com.google.gerrit.server.project.SetParent.java Source code

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Here is the source code for com.google.gerrit.server.project.SetParent.java

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// 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.Strings;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.extensions.restapi.BadRequestException;
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.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;

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(ProjectResource resource, Input input)
            throws AuthException, BadRequestException, ResourceConflictException, Exception {
        ProjectControl ctl = resource.getControl();
        IdentifiedUser user = (IdentifiedUser) ctl.getCurrentUser();
        if (!user.getCapabilities().canAdministrateServer()) {
            throw new AuthException("not administrator");
        }

        try {
            MetaDataUpdate md = updateFactory.create(resource.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(resource.getName());
        } catch (ConfigInvalidException e) {
            throw new ResourceConflictException(String.format("invalid project.config: %s", e.getMessage()));
        }
    }
}