0bcc60fbe3
path. We just need to verify what we need is on the classpath, and try and handle when it's not, cleanly (by recommending running the installer). The manifest now embeds the correct launch arguments to allow FML to resolve - these were _never_ editable, and belong somewhere out of the way. Signed-off-by: cpw <cpw+github@weeksfamily.ca>
82 lines
3.3 KiB
Java
82 lines
3.3 KiB
Java
/*
|
|
* Minecraft Forge
|
|
* Copyright (c) 2016-2019.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation version 2.1
|
|
* of the License.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
package net.minecraftforge.server;
|
|
|
|
import cpw.mods.modlauncher.InvalidLauncherSetupException;
|
|
import cpw.mods.modlauncher.Launcher;
|
|
|
|
import java.io.File;
|
|
import java.io.IOException;
|
|
import java.net.URISyntaxException;
|
|
import java.net.URL;
|
|
import java.security.CodeSource;
|
|
import java.security.ProtectionDomain;
|
|
import java.util.Optional;
|
|
import java.util.jar.JarFile;
|
|
import java.util.jar.Manifest;
|
|
|
|
public class ServerMain {
|
|
public static void main(String[] args) {
|
|
try {
|
|
Class.forName("cpw.mods.modlauncher.Launcher", false, ClassLoader.getSystemClassLoader());
|
|
Class.forName("net.minecraftforge.forgespi.Environment", false, ClassLoader.getSystemClassLoader());
|
|
} catch (ClassNotFoundException cnfe) {
|
|
System.err.println("FATAL ERROR, You need to run the installer. The libraries required to launch a server are missing");
|
|
System.exit(1);
|
|
}
|
|
|
|
final String launchArgs = Optional.ofNullable(ServerMain.class.getProtectionDomain()).
|
|
map(ProtectionDomain::getCodeSource).
|
|
map(CodeSource::getLocation).
|
|
map(ServerMain::urlToManifest).
|
|
map(Manifest::getMainAttributes).
|
|
map(a -> a.getValue("ServerLaunchArgs")).
|
|
orElseThrow(ServerMain::throwMissingManifest);
|
|
String[] defaultargs = launchArgs.split(" ");
|
|
String[] result = new String[args.length + defaultargs.length];
|
|
System.arraycopy(defaultargs, 0, result, 0, defaultargs.length);
|
|
System.arraycopy(args, 0, result, defaultargs.length, args.length);
|
|
// separate class, so the exception can resolve
|
|
new Runner().runLauncher(result);
|
|
}
|
|
|
|
private static class Runner {
|
|
private void runLauncher(final String[] result) {
|
|
try {
|
|
Launcher.main(result);
|
|
} catch (InvalidLauncherSetupException e) {
|
|
System.err.println("The server is missing critical libraries and cannot load. Please run the installer to correct this");
|
|
System.exit(1);
|
|
}
|
|
}
|
|
}
|
|
private static Manifest urlToManifest(URL url) {
|
|
try {
|
|
return new JarFile(new File(url.toURI())).getManifest();
|
|
} catch (URISyntaxException | IOException e) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
private static RuntimeException throwMissingManifest() {
|
|
System.err.println("This is not being run from a valid JAR file, essential data is missing.");
|
|
return new RuntimeException("Missing the manifest");
|
|
}
|
|
}
|