/**@class org.xml.sax.helpers.DefaultHandler implements org.xml.sax.EntityResolver implements org.xml.sax.DTDHandler implements org.xml.sax.ContentHandler implements org.xml.sax.ErrorHandler @extends java.lang.Object Default base class for SAX2 event handlers. <blockquote> <em>This module, both source code and documentation, is in the Public Domain, and comes with <strong>NO WARRANTY</strong>.</em> See <a href='http://www.saxproject.org'>http://www.saxproject.org</a> for further information. </blockquote> <p>This class is available as a convenience base class for SAX2 applications: it provides default implementations for all of the callbacks in the four core SAX2 handler classes:</p> <ul> <li>{@link org.xml.sax.EntityResolver EntityResolver}</li> <li>{@link org.xml.sax.DTDHandler DTDHandler}</li> <li>{@link org.xml.sax.ContentHandler ContentHandler}</li> <li>{@link org.xml.sax.ErrorHandler ErrorHandler}</li> </ul> <p>Application writers can extend this class when they need to implement only part of an interface; parser writers can instantiate this class to provide default handlers when the application has not supplied its own.</p> <p>This class replaces the deprecated SAX1 {@link org.xml.sax.HandlerBase HandlerBase} class.</p> @since SAX 2.0 @author David Megginson, @version 2.0.1 (sax2r2) @see org.xml.sax.EntityResolver @see org.xml.sax.DTDHandler @see org.xml.sax.ContentHandler @see org.xml.sax.ErrorHandler */ var DefaultHandler = { /**Resolve an external entity. <p>Always return null, so that the parser will use the system identifier provided in the XML document. This method implements the SAX default behaviour: application writers can override it in a subclass to do special translations such as catalog lookups or URI redirection.</p> @param {String} publicId The public identifier, or null if none is available. @param {String} systemId The system identifier provided in the XML document. @return {Object {org.xml.sax.InputSource}} The new input source, or null to require the default behaviour. @exception java.io.IOException If there is an error setting up the new input source. @exception org.xml.sax.SAXException Any SAX exception, possibly wrapping another exception. @see org.xml.sax.EntityResolver#resolveEntity */ resolveEntity : function( ) {}, /**Receive notification of a notation declaration. <p>By default, do nothing. Application writers may override this method in a subclass if they wish to keep track of the notations declared in a document.</p> @param {String} name The notation name. @param {String} publicId The notation public identifier, or null if not available. @param {String} systemId The notation system identifier. @exception org.xml.sax.SAXException Any SAX exception, possibly wrapping another exception. @see org.xml.sax.DTDHandler#notationDecl */ notationDecl : function( ) {}, /**Receive notification of an unparsed entity declaration. <p>By default, do nothing. Application writers may override this method in a subclass to keep track of the unparsed entities declared in a document.</p> @param {String} name The entity name. @param {String} publicId The entity public identifier, or null if not available. @param {String} systemId The entity system identifier. @param {String} notationName The name of the associated notation. @exception org.xml.sax.SAXException Any SAX exception, possibly wrapping another exception. @see org.xml.sax.DTDHandler#unparsedEntityDecl */ unparsedEntityDecl : function( ) {}, /**Receive a Locator object for document events. <p>By default, do nothing. Application writers may override this method in a subclass if they wish to store the locator for use with other document events.</p> @param {Object {Locator}} locator A locator for all SAX document events. @see org.xml.sax.ContentHandler#setDocumentLocator @see org.xml.sax.Locator */ setDocumentLocator : function( ) {}, /**Receive notification of the beginning of the document. <p>By default, do nothing. Application writers may override this method in a subclass to take specific actions at the beginning of a document (such as allocating the root node of a tree or creating an output file).</p> @exception org.xml.sax.SAXException Any SAX exception, possibly wrapping another exception. @see org.xml.sax.ContentHandler#startDocument */ startDocument : function( ) {}, /**Receive notification of the end of the document. <p>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 finalising a tree or closing an output file).</p> @exception org.xml.sax.SAXException Any SAX exception, possibly wrapping another exception. @see org.xml.sax.ContentHandler#endDocument */ endDocument : function( ) {}, /**Receive notification of the start of a Namespace mapping. <p>By default, do nothing. Application writers may override this method in a subclass to take specific actions at the start of each Namespace prefix scope (such as storing the prefix mapping).</p> @param {String} prefix The Namespace prefix being declared. @param {String} uri The Namespace URI mapped to the prefix. @exception org.xml.sax.SAXException Any SAX exception, possibly wrapping another exception. @see org.xml.sax.ContentHandler#startPrefixMapping */ startPrefixMapping : function( ) {}, /**Receive notification of the end of a Namespace mapping. <p>By default, do nothing. Application writers may override this method in a subclass to take specific actions at the end of each prefix mapping.</p> @param {String} prefix The Namespace prefix being declared. @exception org.xml.sax.SAXException Any SAX exception, possibly wrapping another exception. @see org.xml.sax.ContentHandler#endPrefixMapping */ endPrefixMapping : function( ) {}, /**Receive notification of the start of an element. <p>By default, do nothing. Application writers may override this method in a subclass to take specific actions at the start of each element (such as allocating a new tree node or writing output to a file).