignorable whitespace in element content.

Specified by:

ignorableWhitespace in interface ContentHandler

Parameters:

ch - The characters from the XML document.

start - The start position in the array.

length - The number of characters to read from the array.

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

See Also:

characters(char[], int, int)

processingInstruction

public void processingInstruction(java.lang.String target,
                                  java.lang.String data)
                           throws SAXException

Receive notification of a processing instruction.

Specified by:

processingInstruction in interface ContentHandler

Parameters:

target - The processing instruction target.

data - The processing instruction data, or null if none was supplied. The data does not include any whitespace separating it from the target.

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

skippedEntity

public void skippedEntity(java.lang.String name)
                   throws SAXException

Receive notification of a skipped entity.

Specified by:

skippedEntity in interface ContentHandler

Parameters:

name - The name of the skipped entity. If it is a parameter entity, the name will begin with '%', and if it is the external DTD subset, it will be the string "[dtd]".

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

addContentHandler

public void addContentHandler(ContentHandler cntHandler)

Add the next level ContentHandler the order in which the handler are called is not defined.

Parameters:

cntHandler - - ContentHandler

getContentHandlers

public ContentHandler[] getContentHandlers()

Return the next level of ContentHandlers

Returns:

ContentHandler Array

getNumContentHandlers

public int getNumContentHandlers()

Return the number of ContentHandlers

Returns:

count of ContentHandler

removeContentHandler

public boolean removeContentHandler(ContentHandler cntHandler)

Remove a content handler

Parameters:

cntHandler - content handler to be removed

Returns:

boolean TRUE if removed, false if not found