org.x4o.xml.io.sax

Class X4OContentHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

org.xml.sax.ext.DefaultHandler2

org.x4o.xml.io.sax.X4OContentHandler

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler, DeclHandler, EntityResolver2, LexicalHandler

public class X4OContentHandler
extends DefaultHandler2

X4OTagHandler Gets all SAX content handler events and converts to x4o element tree.

Version:

1.0 Aug 20, 2005

Author:

Willem Cazander

Constructor Summary

Constructors

Constructor and Description
X4OContentHandler(X4OLanguageContext elementLanguage) Creates an X4OTagHandler which can receice sax xml events and converts them into the Element* interfaces events.

Method Summary

Methods

Modifier and Type	Method and Description
void	characters(char[] ch, int start, int length) Gets called to pass the text between XML-tags and converts it to a String.
void	comment(char[] ch, int start, int length)
void	endElement(String namespaceUri, String tag, String qName)
void	ignorableWhitespace(char[] ch, int start, int length)
void	processingInstruction(String target, String data)
void	setDocumentLocator(Locator locator)
void	startElement(String namespaceUri, String tag, String qName, Attributes attributes)
void	startPrefixMapping(String prefix, String namespaceUri)

Methods inherited from class org.xml.sax.ext.DefaultHandler2

attributeDecl, elementDecl, endCDATA, endDTD, endEntity, externalEntityDecl, getExternalSubset, internalEntityDecl, resolveEntity, resolveEntity, startCDATA, startDTD, startEntity

Methods inherited from class org.xml.sax.helpers.DefaultHandler

endDocument, endPrefixMapping, error, fatalError, notationDecl, skippedEntity, startDocument, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

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

Constructor Detail

X4OContentHandler

public X4OContentHandler(X4OLanguageContext elementLanguage)

Creates an X4OTagHandler which can receice sax xml events and converts them into the Element* interfaces events.

Method Detail

setDocumentLocator

public void setDocumentLocator(Locator locator)

Specified by:

setDocumentLocator in interface ContentHandler

Overrides:

setDocumentLocator in class org.xml.sax.helpers.DefaultHandler

See Also:

DefaultHandler.setDocumentLocator(org.xml.sax.Locator)

startPrefixMapping

public void startPrefixMapping(String prefix,
                      String namespaceUri)
                        throws SAXException

Specified by:

startPrefixMapping in interface ContentHandler

Overrides:

startPrefixMapping in class org.xml.sax.helpers.DefaultHandler

Throws:

SAXException

See Also:

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

startElement

public void startElement(String namespaceUri,
                String tag,
                String qName,
                Attributes attributes)
                  throws SAXException

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class org.xml.sax.helpers.DefaultHandler

Throws:

SAXException

See Also:

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

endElement

public void endElement(String namespaceUri,
              String tag,
              String qName)
                throws SAXException

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class org.xml.sax.helpers.DefaultHandler

Throws:

SAXException

See Also:

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

characters

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

Gets called to pass the text between XML-tags and converts it to a String. When this string is 0 length then nothing is done. If there are no element on the stact noting is done.

Specified by:

characters in interface ContentHandler

Overrides:

characters in class org.xml.sax.helpers.DefaultHandler

Throws:

SAXException

See Also:

DefaultHandler.characters(char[],int,int)

ignorableWhitespace

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

Specified by:

ignorableWhitespace in interface ContentHandler

Overrides:

ignorableWhitespace in class org.xml.sax.helpers.DefaultHandler

Throws:

SAXException

See Also:

DefaultHandler.ignorableWhitespace(char[], int, int)

comment

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

Specified by:

comment in interface LexicalHandler

Overrides:

comment in class DefaultHandler2

Throws:

SAXException

See Also:

DefaultHandler2.comment(char[], int, int)

processingInstruction

public void processingInstruction(String target,
                         String data)
                           throws SAXException

Specified by:

processingInstruction in interface ContentHandler

Overrides:

processingInstruction in class org.xml.sax.helpers.DefaultHandler

Throws:

SAXException

See Also:

DefaultHandler.processingInstruction(java.lang.String, java.lang.String)