1 files changed, 74 insertions, 0 deletions
diff --git a/extender/src/main/java/org/eclipse/gemini/blueprint/extender/internal/activator/JavaBeansCacheActivator.java b/extender/src/main/java/org/eclipse/gemini/blueprint/extender/internal/activator/JavaBeansCacheActivator.java
new file mode 100644
index 0000000..24df0a4
--- /dev/null
+++ b/extender/src/main/java/org/eclipse/gemini/blueprint/extender/internal/activator/JavaBeansCacheActivator.java
@@ -0,0 +1,74 @@
+/******************************************************************************
+ * Copyright (c) 2006, 2010 VMware Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and Apache License v2.0 which accompanies this distribution.
+ * The Eclipse Public License is available at
+ * http://www.eclipse.org/legal/epl-v10.html and the Apache License v2.0
+ * is available at http://www.opensource.org/licenses/apache2.0.php.
+ * You may elect to redistribute this code under either of these licenses.
+ *
+ * Contributors:
+ *   VMware Inc.
+ *****************************************************************************/
+
+package org.eclipse.gemini.blueprint.extender.internal.activator;
+
+import org.eclipse.gemini.blueprint.service.exporter.support.OsgiServiceFactoryBean;
+import org.eclipse.gemini.blueprint.service.importer.support.OsgiServiceCollectionProxyFactoryBean;
+import org.eclipse.gemini.blueprint.service.importer.support.OsgiServiceProxyFactoryBean;
+import org.eclipse.gemini.blueprint.util.OsgiStringUtils;
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+import org.springframework.beans.BeanUtils;
+import org.springframework.beans.CachedIntrospectionResults;
+
+/**
+ * Used to prevent ad-hoc Java Bean discovery on lazy bundles.
+ *
+ * @author Bill Gallagher
+ * @author Andy Piper
+ * @author Hal Hildebrand
+ * @author Adrian Colyer
+ * @author Costin Leau
+ * @author Olaf Otto
+ */
+public class JavaBeansCacheActivator implements BundleActivator {
+    /**
+     * Monitor used for dealing with the bundle activator and synchronous bundle threads
+     */
+    private final Object monitor = new Object();
+    private boolean stopped = false;
+
+    public void start(BundleContext extenderBundleContext) {
+        initJavaBeansCache();
+    }
+
+    public void stop(BundleContext extenderBundleContext) {
+        synchronized (monitor) {
+            if (stopped) {
+                return;
+            }
+            stopped = true;
+        }
+        destroyJavaBeansCache();
+    }
+
+    private void initJavaBeansCache() {
+        Class<?>[] classes =
+                new Class<?>[] { OsgiServiceFactoryBean.class, OsgiServiceProxyFactoryBean.class,
+                        OsgiServiceCollectionProxyFactoryBean.class };
+
+        CachedIntrospectionResults.acceptClassLoader(OsgiStringUtils.class.getClassLoader());
+
+        for (Class<?> clazz : classes) {
+            BeanUtils.getPropertyDescriptors(clazz);
+        }
+    }
+
+    private void destroyJavaBeansCache() {
+        CachedIntrospectionResults.clearClassLoader(OsgiStringUtils.class.getClassLoader());
+    }
+}
+
+