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/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.modules;
import java.lang.reflect.InvocationTargetException;
import java.nio.ByteBuffer;
import java.security.PermissionCollection;
import java.security.ProtectionDomain;
import java.util.IdentityHashMap;
import java.util.Iterator;
import java.util.NoSuchElementException;
import __redirected.__DatatypeFactory;
import __redirected.__DocumentBuilderFactory;
import __redirected.__SAXParserFactory;
import __redirected.__SchemaFactory;
import __redirected.__TransformerFactory;
import __redirected.__XMLEventFactory;
import __redirected.__XMLInputFactory;
import __redirected.__XMLOutputFactory;
import __redirected.__XMLReaderFactory;
import __redirected.__XPathFactory;
import org.jboss.modules.filter.PathFilter;
import org.jboss.modules.filter.PathFilters;
import org.jboss.modules.log.ModuleLogger;
import org.jboss.modules.security.ModularProtectionDomain;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.security.CodeSource;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.atomic.AtomicReference;
import javax.xml.datatype.DatatypeFactory;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.stream.XMLEventFactory;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.transform.TransformerFactory;
import javax.xml.validation.SchemaFactory;
import javax.xml.xpath.XPathFactory;
/**
* A module classloader. Instances of this class implement the complete view of classes and resources available in a
* module. Contrast with {@link Module}, which has API methods to access the exported view of classes and resources.
*
* @author John Bailey
* @author David M. Lloyd
* @author [email protected]
*
* @apiviz.landmark
*/
public class ModuleClassLoader extends ConcurrentClassLoader {
private static final Map> jaxpClassesByName;
static final Map jaxpImplResources;
static {
boolean parallelOk = true;
try {
parallelOk = ClassLoader.registerAsParallelCapable();
} catch (Throwable ignored) {
}
if (! parallelOk) {
throw new Error("Failed to register " + ModuleClassLoader.class.getName() + " as parallel-capable");
}
Map> jaxpMap = new HashMap<>();
jaxpMap.put(DatatypeFactory.class.getName(), __DatatypeFactory.class);
jaxpMap.put(DocumentBuilderFactory.class.getName(), __DocumentBuilderFactory.class);
jaxpMap.put(SAXParserFactory.class.getName(), __SAXParserFactory.class);
jaxpMap.put(SchemaFactory.class.getName(), __SchemaFactory.class);
jaxpMap.put(TransformerFactory.class.getName(), __TransformerFactory.class);
jaxpMap.put(XMLEventFactory.class.getName(), __XMLEventFactory.class);
jaxpMap.put(XMLInputFactory.class.getName(), __XMLInputFactory.class);
jaxpMap.put(XMLOutputFactory.class.getName(), __XMLOutputFactory.class);
jaxpMap.put(__XMLReaderFactory.SAX_DRIVER, __XMLReaderFactory.class);
jaxpMap.put(XPathFactory.class.getName(), __XPathFactory.class);
Map> classesByName = new HashMap<>();
Map resources = new HashMap<>();
for (Map.Entry> entry : jaxpMap.entrySet()) {
final Class clazz = entry.getValue();
final String clazzName = clazz.getName();
classesByName.put(clazzName, clazz);
try {
resources.put("META-INF/services/" + entry.getKey(), new URLConnectionResource(new URL(null, "data:text/plain;charset=utf-8," + clazzName, DataURLStreamHandler.getInstance())));
} catch (IOException e) {
throw new IllegalStateException(e);
}
}
jaxpClassesByName = classesByName;
jaxpImplResources = resources;
}
private final Module module;
private final ClassTransformer transformer;
private final AtomicReference> paths = new AtomicReference<>(Paths.none());
private final LocalLoader localLoader = new IterableLocalLoader() {
public Class loadClassLocal(final String name, final boolean resolve) {
try {
return ModuleClassLoader.this.loadClassLocal(name, resolve);
} catch (ClassNotFoundException e) {
final Throwable cause = e.getCause();
if (cause instanceof Error) {
throw (Error) cause;
} else if (cause instanceof RuntimeException) {
//unlikely
throw (RuntimeException) cause;
}
return null;
}
}
public Package loadPackageLocal(final String name) {
return findLoadedPackage(name);
}
public List loadResourceLocal(final String name) {
return ModuleClassLoader.this.loadResourceLocal(name);
}
public Iterator iterateResources(final String startPath, final boolean recursive) {
return ModuleClassLoader.this.iterateResources(startPath, recursive);
}
public String toString() {
return "local loader for " + ModuleClassLoader.this.toString();
}
};
/**
* Construct a new instance.
