Files
SCM-Manager/scm-webapp/src/main/java/sonia/scm/cli/RegisteredCommandCollector.java
2022-07-20 09:17:14 +02:00

85 lines
3.1 KiB
Java

/*
* MIT License
*
* Copyright (c) 2020-present Cloudogu GmbH and Contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package sonia.scm.cli;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import sonia.scm.plugin.InstalledPlugin;
import sonia.scm.plugin.PluginLoader;
import sonia.scm.plugin.ScmModule;
import javax.inject.Inject;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;
class RegisteredCommandCollector {
private static final Logger LOG = LoggerFactory.getLogger(RegisteredCommandCollector.class);
private final PluginLoader pluginLoader;
@Inject
public RegisteredCommandCollector(PluginLoader pluginLoader) {
this.pluginLoader = pluginLoader;
}
public Set<RegisteredCommand> collect() {
Set<RegisteredCommand> cmds = new HashSet<>();
findCommands(pluginLoader.getUberClassLoader(), cmds, pluginLoader.getInstalledModules());
findCommands(pluginLoader.getUberClassLoader(), cmds, pluginLoader.getInstalledPlugins().stream().map(InstalledPlugin::getDescriptor).collect(Collectors.toList()));
return Collections.unmodifiableSet(cmds);
}
private void findCommands(ClassLoader classLoader, Set<RegisteredCommand> commands, Iterable<? extends ScmModule> modules) {
modules.forEach(m -> m.getCliCommands().forEach(c -> {
Class<?> command = createCommand(classLoader, c.getClazz());
if (command != null && command != ScmManagerCommand.class) {
commands.add(new RegisteredCommand(c.getName(), command, getParent(command)));
}
}));
}
private Class<?> getParent(Class<?> command) {
ParentCommand parentAnnotation = command.getAnnotation(ParentCommand.class);
if (parentAnnotation != null) {
return parentAnnotation.value();
}
return null;
}
private Class<?> createCommand(ClassLoader classLoader, String clazz) {
try {
return classLoader.loadClass(clazz);
} catch (ClassNotFoundException e) {
LOG.error("Could not find command class: {}", clazz, e);
return null;
}
}
}