List of usage examples for org.springframework.boot.loader.archive JarFileArchive getUrl
@Override public URL getUrl() throws MalformedURLException
From source file:org.springframework.cloud.dataflow.app.launcher.ModuleLauncher.java
public void launchAggregatedModules(List<ModuleLaunchRequest> moduleLaunchRequests, Map<String, String> aggregateArgs) { try {/*from www .j a va2 s .c o m*/ List<String> mainClassNames = new ArrayList<>(); LinkedHashSet<URL> jarURLs = new LinkedHashSet<>(); List<String> seenArchives = new ArrayList<>(); final List<String[]> arguments = new ArrayList<>(); final ClassLoader classLoader; if (!(aggregateArgs.containsKey(EXCLUDE_DEPENDENCIES_ARG) || aggregateArgs.containsKey(INCLUDE_DEPENDENCIES_ARG))) { for (ModuleLaunchRequest moduleLaunchRequest : moduleLaunchRequests) { Resource resource = resolveModule(moduleLaunchRequest.getModule()); JarFileArchive jarFileArchive = new JarFileArchive(resource.getFile()); jarURLs.add(jarFileArchive.getUrl()); for (Archive archive : jarFileArchive.getNestedArchives(ArchiveMatchingEntryFilter.FILTER)) { // avoid duplication based on unique JAR names String urlAsString = archive.getUrl().toString(); String jarNameWithExtension = urlAsString.substring(0, urlAsString.lastIndexOf("!/")); String jarNameWithoutExtension = jarNameWithExtension .substring(jarNameWithExtension.lastIndexOf("/") + 1); if (!seenArchives.contains(jarNameWithoutExtension)) { seenArchives.add(jarNameWithoutExtension); jarURLs.add(archive.getUrl()); } } mainClassNames.add(jarFileArchive.getMainClass()); arguments.add(toArgArray(moduleLaunchRequest.getArguments())); } classLoader = ClassloaderUtils.createModuleClassloader(jarURLs.toArray(new URL[jarURLs.size()])); } else { // First, resolve modules and extract main classes - while slightly less efficient than just // doing the same processing after resolution, this ensures that module artifacts are processed // correctly for extracting their main class names. It is not possible in the general case to // identify, after resolution, whether a resource represents a module artifact which was part of the // original request or not. We will include the first module as root and the next as direct dependencies Coordinates root = null; ArrayList<Coordinates> includeCoordinates = new ArrayList<>(); for (ModuleLaunchRequest moduleLaunchRequest : moduleLaunchRequests) { Coordinates moduleCoordinates = toCoordinates(moduleLaunchRequest.getModule()); if (root == null) { root = moduleCoordinates; } else { includeCoordinates.add(toCoordinates(moduleLaunchRequest.getModule())); } Resource moduleResource = resolveModule(moduleLaunchRequest.getModule()); JarFileArchive moduleArchive = new JarFileArchive(moduleResource.getFile()); mainClassNames.add(moduleArchive.getMainClass()); arguments.add(toArgArray(moduleLaunchRequest.getArguments())); } for (String include : StringUtils .commaDelimitedListToStringArray(aggregateArgs.get(INCLUDE_DEPENDENCIES_ARG))) { includeCoordinates.add(toCoordinates(include)); } // Resolve all artifacts - since modules have been specified as direct dependencies, they will take // precedence in the resolution order, ensuring that the already resolved artifacts will be returned as // part of the response. Resource[] libraries = moduleResolver.resolve(root, includeCoordinates.toArray(new Coordinates[includeCoordinates.size()]), StringUtils.commaDelimitedListToStringArray(aggregateArgs.get(EXCLUDE_DEPENDENCIES_ARG))); for (Resource library : libraries) { jarURLs.add(library.getURL()); } classLoader = new URLClassLoader(jarURLs.toArray(new URL[jarURLs.size()])); } final List<Class<?>> mainClasses = new ArrayList<>(); for (String mainClass : mainClassNames) { mainClasses.add(ClassUtils.forName(mainClass, classLoader)); } Runnable moduleAggregatorRunner = new ModuleAggregatorRunner(classLoader, mainClasses, toArgArray(aggregateArgs), arguments); Thread moduleAggregatorRunnerThread = new Thread(moduleAggregatorRunner); moduleAggregatorRunnerThread.setContextClassLoader(classLoader); moduleAggregatorRunnerThread.setName(MODULE_AGGREGATOR_RUNNER_THREAD_NAME); moduleAggregatorRunnerThread.start(); } catch (Exception e) { throw new RuntimeException("failed to start aggregated modules: " + StringUtils.collectionToCommaDelimitedString(moduleLaunchRequests), e); } }