*
* @param configuration the module class loader configuration to use
*/
protected ModuleClassLoader(final Configuration configuration) {
super(configuration.getModule().getModuleLoader().getModuleDescription(configuration.getModule()));
module = configuration.getModule();
paths.lazySet(new Paths<>(configuration.getResourceLoaders(), Collections.>emptyMap()));
final AssertionSetting setting = configuration.getAssertionSetting();
if (setting != AssertionSetting.INHERIT) {
setDefaultAssertionStatus(setting == AssertionSetting.ENABLED);
}
transformer = configuration.getTransformer();
}
/**
* Recalculate the path maps for this module class loader.
*
* @return {@code true} if the paths were recalculated, or {@code false} if another thread finished recalculating
* before the calling thread
*/
boolean recalculate() {
final Paths paths = this.paths.get();
return setResourceLoaders(paths, paths.getSourceList(ResourceLoaderSpec.NO_RESOURCE_LOADERS));
}
/**
* Change the set of resource loaders for this module class loader, and recalculate the path maps.
*
* @param resourceLoaders the new resource loaders
* @return {@code true} if the paths were recalculated, or {@code false} if another thread finished recalculating
* before the calling thread
*/
boolean setResourceLoaders(final ResourceLoaderSpec[] resourceLoaders) {
return setResourceLoaders(paths.get(), resourceLoaders);
}
private boolean setResourceLoaders(final Paths paths, final ResourceLoaderSpec[] resourceLoaders) {
final Map> allPaths = new HashMap>();
for (ResourceLoaderSpec loaderSpec : resourceLoaders) {
final ResourceLoader loader = loaderSpec.getResourceLoader();
final PathFilter filter = loaderSpec.getPathFilter();
for (String path : loader.getPaths()) {
if (filter.accept(path)) {
final List allLoaders = allPaths.get(path);
if (allLoaders == null) {
ArrayList newList = new ArrayList(16);
newList.add(loader);
allPaths.put(path, newList);
} else {
allLoaders.add(loader);
}
}
}
}
return this.paths.compareAndSet(paths, new Paths<>(resourceLoaders, allPaths));
}
/**
* Get the local loader which refers to this module class loader.
*
* @return the local loader
*/
LocalLoader getLocalLoader() {
return localLoader;
}
/** {@inheritDoc} */
@Override
protected final Class findClass(String className, boolean exportsOnly, final boolean resolve) throws ClassNotFoundException {
// Check if we have already loaded it..
Class loadedClass = findLoadedClass(className);
if (loadedClass != null) {
if (resolve) {
resolveClass(loadedClass);
}
return loadedClass;
}
final ModuleLogger log = Module.log;
loadedClass = jaxpClassesByName.get(className);
if (loadedClass != null) {
log.jaxpClassLoaded(loadedClass, module);
if (resolve) {
resolveClass(loadedClass);
}
return loadedClass;
}
final Module module = this.module;
log.trace("Finding class %s from %s", className, module);
final Class clazz = module.loadModuleClass(className, resolve);
if (clazz != null) {
return clazz;
}
log.trace("Class %s not found from %s", className, module);
throw new ClassNotFoundException(getClassNotFoundExceptionMessage(className, module));
}
/**
* Returns an exception message used when producing instances of ClassNotFoundException. This can be overridden
* by subclasses to customise the error message.
*
* @param className the name of the class which is missing
* @param fromModule the module from which the class could not be found
* @return an exception message used when producing instances of ClassNotFoundException
*/
protected String getClassNotFoundExceptionMessage(String className, Module fromModule){
return className + " from [" + fromModule + "]";
}
/**
* Load a class from this class loader.
*
* @param className the class name to load
* @return the loaded class or {@code null} if it was not found
* @throws ClassNotFoundException if an exception occurs while loading the class or its dependencies
*/
public Class loadClassLocal(String className) throws ClassNotFoundException {
return loadClassLocal(className, false);
}
/**
* Load a local class from this class loader.
