com.google.gerrit.server.plugins.ServerPluginInfoModule Maven / Gradle / Ivy
// Copyright (C) 2015 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.MoreObjects;
import com.google.gerrit.extensions.annotations.PluginCanonicalWebUrl;
import com.google.gerrit.extensions.annotations.PluginData;
import com.google.gerrit.extensions.annotations.PluginName;
import com.google.gerrit.lifecycle.LifecycleModule;
import com.google.gerrit.metrics.MetricMaker;
import com.google.gerrit.server.PluginUser;
import com.google.inject.AbstractModule;
import com.google.inject.Provides;
import com.google.inject.ProvisionException;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
class ServerPluginInfoModule extends AbstractModule {
private final ServerPlugin plugin;
private final Path dataDir;
private volatile boolean ready;
private final MetricMaker serverMetrics;
ServerPluginInfoModule(ServerPlugin plugin, MetricMaker serverMetrics) {
this.plugin = plugin;
this.dataDir = plugin.getDataDir();
this.serverMetrics = serverMetrics;
}
@Override
protected void configure() {
bind(PluginUser.class).toInstance(plugin.getPluginUser());
bind(String.class).annotatedWith(PluginName.class).toInstance(plugin.getName());
bind(String.class)
.annotatedWith(PluginCanonicalWebUrl.class)
.toInstance(plugin.getPluginCanonicalWebUrl());
install(
new LifecycleModule() {
@Override
public void configure() {
PluginMetricMaker metrics =
new PluginMetricMaker(
serverMetrics,
MoreObjects.firstNonNull(
plugin.getMetricsPrefix(), String.format("plugins/%s/", plugin.getName())));
bind(MetricMaker.class).toInstance(metrics);
listener().toInstance(metrics);
}
});
}
@Provides
@PluginData
Path getPluginData() {
if (!ready) {
synchronized (dataDir) {
if (!ready) {
try {
Files.createDirectories(dataDir);
} catch (IOException e) {
throw new ProvisionException(
String.format(
"Cannot create %s for plugin %s", dataDir.toAbsolutePath(), plugin.getName()),
e);
}
ready = true;
}
}
}
return dataDir;
}
@Provides
@PluginData
File getPluginDataAsFile(@PluginData Path pluginData) {
return pluginData.toFile();
}
}