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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you 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.elasticsearch.plugins;
import java.io.IOException;
import java.nio.file.DirectoryStream;
import java.nio.file.Files;
import java.nio.file.Path;
import org.elasticsearch.common.cli.CliTool;
import org.elasticsearch.common.cli.Terminal;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.env.Environment;
/**
* A command for the plugin cli to list plugins installed in elasticsearch.
*/
class ListPluginsCommand extends CliTool.Command {
ListPluginsCommand(Terminal terminal) {
super(terminal);
}
@Override
public CliTool.ExitStatus execute(Settings settings, Environment env) throws Exception {
if (Files.exists(env.pluginsFile()) == false) {
throw new IOException("Plugins directory missing: " + env.pluginsFile());
}
terminal.println(Terminal.Verbosity.VERBOSE, "Plugins directory: " + env.pluginsFile());
try (DirectoryStream<Path> stream = Files.newDirectoryStream(env.pluginsFile())) {
for (Path plugin : stream) {
terminal.println(plugin.getFileName().toString());
}
}
return CliTool.ExitStatus.OK;
}
}
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