*
* @param className the class name
* @param resolve {@code true} to resolve the loaded class
* @return the loaded class or {@code null} if it was not found
* @throws ClassNotFoundException if an error occurs while loading the class
*/
public Class loadClassLocal(final String className, final boolean resolve) throws ClassNotFoundException {
final ModuleLogger log = Module.log;
final Module module = this.module;
log.trace("Finding local class %s from %s", className, module);
// Check if we have already loaded it..
Class loadedClass = findLoadedClass(className);
if (loadedClass != null) {
log.trace("Found previously loaded %s from %s", loadedClass, module);
if (resolve) {
resolveClass(loadedClass);
}
return loadedClass;
}
loadedClass = jaxpClassesByName.get(className);
if (loadedClass != null) {
log.jaxpClassLoaded(loadedClass, module);
if (resolve) {
resolveClass(loadedClass);
}
return loadedClass;
}
final Map> paths = this.paths.get().getAllPaths();
log.trace("Loading class %s locally from %s", className, module);
String pathOfClass = Module.pathOfClass(className);
final List loaders = paths.get(pathOfClass);
if (loaders == null) {
// no loaders for this path
return null;
}
// Check to see if we can define it locally it
ClassSpec classSpec;
ResourceLoader resourceLoader;
try {
if (loaders.size() > 0) {
String fileName = Module.fileNameOfClass(className);
for (ResourceLoader loader : loaders) {
classSpec = loader.getClassSpec(fileName);
if (classSpec != null) {
resourceLoader = loader;
try {
preDefine(classSpec, className);
}
catch (Throwable th) {
throw new ClassNotFoundException("Failed to preDefine class: " + className, th);
}
final Class clazz = defineClass(className, classSpec, resourceLoader);
try {
postDefine(classSpec, clazz);
}
catch (Throwable th) {
throw new ClassNotFoundException("Failed to postDefine class: " + className, th);
}
if (resolve) {
resolveClass(clazz);
}
return clazz;
}
}
}
} catch (IOException e) {
throw new ClassNotFoundException(className, e);
} catch (RuntimeException e) {
log.trace(e, "Unexpected runtime exception in module loader");
throw new ClassNotFoundException(className, e);
} catch (Error e) {
log.trace(e, "Unexpected error in module loader");
throw e;
}
log.trace("No local specification found for class %s in %s", className, module);
return null;
}
/**
* Load a local exported resource from a specific root from this module class loader.
*
* @param root the root name
* @param name the resource name
* @return the resource, or {@code null} if it was not found
*/
@Deprecated
Resource loadResourceLocal(final String root, final String name) {
final Map> paths = this.paths.get().getAllPaths();
final String path = Module.pathOf(name);
final URLConnectionResource jaxpResource = jaxpImplResources.get(name);
final List loaders = paths.get(path);
if (loaders != null) {
for (ResourceLoader loader : loaders) {
if (root.equals(loader.getRootName())) {
final Resource resource = loader.getResource(name);
if (jaxpResource != null) Module.log.jaxpResourceLoaded(resource.getURL(), module);
return resource;
}
}
}
return null;
}
/**
* Load a local exported resource from this class loader.
*
* @param name the resource name
* @return the list of resources
*/
public List loadResourceLocal(final String name) {
final Map> paths = this.paths.get().getAllPaths();
final String path = Module.pathOf(name);
final URLConnectionResource jaxpResource = jaxpImplResources.get(name);
final List loaders = paths.get(path);
final List list = new ArrayList(loaders == null ? 1 : loaders.size());
if (loaders != null) {
for (ResourceLoader loader : loaders) {
final Resource resource = loader.getResource(name);
if (resource != null) {
if (jaxpResource != null) Module.log.jaxpResourceLoaded(resource.getURL(), module);
list.add(resource);
}
}
}
return list.isEmpty() ? Collections.emptyList() : list;
}
private Class doDefineOrLoadClass(final String className, final byte[] bytes, final ByteBuffer byteBuffer, ProtectionDomain protectionDomain) {
try {
final Class definedClass = bytes != null ?
