org.argeo.init/src/org/argeo/init/osgi/ForeignBundleClassLoader.java

   1 package org.argeo.init.osgi;
   2
   3 import java.util.Optional;
   4
   5 import org.osgi.framework.Bundle;
   6 import org.osgi.framework.BundleContext;
   7 import org.osgi.framework.wiring.BundleWiring;
   8
   9 /**
  10  * A {@link ClassLoader} based on a {@link Bundle} from another OSGi runtime.
  11  */
  12 class ForeignBundleClassLoader extends ClassLoader {// implements BundleReference {
  13         private BundleContext localBundleContext;
  14         private Bundle foreignBundle;
  15
  16         public ForeignBundleClassLoader(BundleContext localBundleContext, Bundle foreignBundle) {
  17                 super("Foreign bundle " + foreignBundle.toString(), Optional.ofNullable(foreignBundle.adapt(BundleWiring.class))
  18                                 .map((bw) -> bw.getClassLoader()).orElse(null));
  19                 this.localBundleContext = localBundleContext;
  20                 this.foreignBundle = foreignBundle;
  21         }
  22
  23 //              @Override
  24         protected Bundle getBundle() {
  25                 return localBundleContext.getBundle(foreignBundle.getLocation());
  26         }
  27
  28 //              @Override
  29 //              public URL getResource(String resName) {
  30 //                      URL res = super.getResource(resName);
  31 //                      return res;
  32 //              }
  33 //
  34 //              @Override
  35 //              protected URL findResource(String resName) {
  36 //                      Bundle localBundle = getBundle();
  37 //                      if (localBundle != null) {
  38 //                              URL res = localBundle.getEntry(resName);
  39 //                              if (res != null)
  40 //                                      return res;
  41 //                      }
  42 //                      return null;
  43 //              }
  44
  45 }