// 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 projects visible to the calling user. */
public class ListPlugins {
private final PluginLoader pluginLoader;
@Option(name = "--format", metaVar = "FMT", usage = "Output display format")
private OutputFormat format = OutputFormat.TEXT;
@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());
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\n", "Name", "Version");
stdout
.print("----------------------------------------------------------------------\n");
}
for (Plugin p : plugins) {
PluginInfo info = new PluginInfo();
info.version = p.getVersion();
if (format.isJson()) {
output.put(p.getName(), info);
} else {
stdout.format("%-30s %-10s\n", p.getName(),
Strings.nullToEmpty(info.version));
}
}
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;
}
}