defineClass(className, bytes, 0, bytes.length, protectionDomain) :
defineClass(className, byteBuffer, protectionDomain);
module.getModuleLoader().incClassCount();
return definedClass;
} catch (LinkageError e) {
final Class loadedClass = findLoadedClass(className);
if (loadedClass != null) {
module.getModuleLoader().incRaceCount();
return loadedClass;
}
throw e;
}
}
private final IdentityHashMap protectionDomains = new IdentityHashMap();
private ProtectionDomain getProtectionDomain(CodeSource codeSource) {
final IdentityHashMap map = protectionDomains;
synchronized (map) {
ProtectionDomain protectionDomain = map.get(codeSource);
if (protectionDomain == null) {
final PermissionCollection permissions = module.getPermissionCollection();
protectionDomain = new ModularProtectionDomain(codeSource, permissions, this);
map.put(codeSource, protectionDomain);
}
return protectionDomain;
}
}
/**
* Define a class from a class name and class spec. Also defines any enclosing {@link Package} instances,
* and performs any sealed-package checks.
*
* @param name the class name
* @param classSpec the class spec
* @param resourceLoader the resource loader of the class spec
* @return the new class
*/
private Class defineClass(final String name, final ClassSpec classSpec, final ResourceLoader resourceLoader) {
final ModuleLogger log = Module.log;
final Module module = this.module;
log.trace("Attempting to define class %s in %s", name, module);
// Ensure that the package is loaded
final int lastIdx = name.lastIndexOf('.');
if (lastIdx != -1) {
// there's a package name; get the Package for it
final String packageName = name.substring(0, lastIdx);
synchronized (this) {
Package pkg = findLoadedPackage(packageName);
if (pkg == null) {
try {
pkg = definePackage(packageName, resourceLoader.getPackageSpec(packageName));
} catch (IOException e) {
pkg = definePackage(packageName, null);
}
}
// Check sealing
if (pkg.isSealed() && ! pkg.isSealed(classSpec.getCodeSource().getLocation())) {
log.trace("Detected a sealing violation (attempt to define class %s in sealed package %s in %s)", name, packageName, module);
// use the same message as the JDK
throw new SecurityException("sealing violation: package " + packageName + " is sealed");
}
}
}
final Class newClass;
try {
byte[] bytes = classSpec.getBytes();
ByteBuffer byteBuffer = classSpec.getByteBuffer();
try {
final ProtectionDomain protectionDomain = getProtectionDomain(classSpec.getCodeSource());
if (transformer != null) {
ByteBuffer buffer = byteBuffer;
if (buffer == null) {
buffer = ByteBuffer.wrap(bytes);
}
int pos = buffer.position();
int lim = buffer.limit();
ByteBuffer transformed;
try {
transformed = transformer.transform(this, name.replace('.', '/'), protectionDomain, buffer);
} catch (Exception e) {
ClassFormatError error = new ClassFormatError(e.getMessage());
error.initCause(e);
throw error;
}
if (transformed != null) {
byteBuffer = transformed;
bytes = null;
} else if (byteBuffer != null) {
byteBuffer.position(0);
byteBuffer.limit(lim);
byteBuffer.position(pos);
}
}
final long start = Metrics.getCurrentCPUTime();
newClass = doDefineOrLoadClass(name, bytes, byteBuffer, protectionDomain);
module.getModuleLoader().addClassLoadTime(Metrics.getCurrentCPUTime() - start);
log.classDefined(name, module);
} catch (LinkageError e) {
// Prepend the current class name, so that transitive class definition issues are clearly expressed
Error ne;
try {
final String oldMsg = e.getMessage();
final String newMsg = "Failed to link " + name.replace('.', '/') + " (" + module + ")";
ne = e.getClass().getConstructor(String.class).newInstance(oldMsg == null || oldMsg.isEmpty() ? newMsg : newMsg + ": " + oldMsg);
ne.setStackTrace(e.getStackTrace());
} catch (InstantiationException | NoSuchMethodException | InvocationTargetException | IllegalAccessException ignored) {
// just throw the original
throw e;
}
throw ne;
}
} catch (Error | RuntimeException e) {
log.classDefineFailed(e, name, module);
throw e;
}
final AssertionSetting setting = classSpec.getAssertionSetting();
if (setting != AssertionSetting.INHERIT) {
setClassAssertionStatus(name, setting == AssertionSetting.ENABLED);
}
return newClass;
}
/**
* A hook which is invoked before a class is defined.
