added extensionpoint for ServletContextListener

scm-webapp/src/main/java/sonia/scm/BindingExtensionProcessor.java

@@ -48,6 +48,8 @@ import sonia.scm.plugin.ext.Extension;
 import sonia.scm.plugin.ext.ExtensionProcessor;
 import sonia.scm.repository.ChangesetPreProcessor;
 import sonia.scm.repository.ChangesetPreProcessorFactory;
+import sonia.scm.repository.FileObjectPreProcessor;
+import sonia.scm.repository.FileObjectPreProcessorFactory;
 import sonia.scm.repository.RepositoryHandler;
 import sonia.scm.repository.RepositoryHook;
 import sonia.scm.repository.RepositoryListener;
@@ -63,8 +65,8 @@ import sonia.scm.web.security.DefaultAuthenticationHandler;
 
 import java.util.HashSet;
 import java.util.Set;
-import sonia.scm.repository.FileObjectPreProcessor;
-import sonia.scm.repository.FileObjectPreProcessorFactory;
+
+import javax.servlet.ServletContextListener;
 
 /**
  *
@@ -109,13 +111,13 @@ public class BindingExtensionProcessor implements ExtensionProcessor
       Multibinder.newSetBinder(binder, ResourceHandler.class);
     Multibinder<RepositoryHook> repositoryHookBinder =
       Multibinder.newSetBinder(binder, RepositoryHook.class);
-    
+
     // changeset pre processor
     Multibinder<ChangesetPreProcessor> changesetPreProcessorBinder =
       Multibinder.newSetBinder(binder, ChangesetPreProcessor.class);
     Multibinder<ChangesetPreProcessorFactory> changesetPreProcessorFactoryBinder =
       Multibinder.newSetBinder(binder, ChangesetPreProcessorFactory.class);
-    
+
     // fileobject pre processor
     Multibinder<FileObjectPreProcessor> fileObjectPreProcessorBinder =
       Multibinder.newSetBinder(binder, FileObjectPreProcessor.class);
@@ -133,6 +135,8 @@ public class BindingExtensionProcessor implements ExtensionProcessor
       Multibinder.newSetBinder(binder, AuthenticationListener.class);
     Multibinder<RepositoryRequestListener> repositoryRequestListenerBinder =
       Multibinder.newSetBinder(binder, RepositoryRequestListener.class);
+    Multibinder<ServletContextListener> servletContextListenerBinder =
+      Multibinder.newSetBinder(binder, ServletContextListener.class);
 
     authenticators.addBinding().to(DefaultAuthenticationHandler.class);
 
@@ -283,6 +287,16 @@ public class BindingExtensionProcessor implements ExtensionProcessor
 
         repositoryRequestListenerBinder.addBinding().to(extensionClass);
       }
+      else if (ServletContextListener.class.isAssignableFrom(extensionClass))
+      {
+        if (logger.isInfoEnabled())
+        {
+          logger.info("bind ServletContextListener {}",
+                      extensionClass.getName());
+        }
+
+        servletContextListenerBinder.addBinding().to(extensionClass);
+      }
       else
       {
         if (logger.isInfoEnabled())

scm-webapp/src/main/java/sonia/scm/ScmContextListener.java

@@ -55,8 +55,10 @@ import sonia.scm.web.security.LocalSecurityContextHolder;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Set;
 
 import javax.servlet.ServletContextEvent;
+import javax.servlet.ServletContextListener;
 
 /**
  *
@@ -97,6 +99,8 @@ public class ScmContextListener extends GuiceServletContextListener
 
       // remove thread local store
       injector.getInstance(LocalSecurityContextHolder.class).destroy();
+      injector.getInstance(ServletContextListenerHolder.class).contextDestroyed(
+          servletContextEvent);
     }
 
     super.contextDestroyed(servletContextEvent);
@@ -115,6 +119,8 @@ public class ScmContextListener extends GuiceServletContextListener
 
     upgradeHandler.doUpgrade();
     super.contextInitialized(servletContextEvent);
+    injector.getInstance(ServletContextListenerHolder.class).contextInitialized(
+        servletContextEvent);
   }
 
   //~--- get methods ----------------------------------------------------------
@@ -172,6 +178,7 @@ public class ScmContextListener extends GuiceServletContextListener
 
     authenticationManager.init(context);
 
+    // fetch listeners
     return injector;
   }
 

scm-webapp/src/main/java/sonia/scm/ServletContextListenerHolder.java

@@ -0,0 +1,102 @@
+/**
+ * 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 sonia.scm;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.util.Set;
+
+import javax.servlet.ServletContextEvent;
+import javax.servlet.ServletContextListener;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+@Singleton
+public class ServletContextListenerHolder implements ServletContextListener
+{
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param listenerSet
+   */
+  @Inject
+  public ServletContextListenerHolder(Set<ServletContextListener> listenerSet)
+  {
+    this.listenerSet = listenerSet;
+  }
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param sce
+   */
+  @Override
+  public void contextDestroyed(ServletContextEvent sce)
+  {
+    for (ServletContextListener listener : listenerSet)
+    {
+      listener.contextDestroyed(sce);
+    }
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param sce
+   */
+  @Override
+  public void contextInitialized(ServletContextEvent sce)
+  {
+    for (ServletContextListener listener : listenerSet)
+    {
+      listener.contextInitialized(sce);
+    }
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private Set<ServletContextListener> listenerSet;
+}