Package org.jfree.xml

Class ParserFrontend


  • public class ParserFrontend
    extends Object
    The reportgenerator initializes the parser and provides an interface the the default parser. To create a report from an URL, use ReportGenerator.getInstance().parseReport (URL myURl, URL contentBase);
    Author:
    Thomas Morgner
    • Constructor Detail

      • ParserFrontend

        protected ParserFrontend​(FrontendDefaultHandler parser)
        Creates a new report generator. The generator uses the singleton pattern by default, so use generator.getInstance() to get the generator.
        Parameters:
        parser - the parser that is used to coordinate the parsing process.
    • Method Detail

      • isValidateDTD

        public boolean isValidateDTD()
        Returns true if the report definition should be validated against the DTD, and false otherwise.
        Returns:
        A boolean.
      • setValidateDTD

        public void setValidateDTD​(boolean validateDTD)
        Sets a flag that controls whether or not the report definition is validated against the DTD.
        Parameters:
        validateDTD - the flag.
      • getEntityResolver

        public EntityResolver getEntityResolver()
        Returns the entity resolver.
        Returns:
        The entity resolver.
      • setEntityResolver

        public void setEntityResolver​(EntityResolver entityResolver)
        Sets the entity resolver.
        Parameters:
        entityResolver - the entity resolver.
      • setDefaultHandler

        public void setDefaultHandler​(FrontendDefaultHandler handler)
        Sets the default handler used for parsing reports. This handler is used to initiate parsing.
        Parameters:
        handler - the handler.
      • getDefaultHandler

        public FrontendDefaultHandler getDefaultHandler()
        Returns the ElementDefinitionHandler used for parsing reports.
        Returns:
        the report handler.
      • createDefaultHandler

        protected FrontendDefaultHandler createDefaultHandler​(URL contentBase)
        Creates a new instance of the currently set default handler and sets the contentbase for the handler to contentBase.
        Parameters:
        contentBase - the content base.
        Returns:
        the report handler.
      • configureReader

        protected void configureReader​(XMLReader reader,
                                       FrontendDefaultHandler handler)
        Configures the xml reader. Use this to set features or properties before the documents get parsed.
        Parameters:
        handler - the parser implementation that will handle the SAX-Callbacks.
        reader - the xml reader that should be configured.
      • parse

        public Object parse​(URL file,
                            URL contentBase)
                     throws ElementDefinitionException,
                            IOException
        Parses an XML file which is loaded using the given URL. All needed relative file- and resourcespecification are loaded using the URL contentBase as base.

        After the report is generated, the ReportDefinition-source and the contentbase are stored as string in the reportproperties.

        Parameters:
        file - the URL for the report template file.
        contentBase - the URL for the report template content base.
        Returns:
        the parsed report.
        Throws:
        IOException - if an I/O error occurs.
        ElementDefinitionException - if there is a problem parsing the report template.