*
* @param classSpec the class spec of the defined class
* @param className the class to be defined
*/
@SuppressWarnings("unused")
protected void preDefine(ClassSpec classSpec, String className) {
}
/**
* A hook which is invoked after a class is defined.
*
* @param classSpec the class spec of the defined class
* @param definedClass the class that was defined
*/
@SuppressWarnings("unused")
protected void postDefine(ClassSpec classSpec, Class definedClass) {
}
/**
* Define a package from a package spec.
*
* @param name the package name
* @param spec the package specification
* @return the new package
*/
private Package definePackage(final String name, final PackageSpec spec) {
final Module module = this.module;
final ModuleLogger log = Module.log;
log.trace("Attempting to define package %s in %s", name, module);
final Package pkg;
if (spec == null) {
pkg = definePackage(name, null, null, null, null, null, null, null);
} else {
pkg = definePackage(name, spec.getSpecTitle(), spec.getSpecVersion(), spec.getSpecVendor(), spec.getImplTitle(), spec.getImplVersion(), spec.getImplVendor(), spec.getSealBase());
final AssertionSetting setting = spec.getAssertionSetting();
if (setting != AssertionSetting.INHERIT) {
setPackageAssertionStatus(name, setting == AssertionSetting.ENABLED);
}
}
log.trace("Defined package %s in %s", name, module);
return pkg;
}
/**
* Find a library from one of the resource loaders.
*
* @param libname the library name
* @return the full absolute path to the library
*/
@Override
protected final String findLibrary(final String libname) {
final ModuleLogger log = Module.log;
log.trace("Attempting to load native library %s from %s", libname, module);
for (ResourceLoaderSpec loader : paths.get().getSourceList(ResourceLoaderSpec.NO_RESOURCE_LOADERS)) {
final String library = loader.getResourceLoader().getLibrary(libname);
if (library != null) {
return library;
}
}
return null;
}
/** {@inheritDoc} */
@Override
public final URL findResource(final String name, final boolean exportsOnly) {
return module.getResource(name);
}
/** {@inheritDoc} */
@Override
public final Enumeration findResources(final String name, final boolean exportsOnly) {
return module.getResources(name);
}
/** {@inheritDoc} */
@Override
public final InputStream findResourceAsStream(final String name, boolean exportsOnly) {
try {
return module.getResourceAsStream(name);
} catch (IOException e) {
return null;
}
}
/**
* Get the module for this class loader.
*
* @return the module
*/
public final Module getModule() {
return module;
}
/**
* Get the name of this module. This method is used by Java 9 in debug output.
*
* @return the name of this module
*/
public final String getName() {
return super.getName();
}
/**
* Get a string representation of this class loader.
*
* @return the string
*/
@Override
public final String toString() {
return getClass().getSimpleName() + " for " + module;
}
Set getPaths() {
return paths.get().getAllPaths().keySet();
}
/** {@inheritDoc} */
@Override
protected final Package definePackage(final String name, final String specTitle, final String specVersion, final String specVendor, final String implTitle, final String implVersion, final String implVendor, final URL sealBase) throws IllegalArgumentException {
return super.definePackage(name, specTitle, specVersion, specVendor, implTitle, implVersion, implVendor, sealBase);
}
/** {@inheritDoc} */
@Override
protected final Package getPackageByName(final String name) {
Package loaded = findLoadedPackage(name);
if (loaded != null) {
return loaded;
}
return module.getPackage(name);
}
/** {@inheritDoc} */
@Override
protected final Package[] getPackages() {
return module.getPackages();
}
/** {@inheritDoc} */
@Override
public final void setDefaultAssertionStatus(final boolean enabled) {
super.setDefaultAssertionStatus(enabled);
}
/** {@inheritDoc} */
@Override
public final void setPackageAssertionStatus(final String packageName, final boolean enabled) {
super.setPackageAssertionStatus(packageName, enabled);
}
/** {@inheritDoc} */
@Override
public final void setClassAssertionStatus(final String className, final boolean enabled) {
super.setClassAssertionStatus(className, enabled);
}
/** {@inheritDoc} */
@Override
public final void clearAssertionStatus() {
super.clearAssertionStatus();
}
/** {@inheritDoc} */
@Override
public final int hashCode() {
return super.hashCode();
}
/** {@inheritDoc} */
@Override
public final boolean equals(final Object obj) {
return super.equals(obj);
}
/** {@inheritDoc} */
@Override
protected final Object clone() throws CloneNotSupportedException {
return super.clone();
}
/** {@inheritDoc} */
@Override
protected final void finalize() throws Throwable {
super.finalize();
}
ResourceLoader[] getResourceLoaders() {
final ResourceLoaderSpec[] specs = paths.get().getSourceList(ResourceLoaderSpec.NO_RESOURCE_LOADERS);
final int length = specs.length;
final ResourceLoader[] loaders = new ResourceLoader[length];
for (int i = 0; i < length; i++) {
loaders[i] = specs[i].getResourceLoader();
}
return loaders;
}
/**
* Iterate the resources within this module class loader. Only resource roots which are inherently iterable will
* be checked, thus the result of this method may only be a subset of the actual loadable resources. The returned
* resources are not sorted or grouped in any particular way.