</p> @param {String} uri The Namespace URI, or the empty string if the element has no Namespace URI or if Namespace processing is not being performed. @param {String} localName The local name (without prefix), or the empty string if Namespace processing is not being performed. @param {String} qName The qualified name (with prefix), or the empty string if qualified names are not available. @param {Object {Attributes}} attributes The attributes attached to the element. If there are no attributes, it shall be an empty Attributes object. @exception org.xml.sax.SAXException Any SAX exception, possibly wrapping another exception. @see org.xml.sax.ContentHandler#startElement */ startElement : function( ) {}, /**Receive notification of the end of an element. <p>By default, do nothing. Application writers may override this method in a subclass to take specific actions at the end of each element (such as finalising a tree node or writing output to a file).</p> @param {String} uri The Namespace URI, or the empty string if the element has no Namespace URI or if Namespace processing is not being performed. @param {String} localName The local name (without prefix), or the empty string if Namespace processing is not being performed. @param {String} qName The qualified name (with prefix), or the empty string if qualified names are not available. @exception org.xml.sax.SAXException Any SAX exception, possibly wrapping another exception. @see org.xml.sax.ContentHandler#endElement */ endElement : function( ) {}, /**Receive notification of character data inside an element. <p>By default, do nothing. Application writers may override this method to take specific actions for each chunk of character data (such as adding the data to a node or buffer, or printing it to a file).</p> @param {Object {char[]}} ch The characters. @param {Number} start The start position in the character array. @param {Number} length The number of characters to use from the character array. @exception org.xml.sax.SAXException Any SAX exception, possibly wrapping another exception. @see org.xml.sax.ContentHandler#characters */ characters : function( ) {}, /**Receive notification of ignorable whitespace in element content. <p>By default, do nothing. Application writers may override this method to take specific actions for each chunk of ignorable whitespace (such as adding data to a node or buffer, or printing it to a file).</p> @param {Object {char[]}} ch The whitespace characters. @param {Number} start The start position in the character array. @param {Number} length The number of characters to use from the character array. @exception org.xml.sax.SAXException Any SAX exception, possibly wrapping another exception. @see org.xml.sax.ContentHandler#ignorableWhitespace */ ignorableWhitespace : function( ) {}, /**Receive notification of a processing instruction. <p>By default, do nothing. Application writers may override this method in a subclass to take specific actions for each processing instruction, such as setting status variables or invoking other methods.</p> @param {String} target The processing instruction target. @param {String} data The processing instruction data, or null if none is supplied. @exception org.xml.sax.SAXException Any SAX exception, possibly wrapping another exception. @see org.xml.sax.ContentHandler#processingInstruction */ processingInstruction : function( ) {}, /**Receive notification of a skipped entity. <p>By default, do nothing. Application writers may override this method in a subclass to take specific actions for each processing instruction, such as setting status variables or invoking other methods.</p> @param {String} name The name of the skipped entity. @exception org.xml.sax.SAXException Any SAX exception, possibly wrapping another exception. @see org.xml.sax.ContentHandler#processingInstruction */ skippedEntity : function( ) {}, /**Receive notification of a parser warning. <p>The default implementation does nothing. Application writers may override this method in a subclass to take specific actions for each warning, such as inserting the message in a log file or printing it to the console.</p> @param {Object {SAXParseException}} e The warning information encoded as an exception. @exception org.xml.sax.SAXException Any SAX exception, possibly wrapping another exception. @see org.xml.sax.ErrorHandler#warning @see org.xml.sax.SAXParseException */ warning : function( ) {}, /**Receive notification of a recoverable parser error. <p>The default implementation does nothing. Application writers may override this method in a subclass to take specific actions for each error, such as inserting the message in a log file or printing it to the console.</p> @param {Object {SAXParseException}} e The warning information encoded as an exception. @exception org.xml.sax.SAXException Any SAX exception, possibly wrapping another exception. @see org.xml.sax.ErrorHandler#warning @see org.xml.sax.SAXParseException */ error : function( ) {}, /**Report a fatal XML parsing error. <p>The default implementation throws a SAXParseException. Application writers may override this method in a subclass if they need to take specific actions for each fatal error (such as collecting all of the errors into a single report): in any case, the application must stop all regular processing when this method is invoked, since the document is no longer reliable, and the parser may no longer report parsing events.</p> @param {Object {SAXParseException}} e The error information encoded as an exception. @exception org.xml.sax.SAXException Any SAX exception, possibly wrapping another exception. @see org.xml.sax.ErrorHandler#fatalError @see org.xml.sax.SAXParseException */ fatalError : function( ) {}, };