com.google.gerrit.server.plugins.ReloadPlugin 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.server.plugins;
import com.google.common.collect.ImmutableList;
import com.google.gerrit.common.data.GlobalCapability;
import com.google.gerrit.extensions.annotations.RequiresCapability;
import com.google.gerrit.extensions.common.Input;
import com.google.gerrit.extensions.common.PluginInfo;
import com.google.gerrit.extensions.restapi.ResourceConflictException;
import com.google.gerrit.extensions.restapi.RestModifyView;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.io.PrintWriter;
import java.io.StringWriter;
@RequiresCapability(GlobalCapability.ADMINISTRATE_SERVER)
@Singleton
public class ReloadPlugin implements RestModifyView {
private final PluginLoader loader;
@Inject
ReloadPlugin(PluginLoader loader) {
this.loader = loader;
}
@Override
public PluginInfo apply(PluginResource resource, Input input) throws ResourceConflictException {
String name = resource.getName();
try {
loader.reload(ImmutableList.of(name));
} catch (InvalidPluginException e) {
throw new ResourceConflictException(e.getMessage());
} catch (PluginInstallException e) {
StringWriter buf = new StringWriter();
buf.write(String.format("cannot reload %s\n", name));
PrintWriter pw = new PrintWriter(buf);
e.printStackTrace(pw);
pw.flush();
throw new ResourceConflictException(buf.toString());
}
return ListPlugins.toPluginInfo(loader.get(name));
}
}