*
* @param startName the directory name to search
* @param recurse {@code true} to recurse into subdirectories, {@code false} otherwise
* @return the resource iterator
*/
public final Iterator iterateResources(final String startName, final boolean recurse) {
final String realStartName = PathUtils.canonicalize(PathUtils.relativize(startName));
final PathFilter filter;
if (recurse) {
if (realStartName.isEmpty()) {
filter = PathFilters.acceptAll();
} else {
filter = PathFilters.any(PathFilters.is(realStartName), PathFilters.isChildOf(realStartName));
}
} else {
filter = PathFilters.is(realStartName);
}
final Map> paths = this.paths.get().getAllPaths();
final Iterator>> iterator = paths.entrySet().iterator();
return new Iterator() {
private String path;
private Iterator resourceIterator;
private Iterator loaderIterator;
private Resource next;
public boolean hasNext() {
while (next == null) {
if (resourceIterator != null) {
assert path != null;
if (resourceIterator.hasNext()) {
next = resourceIterator.next();
return true;
}
resourceIterator = null;
}
if (loaderIterator != null) {
assert path != null;
if (loaderIterator.hasNext()) {
final ResourceLoader loader = loaderIterator.next();
if (loader instanceof IterableResourceLoader) {
resourceIterator = ((IterableResourceLoader)loader).iterateResources(path, false);
continue;
}
}
loaderIterator = null;
}
if (! iterator.hasNext()) {
return false;
}
final Map.Entry> entry = iterator.next();
path = entry.getKey();
if (filter.accept(path)) {
loaderIterator = entry.getValue().iterator();
}
}
return true;
}
public Resource next() {
if (! hasNext()) throw new NoSuchElementException();
try {
return next;
} finally {
next = null;
}
}
public void remove() {
throw new UnsupportedOperationException();
}
};
}
/**
* Get the (unmodifiable) set of paths which are locally available in this module class loader. The set will
* include all paths defined by the module's resource loaders, minus any paths excluded by filters. The set will
* generally always contain an empty entry (""). The set is unordered and unsorted, and is iterable in O(n) time
* and accessible in O(1) time.
*
* @return the set of local paths
*/
public final Set getLocalPaths() {
return Collections.unmodifiableSet(paths.get().getAllPaths().keySet());
}
/**
* An opaque configuration used internally to create a module class loader.
*
* @apiviz.exclude
*/
public static final class Configuration {
private final Module module;
private final AssertionSetting assertionSetting;
private final ResourceLoaderSpec[] resourceLoaders;
private final ClassTransformer transformer;
Configuration(final Module module, final AssertionSetting assertionSetting, final ResourceLoaderSpec[] resourceLoaders, final ClassTransformer transformer) {
this.module = module;
this.assertionSetting = assertionSetting;
this.resourceLoaders = resourceLoaders;
this.transformer = transformer;
}
Module getModule() {
return module;
}
AssertionSetting getAssertionSetting() {
return assertionSetting;
}
ResourceLoaderSpec[] getResourceLoaders() {
return resourceLoaders;
}
ClassTransformer getTransformer() {
return transformer;
}
}
}
