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// 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.project;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.google.common.collect.Multimap;
import com.google.common.flogger.FluentLogger;
import com.google.gerrit.extensions.api.projects.CommentLinkInfo;
import com.google.gerrit.server.config.ConfigUpdatedEvent;
import com.google.gerrit.server.config.ConfigUpdatedEvent.ConfigUpdateEntry;
import com.google.gerrit.server.config.ConfigUpdatedEvent.UpdateResult;
import com.google.gerrit.server.config.GerritConfigListener;
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import java.util.List;
import java.util.Set;
import org.eclipse.jgit.lib.Config;
@Singleton
public class CommentLinkProvider implements Provider<List<CommentLinkInfo>>, GerritConfigListener {
private static final FluentLogger logger = FluentLogger.forEnclosingClass();
private volatile List<CommentLinkInfo> commentLinks;
@Inject
CommentLinkProvider(@GerritServerConfig Config cfg) {
this.commentLinks = parseConfig(cfg);
}
private List<CommentLinkInfo> parseConfig(Config cfg) {
Set<String> subsections = cfg.getSubsections(ProjectConfig.COMMENTLINK);
List<CommentLinkInfo> cls = Lists.newArrayListWithCapacity(subsections.size());
for (String name : subsections) {
try {
CommentLinkInfoImpl cl = ProjectConfig.buildCommentLink(cfg, name, true);
if (cl.isOverrideOnly()) {
logger.atWarning().log("commentlink %s empty except for \"enabled\"", name);
continue;
}
cls.add(cl);
} catch (IllegalArgumentException e) {
logger.atWarning().log("invalid commentlink: %s", e.getMessage());
}
}
return ImmutableList.copyOf(cls);
}
@Override
public List<CommentLinkInfo> get() {
return commentLinks;
}
@Override
public Multimap<UpdateResult, ConfigUpdateEntry> configUpdated(ConfigUpdatedEvent event) {
if (event.isSectionUpdated(ProjectConfig.COMMENTLINK)) {
commentLinks = parseConfig(event.getNewConfig());
return event.accept(ProjectConfig.COMMENTLINK);
}
return ConfigUpdatedEvent.NO_UPDATES;
}
}
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