private void handleDir(
File packDir, boolean scanRecursively, String packName, Set<String> foundClasses) {
if (packDir != null && packDir.exists() && packDir.canRead()) {
for (File file : packDir.listFiles()) {
if (file.isFile()) {
if (Files.isUsable(file) && Files.isClass(file.getName())) {
foundClasses.add(Files.filenameToClassname(packName + "." + file.getName()));
}
}
if (file.isDirectory() && scanRecursively) {
handleDir(file, scanRecursively, packName + "." + file.getName(), foundClasses);
}
}
}
}
private void handleJar(
URI resourceUri, boolean scanRecursively, String packName, Set<String> foundClasses) {
// Currently we only support jar:file
if (resourceUri.getSchemeSpecificPart().startsWith(PROCOTOL_FILE)) {
// Get the JAR file path, e.g. "jar:file:/home/duke/duke.jar!/com/foo/Bar" becomes
// "/home/duke/duke.jar"
String path = resourceUri.getSchemeSpecificPart().substring(PROTOCOL_FILE_PART.length());
if (path.lastIndexOf(JAR_URL_SEPARATOR) > 0) {
path = path.substring(0, path.lastIndexOf(JAR_URL_SEPARATOR));
}
JarFile jar = null;
String packNamePath = packName.replace('.', '/');
int expectedPartsLength = splitBySlash(packNamePath).length + 1;
try {
jar = new JarFile(new File(path));
Enumeration<JarEntry> entries = jar.entries();
while (entries.hasMoreElements()) {
JarEntry entry = entries.nextElement();
if (!entry.getName().endsWith(Files.CLASS_FILE_EXTENSION)) {
continue;
}
if (entry.getName().startsWith(packNamePath)) {
if (scanRecursively) {
foundClasses.add(Files.filenameToClassname(entry.getName()));
} else {
String[] parts = splitBySlash(entry.getName());
if (parts.length == expectedPartsLength) {
foundClasses.add(Files.filenameToClassname(entry.getName()));
}
}
}
}
} catch (IOException e) {
CommonLogger.LOG.couldNotReadResource(resourceUri, e);
} finally {
if (jar != null) {
try {
jar.close();
} catch (IOException ignored) {
}
}
}
}
}