legacy/org.argeo.slc.spring/src/org/argeo/slc/osgi/deploy/OsgiResourceSet.java

   1 package org.argeo.slc.osgi.deploy;
   2
   3 import org.argeo.slc.core.deploy.DefaultResourceSet;
   4 import org.eclipse.gemini.blueprint.context.BundleContextAware;
   5 import org.eclipse.gemini.blueprint.io.OsgiBundleResourceLoader;
   6 import org.eclipse.gemini.blueprint.io.OsgiBundleResourcePatternResolver;
   7 import org.eclipse.gemini.blueprint.util.OsgiBundleUtils;
   8 import org.osgi.framework.Bundle;
   9 import org.osgi.framework.BundleContext;
  10 import org.springframework.core.io.ResourceLoader;
  11
  12 /**
  13  * Retrieves ressources from an OSGi bundle either the active one or another one
  14  * referenced by its symbolic name.
  15  */
  16 public class OsgiResourceSet extends DefaultResourceSet implements
  17                 BundleContextAware {
  18         private BundleContext bundleContext;
  19         private Bundle bundle = null;
  20         private String bundleSymbolicName = null;
  21
  22         private OsgiBundleResourceLoader osgiBundleResourceLoader = null;
  23
  24         @Override
  25         public void afterPropertiesSet() throws Exception {
  26                 osgiBundleResourceLoader = new OsgiBundleResourceLoader(getBundle());
  27                 if (getResourcePatternResolver() == null)
  28                         setResourcePatternResolver(new OsgiBundleResourcePatternResolver(
  29                                         osgiBundleResourceLoader));
  30                 super.afterPropertiesSet();
  31         }
  32
  33         public Bundle getBundle() {
  34                 if (bundle != null)
  35                         return bundle;
  36                 else if (bundleSymbolicName != null)// do not cache
  37                         return OsgiBundleUtils.findBundleBySymbolicName(bundleContext,
  38                                         bundleSymbolicName);
  39                 else
  40                         // containing bundle
  41                         return bundleContext.getBundle();
  42         }
  43
  44         public void setBundleContext(BundleContext bundleContext) {
  45                 this.bundleContext = bundleContext;
  46         }
  47
  48         @Override
  49         public ResourceLoader getResourceLoaderToUse() {
  50                 return osgiBundleResourceLoader;
  51         }
  52
  53         public void setBundle(Bundle bundle) {
  54                 this.bundle = bundle;
  55         }
  56
  57         public void setBundleSymbolicName(String bundleSymbolicName) {
  58                 this.bundleSymbolicName = bundleSymbolicName;
  59         }
  60
  61 }