| // 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.extensions.webui; |
| |
| import com.google.common.base.Function; |
| import com.google.common.base.Predicate; |
| import com.google.common.base.Predicates; |
| import com.google.common.collect.Iterables; |
| import com.google.gerrit.common.Nullable; |
| import com.google.gerrit.extensions.registration.DynamicMap; |
| import com.google.gerrit.extensions.restapi.AuthException; |
| import com.google.gerrit.extensions.restapi.RestCollection; |
| import com.google.gerrit.extensions.restapi.RestResource; |
| import com.google.gerrit.extensions.restapi.RestView; |
| import com.google.gerrit.extensions.webui.PrivateInternals_UiActionDescription; |
| import com.google.gerrit.extensions.webui.UiAction; |
| import com.google.gerrit.server.CurrentUser; |
| import com.google.gerrit.server.account.CapabilityUtils; |
| import com.google.inject.Provider; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class UiActions { |
| private static final Logger log = LoggerFactory.getLogger(UiActions.class); |
| |
| public static Predicate<UiAction.Description> enabled() { |
| return new Predicate<UiAction.Description>() { |
| @Override |
| public boolean apply(UiAction.Description input) { |
| return input.isEnabled(); |
| } |
| }; |
| } |
| |
| public static <R extends RestResource> Iterable<UiAction.Description> from( |
| RestCollection<?, R> collection, |
| R resource, |
| Provider<CurrentUser> userProvider) { |
| return from(collection.views(), resource, userProvider); |
| } |
| |
| public static <R extends RestResource> Iterable<UiAction.Description> from( |
| DynamicMap<RestView<R>> views, |
| final R resource, |
| final Provider<CurrentUser> userProvider) { |
| return Iterables.filter( |
| Iterables.transform( |
| views, |
| new Function<DynamicMap.Entry<RestView<R>>, UiAction.Description> () { |
| @Override |
| @Nullable |
| public UiAction.Description apply(DynamicMap.Entry<RestView<R>> e) { |
| int d = e.getExportName().indexOf('.'); |
| if (d < 0) { |
| return null; |
| } |
| |
| RestView<R> view; |
| try { |
| view = e.getProvider().get(); |
| } catch (RuntimeException err) { |
| log.error(String.format( |
| "error creating view %s.%s", |
| e.getPluginName(), e.getExportName()), err); |
| return null; |
| } |
| |
| if (!(view instanceof UiAction)) { |
| return null; |
| } |
| |
| try { |
| CapabilityUtils.checkRequiresCapability(userProvider, |
| e.getPluginName(), view.getClass()); |
| } catch (AuthException exc) { |
| return null; |
| } |
| |
| UiAction.Description dsc = |
| ((UiAction<R>) view).getDescription(resource); |
| if (dsc == null || !dsc.isVisible()) { |
| return null; |
| } |
| |
| String name = e.getExportName().substring(d + 1); |
| PrivateInternals_UiActionDescription.setMethod( |
| dsc, |
| e.getExportName().substring(0, d)); |
| PrivateInternals_UiActionDescription.setId( |
| dsc, |
| "gerrit".equals(e.getPluginName()) |
| ? name |
| : e.getPluginName() + '~' + name); |
| return dsc; |
| } |
| }), |
| Predicates.notNull()); |
| } |
| |
| private UiActions() { |
| } |
| } |