Bypass URI resolution for "data:" URLs (RFC 2397). If a large data URL is given to Apache XML Commons Resolver, it tries to construct a java.net.URL from it which takes forever and fails in the end when no protocol handler for "data" URLs is installed.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@396263 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/fop/apps/FOUserAgent.java

@@ -410,7 +410,9 @@ public class FOUserAgent {
      */
     public Source resolveURI(String uri, String base) {
         Source source = null;
-        if (uriResolver != null) {
+        //RFC 2397 data URLs don't need to be resolved, just decode them.
+        boolean bypassURIResolution = uri.startsWith("data:");
+        if (!bypassURIResolution && uriResolver != null) {
             try {
                 source = uriResolver.resolve(uri, base);
             } catch (TransformerException te) {

src/java/org/apache/fop/apps/FopFactory.java

@@ -571,7 +571,9 @@ public class FopFactory {
      */
     public Source resolveURI(String uri, String base) {
         Source source = null;
-        if (uriResolver != null) {
+        //RFC 2397 data URLs don't need to be resolved, just decode them.
+        boolean bypassURIResolution = uri.startsWith("data:");
+        if (!bypassURIResolution && uriResolver != null) {
             try {
                 source = uriResolver.resolve(uri, base);
             } catch (TransformerException te) {