Package com.nomagic.magicreport.engine.xml

Class XMLDataHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

com.nomagic.magicreport.engine.xml.XMLDataHandler

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

@OpenApiAll
public class XMLDataHandler
extends DefaultHandler

XML Data handler.

Since:

May 23, 2008

Field Summary

Fields

Modifier and Type	Field	Description
protected Writer	writer	Contains writer for this handler.

Constructor Summary

Constructors

Constructor	Description
XMLDataHandler(Writer writer)	Create SAX handler.

Method Summary

Modifier and Type	Method	Description
void	characters(char[] ch, int start, int length)	/** Receive notification of character data inside an element.
void	endDocument()	Receive notification of the end of the document.
void	endElement(String uri, String localName, String qName)	Receive notification of the end of an element.
void	startDocument()	Receive notification of the beginning of the document.
void	startElement(String uri, String localName, String qName, Attributes attributes)	Receive notification of the start of an element.
protected void	write(char c)	Write a single character.
protected void	write(char[] cbuf, int off, int len)	Write a portion of an array of characters.
protected void	write(String string)	Write a string.
protected void	write(StringBuffer buffer)	Write a StringBuffer.
protected void	write(StringBuilder buffer)
protected void	writeAttributes(Attributes attributes)	Write all attributes to writer.
protected void	writeText(char chr)	Filter the specified character that are sensitive to XML interpreters and write into the writer.
protected void	writeText(char[] cbuf, int off, int len)	Filter the specified character that are sensitive to XML interpreters and write a portion of an array of characters into the writer.
protected void	writeText(CharSequence buffer)	Filter the specified character that are sensitive to XML interpreters and write a StringBuffer into the writer.

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

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.xml.sax.ContentHandler

declaration

Field Details

writer

protected Writer writer

Contains writer for this handler.

Constructor Details

XMLDataHandler

public XMLDataHandler(Writer writer)

Create SAX handler.

Parameters:

writer - output writer

Method Details

write

protected void write(String string)
              throws SAXException

Write a string.

Parameters:

string - String to be written

Throws:

SAXException - If an I/O error occurs

write

protected void write(StringBuffer buffer)
              throws SAXException

Write a StringBuffer.

Parameters:

buffer - StringBuffer to be written.

Throws:

SAXException - If an I/O error occurs

write

protected void write(StringBuilder buffer)
              throws SAXException

Throws:

SAXException

write

protected void write(char c)
              throws SAXException

Write a single character.

Parameters:

c - int specifying a character to be written.

Throws:

SAXException - If an I/O error occurs

write

protected void write(char[] cbuf,
 int off,
 int len)
              throws SAXException

Write a portion of an array of characters.

Parameters:

cbuf - Array of characters

off - Offset from which to start writing characters

len - Number of characters to write

Throws:

SAXException - If an I/O error occurs

writeText

protected void writeText(char chr)
                  throws SAXException

Filter the specified character that are sensitive to XML interpreters and write into the writer.

Parameters:

chr - int specifying a character to be written.

Throws:

SAXException - If an I/O error occurs

writeText

protected void writeText(char[] cbuf,
 int off,
 int len)
                  throws SAXException

Filter the specified character that are sensitive to XML interpreters and write a portion of an array of characters into the writer.

Parameters:

cbuf - Array of characters

off - Offset from which to start writing characters

len - Number of characters to write

Throws:

SAXException - If an I/O error occurs

writeText

protected void writeText(CharSequence buffer)
                  throws SAXException

Filter the specified character that are sensitive to XML interpreters and write a StringBuffer into the writer.

Parameters:

buffer - StringBuffer

Throws:

SAXException - If an I/O error occurs

writeAttributes

protected void writeAttributes(Attributes attributes)
                        throws SAXException

Write all attributes to writer.

Parameters:

attributes - XML attributes

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

startDocument

public void startDocument()
                   throws SAXException

Receive notification of the beginning of the document.

By default, write a XML document header.

Specified by:

startDocument in interface ContentHandler

Overrides:

startDocument in class DefaultHandler

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

endDocument

public void endDocument()
                 throws SAXException

Receive notification of the end of the document.

By default, do nothing. Application writers may override this method in a subclass to take specific actions at the end of a document (such as finalizing a tree or closing an output file).

Specified by:

endDocument in interface ContentHandler

Overrides:

endDocument in class DefaultHandler

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

startElement

public void startElement(String uri,
 String localName,
 String qName,
 Attributes attributes)
                  throws SAXException

Receive notification of the start of an element.

By default, write a XML start tag and attributes.

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class DefaultHandler

Parameters:

uri - 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.

attributes - 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.

characters

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

/** Receive notification of character data inside an element.

By default, write a XML text content

Specified by:

characters in interface ContentHandler

Overrides:

characters in class DefaultHandler

Parameters:

ch - The characters.

start - The start position in the character array.

length - The number of characters to use from the character array.

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.

endElement

public void endElement(String uri,
 String localName,
 String qName)
                throws SAXException

Receive notification of the end of an element.

By default, write a XML end tag

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class DefaultHandler

Parameters:

uri - 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.

Throws:

SAXException - Any SAX exception, possibly wrapping another exception.