com.google.gerrit.sshd.commands.PluginInstallCommand Maven / Gradle / Ivy
// Copyright (C) 2012 The Android Open Source 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.google.gerrit.sshd.commands;
import static com.google.gerrit.sshd.CommandMetaData.Mode.MASTER_OR_SLAVE;
import com.google.common.base.Strings;
import com.google.gerrit.server.plugins.PluginInstallException;
import com.google.gerrit.sshd.CommandMetaData;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.nio.file.Files;
import org.kohsuke.args4j.Argument;
import org.kohsuke.args4j.Option;
@CommandMetaData(name = "install", description = "Install/Add a plugin", runsAt = MASTER_OR_SLAVE)
final class PluginInstallCommand extends PluginAdminSshCommand {
@Option(
name = "--name",
aliases = {"-n"},
usage = "install under name")
private String name;
@Option(name = "-")
void useInput(@SuppressWarnings("unused") boolean on) {
source = "-";
}
@Argument(index = 0, metaVar = "-|URL", usage = "JAR to load")
private String source;
@SuppressWarnings("resource")
@Override
protected void doRun() throws UnloggedFailure {
if (Strings.isNullOrEmpty(source)) {
throw die("Argument \"-|URL\" is required");
}
if (Strings.isNullOrEmpty(name) && "-".equalsIgnoreCase(source)) {
throw die("--name required when source is stdin");
}
if (Strings.isNullOrEmpty(name)) {
int s = source.lastIndexOf('/');
if (0 <= s) {
name = source.substring(s + 1);
} else {
name = source;
}
}
InputStream data;
if ("-".equalsIgnoreCase(source)) {
data = in;
} else if (new File(source).isFile() && source.equals(new File(source).getAbsolutePath())) {
try {
data = Files.newInputStream(new File(source).toPath());
} catch (IOException e) {
throw die("cannot read " + source, e);
}
} else {
try {
data = new URL(source).openStream();
} catch (MalformedURLException e) {
throw die("invalid url " + source, e);
} catch (IOException e) {
throw die("cannot read " + source, e);
}
}
try {
loader.installPluginFromStream(name, data);
} catch (IOException e) {
throw die("cannot install plugin", e);
} catch (PluginInstallException e) {
e.printStackTrace(stderr);
String msg = String.format("Plugin failed to install. Cause: %s", e.getMessage());
throw die(msg);
} finally {
try {
data.close();
} catch (IOException err) {
// Ignored
}
}
}
}