1 files changed, 93 insertions, 0 deletions
diff --git a/sandbox/old/contrib/binding-osgi/src/main/java/org/apache/tuscany/osgi/util/BundleContextUtil.java b/sandbox/old/contrib/binding-osgi/src/main/java/org/apache/tuscany/osgi/util/BundleContextUtil.java
new file mode 100755
index 0000000000..02549a59fd
--- /dev/null
+++ b/sandbox/old/contrib/binding-osgi/src/main/java/org/apache/tuscany/osgi/util/BundleContextUtil.java
@@ -0,0 +1,93 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.tuscany.osgi.util;
+
+import java.util.Dictionary;
+
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.InvalidSyntaxException;
+import org.osgi.framework.ServiceListener;
+import org.osgi.framework.ServiceReference;
+import org.osgi.framework.ServiceRegistration;
+
+public final class BundleContextUtil {
+
+    private static BundleContext context;
+    private static final ServiceReference EMPTY_REFERENCE_ARRAY[] = {};
+
+    private BundleContextUtil() {
+    }
+
+    public static void setContext(BundleContext ctx) {
+        context = ctx;
+    }
+
+    public static ServiceReference[] getServiceReference(String clazz, String filter) throws InvalidSyntaxException {
+        ServiceReference[] references;
+        references = context.getServiceReferences(clazz, filter);
+        if (references == null) {
+            references = EMPTY_REFERENCE_ARRAY;
+        }
+        return references;
+    }
+
+    public static Object getService(ServiceReference reference) {
+        return context.getService(reference);
+    }
+
+    public static Object getService(ServiceReference references[]) {
+        if (references == null) {
+            return null;
+        }
+        return context.getService(references[0]);
+    }
+
+    public static void addServiceListener(ServiceListener listener, String filter) {
+        try {
+            if (filter != null) {
+                context.addServiceListener(listener, filter);
+            } else {
+                context.addServiceListener(listener);
+            }
+        } catch (InvalidSyntaxException e) {
+            //FIXME
+            // TODO Auto-generated catch block
+            e.printStackTrace();
+        }
+    }
+
+    public static void removeServiceListener(ServiceListener listener) {
+        context.removeServiceListener(listener);
+    }
+
+    public static ServiceRegistration registerService(String serviceName,
+                                                      Object serviceFactory,
+                                                      Dictionary properties) {
+        return context.registerService(serviceName, serviceFactory, properties);
+    }
+
+    public static boolean trackServiceReference(String filter, ServiceListener listener) {
+        try {
+            context.addServiceListener(listener, filter);
+            return true;
+        } catch (InvalidSyntaxException e) {
+            return false;
+        }
+    }
+}