@SuppressWarnings("resource")
private InitStep loadInitStep(Path jar) {
try {
URLClassLoader pluginLoader =
new URLClassLoader(
new URL[] {jar.toUri().toURL()}, InitPluginStepsLoader.class.getClassLoader());
try (JarFile jarFile = new JarFile(jar.toFile())) {
Attributes jarFileAttributes = jarFile.getManifest().getMainAttributes();
String initClassName = jarFileAttributes.getValue("Gerrit-InitStep");
if (initClassName == null) {
return null;
}
@SuppressWarnings("unchecked")
Class<? extends InitStep> initStepClass =
(Class<? extends InitStep>) pluginLoader.loadClass(initClassName);
return getPluginInjector(jar).getInstance(initStepClass);
} catch (ClassCastException e) {
ui.message(
"WARN: InitStep from plugin %s does not implement %s (Exception: %s)\n",
jar.getFileName(), InitStep.class.getName(), e.getMessage());
return null;
} catch (NoClassDefFoundError e) {
ui.message(
"WARN: Failed to run InitStep from plugin %s (Missing class: %s)\n",
jar.getFileName(), e.getMessage());
return null;
}
} catch (Exception e) {
ui.message(
"WARN: Cannot load and get plugin init step for %s (Exception: %s)\n",
jar, e.getMessage());
return null;
}
}
private String readEmail(String defaultEmail) {
String email = ui.readString(defaultEmail, "email");
if (email != null && !EmailValidator.getInstance().isValid(email)) {
ui.message("error: invalid email address\n");
return readEmail(defaultEmail);
}
return email;
}
private List<Path> scanJarsInPluginsDirectory() {
if (pluginsDir == null || !Files.isDirectory(pluginsDir)) {
return Collections.emptyList();
}
DirectoryStream.Filter<Path> filter =
new DirectoryStream.Filter<Path>() {
@Override
public boolean accept(Path entry) throws IOException {
return entry.getFileName().toString().endsWith(".jar") && Files.isRegularFile(entry);
}
};
try (DirectoryStream<Path> paths = Files.newDirectoryStream(pluginsDir, filter)) {
return Ordering.natural().sortedCopy(paths);
} catch (IOException e) {
ui.message("WARN: Cannot list %s: %s", pluginsDir.toAbsolutePath(), e.getMessage());
return Collections.emptyList();
}
}