1 files changed, 76 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/project/CommentLinkProvider.java b/java/com/google/gerrit/server/project/CommentLinkProvider.java
new file mode 100644
index 0000000000..4987d0019f
--- /dev/null
+++ b/java/com/google/gerrit/server/project/CommentLinkProvider.java
@@ -0,0 +1,76 @@
+// 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;
+  }
+}