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## org.apache.xml.serializer
Class ToSAXHandler

    java.lang.Object
      org.apache.xml.serializer.SerializerBase
          org.apache.xml.serializer.ToSAXHandler

All Implemented Interfaces:
  ContentHandler, DeclHandler, DOM2DTM.CharacterNodeHandler, DOMSerializer, ErrorHandler, ExtendedContentHandler, ExtendedLexicalHandler, LexicalHandler, SerializationHandler, Serializer, SerializerConstants, XSLOutputAttributes

Direct Known Subclasses:
  ToHTMLSAXHandler, ToTextSAXHandler, ToXMLSAXHandler

public abstract class ToSAXHandler
extends SerializerBase

Author:
  Santiago Pericas-Geertsen, G. Todd Miller

Field Summary

Fields inherited from interface org.apache.xml.serializer.ExtendedContentHandler
`HTML_ATTREMPTY, HTML_ATTRURL, NO_BAD_CHARS`

Fields inherited from interface org.apache.xml.serializer.SerializerConstants
`BEGCDATA, CDATA_CONTINUE, CDATA_DELIMITER_CLOSE, CDATA_DELIMITER_OPEN, CNTCDATA, DEFAULT_SAX_SERIALIZER, EMPTYSTRING, ENDCDATA, ENTITY_AMP, ENTITY_CRLF, ENTITY_GT, ENTITY_LT, ENTITY_QUOT, XML_PREFIX, XMLNS_PREFIX, XMLNS_URI`

Constructor Summary
`ToSAXHandler()`
`ToSAXHandler(ContentHandler hdlr, LexicalHandler lex, java.lang.String encoding)`
`ToSAXHandler(ContentHandler handler, java.lang.String encoding)`

Method Summary
`void` | `addUniqueAttribute(java.lang.String qName, java.lang.String value, int flags)` Add a unique attribute
`void` | `characters(Node node)` This method gets the node's value as a String and uses that String as if it were an input character notification.
`void` | `characters(java.lang.String characters)` Receive notification of character data.
`void` | `comment(java.lang.String comment)` Receive notification of a comment.
`void` | `error(SAXParseException exc)` Receive notification of a recoverable error.
`void` | `fatalError(SAXParseException exc)` Receive notification of a non-recoverable error.
`void` | `flushPending()` This method flushes any pending events, which can be startDocument() closing the opening tag of an element, or closing an open CDATA section.
`void` | `processingInstruction(java.lang.String target, java.lang.String data)` Do nothing as this is an abstract class.
`boolean` | `reset()` Try's to reset the super class and reset this class for re-use, so that you don't need to create a new serializer (mostly for performance reasons).
`void` | `setCdataSectionElements(java.util.Vector URI_and_localNames)` Does nothing.
`void` | `setContentHandler(ContentHandler _saxHandler)` Sets the SAX ContentHandler.
`void` | `setLexHandler(LexicalHandler _lexHandler)` Sets the LexicalHandler.
`void` | `setShouldOutputNSAttr(boolean doOutputNSAttr)` Set whether or not namespace declarations (e.g.
`void` | `setTransformState(TransformStateSetter ts)` Pass in a reference to a TransformState object, which can be used during SAX ContentHandler events to obtain information about he state of the transformation.
`void` | `startDTD(java.lang.String arg0, java.lang.String arg1, java.lang.String arg2)` Do nothing.
`void` | `startElement(java.lang.String qName)` An element starts, but attributes are not fully known yet.
`void` | `startElement(java.lang.String uri, java.lang.String localName, java.lang.String qName)` Receives notification that an element starts, but attributes are not fully known yet.
`void` | `startElement(java.lang.String arg0, java.lang.String arg1, java.lang.String arg2, Attributes arg3)` Receive notification of the beginning of an element, although this is a SAX method additional namespace or attribute information can occur before or after this call, that is associated with this element.
`void` | `warning(SAXParseException exc)` Receive notification of a warning.

Methods inherited from class org.apache.xml.serializer.SerializerBase
`addAttribute, addAttribute, addAttributeAlways, addAttributes, asContentHandler, asDOMSerializer, close, endEntity, entityReference, fireEndEntity, getDoctypePublic, getDoctypeSystem, getEncoding, getIndent, getIndentAmount, getMediaType, getNamespaceMappings, getNamespaceURI, getNamespaceURIFromPrefix, getOmitXMLDeclaration, getPrefix, getStandalone, getTransformer, getVersion, namespaceAfterStartElement, setDoctype, setDoctypePublic, setDoctypeSystem, setDocumentLocator, setEncoding, setIndent, setIndentAmount, setMediaType, setNamespaceMappings, setOmitXMLDeclaration, setSourceLocator, setStandalone, setTransformer, setVersion, startDocument`

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface org.apache.xml.serializer.SerializationHandler
`serialize, setEscaping`

