Ejemplo n.º 1
0
  /**
   * @see org.glassfish.internal.api.ClassLoaderHierarchy#getAppLibClassLoader(String, List<URI>)
   */
  public ClassLoader getAppLibClassLoader(String application, List<URI> libURIs)
      throws MalformedURLException {

    ClassLoaderHierarchy clh = habitat.getService(ClassLoaderHierarchy.class);
    DelegatingClassLoader connectorCL = clh.getConnectorClassLoader(application);

    if (libURIs == null || libURIs.isEmpty()) {
      // Optimization: when there are no libraries, why create an empty
      // class loader in the hierarchy? Instead return the parent.
      return connectorCL;
    }

    final ClassLoader commonCL = commonCLS.getCommonClassLoader();
    DelegatingClassLoader applibCL =
        AccessController.doPrivileged(
            new PrivilegedAction<DelegatingClassLoader>() {
              public DelegatingClassLoader run() {
                return new DelegatingClassLoader(commonCL);
              }
            });

    // order of classfinders is important here :
    // connector's classfinders should be added before libraries' classfinders
    // as the delegation hierarchy is appCL->app-libsCL->connectorCL->commonCL->API-CL
    // since we are merging connector and applib classfinders to be at same level,
    // connector classfinders need to be be before applib classfinders in the horizontal
    // search path
    for (DelegatingClassLoader.ClassFinder cf : connectorCL.getDelegates()) {
      applibCL.addDelegate(cf);
    }
    addDelegates(libURIs, applibCL);

    return applibCL;
  }
Ejemplo n.º 2
0
 /** @see org.glassfish.internal.api.ClassLoaderHierarchy#getAppLibClassFinder(List<URI>) */
 public DelegatingClassLoader.ClassFinder getAppLibClassFinder(Collection<URI> libURIs)
     throws MalformedURLException {
   final ClassLoader commonCL = commonCLS.getCommonClassLoader();
   DelegatingClassLoader appLibClassFinder =
       AccessController.doPrivileged(
           new PrivilegedAction<DelegatingClassLoader>() {
             public DelegatingClassLoader run() {
               return new AppLibClassFinder(commonCL);
             }
           });
   addDelegates(libURIs, appLibClassFinder);
   return (DelegatingClassLoader.ClassFinder) appLibClassFinder;
 }
Ejemplo n.º 3
0
  private void addDelegates(Collection<URI> libURIs, DelegatingClassLoader holder)
      throws MalformedURLException {

    ClassLoader commonCL = commonCLS.getCommonClassLoader();
    for (URI libURI : libURIs) {
      synchronized (this) {
        DelegatingClassLoader.ClassFinder libCF = classFinderRegistry.get(libURI);
        if (libCF == null) {
          libCF = new URLClassFinder(new URL[] {libURI.toURL()}, commonCL);
          classFinderRegistry.put(libURI, libCF);
        }
        holder.addDelegate(libCF);
      }
    }
  }