Add dynamic lookup of the RendererMakers to RendererFactory (as suggested by Nils Meier; proposed patch slightly altered to make use of org.apache.fop.util.Service instead of sun.misc.Service)

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@383384 13f79535-47bb-0310-9956-ffa450edef68

src/java/META-INF/services/org.apache.fop.render.AbstractRendererMaker

@@ -0,0 +1,9 @@
+org.apache.fop.render.pdf.PDFRendererMaker
+org.apache.fop.render.ps.PSRendererMaker
+org.apache.fop.render.txt.TXTRendererMaker
+org.apache.fop.render.bitmap.PNGRendererMaker
+org.apache.fop.render.bitmap.TIFFRendererMaker
+org.apache.fop.render.bitmap.TIFFRendererMaker
+org.apache.fop.render.xml.XMLRendererMaker
+org.apache.fop.render.awt.AWTRendererMaker
+org.apache.fop.render.print.PrintRendererMaker

src/java/org/apache/fop/render/RendererFactory.java

@@ -62,15 +62,12 @@ public class RendererFactory {
     }
     
     private void registerStandardRenderers() {
-        addRendererMaker(new org.apache.fop.render.pdf.PDFRendererMaker());
-        addRendererMaker(new org.apache.fop.render.ps.PSRendererMaker());
-        addRendererMaker(new org.apache.fop.render.txt.TXTRendererMaker());
-        addRendererMaker(new org.apache.fop.render.bitmap.PNGRendererMaker());
-        addRendererMaker(new org.apache.fop.render.bitmap.TIFFRendererMaker());
-        addRendererMaker(new org.apache.fop.render.bitmap.TIFFRendererMaker());
-        addRendererMaker(new org.apache.fop.render.xml.XMLRendererMaker());
-        addRendererMaker(new org.apache.fop.render.awt.AWTRendererMaker());
-        addRendererMaker(new org.apache.fop.render.print.PrintRendererMaker());
+        Iterator rendererMakers = Service.providers(AbstractRendererMaker.class); 
+        if (rendererMakers != null) {
+            while (rendererMakers.hasNext()) {
+                addRendererMaker((String) rendererMakers.next());
+            }
+        }
     }
     
     private void registerStandardEventHandlers() {