Inceptum/launcher-cli/src/main/java/io/gitlab/jfronny/inceptum/cli/BaseInstanceCommand.java

62 lines
2.4 KiB
Java

package io.gitlab.jfronny.inceptum.cli;
import gsoncompile.extensions.io.gitlab.jfronny.inceptum.launcher.model.inceptum.InstanceMeta.GC_InstanceMeta;
import io.gitlab.jfronny.inceptum.common.MetaHolder;
import io.gitlab.jfronny.inceptum.common.Utils;
import io.gitlab.jfronny.inceptum.launcher.system.instance.Instance;
import io.gitlab.jfronny.inceptum.launcher.system.instance.InstanceList;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
public abstract class BaseInstanceCommand extends Command {
protected BaseInstanceCommand(String help, String usage, List<String> aliases, List<Command> subCommands) {
super(help, mutateUsage(usage), aliases, subCommands);
}
private static String mutateUsage(String usage) {
StringBuilder sb = new StringBuilder();
for (String s : usage.split("\n")) {
if (s.isBlank())
sb.append("\n<instance>");
else
sb.append("\n<instance> ").append(s);
}
return sb.substring(1);
}
@Override
protected void invoke(CommandArgs args) throws Exception {
if (args.length == 0) {
Utils.LOGGER.error("You must specify an instance to commit in");
return;
}
Instance instance;
Path normalPath = Path.of(args[0]);
if (Files.exists(normalPath.resolve(InstanceList.INSTANCE_CONFIG_NAME))) {
instance = new Instance(normalPath, GC_InstanceMeta.read(normalPath.resolve(InstanceList.INSTANCE_CONFIG_NAME)));
} else {
Path instancePath = MetaHolder.INSTANCE_DIR.resolve(args[0]).normalize();
if (!instancePath.startsWith(MetaHolder.INSTANCE_DIR)) {
Utils.LOGGER.error("Specified instance path doesn't exist");
return;
}
if (!Files.exists(instancePath)) {
Utils.LOGGER.error("Invalid instance: \"" + args[0] + "\"");
return;
}
try {
instance = InstanceList.read(instancePath);
} catch (IOException e) {
Utils.LOGGER.error("Could not read instance metadata", e);
return;
}
}
invoke(args.subArgs(), instance);
}
protected abstract void invoke(CommandArgs args, Instance instance) throws Exception;
}