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

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

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// Copyright (C) 2014 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.Function;
import com.google.common.collect.Lists;
import com.google.gerrit.common.errors.PermissionDeniedException;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.extensions.restapi.ResourceConflictException;
import com.google.gerrit.extensions.restapi.RestModifyView;
import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
import com.google.gerrit.server.git.BanCommitResult;
import com.google.gerrit.server.project.BanCommit.Input;
import com.google.inject.Inject;
import com.google.inject.Singleton;

import org.eclipse.jgit.api.errors.ConcurrentRefUpdateException;
import org.eclipse.jgit.lib.ObjectId;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

@Singleton
public class BanCommit implements RestModifyView<ProjectResource, Input> {
    public static class Input {
        public List<String> commits;
        public String reason;

        public static Input fromCommits(String firstCommit, String... moreCommits) {
            return fromCommits(Lists.asList(firstCommit, moreCommits));
        }

        public static Input fromCommits(List<String> commits) {
            Input in = new Input();
            in.commits = commits;
            return in;
        }
    }

    private final com.google.gerrit.server.git.BanCommit banCommit;

    @Inject
    BanCommit(com.google.gerrit.server.git.BanCommit banCommit) {
        this.banCommit = banCommit;
    }

    @Override
    public BanResultInfo apply(ProjectResource rsrc, Input input) throws UnprocessableEntityException,
            AuthException, ResourceConflictException, IOException, InterruptedException {
        BanResultInfo r = new BanResultInfo();
        if (input != null && input.commits != null && !input.commits.isEmpty()) {
            List<ObjectId> commitsToBan = new ArrayList<>(input.commits.size());
            for (String c : input.commits) {
                try {
                    commitsToBan.add(ObjectId.fromString(c));
                } catch (IllegalArgumentException e) {
                    throw new UnprocessableEntityException(e.getMessage());
                }
            }

            try {
                BanCommitResult result = banCommit.ban(rsrc.getControl(), commitsToBan, input.reason);
                r.newlyBanned = transformCommits(result.getNewlyBannedCommits());
                r.alreadyBanned = transformCommits(result.getAlreadyBannedCommits());
                r.ignored = transformCommits(result.getIgnoredObjectIds());
            } catch (PermissionDeniedException e) {
                throw new AuthException(e.getMessage());
            } catch (ConcurrentRefUpdateException e) {
                throw new ResourceConflictException(e.getMessage(), e);
            }
        }
        return r;
    }

    private static List<String> transformCommits(List<ObjectId> commits) {
        if (commits == null || commits.isEmpty()) {
            return null;
        }

        return Lists.transform(commits, new Function<ObjectId, String>() {
            @Override
            public String apply(ObjectId id) {
                return id.getName();
            }
        });
    }

    public static class BanResultInfo {
        public List<String> newlyBanned;
        public List<String> alreadyBanned;
        public List<String> ignored;
    }
}