fop 0.95

org.apache.fop.render.java2d
Class Java2DSVGHandler

java.lang.Object
  extended by org.apache.fop.render.java2d.Java2DSVGHandler
All Implemented Interfaces:
Java2DRendererContextConstants, RendererContextConstants, XMLHandler

public class Java2DSVGHandler
extends java.lang.Object
implements XMLHandler, Java2DRendererContextConstants

Java2D XML handler for SVG (uses Apache Batik). This handler handles XML for foreign objects when rendering to Java2D. The properties from the Java2D renderer are subject to change.


Nested Class Summary
static class Java2DSVGHandler.Java2DInfo
          Java2D information structure for drawing the XML document.
 
Field Summary
 
Fields inherited from interface org.apache.fop.render.XMLHandler
HANDLE_ALL
 
Fields inherited from interface org.apache.fop.render.java2d.Java2DRendererContextConstants
JAVA2D_STATE
 
Fields inherited from interface org.apache.fop.render.RendererContextConstants
FOREIGN_ATTRIBUTES, HANDLER_CONFIGURATION, HEIGHT, OUTPUT_STREAM, PAGE_VIEWPORT, WIDTH, XPOS, YPOS
 
Constructor Summary
Java2DSVGHandler()
          Create a new Java2D XML handler for use by the Java2D renderer and its subclasses.
 
Method Summary
static Java2DSVGHandler.Java2DInfo getJava2DInfo(RendererContext context)
          Get the pdf information from the render context.
 java.lang.String getNamespace()
          
 void handleXML(RendererContext context, org.w3c.dom.Document doc, java.lang.String ns)
          Handle an external xml document inside a Foreign Object Area.
protected  void renderSVGDocument(RendererContext context, org.w3c.dom.Document doc, Java2DSVGHandler.Java2DInfo info)
          Render the svg document.
 boolean supportsRenderer(Renderer renderer)
          Checks if this XMLHandler supports handling an XML namespace for a particular renderer.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Java2DSVGHandler

public Java2DSVGHandler()
Create a new Java2D XML handler for use by the Java2D renderer and its subclasses.

Method Detail

handleXML

public void handleXML(RendererContext context,
                      org.w3c.dom.Document doc,
                      java.lang.String ns)
               throws java.lang.Exception

Handle an external xml document inside a Foreign Object Area.

This may throw an exception if for some reason it cannot be handled. The caller is expected to deal with this exception.

The implementation may convert the XML document internally to another XML dialect (SVG, for example) and call renderXML() on the AbstractRenderer again (which can be retrieved through the RendererContext).

Specified by:
handleXML in interface XMLHandler
Parameters:
context - The RendererContext (contains the user agent)
doc - A DOM containing the foreign object to be processed
ns - The Namespace of the foreign object
Throws:
java.lang.Exception - If an error occurs during processing.

getJava2DInfo

public static Java2DSVGHandler.Java2DInfo getJava2DInfo(RendererContext context)
Get the pdf information from the render context.

Parameters:
context - the renderer context
Returns:
the pdf information retrieved from the context

renderSVGDocument

protected void renderSVGDocument(RendererContext context,
                                 org.w3c.dom.Document doc,
                                 Java2DSVGHandler.Java2DInfo info)
Render the svg document.

Parameters:
context - the renderer context
doc - the svg document
info - the pdf information of the current context

supportsRenderer

public boolean supportsRenderer(Renderer renderer)
Checks if this XMLHandler supports handling an XML namespace for a particular renderer.

Specified by:
supportsRenderer in interface XMLHandler
Parameters:
renderer - the renderer for which to check.
Returns:
true if this XML handler supports a particular renderer

getNamespace

public java.lang.String getNamespace()

Specified by:
getNamespace in interface XMLHandler
Returns:
the XML namespace for the XML dialect this XMLHandler supports, null if all XML content is handled by this instance.

fop 0.95

Copyright 1999-2008 The Apache Software Foundation. All Rights Reserved.