legacy/org.argeo.slc.spring/src/org/argeo/slc/osgi/build/OsgiRuntimeModularDistribution.java

   1 package org.argeo.slc.osgi.build;
   2
   3 import java.net.URL;
   4 import java.util.SortedMap;
   5
   6 import org.apache.commons.logging.Log;
   7 import org.apache.commons.logging.LogFactory;
   8 import org.argeo.slc.NameVersion;
   9 import org.argeo.slc.build.Distribution;
  10 import org.argeo.slc.core.build.VersionedResourceDistribution;
  11 import org.argeo.slc.osgi.OsgiBundle;
  12 import org.eclipse.gemini.blueprint.util.OsgiBundleUtils;
  13 import org.osgi.framework.Bundle;
  14 import org.springframework.context.ResourceLoaderAware;
  15 import org.springframework.core.io.Resource;
  16 import org.springframework.core.io.ResourceLoader;
  17
  18 public class OsgiRuntimeModularDistribution extends
  19                 AbstractOsgiModularDistribution implements ResourceLoaderAware {
  20         private final static Log log = LogFactory
  21                         .getLog(OsgiRuntimeModularDistribution.class);
  22
  23         private ResourceLoader resourceLoader;
  24
  25         protected void fillDistributions(
  26                         SortedMap<NameVersion, Distribution> distributions)
  27                         throws Exception {
  28
  29                 String frameworkUrl = System.getProperty("osgi.framework");
  30                 String frameworkBaseUrl = null;
  31                 if (frameworkUrl != null)
  32                         frameworkBaseUrl = frameworkUrl.substring(0, frameworkUrl
  33                                         .lastIndexOf('/'));
  34                 bundles: for (Bundle bundle : getBundleContext().getBundles()) {
  35                         OsgiBundle osgiBundle = new OsgiBundle(bundle);
  36
  37                         String originalLocation = bundle.getLocation();
  38
  39                         if (OsgiBundleUtils.isSystemBundle(bundle)) {
  40                                 continue bundles;
  41                         }
  42
  43                         String location = originalLocation;
  44                         if (originalLocation.startsWith("reference:file:"))
  45                                 location = originalLocation.substring("reference:".length());
  46
  47                         if (frameworkBaseUrl != null
  48                                         && originalLocation.startsWith("initial@reference:file:")) {
  49                                 location = frameworkBaseUrl
  50                                                 + '/'
  51                                                 + originalLocation.substring("initial@reference:file:"
  52                                                                 .length());
  53                         }
  54
  55                         try {
  56                                 URL url = new URL(location);
  57                                 Resource res = resourceLoader.getResource(url.toString());
  58                                 distributions.put(osgiBundle,
  59                                                 new VersionedResourceDistribution(osgiBundle, res));
  60
  61                                 if (log.isTraceEnabled())
  62                                         log.debug("Added url " + url + " from original location "
  63                                                         + originalLocation);
  64                         } catch (Exception e) {
  65                                 log.warn("Cannot interpret location " + location
  66                                                 + " of bundle " + bundle + ": " + e);
  67                         }
  68                 }
  69         }
  70
  71         public void setResourceLoader(ResourceLoader resourceLoader) {
  72                 this.resourceLoader = resourceLoader;
  73         }
  74 }