1 files changed, 114 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/restapi/group/GroupsCollection.java b/java/com/google/gerrit/server/restapi/group/GroupsCollection.java
new file mode 100644
index 0000000000..52fe9d0ebf
--- /dev/null
+++ b/java/com/google/gerrit/server/restapi/group/GroupsCollection.java
@@ -0,0 +1,114 @@
+// Copyright (C) 2013 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.restapi.group;
+
+import com.google.common.collect.ListMultimap;
+import com.google.gerrit.common.data.GroupDescription;
+import com.google.gerrit.extensions.registration.DynamicMap;
+import com.google.gerrit.extensions.restapi.AuthException;
+import com.google.gerrit.extensions.restapi.BadRequestException;
+import com.google.gerrit.extensions.restapi.IdString;
+import com.google.gerrit.extensions.restapi.NeedsParams;
+import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
+import com.google.gerrit.extensions.restapi.RestCollection;
+import com.google.gerrit.extensions.restapi.RestView;
+import com.google.gerrit.extensions.restapi.TopLevelResource;
+import com.google.gerrit.server.AnonymousUser;
+import com.google.gerrit.server.CurrentUser;
+import com.google.gerrit.server.account.GroupControl;
+import com.google.gerrit.server.group.GroupResolver;
+import com.google.gerrit.server.group.GroupResource;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+
+public class GroupsCollection
+    implements RestCollection<TopLevelResource, GroupResource>, NeedsParams {
+  private final DynamicMap<RestView<GroupResource>> views;
+  private final Provider<ListGroups> list;
+  private final Provider<QueryGroups> queryGroups;
+  private final GroupControl.Factory groupControlFactory;
+  private final GroupResolver groupResolver;
+  private final Provider<CurrentUser> self;
+
+  private boolean hasQuery2;
+
+  @Inject
+  public GroupsCollection(
+      DynamicMap<RestView<GroupResource>> views,
+      Provider<ListGroups> list,
+      Provider<QueryGroups> queryGroups,
+      GroupControl.Factory groupControlFactory,
+      GroupResolver groupResolver,
+      Provider<CurrentUser> self) {
+    this.views = views;
+    this.list = list;
+    this.queryGroups = queryGroups;
+    this.groupControlFactory = groupControlFactory;
+    this.groupResolver = groupResolver;
+    this.self = self;
+  }
+
+  @Override
+  public void setParams(ListMultimap<String, String> params) throws BadRequestException {
+    if (params.containsKey("query") && params.containsKey("query2")) {
+      throw new BadRequestException("\"query\" and \"query2\" options are mutually exclusive");
+    }
+
+    // The --query2 option is defined in QueryGroups
+    this.hasQuery2 = params.containsKey("query2");
+  }
+
+  @Override
+  public RestView<TopLevelResource> list() throws ResourceNotFoundException, AuthException {
+    final CurrentUser user = self.get();
+    if (user instanceof AnonymousUser) {
+      throw new AuthException("Authentication required");
+    } else if (!(user.isIdentifiedUser())) {
+      throw new ResourceNotFoundException();
+    }
+
+    if (hasQuery2) {
+      return queryGroups.get();
+    }
+
+    return list.get();
+  }
+
+  @Override
+  public GroupResource parse(TopLevelResource parent, IdString id)
+      throws AuthException, ResourceNotFoundException {
+    final CurrentUser user = self.get();
+    if (user instanceof AnonymousUser) {
+      throw new AuthException("Authentication required");
+    } else if (!(user.isIdentifiedUser())) {
+      throw new ResourceNotFoundException(id);
+    }
+
+    GroupDescription.Basic group = groupResolver.parseId(id.get());
+    if (group == null) {
+      throw new ResourceNotFoundException(id.get());
+    }
+    GroupControl ctl = groupControlFactory.controlFor(group);
+    if (!ctl.isVisible()) {
+      throw new ResourceNotFoundException(id);
+    }
+    return new GroupResource(ctl);
+  }
+
+  @Override
+  public DynamicMap<RestView<GroupResource>> views() {
+    return views;
+  }
+}