com.github.robozonky.installer.panels.scripts.ServiceGenerator Maven / Gradle / Ivy
/*
* Copyright 2017 The RoboZonky Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.github.robozonky.installer.panels.scripts;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.util.HashMap;
import java.util.function.Function;
import com.github.robozonky.internal.api.Defaults;
import freemarker.template.TemplateException;
public enum ServiceGenerator implements Function {
SYSTEMD("robozonky-systemd.service"),
UPSTART("robozonky-upstart.conf");
private static final String ID = "robozonky";
private final String filename;
ServiceGenerator(final String filename) {
this.filename = filename;
}
@Override
public File apply(final File execScript) {
try {
final File root = execScript.getParentFile();
final String result = TemplateProcessor.INSTANCE.process(filename + ".ftl", new HashMap() {{
this.put("uid", ID);
this.put("gid", ID);
this.put("pwd", root.getAbsolutePath());
this.put("script", execScript);
}});
final File target = new File(root, filename);
Files.write(target.toPath(), result.getBytes(Defaults.CHARSET));
return target.getAbsoluteFile();
} catch (final IOException | TemplateException e) {
throw new IllegalStateException("Failed creating service.", e);
}
}
}