Methods inherited from interface org.apache.xml.serializer.ExtendedContentHandler
`endElement, startPrefixMapping`

Methods inherited from interface org.xml.sax.ContentHandler
`characters, endDocument, endElement, endPrefixMapping, ignorableWhitespace, skippedEntity, startPrefixMapping`

Methods inherited from interface org.xml.sax.ext.LexicalHandler
`comment, endCDATA, endDTD, startCDATA, startEntity`

Methods inherited from interface org.xml.sax.ext.DeclHandler
`attributeDecl, elementDecl, externalEntityDecl, internalEntityDecl`

Methods inherited from interface org.apache.xml.serializer.Serializer
`getOutputFormat, getOutputStream, getWriter, setOutputFormat, setOutputStream, setWriter`

Constructor Detail

### ToSAXHandler

    public ToSAXHandler()

### ToSAXHandler

    public ToSAXHandler(ContentHandler hdlr,
                        LexicalHandler lex,
                        java.lang.String encoding)

### ToSAXHandler

    public ToSAXHandler(ContentHandler handler,
                        java.lang.String encoding)

Method Detail

### startDTD

    public void startDTD(java.lang.String arg0,
                         java.lang.String arg1,
                         java.lang.String arg2)
                  throws SAXException

  Do nothing.

  Parameters:
    `arg0` - The document type name.
    `arg1` - The declared public identifier for the external DTD subset, or null if none was declared.
    `arg2` - The declared system identifier for the external DTD subset, or null if none was declared. (Note that this is not resolved against the document base URI.)
  Throws:
    `SAXException` - The application may raise an exception.
  See Also:
    `LexicalHandler.startDTD(String, String, String)`

### characters

    public void characters(java.lang.String characters)
                    throws SAXException

  Receive notification of character data.

  Parameters:
    `characters` - the character data
  Throws:
    `SAXException`
  See Also:
    `ExtendedContentHandler.characters(String)`

### comment

    public void comment(java.lang.String comment)
                 throws SAXException

  Receive notification of a comment.

  Specified by:
    `comment` in interface `ExtendedLexicalHandler`
  Overrides:
    `comment` in class `SerializerBase`
  Throws:
    `SAXException`
  See Also:
    `ExtendedLexicalHandler.comment(String)`

### processingInstruction

    public void processingInstruction(java.lang.String target,
                                      java.lang.String data)
                               throws SAXException

  Do nothing as this is an abstract class. All subclasses will need to define their behavior if it is different.

  Parameters:
    `target` - The processing instruction target.
    `data` - The processing instruction data, or null if none was supplied. The data does not include any whitespace separating it from the target.
  Throws:
    `SAXException` - Any SAX exception, possibly wrapping another exception.
  See Also:
    `ContentHandler.processingInstruction(String, String)`

### startElement

    public void startElement(java.lang.String arg0,
                             java.lang.String arg1,
                             java.lang.String arg2,
                             Attributes arg3)
                      throws SAXException

  Receive notification of the beginning of an element, although this is a SAX method additional namespace or attribute information can occur before or after this call, that is associated with this element.

  Parameters:
    `arg0` - The Namespace URI, or the empty string if the element has no Namespace URI or if Namespace processing is not being performed.
    `arg1` - The local name (without prefix), or the empty string if Namespace processing is not being performed.
    `arg2` - The qualified name (with prefix), or the empty string if qualified names are not available.
    `arg3` - 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.
    `SAXException`
  See Also:
    `ContentHandler.startElement(java.lang.String, java.lang.String, java.lang.String, org.xml.sax.Attributes)`, `ContentHandler.endElement(java.lang.String, java.lang.String, java.lang.String)`, `AttributeList`, `ContentHandler.startElement(String,String,String,Attributes)`

### setLexHandler

    public void setLexHandler(LexicalHandler _lexHandler)

  Sets the LexicalHandler.

  Parameters:
    `_lexHandler` - The LexicalHandler to set

### setContentHandler

    public void setContentHandler(ContentHandler _saxHandler)

  Sets the SAX ContentHandler.

  See Also:
    `Serializer.asContentHandler()`, `ToSAXHandler`

### setCdataSectionElements

    public void setCdataSectionElements(java.util.Vector URI_and_localNames)

  Does nothing. The setting of CDATA section elements has an impact on stream serializers.

  Parameters:
    `URI_and_localNames` - pairs of namespace URI and local names that identify elements whose text elements are to be output as CDATA sections. The namespace of the local element must be the given URI to match. The qName is not given because the prefix does not matter, only the namespace URI to which that prefix would map matters, so the prefix itself is not relevant in specifying which elements have their text to be output as CDATA sections.
  See Also:
    `XSLOutputAttributes.setCdataSectionElements(java.util.Vector)`

### setShouldOutputNSAttr

    public void setShouldOutputNSAttr(boolean doOutputNSAttr)

  Set whether or not namespace declarations (e.g. xmlns:foo) should appear as attributes of elements

  Parameters:
    `doOutputNSAttr` - whether or not namespace declarations should appear as attributes

### flushPending

    public void flushPending()
                      throws SAXException

  This method flushes any pending events, which can be startDocument() closing the opening tag of an element, or closing an open CDATA section.

