@Test
public void testModuleDelegatesToFramework() throws Exception {
ModuleIdentifier identifierF = ModuleIdentifier.create("framework");
ModuleSpec.Builder specBuilderF = ModuleSpec.build(identifierF);
PathFilter importFilter = getSystemFilter();
PathFilter exportFilter = PathFilters.acceptAll();
specBuilderF.addDependency(
DependencySpec.createSystemDependencySpec(importFilter, exportFilter, getSystemPaths()));
importFilter = PathFilters.in(getFrameworkPaths());
exportFilter = PathFilters.acceptAll();
FrameworkLocalLoader localLoader = new FrameworkLocalLoader(Bundle.class.getClassLoader());
specBuilderF.addDependency(
DependencySpec.createLocalDependencySpec(
importFilter, exportFilter, localLoader, getFrameworkPaths()));
addModuleSpec(specBuilderF.create());
ModuleIdentifier identifierA = ModuleIdentifier.create("moduleA");
ModuleSpec.Builder specBuilderA = ModuleSpec.build(identifierA);
VirtualFileResourceLoader resourceLoaderA = new VirtualFileResourceLoader(virtualFileA);
specBuilderA.addResourceRoot(ResourceLoaderSpec.createResourceLoaderSpec(resourceLoaderA));
specBuilderA.addDependency(DependencySpec.createModuleDependencySpec(identifierF));
specBuilderA.addDependency(DependencySpec.createLocalDependencySpec());
addModuleSpec(specBuilderA.create());
assertLoadClass(identifierA, "org.osgi.framework.Bundle");
assertLoadClass(identifierA, "javax.security.auth.x500.X500Principal");
}
@Override
public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
final DeploymentUnit parent =
deploymentUnit.getParent() == null ? deploymentUnit : deploymentUnit.getParent();
final ModuleSpecification parentModuleSpec =
parent.getAttachment(Attachments.MODULE_SPECIFICATION);
final ModuleSpecification moduleSpec =
deploymentUnit.getAttachment(Attachments.MODULE_SPECIFICATION);
final ModuleLoader moduleLoader =
deploymentUnit.getAttachment(Attachments.SERVICE_MODULE_LOADER);
final ModuleIdentifier moduleIdentifier =
deploymentUnit.getAttachment(Attachments.MODULE_IDENTIFIER);
if (deploymentUnit.getParent() != null) {
final ModuleIdentifier parentModule = parent.getAttachment(Attachments.MODULE_IDENTIFIER);
if (parentModule != null) {
// access to ear classes
ModuleDependency moduleDependency =
new ModuleDependency(moduleLoader, parentModule, false, false, true);
moduleDependency.addImportFilter(PathFilters.acceptAll(), true);
moduleSpec.addLocalDependency(moduleDependency);
}
}
// If the sub deployments aren't isolated, then we need to set up dependencies between the sub
// deployments
if (!parentModuleSpec.isSubDeploymentModulesIsolated()) {
final List<DeploymentUnit> subDeployments =
parent.getAttachmentList(Attachments.SUB_DEPLOYMENTS);
final List<ModuleDependency> accessibleModules = new ArrayList<ModuleDependency>();
for (DeploymentUnit subDeployment : subDeployments) {
final ModuleSpecification subModule =
subDeployment.getAttachment(Attachments.MODULE_SPECIFICATION);
if (!subModule.isPrivateModule()) {
ModuleIdentifier identifier = subDeployment.getAttachment(Attachments.MODULE_IDENTIFIER);
ModuleDependency dependency =
new ModuleDependency(moduleLoader, identifier, false, false, true);
dependency.addImportFilter(PathFilters.acceptAll(), true);
accessibleModules.add(dependency);
}
}
for (ModuleDependency identifier : accessibleModules) {
if (!identifier.equals(moduleIdentifier)) {
moduleSpec.addLocalDependencies(accessibleModules);
}
}
}
}
@Test
public void testAvailableFrameworkModule() throws Exception {
ModuleIdentifier identifierF = ModuleIdentifier.create("framework");
ModuleSpec.Builder specBuilderF = ModuleSpec.build(identifierF);
PathFilter importFilter = PathFilters.in(getFrameworkPaths());
PathFilter exportFilter = PathFilters.acceptAll();
FrameworkLocalLoader localLoader = new FrameworkLocalLoader(Bundle.class.getClassLoader());
specBuilderF.addDependency(
DependencySpec.createLocalDependencySpec(
