/**
* @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;
}
/** @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;
}
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);
}
}
}
