org.projectnessie.tools.admin.cli.ThirdPartyLicenses Maven / Gradle / Ivy
/*
* Copyright (C) 2024 Dremio
*
* 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 org.projectnessie.tools.admin.cli;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.Objects.requireNonNull;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.net.URL;
import java.util.concurrent.Callable;
import picocli.CommandLine;
import picocli.CommandLine.Model.CommandSpec;
@CommandLine.Command(
name = "show-licenses",
mixinStandardHelpOptions = true,
description = "Show 3rd party license information.")
public class ThirdPartyLicenses implements Callable {
@CommandLine.Spec CommandSpec commandSpec;
@Override
public Integer call() {
PrintWriter out = commandSpec.commandLine().getOut();
out.println();
out.println("Nessie 3rd party licenses NOTICE");
out.println();
URL url =
ThirdPartyLicenses.class.getClassLoader().getResource("META-INF/resources/NOTICE.txt");
try (InputStream in =
requireNonNull(url, "NOTICE.txt file missing").openConnection().getInputStream()) {
out.print(new String(in.readAllBytes(), UTF_8));
} catch (IOException e) {
throw new RuntimeException("Failed to load resource " + url, e);
}
return 0;
}
}