Package org.apache.xmlgraphics.ps.dsc

Class DefaultDSCHandler

  • All Implemented Interfaces:
    DSCHandler
    public class DefaultDSCHandler
extends java.lang.Object
implements DSCHandler
    Default implementation of a DSCHandler which simply passes through the PostScript content unchanged. Subclasses can implement different behaviour, for example to filter certain DSC comments or to insert PostScript code at specific places.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected PSGenerator gen  
      protected java.io.OutputStream out  

    • Constructor Summary

      Constructors 
      Constructor Description
      DefaultDSCHandler​(java.io.OutputStream out)
      Creates a new instance.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void comment​(java.lang.String comment)
      Called for any line containing a full-line PostScript comment.
      void endDocument()
      Called when the PostScript file is fully processed, i.e.
      void handleDSCComment​(DSCComment comment)
      Called for each standard DSC comment.
      void line​(java.lang.String line)
      Called for a normal line of PostScript code.
      void startDocument​(java.lang.String header)
      Called as a new PostScript file starts.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • out

        protected java.io.OutputStream out

    • Constructor Detail

      • DefaultDSCHandler

        public DefaultDSCHandler​(java.io.OutputStream out)
        Creates a new instance.
        Parameters:
        out - OutputStream to pipe all received events to

    • Method Detail

      • startDocument

        public void startDocument​(java.lang.String header)
                   throws java.io.IOException
        Description copied from interface: DSCHandler
        Called as a new PostScript file starts.
        Specified by:
        startDocument in interface DSCHandler
        Parameters:
        header - the first line of the DSC-compliant file
        Throws:
        java.io.IOException - In case of an I/O error
        See Also:
        DSCHandler.startDocument(java.lang.String)

      • endDocument

        public void endDocument()
                 throws java.io.IOException
        Description copied from interface: DSCHandler
        Called when the PostScript file is fully processed, i.e. after the %%EOF comment.
        Specified by:
        endDocument in interface DSCHandler
        Throws:
        java.io.IOException - In case of an I/O error
        See Also:
        DSCHandler.endDocument()

      • line

        public void line​(java.lang.String line)
          throws java.io.IOException
        Description copied from interface: DSCHandler
        Called for a normal line of PostScript code.
        Specified by:
        line in interface DSCHandler
        Parameters:
        line - the line of code
        Throws:
        java.io.IOException - In case of an I/O error
        See Also:
        DSCHandler.line(java.lang.String)

      • comment

        public void comment​(java.lang.String comment)
             throws java.io.IOException
        Description copied from interface: DSCHandler
        Called for any line containing a full-line PostScript comment. This is also called for custom comments following the extension mechanism of the DSC specification.
        Specified by:
        comment in interface DSCHandler
        Parameters:
        comment - the comment line
        Throws:
        java.io.IOException - In case of an I/O error
        See Also:
        DSCHandler.comment(java.lang.String)