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## org.jdom.input
Class SAXHandler

    java.lang.Object
      |
      +--org.xml.sax.helpers.DefaultHandler
            |
            +--org.jdom.input.SAXHandler

All Implemented Interfaces:
  org.xml.sax.ContentHandler, org.xml.sax.ext.DeclHandler, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler, org.xml.sax.ext.LexicalHandler

public class SAXHandler
extends org.xml.sax.helpers.DefaultHandler
implements org.xml.sax.ext.LexicalHandler, org.xml.sax.ext.DeclHandler, org.xml.sax.DTDHandler

A support class for `SAXBuilder`.

Version:
  $Revision: 1.64 $, $Date: 2004/02/06 09:28:31 $
Author:
  Brett McLaughlin, Jason Hunter, Philip Nelson, Bradley S. Huffman, phil@triloggroup.com

Constructor Summary
`SAXHandler()` This will create a new `SAXHandler` that listens to SAX events and creates a JDOM Document.
`SAXHandler(JDOMFactory factory)` This will create a new `SAXHandler` that listens to SAX events and creates a JDOM Document.

Method Summary
`void` | `attributeDecl(java.lang.String eName, java.lang.String aName, java.lang.String type, java.lang.String valueDefault, java.lang.String value)` This handles an attribute declaration in the internal subset.
`void` | `characters(char[] ch, int start, int length)` This will report character data (within an element).
`void` | `comment(char[] ch, int start, int length)` This reports that a comments is parsed.
`void` | `elementDecl(java.lang.String name, java.lang.String model)` Handle an element declaration in a DTD.
`void` | `endCDATA()` Report a CDATA section
`void` | `endDTD()` This signifies that the reading of the DTD is complete.
`void` | `endElement(java.lang.String namespaceURI, java.lang.String localName, java.lang.String qName)` Indicates the end of an element (`</[element name]>`) is reached.
`void` | `endEntity(java.lang.String name)`
`void` | `externalEntityDecl(java.lang.String name, java.lang.String publicID, java.lang.String systemID)` This is called when the parser encounters an external entity declaration.
`protected void` | `flushCharacters(java.lang.String data)` Flush the given string into the document.
`Element` | `getCurrentElement()` Returns the being-parsed element.
`Document` | `getDocument()` Returns the document.
`org.xml.sax.Locator` | `getDocumentLocator()` Provides access to the `Locator` object provided by the SAX parser.
`boolean` | `getExpandEntities()` Returns whether or not entities will be expanded during the build.
`JDOMFactory` | `getFactory()` Returns the factory used for constructing objects.
`boolean` | `getIgnoringElementContentWhitespace()` Returns whether or not the parser will elminate whitespace in element content (sometimes known as "ignorable whitespace") when building the document.
`void` | `ignorableWhitespace(char[] ch, int start, int length)` Capture ignorable whitespace as text.
`void` | `internalEntityDecl(java.lang.String name, java.lang.String value)` Handle an internal entity declaration in a DTD.
`void` | `notationDecl(java.lang.String name, java.lang.String publicID, java.lang.String systemID)` Handle the declaration of a Notation in a DTD
`void` | `processingInstruction(java.lang.String target, java.lang.String data)` This will indicate that a processing instruction has been encountered.
`protected void` | `pushElement(Element element)` Pushes an element onto the tree under construction.
`void` | `setDocumentLocator(org.xml.sax.Locator locator)` Receives an object for locating the origin of SAX document events.
`void` | `setExpandEntities(boolean expand)` This sets whether or not to expand entities during the build.
`void` | `setIgnoringElementContentWhitespace(boolean ignoringWhite)` Specifies whether or not the parser should elminate whitespace in element content (sometimes known as "ignorable whitespace") when building the document.
`void` | `skippedEntity(java.lang.String name)` This indicates that an unresolvable entity reference has been encountered, normally because the external DTD subset has not been read.
`void` | `startCDATA()` Report a CDATA section
`void` | `startDocument()`
`void` | `startDTD(java.lang.String name, java.lang.String publicID, java.lang.String systemID)` This will signify that a DTD is being parsed, and can be used to ensure that comments and other lexical structures in the DTD are not added to the JDOM `Document` object.
`void` | `startElement(java.lang.String namespaceURI, java.lang.String localName, java.lang.String qName, org.xml.sax.Attributes atts)` This reports the occurrence of an actual element.
`void` | `startEntity(java.lang.String name)`
`void` | `startPrefixMapping(java.lang.String prefix, java.lang.String uri)` This will add the prefix mapping to the JDOM `Document` object.
`void` | `unparsedEntityDecl(java.lang.String name, java.lang.String publicID, java.lang.String systemID, java.lang.String notationName)` Handler for unparsed entity declarations in the DTD

