From 090c6205eeedae7990499540c879a8f00773b978 Mon Sep 17 00:00:00 2001
From: Jeremias Maerki <jeremias@apache.org>
Date: Tue, 10 Mar 2009 07:55:20 +0000
Subject: [PATCH] AreaTreeParser redirecting image loading exceptions to event
 subsystem.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@752010 13f79535-47bb-0310-9956-ffa450edef68
---
 .../org/apache/fop/area/AreaTreeParser.java   | 32 +++++++++++++++++--
 1 file changed, 30 insertions(+), 2 deletions(-)

diff --git a/src/java/org/apache/fop/area/AreaTreeParser.java b/src/java/org/apache/fop/area/AreaTreeParser.java
index 8a6198cb6..ec47d2083 100644
--- a/src/java/org/apache/fop/area/AreaTreeParser.java
+++ b/src/java/org/apache/fop/area/AreaTreeParser.java
@@ -21,6 +21,8 @@ package org.apache.fop.area;
 
 import java.awt.Color;
 import java.awt.geom.Rectangle2D;
+import java.io.FileNotFoundException;
+import java.io.IOException;
 import java.nio.CharBuffer;
 import java.util.List;
 import java.util.Map;
@@ -41,6 +43,7 @@ import org.w3c.dom.Document;
 
 import org.xml.sax.Attributes;
 import org.xml.sax.ContentHandler;
+import org.xml.sax.Locator;
 import org.xml.sax.SAXException;
 import org.xml.sax.helpers.AttributesImpl;
 import org.xml.sax.helpers.DefaultHandler;
@@ -48,6 +51,7 @@ import org.xml.sax.helpers.DefaultHandler;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
+import org.apache.xmlgraphics.image.loader.ImageException;
 import org.apache.xmlgraphics.image.loader.ImageInfo;
 import org.apache.xmlgraphics.image.loader.ImageManager;
 import org.apache.xmlgraphics.image.loader.ImageSessionContext;
@@ -68,6 +72,7 @@ import org.apache.fop.area.inline.SpaceArea;
 import org.apache.fop.area.inline.TextArea;
 import org.apache.fop.area.inline.Viewport;
 import org.apache.fop.area.inline.WordArea;
+import org.apache.fop.events.ResourceEventProducer;
 import org.apache.fop.fo.Constants;
 import org.apache.fop.fo.ElementMappingRegistry;
 import org.apache.fop.fo.expr.PropertyException;
@@ -149,6 +154,7 @@ public class AreaTreeParser {
         private Stack delegateStack = new Stack();
         private ContentHandler delegate;
         private DOMImplementation domImplementation;
+        private Locator locator;
 
 
         public Handler(AreaTreeModel treeModel, FOUserAgent userAgent,
@@ -223,6 +229,15 @@ public class AreaTreeParser {
             return (Viewport)findAreaType(Viewport.class);
         }
 
+        /** {@inheritDoc} */
+        public void setDocumentLocator(Locator locator) {
+            this.locator = locator;
+        }
+
+        private Locator getLocator() {
+            return this.locator;
+        }
+
         /** {@inheritDoc} */
         public void startElement(String uri, String localName, String qName, Attributes attributes)
                     throws SAXException {
@@ -1056,8 +1071,21 @@ public class AreaTreeParser {
                                     = userAgent.getImageSessionContext();
                                 ImageInfo info = manager.getImageInfo(uri, sessionContext);
                                 bkg.setImageInfo(info);
-                            } catch (Exception e) {
-                                log.error("Background image not available: " + uri, e);
+                            } catch (ImageException e) {
+                                ResourceEventProducer eventProducer
+                                    = ResourceEventProducer.Provider.get(
+                                        this.userAgent.getEventBroadcaster());
+                                eventProducer.imageError(this, uri, e, getLocator());
+                            } catch (FileNotFoundException fnfe) {
+                                ResourceEventProducer eventProducer
+                                    = ResourceEventProducer.Provider.get(
+                                        this.userAgent.getEventBroadcaster());
+                                eventProducer.imageNotFound(this, uri, fnfe, getLocator());
+                            } catch (IOException ioe) {
+                                ResourceEventProducer eventProducer
+                                    = ResourceEventProducer.Provider.get(
+                                        this.userAgent.getEventBroadcaster());
+                                eventProducer.imageIOError(this, uri, ioe, getLocator());
                             }
 
                             String repeat = attributes.getValue("bkg-repeat");
-- 
2.39.5