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improve exception handling of ThrowingEventBus

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This commit is contained in:
Sebastian Sdorra
2013-05-15 09:26:29 +02:00
parent 426175c793
commit de1dd3420c
2 changed files with 49 additions and 2 deletions
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21
scm-webapp/src/main/java/com/google/common/eventbus/ThrowingEventBus.java
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@@ -30,10 +30,16 @@
*/
package com.google.common.eventbus;
//~--- non-JDK imports --------------------------------------------------------
import com.google.common.base.Throwables;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import sonia.scm.event.EventBusException;
//~--- JDK imports ------------------------------------------------------------
@@ -48,6 +54,14 @@ import java.lang.reflect.InvocationTargetException;
public class ThrowingEventBus extends EventBus
{
/**
* the logger for ThrowingEventBus
*/
private static final Logger logger =
LoggerFactory.getLogger(ThrowingEventBus.class);
//~--- methods --------------------------------------------------------------
/**
* {@inheritDoc}
*
@@ -64,8 +78,13 @@ public class ThrowingEventBus extends EventBus
}
catch (InvocationTargetException ex)
{
Throwable cause = ex.getCause();
Throwables.propagateIfPossible(cause);
logger.trace("could not propagate exception, throw as EventBusException");
throw new EventBusException(
"could not handle event ".concat(event.toString()), ex);
"could not handle event ".concat(event.toString()), cause);
}
}
}