[aperture-commit] SF.net SVN: aperture:[1631] aperture/trunk/core/extractor/core

[<my...@us...>]

Revision: 1631
          http://aperture.svn.sourceforge.net/aperture/?rev=1631&view=rev
Author:   mylka
Date:     2009-02-10 20:24:22 +0000 (Tue, 10 Feb 2009)

Log Message:
-----------
finishing touches on the extractor core module - added the ExtractorServiceActivator

Modified Paths:
--------------
    aperture/trunk/core/extractor/core/pom.xml

Added Paths:
-----------
    aperture/trunk/core/extractor/core/src/main/java/org/semanticdesktop/aperture/extractor/bundle/ExtractorServiceActivator.java

Modified: aperture/trunk/core/extractor/core/pom.xml
===================================================================
--- aperture/trunk/core/extractor/core/pom.xml	2009-02-10 20:15:20 UTC (rev 1630)
+++ aperture/trunk/core/extractor/core/pom.xml	2009-02-10 20:24:22 UTC (rev 1631)
@@ -53,22 +53,23 @@
 	
 	<build>
 		<plugins>
-<!--			<plugin>-->
-<!--				<artifactId>maven-jar-plugin</artifactId>-->
-<!--				<configuration>-->
-<!--					<archive>  -->
-<!--						<manifestFile>${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>-->
-<!--					</archive> -->
-<!--				</configuration>-->
-<!--			</plugin>  -->
+			<plugin>
+				<artifactId>maven-jar-plugin</artifactId>
+				<configuration>
+					<archive>  
+						<manifestFile>${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>
+					</archive> 
+				</configuration>
+			</plugin>  
 			<plugin>   
 				<groupId>org.apache.felix</groupId>
 				<artifactId>maven-bundle-plugin</artifactId>
 				<extensions>true</extensions>
 				<configuration>
 					<instructions>
-						<Export-Package>org.semanticdesktop.aperture.extractor.*</Export-Package>
-<!--						<Bundle-Activator>org.semanticdesktop.aperture.extractor.bundle.DataSourceServiceActivator</Bundle-Activator>-->
+						<Export-Package>org.semanticdesktop.aperture.extractor</Export-Package>
+						<Private-Package>org.semanticdesktop.aperture.extractor.impl,org.semanticdesktop.aperture.extractor.impl</Private-Package>
+						<Bundle-Activator>org.semanticdesktop.aperture.extractor.bundle.ExtractorServiceActivator</Bundle-Activator>
 					</instructions>
 				</configuration>
 			</plugin>

Copied: aperture/trunk/core/extractor/core/src/main/java/org/semanticdesktop/aperture/extractor/bundle/ExtractorServiceActivator.java (from rev 1610, trunk/aperture/src/activators/org/semanticdesktop/aperture/extractor/ExtractorServiceActivator.java)
===================================================================
--- aperture/trunk/core/extractor/core/src/main/java/org/semanticdesktop/aperture/extractor/bundle/ExtractorServiceActivator.java	                        (rev 0)
+++ aperture/trunk/core/extractor/core/src/main/java/org/semanticdesktop/aperture/extractor/bundle/ExtractorServiceActivator.java	2009-02-10 20:24:22 UTC (rev 1631)
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2006 - 2008 Aduna and Deutsches Forschungszentrum fuer Kuenstliche Intelligenz DFKI GmbH.
+ * All rights reserved.
+ * 
+ * Licensed under the Aperture BSD-style license.
+ */
+package org.semanticdesktop.aperture.extractor;
+
+import java.util.Hashtable;
+
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceEvent;
+import org.osgi.framework.ServiceListener;
+import org.osgi.framework.ServiceReference;
+import org.osgi.framework.ServiceRegistration;
+import org.semanticdesktop.aperture.extractor.impl.ExtractorRegistryImpl;
+
+/**
+ * Listens for changes in registered ExtractorFactories and FileExtractorFactories.
+ * Needs two listeners for this (listeners are replaced)
+ */
+public class ExtractorServiceActivator implements BundleActivator, ServiceListener {
+
+	public static BundleContext bc = null;
+
+    private ServiceRegistration registration;
+
+	private ExtractorRegistry registry;
+    
+	public void start(BundleContext context) throws Exception {
+		
+		bc = context;
+		registry = new ExtractorRegistryImpl();
+		registration = bc.registerService(ExtractorRegistry.class.getName(), registry,
+			new Hashtable());
+		
+
+		String filter = "(objectclass=" + ExtractorFactory.class.getName() + ")";
+        // ATTENTION: here we register THIS
+		bc.addServiceListener(this, filter);
+
+		ServiceReference references[] = bc.getServiceReferences(null, filter);
+
+		for (int i = 0; references != null && i < references.length; i++) {
+			this.serviceChanged(new ServiceEvent(ServiceEvent.REGISTERED, references[i]));
+		}
+		
+		filter = "(objectclass=" + FileExtractorFactory.class.getName() + ")";
+        // ATTENTION: here we register another object, otherwise this overrides above listener
+        bc.addServiceListener(new ServiceListener() {
+            public void serviceChanged(ServiceEvent event) {
+                ExtractorServiceActivator.this.serviceChanged(event);                
+            }
+        }, filter);
+
+        references = bc.getServiceReferences(null, filter);
+
+        for (int i = 0; references != null && i < references.length; i++) {
+            this.serviceChanged(new ServiceEvent(ServiceEvent.REGISTERED, references[i]));
+        }
+
+		
+	}
+
+    public void stop(BundleContext context) throws Exception {
+        registration.unregister();
+        bc = null;
+    }
+
+	public void serviceChanged(ServiceEvent event) {
+	    Object instance = null;
+		switch (event.getType()) {
+		case ServiceEvent.REGISTERED:
+			instance = ExtractorServiceActivator.bc.getService(event.getServiceReference());
+			if (instance instanceof ExtractorFactory) {
+			    registry.add((ExtractorFactory)instance);
+			} else if (instance instanceof FileExtractorFactory) {
+			    registry.add((FileExtractorFactory)instance);
+			}
+			break;
+		case ServiceEvent.MODIFIED:
+		    instance = ExtractorServiceActivator.bc.getService(event.getServiceReference());
+            if (instance instanceof ExtractorFactory) {
+                registry.remove((ExtractorFactory)instance);
+                registry.add((ExtractorFactory)instance);
+            } else if (instance instanceof FileExtractorFactory) {
+                registry.remove((FileExtractorFactory)instance);
+                registry.add((FileExtractorFactory)instance);
+            }
+			break;
+		case ServiceEvent.UNREGISTERING:
+		    instance = ExtractorServiceActivator.bc.getService(event.getServiceReference());
+            if (instance instanceof ExtractorFactory) {
+                registry.remove((ExtractorFactory)instance);
+            } else if (instance instanceof FileExtractorFactory) {
+                registry.remove((FileExtractorFactory)instance);
+            }
+			break;
+		}
+	}
+}


Property changes on: aperture/trunk/core/extractor/core/src/main/java/org/semanticdesktop/aperture/extractor/bundle/ExtractorServiceActivator.java
___________________________________________________________________
Added: svn:keywords
   + Author Date Id Revision
Added: svn:mergeinfo
   + /branches/smila-prep-branch/aperture/src/activators/org/semanticdesktop/aperture/extractor/ExtractorServiceActivator.java:1513-1527
Added: svn:eol-style
   + native


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