Rename SLC Core into SLC Spring.

[gpl/argeo-slc.git] / org.argeo.slc.spring / src / org / argeo / slc / osgi / deploy / OsgiResourceSet.java

diff --git a/org.argeo.slc.spring/src/org/argeo/slc/osgi/deploy/OsgiResourceSet.java b/org.argeo.slc.spring/src/org/argeo/slc/osgi/deploy/OsgiResourceSet.java
new file mode 100644 (file)
index 0000000..2414788
--- /dev/null
+++ b/org.argeo.slc.spring/src/org/argeo/slc/osgi/deploy/OsgiResourceSet.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * 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.argeo.slc.osgi.deploy;
+
+import org.argeo.slc.core.deploy.DefaultResourceSet;
+import org.eclipse.gemini.blueprint.context.BundleContextAware;
+import org.eclipse.gemini.blueprint.io.OsgiBundleResourceLoader;
+import org.eclipse.gemini.blueprint.io.OsgiBundleResourcePatternResolver;
+import org.eclipse.gemini.blueprint.util.OsgiBundleUtils;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+import org.springframework.core.io.ResourceLoader;
+
+/**
+ * Retrieves ressources from an OSGi bundle either the active one or another one
+ * referenced by its symbolic name.
+ */
+public class OsgiResourceSet extends DefaultResourceSet implements
+               BundleContextAware {
+       private BundleContext bundleContext;
+       private Bundle bundle = null;
+       private String bundleSymbolicName = null;
+
+       private OsgiBundleResourceLoader osgiBundleResourceLoader = null;
+
+       @Override
+       public void afterPropertiesSet() throws Exception {
+               osgiBundleResourceLoader = new OsgiBundleResourceLoader(getBundle());
+               if (getResourcePatternResolver() == null)
+                       setResourcePatternResolver(new OsgiBundleResourcePatternResolver(
+                                       osgiBundleResourceLoader));
+               super.afterPropertiesSet();
+       }
+
+       public Bundle getBundle() {
+               if (bundle != null)
+                       return bundle;
+               else if (bundleSymbolicName != null)// do not cache
+                       return OsgiBundleUtils.findBundleBySymbolicName(bundleContext,
+                                       bundleSymbolicName);
+               else
+                       // containing bundle
+                       return bundleContext.getBundle();
+       }
+
+       public void setBundleContext(BundleContext bundleContext) {
+               this.bundleContext = bundleContext;
+       }
+
+       @Override
+       public ResourceLoader getResourceLoaderToUse() {
+               return osgiBundleResourceLoader;
+       }
+
+       public void setBundle(Bundle bundle) {
+               this.bundle = bundle;
+       }
+
+       public void setBundleSymbolicName(String bundleSymbolicName) {
+               this.bundleSymbolicName = bundleSymbolicName;
+       }
+
+}