Fixes #1518: Add annotation/prog API support

modules/cpr/src/main/java/org/atmosphere/annotation/BroadcasterCacheListenererviceProcessor.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2014 Jeanfrancois Arcand
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.atmosphere.annotation;
+
+import org.atmosphere.config.AtmosphereAnnotation;
+import org.atmosphere.config.service.BroadcasterCacheListenerService;
+import org.atmosphere.cpr.AtmosphereFramework;
+import org.atmosphere.cpr.BroadcasterCacheListener;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@AtmosphereAnnotation(BroadcasterCacheListenerService.class)
+public class BroadcasterCacheListenererviceProcessor implements Processor<BroadcasterCacheListener> {
+
+    private static final Logger logger = LoggerFactory.getLogger(BroadcasterCacheListenererviceProcessor.class);
+
+    @Override
+    public void handle(AtmosphereFramework framework, Class<BroadcasterCacheListener> annotatedClass) {
+        try {
+            framework.addBroadcasterCacheListener(framework.newClassInstance(BroadcasterCacheListener.class, annotatedClass));
+        } catch (Exception e) {
+            logger.warn("", e);
+        }
+    }
+}

modules/cpr/src/main/java/org/atmosphere/config/service/BroadcasterCacheListenerService.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2014 Jeanfrancois Arcand
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.atmosphere.config.service;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * An annotation for installing {@link org.atmosphere.cpr.BroadcasterListener}
+ */
+@Target({ElementType.TYPE})
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+public @interface BroadcasterCacheListenerService {
+}

modules/cpr/src/main/java/org/atmosphere/cpr/AtmosphereFramework.java

@@ -215,6 +215,7 @@ public class AtmosphereFramework {
     protected boolean externalizeDestroy = false;
     protected AnnotationProcessor annotationProcessor = null;
     protected final List<String> excludedInterceptors = new ArrayList<String>();
+    protected final LinkedList<BroadcasterCacheListener> broadcasterCacheListeners = new LinkedList<BroadcasterCacheListener>();
 
     protected final Class<? extends AtmosphereInterceptor>[] defaultInterceptors = new Class[]{
             // Add CORS support
@@ -2173,6 +2174,18 @@ public AtmosphereFramework addBroadcasterListener(BroadcasterListener b) {
         return this;
     }
 
+    /**
+     * Add {@link BroadcasterCacheListener} to the {@link BroadcasterCache}.
+     */
+    public AtmosphereFramework addBroadcasterCacheListener(BroadcasterCacheListener b) {
+        broadcasterCacheListeners.add(b);
+        return this;
+    }
+
+    public List<BroadcasterCacheListener> broadcasterCacheListeners() {
+        return  broadcasterCacheListeners;
+    }
+
     /**
      * Add a {@link BroadcasterCacheInspector} which will be associated with the defined {@link BroadcasterCache}.
      *

modules/cpr/src/main/java/org/atmosphere/cpr/BroadcasterConfig.java

@@ -129,6 +129,11 @@ private void configureBroadcasterCache() {
             for (BroadcasterCacheInspector b : config.framework().inspectors()) {
                 broadcasterCache.inspector(b);
             }
+
+            for (BroadcasterCacheListener l: config.framework().broadcasterCacheListeners()) {
+                broadcasterCache.addBroadcasterCacheListener(l);
+            }
+
         } catch (Exception e) {
             throw new RuntimeException(e);
         }