| // 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.server.plugins; |
| |
| import com.google.common.base.Strings; |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Maps; |
| import com.google.gerrit.server.OutputFormat; |
| import com.google.gson.reflect.TypeToken; |
| import com.google.inject.Inject; |
| |
| import org.kohsuke.args4j.Option; |
| |
| import java.io.BufferedWriter; |
| import java.io.OutputStream; |
| import java.io.OutputStreamWriter; |
| import java.io.PrintWriter; |
| import java.io.UnsupportedEncodingException; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** List the installed plugins. */ |
| public class ListPlugins { |
| private final PluginLoader pluginLoader; |
| |
| @Option(name = "--format", metaVar = "FMT", usage = "Output display format") |
| private OutputFormat format = OutputFormat.TEXT; |
| |
| @Option(name = "--all", aliases = {"-a"}, usage = "List all plugins, including disabled plugins") |
| private boolean all; |
| |
| @Inject |
| protected ListPlugins(PluginLoader pluginLoader) { |
| this.pluginLoader = pluginLoader; |
| } |
| |
| public OutputFormat getFormat() { |
| return format; |
| } |
| |
| public ListPlugins setFormat(OutputFormat fmt) { |
| this.format = fmt; |
| return this; |
| } |
| |
| public void display(OutputStream out) { |
| final PrintWriter stdout; |
| try { |
| stdout = |
| new PrintWriter(new BufferedWriter(new OutputStreamWriter(out, |
| "UTF-8"))); |
| } catch (UnsupportedEncodingException e) { |
| // Our encoding is required by the specifications for the runtime. |
| throw new RuntimeException("JVM lacks UTF-8 encoding", e); |
| } |
| |
| Map<String, PluginInfo> output = Maps.newTreeMap(); |
| |
| List<Plugin> plugins = Lists.newArrayList(pluginLoader.getPlugins(all)); |
| Collections.sort(plugins, new Comparator<Plugin>() { |
| @Override |
| public int compare(Plugin a, Plugin b) { |
| return a.getName().compareTo(b.getName()); |
| } |
| }); |
| |
| if (!format.isJson()) { |
| stdout.format("%-30s %-10s %-8s\n", "Name", "Version", "Status"); |
| stdout |
| .print("-------------------------------------------------------------------------------\n"); |
| } |
| |
| for (Plugin p : plugins) { |
| PluginInfo info = new PluginInfo(); |
| info.version = p.getVersion(); |
| info.disabled = p.isDisabled() ? true : null; |
| |
| if (format.isJson()) { |
| output.put(p.getName(), info); |
| } else { |
| stdout.format("%-30s %-10s %-8s\n", p.getName(), |
| Strings.nullToEmpty(info.version), |
| p.isDisabled() ? "DISABLED" : "ENABLED"); |
| } |
| } |
| |
| if (format.isJson()) { |
| format.newGson().toJson(output, |
| new TypeToken<Map<String, PluginInfo>>() {}.getType(), stdout); |
| stdout.print('\n'); |
| } |
| stdout.flush(); |
| } |
| |
| private static class PluginInfo { |
| String version; |
| // disabled is only read via reflection when building the json output. We |
| // do not want to show a compiler error that it isn't used. |
| @SuppressWarnings("unused") |
| Boolean disabled; |
| } |
| } |