Author: jeremias
Date: Thu Feb 7 01:14:15 2008
New Revision: 619313
URL: http://svn.apache.org/viewvc?rev=619313&view=rev
Log:
Make sure no events are now just silently swallowed because after upgrading a
user doesn't know about the event system.
Modified:
xmlgraphics/fop/branches/Temp_ProcessingFeedback/src/java/org/apache/fop/fo/FOTreeBuilder.java
Modified:
xmlgraphics/fop/branches/Temp_ProcessingFeedback/src/java/org/apache/fop/fo/FOTreeBuilder.java
URL:
http://svn.apache.org/viewvc/xmlgraphics/fop/branches/Temp_ProcessingFeedback/src/java/org/apache/fop/fo/FOTreeBuilder.java?rev=619313&r1=619312&r2=619313&view=diff
==============================================================================
---
xmlgraphics/fop/branches/Temp_ProcessingFeedback/src/java/org/apache/fop/fo/FOTreeBuilder.java
(original)
+++
xmlgraphics/fop/branches/Temp_ProcessingFeedback/src/java/org/apache/fop/fo/FOTreeBuilder.java
Thu Feb 7 01:14:15 2008
@@ -35,6 +35,8 @@
import org.apache.fop.apps.FOUserAgent;
import org.apache.fop.apps.FormattingResults;
import org.apache.fop.area.AreaTreeHandler;
+import org.apache.fop.events.EventBroadcaster;
+import org.apache.fop.events.LoggingEventListener;
import org.apache.fop.fo.ElementMapping.Maker;
import org.apache.fop.fo.extensions.ExtensionElementMapping;
import org.apache.fop.fo.pagination.Root;
@@ -147,6 +149,15 @@
throw new IllegalStateException("FOTreeBuilder (and the Fop class)
cannot be reused."
+ " Please instantiate a new instance.");
}
+
+ //Backwards-compatibility: Make sure at least the LoggingEventListener
is plugged in
+ //so no events are just silently swallowed.
+ EventBroadcaster broadcaster = userAgent.getEventBroadcaster();
+ if (broadcaster.getListenerCount() == 0) {
+ broadcaster.addEventListener(
+ new
LoggingEventListener(LogFactory.getLog(FOUserAgent.class)));
+ }
+
used = true;
empty = true;
rootFObj = null; // allows FOTreeBuilder to be reused
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