DOT语言parser

DOTParser

{

setContentHandler(DefaultHandler); //set a handler for handling elements met

parse(InputStream); //to start parse dot from input stream

}

DOTParseException

{}

DefaultHandler //interface

{

void startDocument(); //Receive notification of the beginning of the document.

void endDocument(); //Receive notification of the end of the document.

void warning(DOTParseException); //Receive notification of a parser warning.

void error(); //Receive notification of a recoverable parser error.

void fatalError(); //Report a fatal DOT parsing error.

void startGraph(); //Receivenotification of the beginning of a graph

void endGraph(); //Receive notification of the end of a graph

void startNode(); //Receive notification of the beginning of a node

void endNode(); //Receive notification of the end of a node

void startEdge(); //Receive notification of the beginning of a edge

void endEdge(); //Receive notification of the end of a edge

void startAttr(); //Receive notification of the beginning of a attribution

void endAttr(); //Receive notification of the end of a attribution

void startSubgraph(); //Receive notificatin ot the beginning of a sub graph

void endSubgraph(); //Receive notification of the end of a sub graph

}