Class DOM2SAX

java.lang.Object

org.apache.fop.util.DOM2SAX

public class DOM2SAX
extends Object

Helper class that produces a SAX stream from a DOM Document.

Part of the code here copied and adapted from Apache Xalan-J, src/org/apache/xalan/xsltc/trax/DOM2SAX.java

Field Summary

Fields

Modifier and Type	Field	Description
private ContentHandler	contentHandler
private static final String	EMPTYSTRING
private LexicalHandler	lexicalHandler
private Map	prefixes
private static final String	XMLNS_PREFIX

Constructor Summary

Constructors

Constructor	Description
DOM2SAX(ContentHandler handler)	Main constructor

Method Summary

Modifier and Type	Method	Description
private void	endPrefixMapping(String prefix)
private static String	getLocalName(Node node)	If the DOM was created using a DOM 1.0 API, the local name may be null.
private boolean	startPrefixMapping(String prefix, String uri)	Begin the scope of namespace prefix.
void	writeDocument(Document doc, boolean fragment)	Writes the given document using the given ContentHandler.
void	writeFragment(Node node)	Writes the given fragment using the given ContentHandler.
private void	writeNode(Node node)	Writes a node using the given writer.

Methods inherited from class Object

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

Field Details

EMPTYSTRING

private static final String EMPTYSTRING

See Also:

• Constant Field Values

XMLNS_PREFIX

private static final String XMLNS_PREFIX

See Also:

• Constant Field Values

contentHandler

private ContentHandler contentHandler

lexicalHandler

private LexicalHandler lexicalHandler

prefixes

private Map prefixes

Constructor Details

DOM2SAX

public DOM2SAX(ContentHandler handler)

Main constructor

Parameters:

handler - the ContentHandler to send SAX events to

Method Details

writeDocument

public void writeDocument(Document doc,
 boolean fragment)
                   throws SAXException

Writes the given document using the given ContentHandler.

Parameters:

doc - DOM document

fragment - if false no startDocument() and endDocument() calls are issued.

Throws:

SAXException - In case of a problem while writing XML

writeFragment

public void writeFragment(Node node)
                   throws SAXException

Writes the given fragment using the given ContentHandler.

Parameters:

node - DOM node

Throws:

SAXException - In case of a problem while writing XML

startPrefixMapping

private boolean startPrefixMapping(String prefix,
 String uri)
                            throws SAXException

Begin the scope of namespace prefix. Forward the event to the SAX handler only if the prefix is unknown or it is mapped to a different URI.

Throws:

SAXException

endPrefixMapping

private void endPrefixMapping(String prefix)
                       throws SAXException

Throws:

SAXException

getLocalName

private static String getLocalName(Node node)

If the DOM was created using a DOM 1.0 API, the local name may be null. If so, get the local name from the qualified name before generating the SAX event.

writeNode

private void writeNode(Node node)
                throws SAXException

Writes a node using the given writer.

Parameters:

node - node to serialize

Throws:

SAXException - In case of a problem while writing XML