Class HandlerBase

java.lang.Object
org.htmlunit.cssparser.parser.HandlerBase
All Implemented Interfaces:
CSSErrorHandler, DocumentHandler

public class HandlerBase extends Object implements DocumentHandler, CSSErrorHandler
Empty implementation of the DocumentHandlerExt interface.
Author:
Ronald Brill
  • Constructor Details

    • HandlerBase

      public HandlerBase()
  • Method Details

    • startDocument

      public void startDocument(InputSource source) throws CSSException
      Receive notification of the beginning of a style sheet. The CSS parser will invoke this method only once, before any other methods in this interface.
      Specified by:
      startDocument in interface DocumentHandler
      Parameters:
      source - the input source to parse
      Throws:
      CSSException - Any CSS exception, possibly wrapping another exception.
    • endDocument

      public void endDocument(InputSource source) throws CSSException
      Receive notification of the end of a document. The CSS parser will invoke this method only once, and it will be the last method invoked during the parse. The parser shall not invoke this method until it has either abandoned parsing (because of an unrecoverable error) or reached the end of input.
      Specified by:
      endDocument in interface DocumentHandler
      Parameters:
      source - the input source to parse
      Throws:
      CSSException - Any CSS exception, possibly wrapping another exception.
    • ignorableAtRule

      public void ignorableAtRule(String atRule, Locator locator) throws CSSException
      Receive notification of an unknown rule t-rule not supported by this parser.
      Specified by:
      ignorableAtRule in interface DocumentHandler
      Parameters:
      atRule - The complete ignored at-rule.
      locator - the locator
      Throws:
      CSSException - Any CSS exception, possibly wrapping another exception.
    • importStyle

      public void importStyle(String uri, MediaQueryList media, String defaultNamespaceURI, Locator locator) throws CSSException
      Receive notification of a import statement in the style sheet.
      Specified by:
      importStyle in interface DocumentHandler
      Parameters:
      uri - The URI of the imported style sheet.
      media - The intended destination media for style information.
      defaultNamespaceURI - The default namespace URI for the imported style sheet.
      locator - the locator
      Throws:
      CSSException - Any CSS exception, possibly wrapping another exception.
    • startMedia

      public void startMedia(MediaQueryList media, Locator locator) throws CSSException
      Receive notification of the beginning of a media statement. The Parser will invoke this method at the beginning of every media statement in the style sheet. there will be a corresponding endMedia() event for every startElement() event.
      Specified by:
      startMedia in interface DocumentHandler
      Parameters:
      media - The intended destination media for style information.
      locator - the locator
      Throws:
      CSSException - Any CSS exception, possibly wrapping another exception.
    • endMedia

      public void endMedia(MediaQueryList media) throws CSSException
      Receive notification of the end of a media statement.
      Specified by:
      endMedia in interface DocumentHandler
      Parameters:
      media - The intended destination media for style information.
      Throws:
      CSSException - Any CSS exception, possibly wrapping another exception.
    • startPage

      public void startPage(String name, String pseudoPage, Locator locator) throws CSSException
      Receive notification of the beginning of a page statement. The Parser will invoke this method at the beginning of every page statement in the style sheet. there will be a corresponding endPage() event for every startPage() event.
      Specified by:
      startPage in interface DocumentHandler
      Parameters:
      name - the name of the page (if any, null otherwise)
      pseudoPage - the pseudo page (if any, null otherwise)
      locator - the locator
      Throws:
      CSSException - Any CSS exception, possibly wrapping another exception.
    • endPage

      public void endPage(String name, String pseudoPage) throws CSSException
      Receive notification of the end of a media statement.
      Specified by:
      endPage in interface DocumentHandler
      Parameters:
      name - the name
      pseudoPage - the pseudo page (if any, null otherwise)
      Throws:
      CSSException - Any CSS exception, possibly wrapping another exception.
    • startFontFace

      public void startFontFace(Locator locator) throws CSSException
      Receive notification of the beginning of a font face statement. The Parser will invoke this method at the beginning of every font face statement in the style sheet. there will be a corresponding endFontFace() event for every startFontFace() event.
      Specified by:
      startFontFace in interface DocumentHandler
      Parameters:
      locator - the locator
      Throws:
      CSSException - Any CSS exception, possibly wrapping another exception.
    • endFontFace

      public void endFontFace() throws CSSException
      Receive notification of the end of a font face statement.
      Specified by:
      endFontFace in interface DocumentHandler
      Throws:
      CSSException - Any CSS exception, possibly wrapping another exception.
    • startSelector

      public void startSelector(SelectorList selectors, Locator locator) throws CSSException
      Receive notification of the beginning of a rule statement.
      Specified by:
      startSelector in interface DocumentHandler
      Parameters:
      selectors - All intended selectors for all declarations.
      locator - the locator
      Throws:
      CSSException - Any CSS exception, possibly wrapping another exception.
    • endSelector

      public void endSelector(SelectorList selectors) throws CSSException
      Receive notification of the end of a rule statement.
      Specified by:
      endSelector in interface DocumentHandler
      Parameters:
      selectors - All intended selectors for all declarations.
      Throws:
      CSSException - Any CSS exception, possibly wrapping another exception.
    • property

      public void property(String name, LexicalUnit value, boolean important, Locator locator)
      Receive notification of a declaration.
      Specified by:
      property in interface DocumentHandler
      Parameters:
      name - the name of the property.
      value - the value of the property. All whitespace are stripped.
      important - is this property important ?
      locator - the locator
    • charset

      public void charset(String characterEncoding, Locator locator) throws CSSException
      Receive notification of a charset at-rule.
      Specified by:
      charset in interface DocumentHandler
      Parameters:
      characterEncoding - the character encoding
      locator - the locator
      Throws:
      CSSException - Any CSS exception, possibly wrapping another exception.
    • warning

      public void warning(CSSParseException exception) throws CSSException
      Warning.
      Specified by:
      warning in interface CSSErrorHandler
      Parameters:
      exception - the CSSParseException that is the reason for the warning.
      Throws:
      CSSException - in case of error
      CSSException - if any.
    • error

      public void error(CSSParseException exception) throws CSSException
      Error.
      Specified by:
      error in interface CSSErrorHandler
      Parameters:
      exception - the CSSParseException that is the reason for the error.
      Throws:
      CSSException - in case of error
      CSSException - if any.
    • fatalError

      public void fatalError(CSSParseException exception) throws CSSException
      Fatal error.
      Specified by:
      fatalError in interface CSSErrorHandler
      Parameters:
      exception - the CSSParseException that is the reason for the error.
      Throws:
      CSSException - in case of error
      CSSException - if any.