  Throws:
    `SAXException`

### setTransformState

    public void setTransformState(TransformStateSetter ts)

  Pass in a reference to a TransformState object, which can be used during SAX ContentHandler events to obtain information about he state of the transformation. This method will be called before each startDocument event.

  Parameters:
    `ts` - A reference to a TransformState object

### startElement

    public void startElement(java.lang.String uri,
                             java.lang.String localName,
                             java.lang.String qName)
                      throws SAXException

  Receives notification that an element starts, but attributes are not fully known yet.

  Parameters:
    `uri` - the URI of the namespace of the element (optional)
    `localName` - the element name, but without prefix (optional)
    `qName` - the element name, with prefix, if any (required)
  Throws:
    `SAXException`
  See Also:
    `ExtendedContentHandler.startElement(String, String, String)`

### startElement

    public void startElement(java.lang.String qName)
                      throws SAXException

  An element starts, but attributes are not fully known yet.

  Parameters:
    `qName` - the fully qualified name of the element
  Throws:
    `SAXException`
  See Also:
    `ExtendedContentHandler.startElement(String)`

### characters

    public void characters(Node node)
                    throws SAXException

  This method gets the node's value as a String and uses that String as if it were an input character notification.

  Specified by:
    `characters` in interface `DOM2DTM.CharacterNodeHandler`
  Overrides:
    `characters` in class `SerializerBase`
  Parameters:
    `node` - the Node to serialize
  Throws:
    `SAXException`

### fatalError

    public void fatalError(SAXParseException exc)
                    throws SAXException

  Description copied from interface: `ErrorHandler`
  Receive notification of a non-recoverable error.

  This corresponds to the definition of "fatal error" in section 1.2 of the W3C XML 1.0 Recommendation. For example, a parser would use this callback to report the violation of a well-formedness constraint.

  The application must assume that the document is unusable after the parser has invoked this method, and should continue (if at all) only for the sake of collecting addition error messages: in fact, SAX parsers are free to stop reporting any other events once this method has been invoked.

  Specified by:
    `fatalError` in interface `ErrorHandler`
  Overrides:
    `fatalError` in class `SerializerBase`
  Throws:
    `SAXException`
  See Also:
    `ErrorHandler.fatalError(SAXParseException)`

### error

    public void error(SAXParseException exc)
               throws SAXException

  Description copied from interface: `ErrorHandler`
  Receive notification of a recoverable error.

  This corresponds to the definition of "error" in section 1.2 of the W3C XML 1.0 Recommendation. For example, a validating parser would use this callback to report the violation of a validity constraint. The default behaviour is to take no action.

  The SAX parser must continue to provide normal parsing events after invoking this method: it should still be possible for the application to process the document through to the end. If the application cannot do so, then the parser should report a fatal error even if the XML 1.0 recommendation does not require it to do so.

  Filters may use this method to report other, non-XML errors as well.

  Specified by:
    `error` in interface `ErrorHandler`
  Overrides:
    `error` in class `SerializerBase`
  Throws:
    `SAXException`
  See Also:
    `ErrorHandler.error(SAXParseException)`

### warning

    public void warning(SAXParseException exc)
                 throws SAXException

  Description copied from interface: `ErrorHandler`
  Receive notification of a warning.

  SAX parsers will use this method to report conditions that are not errors or fatal errors as defined by the XML 1.0 recommendation. The default behaviour is to take no action.

  The SAX parser must continue to provide normal parsing events after invoking this method: it should still be possible for the application to process the document through to the end.

  Filters may use this method to report other, non-XML warnings as well.

  Specified by:
    `warning` in interface `ErrorHandler`
  Overrides:
    `warning` in class `SerializerBase`
  Throws:
    `SAXException`
  See Also:
    `ErrorHandler.warning(SAXParseException)`

### reset

    public boolean reset()

  Try's to reset the super class and reset this class for re-use, so that you don't need to create a new serializer (mostly for performance reasons).

  Specified by:
    `reset` in interface `Serializer`
  Overrides:
    `reset` in class `SerializerBase`
  Returns:
    true if the class was successfuly reset.
  See Also:
    `Serializer.reset()`

### addUniqueAttribute

    public void addUniqueAttribute(java.lang.String qName,
                                   java.lang.String value,
                                   int flags)
                            throws SAXException

  Add a unique attribute

  Parameters:
    `qName` - the fully qualified attribute name.
    `value` - the attribute value
    `flags` - a bitwise flag
  Throws:
    `SAXException`

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Copyright © 2004 Apache XML Project. All Rights Reserved.