| // Copyright (C) 2024 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.config; |
| |
| import static com.google.common.collect.ImmutableList.toImmutableList; |
| import static com.google.common.collect.ImmutableMap.toImmutableMap; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.gerrit.extensions.common.ExperimentInfo; |
| import com.google.gerrit.extensions.restapi.AuthException; |
| import com.google.gerrit.extensions.restapi.Response; |
| import com.google.gerrit.extensions.restapi.RestReadView; |
| import com.google.gerrit.server.config.ConfigResource; |
| import com.google.gerrit.server.experiments.ExperimentFeatures; |
| import com.google.gerrit.server.experiments.ExperimentFeaturesConstants; |
| import com.google.gerrit.server.permissions.GlobalPermission; |
| import com.google.gerrit.server.permissions.PermissionBackend; |
| import com.google.gerrit.server.permissions.PermissionBackendException; |
| import com.google.inject.Inject; |
| import java.util.Arrays; |
| import java.util.Objects; |
| import java.util.function.Function; |
| import org.kohsuke.args4j.Option; |
| |
| /** List capabilities visible to the calling user. */ |
| public class ListExperiments implements RestReadView<ConfigResource> { |
| public static ImmutableList<String> getExperiments() { |
| return Arrays.stream(ExperimentFeaturesConstants.class.getDeclaredFields()) |
| .filter(field -> field.getType().equals(String.class)) |
| .map( |
| field -> { |
| try { |
| return (String) field.get(null); |
| } catch (IllegalAccessException e) { |
| return null; |
| } |
| }) |
| .filter(Objects::nonNull) |
| .sorted() |
| .collect(toImmutableList()); |
| } |
| |
| private final PermissionBackend permissionBackend; |
| private final ExperimentFeatures experimentFeatures; |
| private final GetExperiment getExperiment; |
| |
| private boolean enabledOnly; |
| |
| @Option(name = "--enabled-only", usage = "only return enabled experiments") |
| public void setEnabledOnly(boolean enabledOnly) { |
| this.enabledOnly = enabledOnly; |
| } |
| |
| @Inject |
| public ListExperiments( |
| PermissionBackend permissionBackend, |
| ExperimentFeatures experimentFeatures, |
| GetExperiment getExperiment) { |
| this.permissionBackend = permissionBackend; |
| this.experimentFeatures = experimentFeatures; |
| this.getExperiment = getExperiment; |
| } |
| |
| @Override |
| public Response<ImmutableMap<String, ExperimentInfo>> apply(ConfigResource resource) |
| throws AuthException, PermissionBackendException { |
| permissionBackend.currentUser().check(GlobalPermission.ADMINISTRATE_SERVER); |
| return Response.ok( |
| getExperiments().stream() |
| .filter( |
| experimentName -> |
| !enabledOnly || experimentFeatures.isFeatureEnabled(experimentName)) |
| .collect(toImmutableMap(Function.identity(), getExperiment::getExperimentInfo))); |
| } |
| } |