importFilter, exportFilter, localLoader, getFrameworkPaths()));
addModuleSpec(specBuilderF.create());
assertLoadClass(identifierF, "org.osgi.framework.Bundle");
assertLoadClassFail(identifierF, "javax.security.auth.x500.X500Principal");
}
@Override
public ModuleSpec get(ModuleLoader loader, ModuleIdentifier id) {
if (getId().equals(id)) {
Builder builder = ModuleSpec.build(id);
builder.addDependency(
DependencySpec.createClassLoaderDependencySpec(
PathFilters.acceptAll(),
PathFilters.acceptAll(),
AbstractModuleSpecProvider.class.getClassLoader(),
getPaths()));
builder.addDependency(
DependencySpec.createClassLoaderDependencySpec(
PathFilters.acceptAll(),
PathFilters.acceptAll(),
ClassLoader.getSystemClassLoader(),
getPaths()));
configure(loader, builder);
return builder.create();
}
return null;
}
@Test
public void testNotAvailableOnSystemModule() throws Exception {
ModuleIdentifier identifierA = ModuleIdentifier.create("moduleA");
ModuleSpec.Builder specBuilderA = ModuleSpec.build(identifierA);
VirtualFileResourceLoader resourceLoaderA = new VirtualFileResourceLoader(virtualFileA);
specBuilderA.addResourceRoot(ResourceLoaderSpec.createResourceLoaderSpec(resourceLoaderA));
PathFilter importFilter = getSystemFilter();
PathFilter exportFilter = PathFilters.acceptAll();
specBuilderA.addDependency(
DependencySpec.createSystemDependencySpec(importFilter, exportFilter, getSystemPaths()));
specBuilderA.addDependency(DependencySpec.createLocalDependencySpec());
addModuleSpec(specBuilderA.create());
assertLoadClassFail(identifierA, "org.osgi.framework.Bundle");
assertLoadClass(identifierA, "javax.security.auth.x500.X500Principal");
}
@Override
public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
final DeploymentUnit parent = deploymentUnit.getParent();
// only run for sub deployments
if (parent == null) {
return;
}
final ModuleSpecification moduleSpec =
deploymentUnit.getAttachment(Attachments.MODULE_SPECIFICATION);
final ModuleLoader moduleLoader =
deploymentUnit.getAttachment(Attachments.SERVICE_MODULE_LOADER);
final ModuleIdentifier parentModule = parent.getAttachment(Attachments.MODULE_IDENTIFIER);
if (parentModule != null) {
// access to ear classes
ModuleDependency moduleDependency =
new ModuleDependency(moduleLoader, parentModule, false, false, true);
moduleDependency.addImportFilter(PathFilters.acceptAll(), true);
moduleSpec.addDependency(moduleDependency);
}
}
@Test
public void testTwoHopDelegation() throws Exception {
ModuleIdentifier identifierB = ModuleIdentifier.create("moduleB");
ModuleSpec.Builder specBuilderB = ModuleSpec.build(identifierB);
PathFilter importFilter = getSystemFilter();
PathFilter exportFilter = PathFilters.acceptAll();
specBuilderB.addDependency(
DependencySpec.createSystemDependencySpec(importFilter, exportFilter, getSystemPaths()));
addModuleSpec(specBuilderB.create());
ModuleIdentifier identifierA = ModuleIdentifier.create("moduleA");
ModuleSpec.Builder specBuilderA = ModuleSpec.build(identifierA);
VirtualFileResourceLoader resourceLoaderA = new VirtualFileResourceLoader(virtualFileA);
specBuilderA.addResourceRoot(ResourceLoaderSpec.createResourceLoaderSpec(resourceLoaderA));
specBuilderA.addDependency(DependencySpec.createModuleDependencySpec(identifierB));
specBuilderA.addDependency(DependencySpec.createLocalDependencySpec());
addModuleSpec(specBuilderA.create());
assertLoadClass(identifierB, "javax.security.auth.x500.X500Principal", null);
assertLoadClass(identifierA, "javax.security.auth.x500.X500Principal", null);
}
/** {@inheritDoc} */
public PathFilter getExportFilter() {
return PathFilters.acceptAll();
}
private PathFilter getSystemFilter() {
return PathFilters.in(getSystemPaths());
}
private PathFilter getSystemFilter() {
MultiplePathFilterBuilder pathBuilder = PathFilters.multiplePathFilterBuilder(false);
pathBuilder.addFilter(PathFilters.isChildOf("javax/security"), true);