Methods inherited from class org.xml.sax.helpers.DefaultHandler
`endDocument, endPrefixMapping, error, fatalError, resolveEntity, warning`

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

Constructor Detail

### SAXHandler

    public SAXHandler()

  This will create a new `SAXHandler` that listens to SAX events and creates a JDOM Document. The objects will be constructed using the default factory.

### SAXHandler

    public SAXHandler(JDOMFactory factory)

  This will create a new `SAXHandler` that listens to SAX events and creates a JDOM Document. The objects will be constructed using the provided factory.

Parameters:
  `factory` - `JDOMFactory` to be used for constructing objects

Method Detail

### pushElement

    protected void pushElement(Element element)

  Pushes an element onto the tree under construction. Allows subclasses to put content under a dummy root element which is useful for building content that would otherwise be a non-well formed document.

  Parameters:
    `element` - root element under which content will be built

### getDocument

    public Document getDocument()

  Returns the document. Should be called after parsing is complete.

  Returns:
    `Document` - Document that was built

### getFactory

    public JDOMFactory getFactory()

  Returns the factory used for constructing objects.

  Returns:
    `JDOMFactory` - the factory used for constructing objects.
  See Also:
    `SAXHandler(org.jdom.JDOMFactory)`

### setExpandEntities

    public void setExpandEntities(boolean expand)

  This sets whether or not to expand entities during the build. A true means to expand entities as normal content. A false means to leave entities unexpanded as `EntityRef` objects. The default is true.

  Parameters:
    `expand` - `boolean` indicating whether entity expansion should occur.

### getExpandEntities

    public boolean getExpandEntities()

  Returns whether or not entities will be expanded during the build.

  Returns:
    `boolean` - whether entity expansion will occur during build.
  See Also:
    `setExpandEntities(boolean)`

### setIgnoringElementContentWhitespace

    public void setIgnoringElementContentWhitespace(boolean ignoringWhite)

  Specifies whether or not the parser should elminate whitespace in element content (sometimes known as "ignorable whitespace") when building the document. Only whitespace which is contained within element content that has an element only content model will be eliminated (see XML Rec 3.2.1). For this setting to take effect requires that validation be turned on. The default value of this setting is `false`.

  Parameters:
    `ignoringWhite` - Whether to ignore ignorable whitespace

### getIgnoringElementContentWhitespace

    public boolean getIgnoringElementContentWhitespace()

  Returns whether or not the parser will elminate whitespace in element content (sometimes known as "ignorable whitespace") when building the document.

  Returns:
    `boolean` - whether ignorable whitespace will be ignored during build.
  See Also:
    `setIgnoringElementContentWhitespace(boolean)`

### startDocument

    public void startDocument()

  Specified by:
    `startDocument` in interface `org.xml.sax.ContentHandler`
  Overrides:
    `startDocument` in class `org.xml.sax.helpers.DefaultHandler`

### externalEntityDecl

    public void externalEntityDecl(java.lang.String name,
                                   java.lang.String publicID,
                                   java.lang.String systemID)
                            throws org.xml.sax.SAXException

  This is called when the parser encounters an external entity declaration.

