adding first example of tutorial using the new maven-osgi-plugin

git-svn-id: https://svn.apache.org/repos/asf/incubator/felix/trunk@383778 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/org.apache.felix.examples.eventlistener/pom.xml b/org.apache.felix.examples.eventlistener/pom.xml
new file mode 100644
index 0000000..fda2b74
--- /dev/null
+++ b/org.apache.felix.examples.eventlistener/pom.xml
@@ -0,0 +1,43 @@
+<project>
+  <parent>
+    <groupId>org.apache.felix</groupId>
+    <artifactId>felix</artifactId>
+    <version>0.8-SNAPSHOT</version>
+  </parent>
+  <modelVersion>4.0.0</modelVersion>
+  <packaging>osgi-bundle</packaging>
+  <name>Apache Felix Examples: Service Event Listener</name>
+  <artifactId>org.apache.felix.examples.eventlistener</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>${pom.groupId}</groupId>
+      <artifactId>org.osgi</artifactId>
+      <version>${pom.version}</version>
+      <scope>provided</scope>
+    </dependency>
+  </dependencies>
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.felix.plugins</groupId>
+        <artifactId>maven-osgi-plugin</artifactId>
+        <version>${pom.version}</version>
+        <extensions>true</extensions>
+        <configuration>
+          <osgiManifest>
+            <bundleName>Service listener example</bundleName>
+            <bundleDescription>
+              Bundle listening for service events: displays a message on startup and when service events occur.
+            </bundleDescription>
+            <bundleActivator>
+              org.apache.felix.examples.eventlistener.Activator
+            </bundleActivator>
+            <bundleSymbolicName>
+              org.apache.felix.examples.eventlistener
+            </bundleSymbolicName>
+          </osgiManifest>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+</project>
diff --git a/org.apache.felix.examples.eventlistener/src/main/java/org/apache/felix/examples/eventlistener/Activator.java b/org.apache.felix.examples.eventlistener/src/main/java/org/apache/felix/examples/eventlistener/Activator.java
new file mode 100644
index 0000000..20c95b3
--- /dev/null
+++ b/org.apache.felix.examples.eventlistener/src/main/java/org/apache/felix/examples/eventlistener/Activator.java
@@ -0,0 +1,90 @@
+/*
+ *   Copyright 2006 The Apache Software Foundation
+ *
+ *   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.apache.felix.examples.eventlistener;
+
+
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceListener;
+import org.osgi.framework.ServiceEvent;
+
+
+/**
+ * This class implements a simple bundle that utilizes the OSGi framework's
+ * event mechanism to listen for service events. Upon receiving a service event,
+ * it prints out the event's details.
+ * 
+ * @author <a href="mailto:felix-dev@incubator.apache.org">Felix Project Team</a>
+ */
+public class Activator implements BundleActivator, ServiceListener
+{
+    /**
+     * Implements BundleActivator.start(). Prints a message and adds itself to
+     * the bundle context as a service listener.
+     * 
+     * @param context
+     *            the framework context for the bundle.
+     */
+    public void start( BundleContext context )
+    {
+        System.out.println( "Starting to listen for service events." );
+        context.addServiceListener( this );
+    }
+
+
+    /**
+     * Implements BundleActivator.stop(). Prints a message and removes itself
+     * from the bundle context as a service listener.
+     * 
+     * @param context
+     *            the framework context for the bundle.
+     */
+    public void stop( BundleContext context )
+    {
+        context.removeServiceListener( this );
+        System.out.println( "Stopped listening for service events." );
+
+        // Note: It is not required that we remove the listener here,
+        // since the framework will do it automatically anyway.
+    }
+
+
+    /**
+     * Implements ServiceListener.serviceChanged(). Prints the details of any
+     * service event from the framework.
+     * 
+     * @param event
+     *            the fired service event.
+     */
+    public void serviceChanged( ServiceEvent event )
+    {
+        String[] objectClass = ( String[] ) event.getServiceReference().getProperty( "objectClass" );
+
+        if ( event.getType() == ServiceEvent.REGISTERED )
+        {
+            System.out.println( "Ex1: Service of type " + objectClass[0] + " registered." );
+        }
+        else if ( event.getType() == ServiceEvent.UNREGISTERING )
+        {
+            System.out.println( "Ex1: Service of type " + objectClass[0] + " unregistered." );
+        }
+        else if ( event.getType() == ServiceEvent.MODIFIED )
+        {
+            System.out.println( "Ex1: Service of type " + objectClass[0] + " modified." );
+        }
+    }
+}
diff --git a/pom.xml b/pom.xml
index 600d0fe..8fd5e0e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,6 +14,7 @@
     <module>org.apache.felix.shell.tui</module>
     <module>org.apache.felix.daemon</module>
     <module>org.apache.felix.main</module>
+    <module>org.apache.felix.examples.eventlistener</module>
   </modules>
 
   <repositories>
@@ -40,7 +41,7 @@
     </snapshotRepository>
     <repository>
       <name>ASF Mirrored M2 Distributions</name>
-      <id>apache.snapshots</id>
+      <id>apache.releases</id>
       <url>
         scpexe://minotaur.apache.org/www/www.apache.org/dist/maven-repository
       </url>
@@ -52,7 +53,7 @@
       <id>apache.snapshots</id>
       <name>snapshot plugins</name>
       <url>
-        scpexe://apache.org/www/cvs.apache.org/maven-snapshot-repository
+        http://cvs.apache.org/maven-snapshot-repository
       </url>
     </pluginRepository>
   </pluginRepositories>