Module com.github.librepdf.openpdf

Package com.lowagie.text.xml

Class SAXiTextHandler<T extends XmlPeer>

java.lang.Object

org.xml.sax.helpers.DefaultHandler

com.lowagie.text.xml.SAXiTextHandler<T>

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

Direct Known Subclasses:

SAXmyHandler, SAXmyHtmlHandler

public class SAXiTextHandler<T extends XmlPeer>
extends DefaultHandler

This class is a Handler that controls the iText XML to PDF conversion. Subclass it, if you want to change the way iText translates XML to PDF.

Field Summary

Fields

Modifier and Type	Field	Description
protected int	chapters	Counts the number of chapters in this document.
protected Chunk	currentChunk	This is the current chunk to which characters can be added.
protected DocListener	document	This is the resulting document.
protected boolean	ignore	This is the current chunk to which characters can be added.
protected Map<String,T>	myTags	This hashmap contains all the custom keys and peers.
protected Stack<Element>	stack	This is a Stack of objects, waiting to be added to the document.

Constructor Summary

Constructors

Constructor	Description
SAXiTextHandler(DocListener document)
SAXiTextHandler(DocListener document, Map<String,T> myTags)
SAXiTextHandler(DocListener document, Map<String,T> myTags, BaseFont bf)

Method Summary

Modifier and Type	Method	Description
protected void	addImage(Image img)
void	characters(char[] ch, int start, int length)	This method gets called when characters are encountered.
void	endElement(String uri, String lname, String name)	This method gets called when an end tag is encountered.
void	handleEndingTags(String name)	This method deals with the starting tags.
void	handleStartingTags(String name, Properties attributes)	This method deals with the starting tags.
void	ignorableWhitespace(char[] ch, int start, int length)	This method gets called when ignorable white space encountered.
protected boolean	isDocumentRoot(String tag)	Checks if a certain tag corresponds with the roottag.
void	setBaseFont(BaseFont bf)	Sets the font that has to be used.
void	setControlOpenClose(boolean controlOpenClose)	Sets the parameter that allows you to enable/disable the control over the Document.open() and Document.close() method.
void	startElement(String uri, String localName, String name, Attributes attributes)	This method gets called when a start tag is encountered.

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

endDocument, endPrefixMapping, error, fatalError, notationDecl, processingInstruction, resolveEntity, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

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

Field Detail

document

protected DocListener document

This is the resulting document.

stack

protected Stack<Element> stack

This is a Stack of objects, waiting to be added to the document.

chapters

protected int chapters

Counts the number of chapters in this document.

currentChunk

protected Chunk currentChunk

This is the current chunk to which characters can be added.

ignore

protected boolean ignore

This is the current chunk to which characters can be added.

myTags

protected Map<String,T extends XmlPeer> myTags

This hashmap contains all the custom keys and peers.

Constructor Detail

SAXiTextHandler

public SAXiTextHandler(DocListener document)

Parameters:

document - the DocListener

SAXiTextHandler

public SAXiTextHandler(DocListener document,
                       Map<String,T> myTags,
                       BaseFont bf)

Parameters:

document - the DocListener

myTags - a Map of the tags

bf - the base class for the supported fonts

SAXiTextHandler

public SAXiTextHandler(DocListener document,
                       Map<String,T> myTags)

Parameters:

document - the DocListener

myTags - a Map of the tags

Method Detail

setControlOpenClose

public void setControlOpenClose(boolean controlOpenClose)

Sets the parameter that allows you to enable/disable the control over the Document.open() and Document.close() method.

If you set this parameter to true (= default), the parser will open the Document object when the start-root-tag is encountered and close it when the end-root-tag is met. If you set it to false, you have to open and close the Document object yourself.

Parameters:

controlOpenClose - set this to false if you plan to open/close the Document yourself

startElement

public void startElement(String uri,
                         String localName,
                         String name,
                         Attributes attributes)

This method gets called when a start tag is encountered.

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class DefaultHandler

Parameters:

uri - the Uniform Resource Identifier

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

name - the name of the tag that is encountered

attributes - the list of attributes

handleStartingTags

public void handleStartingTags(String name,
                               Properties attributes)

This method deals with the starting tags.

Parameters:

name - the name of the tag

attributes - the list of attributes

ignorableWhitespace

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

This method gets called when ignorable white space encountered.

Specified by:

ignorableWhitespace in interface ContentHandler

Overrides:

ignorableWhitespace in class DefaultHandler

Parameters:

ch - an array of characters

start - the start position in the array

length - the number of characters to read from the array

characters

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

This method gets called when characters are encountered.

Specified by:

characters in interface ContentHandler

Overrides:

characters in class DefaultHandler

Parameters:

ch - an array of characters

start - the start position in the array

length - the number of characters to read from the array

setBaseFont

public void setBaseFont(BaseFont bf)

Sets the font that has to be used.

Parameters:

bf - the base class for the supported fonts

endElement

public void endElement(String uri,
                       String lname,
                       String name)

This method gets called when an end tag is encountered.

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class DefaultHandler

Parameters:

uri - the Uniform Resource Identifier

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

name - the name of the tag that ends

handleEndingTags

public void handleEndingTags(String name)

This method deals with the starting tags.

Parameters:

name - the name of the tag

addImage

protected void addImage(Image img)
                 throws EmptyStackException

Throws:

EmptyStackException

isDocumentRoot

protected boolean isDocumentRoot(String tag)

Checks if a certain tag corresponds with the roottag.

Parameters:

tag - a presumed tagname

Returns:

true if tag equals itext ,false otherwise.