  Specified by:
    `externalEntityDecl` in interface `org.xml.sax.ext.DeclHandler`
  Parameters:
    `name` - entity name
    `publicID` - public id
    `systemID` - system id
  Throws:
    `org.xml.sax.SAXException` - when things go wrong

### attributeDecl

    public void attributeDecl(java.lang.String eName,
                              java.lang.String aName,
                              java.lang.String type,
                              java.lang.String valueDefault,
                              java.lang.String value)
                       throws org.xml.sax.SAXException

  This handles an attribute declaration in the internal subset.

  Specified by:
    `attributeDecl` in interface `org.xml.sax.ext.DeclHandler`
  Parameters:
    `eName` - `String` element name of attribute
    `aName` - `String` attribute name
    `type` - `String` attribute type
    `valueDefault` - `String` default value of attribute
    `value` - `String` value of attribute
    `org.xml.sax.SAXException`

### elementDecl

    public void elementDecl(java.lang.String name,
                            java.lang.String model)
                     throws org.xml.sax.SAXException

  Handle an element declaration in a DTD.

  Specified by:
    `elementDecl` in interface `org.xml.sax.ext.DeclHandler`
  Parameters:
    `name` - `String` name of element
    `model` - `String` model of the element in DTD syntax
    `org.xml.sax.SAXException`

### internalEntityDecl

    public void internalEntityDecl(java.lang.String name,
                                   java.lang.String value)
                            throws org.xml.sax.SAXException

  Handle an internal entity declaration in a DTD.

  Specified by:
    `internalEntityDecl` in interface `org.xml.sax.ext.DeclHandler`
  Parameters:
    `name` - `String` name of entity
    `value` - `String` value of the entity
    `org.xml.sax.SAXException`

### processingInstruction

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

  This will indicate that a processing instruction has been encountered. (The XML declaration is not a processing instruction and will not be reported.)

  Specified by:
    `processingInstruction` in interface `org.xml.sax.ContentHandler`
  Overrides:
    `processingInstruction` in class `org.xml.sax.helpers.DefaultHandler`
  Parameters:
    `target` - `String` target of PI
    `data` - `String` containing all data sent to the PI. This typically looks like one or more attribute value pairs.
  Throws:
    `org.xml.sax.SAXException` - when things go wrong

### skippedEntity

    public void skippedEntity(java.lang.String name)
                       throws org.xml.sax.SAXException

  This indicates that an unresolvable entity reference has been encountered, normally because the external DTD subset has not been read.

  Specified by:
    `skippedEntity` in interface `org.xml.sax.ContentHandler`
  Overrides:
    `skippedEntity` in class `org.xml.sax.helpers.DefaultHandler`
  Parameters:
    `name` - `String` name of entity
  Throws:
    `org.xml.sax.SAXException` - when things go wrong

### startPrefixMapping

    public void startPrefixMapping(java.lang.String prefix,
                                   java.lang.String uri)
                            throws org.xml.sax.SAXException

  This will add the prefix mapping to the JDOM `Document` object.

  Specified by:
    `startPrefixMapping` in interface `org.xml.sax.ContentHandler`
  Overrides:
    `startPrefixMapping` in class `org.xml.sax.helpers.DefaultHandler`
  Parameters:
    `prefix` - `String` namespace prefix.
    `uri` - `String` namespace URI.
    `org.xml.sax.SAXException`

### startElement

    public void startElement(java.lang.String namespaceURI,
                             java.lang.String localName,
                             java.lang.String qName,
                             org.xml.sax.Attributes atts)
                      throws org.xml.sax.SAXException

  This reports the occurrence of an actual element. It will include the element's attributes, with the exception of XML vocabulary specific attributes, such as `xmlns:[namespace prefix]` and `xsi:schemaLocation`.

