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

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

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// 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.project;

import com.google.gerrit.common.data.GlobalCapability;
import com.google.gerrit.extensions.annotations.RequiresCapability;
import com.google.gerrit.extensions.restapi.ResourceConflictException;
import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
import com.google.gerrit.extensions.restapi.RestReadView;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.inject.Inject;
import com.google.inject.Singleton;

import org.eclipse.jgit.api.GarbageCollectCommand;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.eclipse.jgit.api.errors.JGitInternalException;
import org.eclipse.jgit.lib.Repository;

import java.io.IOException;

@RequiresCapability(GlobalCapability.RUN_GC)
@Singleton
public class GetStatistics implements RestReadView<ProjectResource> {

    private final GitRepositoryManager repoManager;

    @Inject
    GetStatistics(GitRepositoryManager repoManager) {
        this.repoManager = repoManager;
    }

    @Override
    public RepositoryStatistics apply(ProjectResource rsrc)
            throws ResourceNotFoundException, ResourceConflictException {
        try (Repository repo = repoManager.openRepository(rsrc.getNameKey())) {
            GarbageCollectCommand gc = Git.wrap(repo).gc();
            return new RepositoryStatistics(gc.getStatistics());
        } catch (GitAPIException | JGitInternalException e) {
            throw new ResourceConflictException(e.getMessage());
        } catch (IOException e) {
            throw new ResourceNotFoundException(rsrc.getName());
        }
    }
}