| // 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.base.Objects; |
| import com.google.common.base.Predicate; |
| import com.google.common.base.Strings; |
| import com.google.common.collect.Iterables; |
| import com.google.gerrit.extensions.restapi.AuthException; |
| import com.google.gerrit.extensions.restapi.DefaultInput; |
| import com.google.gerrit.extensions.restapi.ResourceConflictException; |
| import com.google.gerrit.extensions.restapi.ResourceNotFoundException; |
| import com.google.gerrit.extensions.restapi.RestModifyView; |
| import com.google.gerrit.extensions.restapi.UnprocessableEntityException; |
| import com.google.gerrit.reviewdb.client.Project; |
| import com.google.gerrit.server.IdentifiedUser; |
| import com.google.gerrit.server.config.AllProjectsName; |
| import com.google.gerrit.server.git.MetaDataUpdate; |
| import com.google.gerrit.server.git.ProjectConfig; |
| import com.google.gerrit.server.project.SetParent.Input; |
| import com.google.inject.Inject; |
| |
| import org.eclipse.jgit.errors.ConfigInvalidException; |
| import org.eclipse.jgit.errors.RepositoryNotFoundException; |
| |
| import java.io.IOException; |
| |
| public class SetParent implements RestModifyView<ProjectResource, Input> { |
| static class Input { |
| @DefaultInput |
| String parent; |
| String commitMessage; |
| } |
| |
| private final ProjectCache cache; |
| private final MetaDataUpdate.Server updateFactory; |
| private final AllProjectsName allProjects; |
| |
| @Inject |
| SetParent(ProjectCache cache, |
| MetaDataUpdate.Server updateFactory, |
| AllProjectsName allProjects) { |
| this.cache = cache; |
| this.updateFactory = updateFactory; |
| this.allProjects = allProjects; |
| } |
| |
| @Override |
| public String apply(final ProjectResource rsrc, Input input) |
| throws AuthException, ResourceConflictException, |
| ResourceNotFoundException, UnprocessableEntityException, IOException { |
| ProjectControl ctl = rsrc.getControl(); |
| validateParentUpdate(ctl, input.parent, true); |
| IdentifiedUser user = (IdentifiedUser) ctl.getCurrentUser(); |
| try { |
| MetaDataUpdate md = updateFactory.create(rsrc.getNameKey()); |
| try { |
| ProjectConfig config = ProjectConfig.read(md); |
| Project project = config.getProject(); |
| project.setParentName(Strings.emptyToNull(input.parent)); |
| |
| String msg = Strings.emptyToNull(input.commitMessage); |
| if (msg == null) { |
| msg = String.format( |
| "Changed parent to %s.\n", |
| Objects.firstNonNull(project.getParentName(), allProjects.get())); |
| } else if (!msg.endsWith("\n")) { |
| msg += "\n"; |
| } |
| md.setAuthor(user); |
| md.setMessage(msg); |
| config.commit(md); |
| cache.evict(ctl.getProject()); |
| |
| Project.NameKey parentName = project.getParent(allProjects); |
| return parentName != null ? parentName.get() : ""; |
| } finally { |
| md.close(); |
| } |
| } catch (RepositoryNotFoundException notFound) { |
| throw new ResourceNotFoundException(rsrc.getName()); |
| } catch (ConfigInvalidException e) { |
| throw new ResourceConflictException(String.format( |
| "invalid project.config: %s", e.getMessage())); |
| } |
| } |
| |
| public void validateParentUpdate(final ProjectControl ctl, String newParent, |
| boolean checkIfAdmin) throws AuthException, ResourceConflictException, |
| UnprocessableEntityException { |
| IdentifiedUser user = (IdentifiedUser) ctl.getCurrentUser(); |
| if (checkIfAdmin && !user.getCapabilities().canAdministrateServer()) { |
| throw new AuthException("not administrator"); |
| } |
| |
| if (ctl.getProject().getNameKey().equals(allProjects)) { |
| throw new ResourceConflictException("cannot set parent of " |
| + allProjects.get()); |
| } |
| |
| newParent = Strings.emptyToNull(newParent); |
| if (newParent != null) { |
| ProjectState parent = cache.get(new Project.NameKey(newParent)); |
| if (parent == null) { |
| throw new UnprocessableEntityException("parent project " + newParent |
| + " not found"); |
| } |
| |
| if (Iterables.tryFind(parent.tree(), new Predicate<ProjectState>() { |
| @Override |
| public boolean apply(ProjectState input) { |
| return input.getProject().getNameKey() |
| .equals(ctl.getProject().getNameKey()); |
| } |
| }).isPresent()) { |
| throw new ResourceConflictException("cycle exists between " |
| + ctl.getProject().getName() + " and " |
| + parent.getProject().getName()); |
| } |
| } |
| } |
| } |