Package com.itextpdf.tool.xml

Class XMLWorkerHelper

java.lang.Object

com.itextpdf.tool.xml.XMLWorkerHelper

public class XMLWorkerHelper
extends Object

A helper class for parsing XHTML/CSS or XML flow to PDF.

Field Summary

Fields

Modifier and Type	Field	Description
private CssFile	defaultCssFile
private static XMLWorkerHelper	myself
private TagProcessorFactory	tpf

Constructor Summary

Constructors

Modifier	Constructor	Description
private	XMLWorkerHelper()

Method Summary

Modifier and Type	Method	Description
static CssFile	getCSS(InputStream in)
CssFile	getDefaultCSS()
CSSResolver	getDefaultCssResolver(boolean addDefaultCss)	Get a CSSResolver implementation.
protected TagProcessorFactory	getDefaultTagProcessorFactory()	Retrieves the default factory for processing HTML tags from Tags.getHtmlTagProcessorFactory().
static XMLWorkerHelper	getInstance()	Get a Singleton XMLWorkerHelper
static ElementList	parseToElementList(String html, String css)	Parses an HTML string and a string containing CSS into a list of Element objects.
void	parseXHtml(PdfWriter writer, Document doc, InputStream in)
void	parseXHtml(PdfWriter writer, Document doc, InputStream in, InputStream inCssFile)
void	parseXHtml(PdfWriter writer, Document doc, InputStream in, InputStream inCssFile, FontProvider fontProvider)
void	parseXHtml(PdfWriter writer, Document doc, InputStream in, InputStream inCssFile, Charset charset)
void	parseXHtml(PdfWriter writer, Document doc, InputStream in, InputStream inCssFile, Charset charset, FontProvider fontProvider)
void	parseXHtml(PdfWriter writer, Document doc, InputStream in, InputStream inCssFile, Charset charset, FontProvider fontProvider, String resourcesRootPath)
void	parseXHtml(PdfWriter writer, Document doc, InputStream in, Charset charset)
void	parseXHtml(PdfWriter writer, Document doc, InputStream in, Charset charset, FontProvider fontProvider)
void	parseXHtml(PdfWriter writer, Document doc, Reader in)	Parses the xml data.
void	parseXHtml(ElementHandler d, InputStream in, Charset charset)
void	parseXHtml(ElementHandler d, Reader in)	Parses the xml data in the given reader and sends created Element s to the defined ElementHandler. This method configures the XMLWorker and XMLParser to parse (X)HTML/CSS and accept unknown tags.

Methods inherited from class java.lang.Object

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

Field Details

myself

private static XMLWorkerHelper myself

tpf

private TagProcessorFactory tpf

defaultCssFile

private CssFile defaultCssFile

Constructor Details

XMLWorkerHelper

private XMLWorkerHelper()

Method Details

getInstance

public static XMLWorkerHelper getInstance()

Get a Singleton XMLWorkerHelper

Returns:

a singleton instance of XMLWorkerHelper

getCSS

public static CssFile getCSS(InputStream in)

Returns:

the default css file.

getDefaultCSS

public CssFile getDefaultCSS()

parseXHtml

public void parseXHtml(ElementHandler d,
 Reader in)
                throws IOException

Parses the xml data in the given reader and sends created Element s to the defined ElementHandler.
This method configures the XMLWorker and XMLParser to parse (X)HTML/CSS and accept unknown tags.

Parameters:

d - the handler

in - the reader

Throws:

IOException - thrown when something went wrong with the IO

parseXHtml

public void parseXHtml(PdfWriter writer,
 Document doc,
 Reader in)
                throws IOException

Parses the xml data. This method configures the XMLWorker to parse (X)HTML/CSS and accept unknown tags. Writes the output in the given PdfWriter with the given document.

Parameters:

writer - the PdfWriter

doc - the Document

in - the reader

Throws:

IOException - thrown when something went wrong with the IO

parseXHtml

public void parseXHtml(PdfWriter writer,
 Document doc,
 InputStream in)
                throws IOException

Parameters:

writer - the writer to use

doc - the document to use

in - the InputStream of the XHTML source.

Throws:

IOException - if the InputStream could not be read.

parseXHtml

public void parseXHtml(PdfWriter writer,
 Document doc,
 InputStream in,
 Charset charset,
 FontProvider fontProvider)
                throws IOException

Throws:

IOException

parseXHtml

public void parseXHtml(PdfWriter writer,
 Document doc,
 InputStream in,
 Charset charset)
                throws IOException

Parameters:

writer - the writer to use

doc - the document to use

in - the InputStream of the XHTML source.

charset - the charset to use

Throws:

IOException - if the InputStream could not be read.

parseXHtml

public void parseXHtml(PdfWriter writer,
 Document doc,
 InputStream in,
 InputStream inCssFile,
 Charset charset,
 FontProvider fontProvider)
                throws IOException

Parameters:

writer - the writer to use

doc - the document to use

in - the InputStream of the XHTML source.

charset - the charset to use

in - the CssFiles of the css files.

Throws:

IOException - if the InputStream could not be read.

parseXHtml

public void parseXHtml(PdfWriter writer,
 Document doc,
 InputStream in,
 InputStream inCssFile,
 Charset charset,
 FontProvider fontProvider,
 String resourcesRootPath)
                throws IOException

Parameters:

writer - the writer to use

doc - the document to use

in - the InputStream of the XHTML source.

charset - the charset to use

resourcesRootPath - defines the root path to find resources in case they are defined in html with relative paths (e.g. images)

in - the CssFiles of the css files.

Throws:

IOException - if the InputStream could not be read.

parseXHtml

public void parseXHtml(PdfWriter writer,
 Document doc,
 InputStream in,
 InputStream inCssFile)
                throws IOException

Throws:

IOException

parseXHtml

public void parseXHtml(PdfWriter writer,
 Document doc,
 InputStream in,
 InputStream inCssFile,
 FontProvider fontProvider)
                throws IOException

Throws:

IOException

parseXHtml

public void parseXHtml(PdfWriter writer,
 Document doc,
 InputStream in,
 InputStream inCssFile,
 Charset charset)
                throws IOException

Throws:

IOException

parseXHtml

public void parseXHtml(ElementHandler d,
 InputStream in,
 Charset charset)
                throws IOException

Parameters:

d - the ElementHandler

in - the InputStream

charset - the charset to use

Throws:

IOException - if something went seriously wrong with IO.

getDefaultCssResolver

public CSSResolver getDefaultCssResolver(boolean addDefaultCss)

Get a CSSResolver implementation.

Parameters:

addDefaultCss - true if the defaultCss should already be added.

Returns:

the default CSSResolver

getDefaultTagProcessorFactory

protected TagProcessorFactory getDefaultTagProcessorFactory()

Retrieves the default factory for processing HTML tags from Tags.getHtmlTagProcessorFactory(). On subsequent calls the same TagProcessorFactory is returned every time.

Returns:

a DefaultTagProcessorFactory that maps HTML tags to TagProcessors

parseToElementList

public static ElementList parseToElementList(String html,
 String css)
                                      throws IOException

Parses an HTML string and a string containing CSS into a list of Element objects. The FontProvider will be obtained from iText's FontFactory object.

Parameters:

html - a String containing an XHTML snippet

css - a String containing CSS

Returns:

an ElementList instance

Throws:

IOException