Hi, I noticed that I did not update some of the comments in the Javadoc to reflect the changes I made... If those changes are accepted, I'll be glad to update the Comments and take a look at some of the docs about embedding. Michel. > -----Original Message----- > From: Michel Lehon [mailto:[EMAIL PROTECTED]] > Sent: Monday, 13 August, 2001 15:24 > To: [EMAIL PROTECTED] > Subject: Problem with FOP 0.20.0 when using the ContentHandler to feed > SAX events... > > > Hi, > > I just upgraded our program to use FOP 0.20.0 > We embedded FOP and used the old official method to call it. > > I mean using somthing like this : > Driver driver = new Driver(); > driver.setRenderer(Driver.RENDER_PDF); > ByteArrayOutputStream out = new ByteArrayOutputStream(); > driver.setOutputStream(out); > > ContentHandler cnth = driver.getContentHandler(); > sendSAXEvents(cnth); > > driver.format(); > driver.render(); > > byte[] content = out.toByteArray(); > > However this not longer works with 0.20.0 > for a few reasons: > 1°) there is no driver.format() method. > 2°) there is no driver.render() method (there are two version with > parameters). > > Still removing those two method calls still does not work as > using the ContentHandler returned by driver.getContentHandler > generates a NullPointException because the > _treeBuilder.setStreamRenderer(streamRenderer) > is not called (and the FOTreeBuilder needs it). > > so I changed a few lines in Driver.java to fix this... > I added a method driver.prepareRender() that setups the _treeBuilder > I changed both render method to use the new prepareRender > so my program now looks like this (and works). > > Driver driver= new Driver(); > driver.setRenderer(Driver.RENDER_PDF); > ByteArrayOutputStream out = new ByteArrayOutputStream(); > driver.setOutputStream(out); > driver.prepareRender(); > > ContentHandler cnth = driver.getContentHandler(); > sendSAXEvents(cnth); > > byte[] content = out.toByteArray(); > > What do you think ? Was it a good idea ? anyother idea on how to acheive > this ? > > I though about putting back the render() method (without > parameters), but I > tough it was > weird as it would need to be called before the SAX events are generated. > > Michel Lehon > [EMAIL PROTECTED] > SAS Data Warehousing and Web Enablement. > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]
