return Thread.currentThread().getContextClassLoader();
}
private UrlSet buildUrlSet(List<URL> resourceUrls) throws IOException {
ClassLoaderInterface classLoaderInterface = getClassLoaderInterface();
UrlSet urlSet = new UrlSet(resourceUrls);
urlSet.include(new UrlSet(classLoaderInterface, this.fileProtocols));
//excluding the urls found by the parent class loader is desired, but fails in JBoss (all urls are removed)
if (excludeParentClassLoader) {
//exclude parent of classloaders
ClassLoaderInterface parent = classLoaderInterface.getParent();
//if reload is enabled, we need to step up one level, otherwise the UrlSet will be empty
//this happens because the parent of the realoding class loader is the web app classloader
if (parent != null && isReloadEnabled())
parent = parent.getParent();
if (parent != null)
urlSet = urlSet.exclude(parent);
try {
// This may fail in some sandboxes, ie GAE
ClassLoader systemClassLoader = ClassLoader.getSystemClassLoader();
urlSet = urlSet.exclude(new ClassLoaderInterfaceDelegate(systemClassLoader.getParent()));
} catch (SecurityException e) {
if (LOG.isWarnEnabled())
LOG.warn("Could not get the system classloader due to security constraints, there may be improper urls left to scan");
}
}
//try to find classes dirs inside war files
urlSet = urlSet.includeClassesUrl(classLoaderInterface, new UrlSet.FileProtocolNormalizer() {
public URL normalizeToFileProtocol(URL url) {
return fileManager.normalizeToFileProtocol(url);
}
});
urlSet = urlSet.excludeJavaExtDirs();
urlSet = urlSet.excludeJavaEndorsedDirs();
try {
urlSet = urlSet.excludeJavaHome();
} catch (NullPointerException e) {
// This happens in GAE since the sandbox contains no java.home directory
if (LOG.isWarnEnabled())
LOG.warn("Could not exclude JAVA_HOME, is this a sandbox jvm?");
}
urlSet = urlSet.excludePaths(System.getProperty("sun.boot.class.path", ""));
urlSet = urlSet.exclude(".*/JavaVM.framework/.*");
if (includeJars == null) {
urlSet = urlSet.exclude(".*?\\.jar(!/|/)?");
} else {
//jar urls regexes were specified
List<URL> rawIncludedUrls = urlSet.getUrls();
Set<URL> includeUrls = new HashSet<URL>();
boolean[] patternUsed = new boolean[includeJars.length];
for (URL url : rawIncludedUrls) {
if (fileProtocols.contains(url.getProtocol())) {
//it is a jar file, make sure it macthes at least a url regex
for (int i = 0; i < includeJars.length; i++) {
String includeJar = includeJars[i];
if (Pattern.matches(includeJar, url.toExternalForm())) {
includeUrls.add(url);
patternUsed[i] = true;
break;
}
}
} else {
//it is not a jar
includeUrls.add(url);
}
}
if (LOG.isWarnEnabled()) {
for (int i = 0; i < patternUsed.length; i++) {
if (!patternUsed[i]) {
LOG.warn("The includeJars pattern [#0] did not match any jars in the classpath", includeJars[i]);
}
}
}
return new UrlSet(includeUrls);
}
return urlSet;
}