Rename SLC Core into SLC Spring.

[gpl/argeo-slc.git] / org.argeo.slc.spring / src / org / argeo / slc / osgi / build / OsgiRuntimeModularDistribution.java

diff --git a/org.argeo.slc.spring/src/org/argeo/slc/osgi/build/OsgiRuntimeModularDistribution.java b/org.argeo.slc.spring/src/org/argeo/slc/osgi/build/OsgiRuntimeModularDistribution.java
new file mode 100644 (file)
index 0000000..5523e6e
--- /dev/null
+++ b/org.argeo.slc.spring/src/org/argeo/slc/osgi/build/OsgiRuntimeModularDistribution.java
@@ -0,0 +1,89 @@
+/*
+ * 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.build;
+
+import java.net.URL;
+import java.util.SortedMap;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.argeo.slc.NameVersion;
+import org.argeo.slc.build.Distribution;
+import org.argeo.slc.core.build.VersionedResourceDistribution;
+import org.argeo.slc.osgi.OsgiBundle;
+import org.eclipse.gemini.blueprint.util.OsgiBundleUtils;
+import org.osgi.framework.Bundle;
+import org.springframework.context.ResourceLoaderAware;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.ResourceLoader;
+
+public class OsgiRuntimeModularDistribution extends
+               AbstractOsgiModularDistribution implements ResourceLoaderAware {
+       private final static Log log = LogFactory
+                       .getLog(OsgiRuntimeModularDistribution.class);
+
+       private ResourceLoader resourceLoader;
+
+       protected void fillDistributions(
+                       SortedMap<NameVersion, Distribution> distributions)
+                       throws Exception {
+
+               String frameworkUrl = System.getProperty("osgi.framework");
+               String frameworkBaseUrl = null;
+               if (frameworkUrl != null)
+                       frameworkBaseUrl = frameworkUrl.substring(0, frameworkUrl
+                                       .lastIndexOf('/'));
+               bundles: for (Bundle bundle : getBundleContext().getBundles()) {
+                       OsgiBundle osgiBundle = new OsgiBundle(bundle);
+
+                       String originalLocation = bundle.getLocation();
+
+                       if (OsgiBundleUtils.isSystemBundle(bundle)) {
+                               continue bundles;
+                       }
+
+                       String location = originalLocation;
+                       if (originalLocation.startsWith("reference:file:"))
+                               location = originalLocation.substring("reference:".length());
+
+                       if (frameworkBaseUrl != null
+                                       && originalLocation.startsWith("initial@reference:file:")) {
+                               location = frameworkBaseUrl
+                                               + '/'
+                                               + originalLocation.substring("initial@reference:file:"
+                                                               .length());
+                       }
+
+                       try {
+                               URL url = new URL(location);
+                               Resource res = resourceLoader.getResource(url.toString());
+                               distributions.put(osgiBundle,
+                                               new VersionedResourceDistribution(osgiBundle, res));
+
+                               if (log.isTraceEnabled())
+                                       log.debug("Added url " + url + " from original location "
+                                                       + originalLocation);
+                       } catch (Exception e) {
+                               log.warn("Cannot interpret location " + location
+                                               + " of bundle " + bundle + ": " + e);
+                       }
+               }
+       }
+
+       public void setResourceLoader(ResourceLoader resourceLoader) {
+               this.resourceLoader = resourceLoader;
+       }
+}