PathFilter importFilter = pathBuilder.create();
return importFilter;
}
public ModuleSpec findModule(final ModuleIdentifier identifier, final ModuleLoader delegateLoader)
throws ModuleLoadException {
if (identifier.equals(myIdentifier)) {
// special root JAR module
Manifest manifest;
try {
manifest = jarFile.getManifest();
} catch (IOException e) {
throw new ModuleLoadException("Failed to load MANIFEST from JAR", e);
}
ModuleSpec.Builder builder = ModuleSpec.build(identifier);
Attributes mainAttributes = manifest.getMainAttributes();
String mainClass = mainAttributes.getValue(Attributes.Name.MAIN_CLASS);
if (mainClass != null) {
builder.setMainClass(mainClass);
}
String classPath = mainAttributes.getValue(Attributes.Name.CLASS_PATH);
String dependencies = mainAttributes.getValue("Dependencies");
MultiplePathFilterBuilder pathFilterBuilder = PathFilters.multiplePathFilterBuilder(true);
pathFilterBuilder.addFilter(PathFilters.is("modules"), false);
pathFilterBuilder.addFilter(PathFilters.isChildOf("modules"), false);
builder.addResourceRoot(
ResourceLoaderSpec.createResourceLoaderSpec(
new JarFileResourceLoader("", jarFile), pathFilterBuilder.create()));
String[] classPathEntries =
classPath == null ? JarModuleLoader.NO_STRINGS : classPath.split("\\s+");
for (String entry : classPathEntries) {
if (!entry.isEmpty()) {
if (entry.startsWith("../")
|| entry.startsWith("./")
|| entry.startsWith("/")
|| entry.contains("/../")) {
// invalid
continue;
}
if (entry.endsWith("/")) {
// directory reference
File root = new File(jarFile.getName(), entry);
FileResourceLoader resourceLoader = new FileResourceLoader(entry, root);
builder.addResourceRoot(ResourceLoaderSpec.createResourceLoaderSpec(resourceLoader));
} else {
// assume a JAR
File root = new File(jarFile.getName(), entry);
JarFile childJarFile;
try {
childJarFile = new JarFile(root, true);
} catch (IOException e) {
// ignore and continue
continue;
}
builder.addResourceRoot(
ResourceLoaderSpec.createResourceLoaderSpec(
new JarFileResourceLoader(entry, childJarFile)));
}
}
}
String[] dependencyEntries =
dependencies == null ? JarModuleLoader.NO_STRINGS : dependencies.split("\\s*,\\s*");
for (String dependencyEntry : dependencyEntries) {
boolean optional = false;
boolean export = false;
dependencyEntry = dependencyEntry.trim();
if (!dependencyEntry.isEmpty()) {
String[] fields = dependencyEntry.split("\\s+");
if (fields.length < 1) {
continue;
}
String moduleName = fields[0];
for (int i = 1; i < fields.length; i++) {
String field = fields[i];
if (field.equals("optional")) {
optional = true;
} else if (field.equals("export")) {
export = true;
}
// else ignored
}
builder.addDependency(
DependencySpec.createModuleDependencySpec(
ModuleIdentifier.fromString(moduleName), export, optional));
}
}
builder.addDependency(DependencySpec.createSystemDependencySpec(JDKPaths.JDK));
builder.addDependency(DependencySpec.createLocalDependencySpec());
return builder.create();
} else {
String namePath = identifier.getName().replace('.', '/');
String basePath = "modules/" + namePath + "/" + identifier.getSlot();
JarEntry moduleXmlEntry = jarFile.getJarEntry(basePath + "/module.xml");
if (moduleXmlEntry == null) {
return null;
}
ModuleSpec moduleSpec;
try {
InputStream inputStream = jarFile.getInputStream(moduleXmlEntry);
try {
moduleSpec =
ModuleXmlParser.parseModuleXml(
new ModuleXmlParser.ResourceRootFactory() {
public ResourceLoader createResourceLoader(
final String rootPath, final String loaderPath, final String loaderName)
throws IOException {
return new JarFileResourceLoader(loaderName, jarFile, loaderPath);
}
},
basePath,
inputStream,
moduleXmlEntry.getName(),
delegateLoader,
identifier);
} finally {
JarModuleLoader.safeClose(inputStream);
}
} catch (IOException e) {
throw new ModuleLoadException("Failed to read module.xml file", e);
}
return moduleSpec;
}
}