  Specified by:
    `startElement` in interface `org.xml.sax.ContentHandler`
  Overrides:
    `startElement` in class `org.xml.sax.helpers.DefaultHandler`
  Parameters:
    `namespaceURI` - `String` namespace URI this element is associated with, or an empty `String`
    `localName` - `String` name of element (with no namespace prefix, if one is present)
    `qName` - `String` XML 1.0 version of element name: [namespace prefix]:[localName]
    `atts` - `Attributes` list for this element
  Throws:
    `org.xml.sax.SAXException` - when things go wrong

### characters

    public void characters(char[] ch,
                           int start,
                           int length)
                    throws org.xml.sax.SAXException

  This will report character data (within an element).

  Specified by:
    `characters` in interface `org.xml.sax.ContentHandler`
  Overrides:
    `characters` in class `org.xml.sax.helpers.DefaultHandler`
  Parameters:
    `ch` - `char[]` character array with character data
    `start` - `int` index in array where data starts.
    `length` - `int` length of data.
    `org.xml.sax.SAXException`

### ignorableWhitespace

    public void ignorableWhitespace(char[] ch,
                                    int start,
                                    int length)
                             throws org.xml.sax.SAXException

  Capture ignorable whitespace as text. If setIgnoringElementContentWhitespace(true) has been called then this method does nothing.

  Specified by:
    `ignorableWhitespace` in interface `org.xml.sax.ContentHandler`
  Overrides:
    `ignorableWhitespace` in class `org.xml.sax.helpers.DefaultHandler`
  Parameters:
    `ch` - `[]` - char array of ignorable whitespace
    `start` - `int` - starting position within array
    `length` - `int` - length of whitespace after start
  Throws:
    `org.xml.sax.SAXException` - when things go wrong

### flushCharacters

    protected void flushCharacters(java.lang.String data)
                            throws org.xml.sax.SAXException

  Flush the given string into the document. This is a protected method so subclassers can control text handling without knowledge of the internals of this class.

    `org.xml.sax.SAXException`

### endElement

    public void endElement(java.lang.String namespaceURI,
                           java.lang.String localName,
                           java.lang.String qName)
                    throws org.xml.sax.SAXException

  Indicates the end of an element (`</[element name]>`) is reached. Note that the parser does not distinguish between empty elements and non-empty elements, so this will occur uniformly.

  Specified by:
    `endElement` in interface `org.xml.sax.ContentHandler`
  Overrides:
    `endElement` in class `org.xml.sax.helpers.DefaultHandler`
  Parameters:
    `namespaceURI` - `String` URI of namespace this element is associated with
    `localName` - `String` name of element without prefix
    `qName` - `String` name of element in XML 1.0 form
  Throws:
    `org.xml.sax.SAXException` - when things go wrong

### startDTD

    public void startDTD(java.lang.String name,
                         java.lang.String publicID,
                         java.lang.String systemID)
                  throws org.xml.sax.SAXException

  This will signify that a DTD is being parsed, and can be used to ensure that comments and other lexical structures in the DTD are not added to the JDOM `Document` object.

  Specified by:
    `startDTD` in interface `org.xml.sax.ext.LexicalHandler`
  Parameters:
    `name` - `String` name of element listed in DTD
    `publicID` - `String` public ID of DTD
    `systemID` - `String` system ID of DTD
    `org.xml.sax.SAXException`

### endDTD

    public void endDTD()
                throws org.xml.sax.SAXException

  This signifies that the reading of the DTD is complete.

