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Java Source Code / Java Documentation » Apache Harmony Java SE » javax package » javax.swing.text.html.parser   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    javax.swing.text.html.parser.Parser All known Subclasses:   javax.swing.text.html.parser.DocumentParser, Parser public class Parser implements DTDConstants(Code) This class attempts to read and parse an HTML file, which it gets via an Input Stream. The parsing is based on a Document Type Definition ( DTD ), and calls various methods (such as handleError, handleStartTag, etc.) when it finds tags or data. This methods should be overriden in a subclass in order to use the parser. Inner Class :class ParserHandlerImpl implements ParserHandler Field Summary protected  DTD dtd      The actual DTD used to parsed the document. protected  boolean strict      Defines whether the parsing of the document is strict or not. Constructor Summary public   Parser(DTD dtd)      Method Summary protected  void endTag(boolean omitted)      Calls method that reports that a closing tag has been found. protected  void error(String err)      Reports an error message with only one information field. protected  void error(String err, String arg1)      protected  void error(String err, String arg1, String arg2)      protected  void error(String err, String arg1, String arg2, String arg3)      protected  void flushAttributes()      Cleans the information stored in the attribute's stack. protected  SimpleAttributeSet getAttributes()      Returns the attributes stored in the attribute's stack. protected  int getCurrentLine()      Reports the line number where the parser is scanning the parsed file. protected  int getCurrentPos()      Reports the current position that is being parsed on the document.  String getEOLString()      protected  void handleComment(char[] text)      This method is called when a comment is found in the parsed file. protected  void handleEOFInComment()      This method is called when the end of the parsed file is found inside a comment. protected  void handleEmptyTag(TagElement tag)      This method is called when a simple or empty tag is found in the parsed file. protected  void handleEndTag(TagElement tag)      This method is called when a closing tag is found in the parsed file. protected  void handleError(int ln, String msg)      This method is called when an error is found in the parsed file. protected  void handleStartTag(TagElement tag)      This method is called when an opening tag, that is not simple or empty, is found in the parsed file. protected  void handleText(char[] text)      This method is called when a piece of text is found in the parsed file. protected  void handleTitle(char[] text)      This method is called when a title is found in the parsed file. protected  TagElement makeTag(Element elem)      Construct a new TagElement with the information stored into a Element . Parameters:   elem - the Element that constains the information. protected  TagElement makeTag(Element elem, boolean fictional)      Construct a new TagElement with the information stored into a Element . Parameters:   elem - the Element that constains the information. Parameters:   fictional - the value stored in the fictional field of theTagElement. protected  void markFirstTime(Element elem)      It marks the first occurence of an element inside a document. public synchronized  void parse(Reader in)      It parses a HTML document. public  String parseDTDMarkup()      Obtains the information of the last parsed markup declaration in the parsed file. protected  boolean parseMarkupDeclarations(StringBuffer strBuff)      protected  void startTag(TagElement tag)      Field Detail dtd protected DTD dtd(Code) The actual DTD used to parsed the document. strict protected boolean strict(Code) Defines whether the parsing of the document is strict or not. Constructor Detail Parser public Parser(DTD dtd)(Code) Construct a new Parser using the information stored in a DTD Parameters:   dtd - the DTD where the information is stored. Method Detail endTag protected void endTag(boolean omitted)(Code) Calls method that reports that a closing tag has been found. Parameters:   omitted - determines whether the end tag may be omitted or not. error protected void error(String err)(Code) Reports an error message with only one information field. Parameters:   err - the error message. error protected void error(String err, String arg1)(Code) Reports an error message with two information field Parameters:   err - the first part of the message. Parameters:   arg1 - the second part of the message. error protected void error(String err, String arg1, String arg2)(Code) Reports an error message with three information field Parameters:   err - the first part of the message. Parameters:   arg1 - the second part of the message. Parameters:   arg2 - the third part of the message. error protected void error(String err, String arg1, String arg2, String arg3)(Code) Reports an error message with four information field Parameters:   err - the first part of the message. Parameters:   arg1 - the second part of the message. Parameters:   arg2 - the third part of the message. Parameters:   arg3 - the forth part of the message. flushAttributes protected void flushAttributes()(Code) Cleans the information stored in the attribute's stack. getAttributes protected SimpleAttributeSet getAttributes()(Code) Returns the attributes stored in the attribute's stack. the attributes of the actual attribute's stack. getCurrentLine protected int getCurrentLine()(Code) Reports the line number where the parser is scanning the parsed file. the actual line number in the document. getCurrentPos protected int getCurrentPos()(Code) Reports the current position that is being parsed on the document. the actual position into the parsed file. getEOLString String getEOLString()(Code) handleComment protected void handleComment(char[] text)(Code) This method is called when a comment is found in the parsed file. Parameters:   text - the text found as comment. handleEOFInComment protected void handleEOFInComment()(Code) This method is called when the end of the parsed file is found inside a comment. handleEmptyTag protected void handleEmptyTag(TagElement tag) throws ChangedCharSetException(Code) This method is called when a simple or empty tag is found in the parsed file. Parameters:   tag - the TagElement that contains the information of theparsed opening tag. throws:   ChangedCharSetException - handleEndTag protected void handleEndTag(TagElement tag)(Code) This method is called when a closing tag is found in the parsed file. Parameters:   tag - the TagElement that contains the information of theparsed opening tag. handleError protected void handleError(int ln, String msg)(Code) This method is called when an error is found in the parsed file. Parameters:   ln - the line number where the error was found. Parameters:   msg - an appropiate message for the found error. handleStartTag protected void handleStartTag(TagElement tag)(Code) This method is called when an opening tag, that is not simple or empty, is found in the parsed file. Parameters:   tag - the TagElement that contains the information of theparsed opening tag. handleText protected void handleText(char[] text)(Code) This method is called when a piece of text is found in the parsed file. Parameters:   text - the piece of text found in the document. handleTitle protected void handleTitle(char[] text)(Code) This method is called when a title is found in the parsed file. Parameters:   text - the piece of text found as part of the title of the parsedfile. makeTag protected TagElement makeTag(Element elem)(Code) Construct a new TagElement with the information stored into a Element . Parameters:   elem - the Element that constains the information. a new TagElement that encapsullates the Elementreceived as argument. The fictional value is set to false. makeTag protected TagElement makeTag(Element elem, boolean fictional)(Code) Construct a new TagElement with the information stored into a Element . Parameters:   elem - the Element that constains the information. Parameters:   fictional - the value stored in the fictional field of theTagElement. a new TagElement that encapsullates the Elementreceived as argument. markFirstTime protected void markFirstTime(Element elem)(Code) It marks the first occurence of an element inside a document. Parameters:   elem - the Element whose first occurence wants to bemarked. parse public synchronized void parse(Reader in) throws IOException(Code) It parses a HTML document. During the parsing process, this method invokes the handlers for text, tags, comment, ... that posses this class. In this way, the user may be notified about all the information found in the parsed file. Parameters:   in - a reader from where the document to be parsed will be extractduring the parsing process. throws:   IOException - parseDTDMarkup public String parseDTDMarkup() throws IOException(Code) Obtains the information of the last parsed markup declaration in the parsed file. the information stored in the last parsed markup declaration. throws:   IOException - parseMarkupDeclarations protected boolean parseMarkupDeclarations(StringBuffer strBuff) throws IOException(Code) startTag protected void startTag(TagElement tag) throws ChangedCharSetException(Code) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)