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package com.sun.enterprise.module.single;
import com.sun.enterprise.module.*;
import com.sun.enterprise.module.impl.ModulesRegistryImpl;
import java.io.IOException;
import java.util.*;
import org.glassfish.hk2.api.ActiveDescriptor;
import org.glassfish.hk2.api.DynamicConfigurationService;
import org.glassfish.hk2.api.Populator;
import org.glassfish.hk2.api.PopulatorPostProcessor;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.hk2.bootstrap.impl.Hk2LoaderPopulatorPostProcessor;
import org.glassfish.hk2.utilities.ClasspathDescriptorFileFinder;
/**
* Normal modules registry with configuration handling backed up
* by a single class loader. There is one virtual module available in the modules
* registry and that module's class loader is the single class loader used to
* load all artifacts.
*
* @author Jerome Dochez
*/
public class SingleModulesRegistry extends ModulesRegistryImpl {
final ClassLoader singleClassLoader;
final Module[] proxyMod = new Module[1];
public SingleModulesRegistry(ClassLoader singleCL) {
this(singleCL, null);
}
public SingleModulesRegistry(ClassLoader singleCL, List<ManifestProxy.SeparatorMappings> mappings) {
super(null);
this.singleClassLoader = singleCL;
setParentClassLoader(singleClassLoader);
ModuleDefinition moduleDef = null;
try {
moduleDef = new ProxyModuleDefinition(singleClassLoader, mappings);
} catch (IOException e) {
e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
}
proxyMod[0] = new ProxyModule(this, moduleDef, singleClassLoader);
add(moduleDef);
}
@Override
public Module find(Class clazz) {
Module m = super.find(clazz);
if (m == null)
return proxyMod[0];
return m;
}
@Override
public Collection<Module> getModules(String moduleName) {
// I could not care less about the modules names
return getModules();
}
@Override
public Collection<Module> getModules() {
ArrayList<Module> list = new ArrayList<Module>();
list.add(proxyMod[0]);
return list;
}
@Override
public Module makeModuleFor(String name, String version, boolean resolve) throws ResolveError {
return proxyMod[0];
}
@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
protected List<ActiveDescriptor> parseInhabitants(Module module, String name, ServiceLocator serviceLocator, List<PopulatorPostProcessor> postProcessors)
throws IOException {
ArrayList<PopulatorPostProcessor> allPostProcessors = new ArrayList<PopulatorPostProcessor>();
allPostProcessors.add(new Hk2LoaderPopulatorPostProcessor(singleClassLoader));
if (postProcessors != null) {
allPostProcessors.addAll(postProcessors);
}
DynamicConfigurationService dcs = serviceLocator.getService(DynamicConfigurationService.class);
Populator populator = dcs.getPopulator();
List<ActiveDescriptor<?>> retVal = populator.populate(
new ClasspathDescriptorFileFinder(singleClassLoader, name),
allPostProcessors.toArray(new PopulatorPostProcessor[allPostProcessors.size()]));
return (List<ActiveDescriptor>) ((List) retVal);
}
}