  Specified by:
    `endDTD` in interface `org.xml.sax.ext.LexicalHandler`
    `org.xml.sax.SAXException`

### startEntity

    public void startEntity(java.lang.String name)
                     throws org.xml.sax.SAXException

  Specified by:
    `startEntity` in interface `org.xml.sax.ext.LexicalHandler`
    `org.xml.sax.SAXException`

### endEntity

    public void endEntity(java.lang.String name)
                   throws org.xml.sax.SAXException

  Specified by:
    `endEntity` in interface `org.xml.sax.ext.LexicalHandler`
    `org.xml.sax.SAXException`

### startCDATA

    public void startCDATA()
                    throws org.xml.sax.SAXException

  Report a CDATA section

  Specified by:
    `startCDATA` in interface `org.xml.sax.ext.LexicalHandler`
    `org.xml.sax.SAXException`

### endCDATA

    public void endCDATA()
                  throws org.xml.sax.SAXException

  Report a CDATA section

  Specified by:
    `endCDATA` in interface `org.xml.sax.ext.LexicalHandler`
    `org.xml.sax.SAXException`

### comment

    public void comment(char[] ch,
                        int start,
                        int length)
                 throws org.xml.sax.SAXException

  This reports that a comments is parsed. If not in the DTD, this comment is added to the current JDOM `Element`, or the `Document` itself if at that level.

  Specified by:
    `comment` in interface `org.xml.sax.ext.LexicalHandler`
  Parameters:
    `ch` - `ch[]` array of comment characters.
    `start` - `int` index to start reading from.
    `length` - `int` length of data.
    `org.xml.sax.SAXException`

### notationDecl

    public void notationDecl(java.lang.String name,
                             java.lang.String publicID,
                             java.lang.String systemID)
                      throws org.xml.sax.SAXException

  Handle the declaration of a Notation in a DTD

  Specified by:
    `notationDecl` in interface `org.xml.sax.DTDHandler`
  Overrides:
    `notationDecl` in class `org.xml.sax.helpers.DefaultHandler`
  Parameters:
    `name` - name of the notation
    `publicID` - the public ID of the notation
    `systemID` - the system ID of the notation
    `org.xml.sax.SAXException`

### unparsedEntityDecl

    public void unparsedEntityDecl(java.lang.String name,
                                   java.lang.String publicID,
                                   java.lang.String systemID,
                                   java.lang.String notationName)
                            throws org.xml.sax.SAXException

  Handler for unparsed entity declarations in the DTD

  Specified by:
    `unparsedEntityDecl` in interface `org.xml.sax.DTDHandler`
  Overrides:
    `unparsedEntityDecl` in class `org.xml.sax.helpers.DefaultHandler`
  Parameters:
    `name` - `String` of the unparsed entity decl
    `publicID` - `String` of the unparsed entity decl
    `systemID` - `String` of the unparsed entity decl
    `notationName` - `String` of the unparsed entity decl
    `org.xml.sax.SAXException`

### getCurrentElement

    public Element getCurrentElement()
                              throws org.xml.sax.SAXException

  Returns the being-parsed element.

  Returns:
    `Element` - element being built.
    `org.xml.sax.SAXException`

### setDocumentLocator

    public void setDocumentLocator(org.xml.sax.Locator locator)

  Receives an object for locating the origin of SAX document events. This method is invoked by the SAX parser.

  `JDOMFactory` implementations can use the `getDocumentLocator()` method to get access to the `Locator` during parse.

  Specified by:
    `setDocumentLocator` in interface `org.xml.sax.ContentHandler`
  Overrides:
    `setDocumentLocator` in class `org.xml.sax.helpers.DefaultHandler`
  Parameters:
    `locator` - `Locator` an object that can return the location of any SAX document event.

### getDocumentLocator

    public org.xml.sax.Locator getDocumentLocator()

  Provides access to the `Locator` object provided by the SAX parser.

  Returns:
    `Locator` an object that can return the location of any SAX document event.

Overview | Package | Class | Use | Tree | Deprecated | Index | Help
| JDOM 1.0beta10
PREV CLASS NEXT CLASS | FRAMES NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD

Copyright © 2004 Jason Hunter, Brett McLaughlin. All Rights Reserved.