move eventbus implementation from scm-core to scm-webapp

scm-webapp/src/main/java/com/google/common/eventbus/ThrowingEventBus.java

@@ -0,0 +1,71 @@
+/**
+ * Copyright (c) 2010, Sebastian Sdorra
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of SCM-Manager; nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://bitbucket.org/sdorra/scm-manager
+ *
+ */
+
+
+package com.google.common.eventbus;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import sonia.scm.event.EventBusException;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.lang.reflect.InvocationTargetException;
+
+/**
+ * {@link EventBus} which is able to throw {@link EventBusException}.
+ *
+ * @author Sebastian Sdorra
+ */
+public class ThrowingEventBus extends EventBus
+{
+
+  /**
+   * {@inheritDoc}
+   *
+   *
+   * @param event
+   * @param wrapper
+   */
+  @Override
+  void dispatch(Object event, EventHandler wrapper)
+  {
+    try
+    {
+      wrapper.handleEvent(event);
+    }
+    catch (InvocationTargetException ex)
+    {
+      throw new EventBusException(
+        "could not handle event ".concat(event.toString()), ex);
+    }
+  }
+}