com.google.gerrit.server.change.ApplyFix.java Source code

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Here is the source code for com.google.gerrit.server.change.ApplyFix.java

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// Copyright (C) 2017 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.change;

import com.google.gerrit.extensions.common.EditInfo;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.extensions.restapi.ResourceConflictException;
import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
import com.google.gerrit.extensions.restapi.Response;
import com.google.gerrit.extensions.restapi.RestModifyView;
import com.google.gerrit.reviewdb.client.PatchSet;
import com.google.gerrit.reviewdb.client.Project;
import com.google.gerrit.server.edit.ChangeEdit;
import com.google.gerrit.server.edit.ChangeEditJson;
import com.google.gerrit.server.edit.ChangeEditModifier;
import com.google.gerrit.server.edit.tree.TreeModification;
import com.google.gerrit.server.fixes.FixReplacementInterpreter;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.gerrit.server.project.InvalidChangeOperationException;
import com.google.gerrit.server.project.ProjectState;
import com.google.gwtorm.server.OrmException;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.io.IOException;
import java.util.List;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Repository;

@Singleton
public class ApplyFix implements RestModifyView<FixResource, Void> {

    private final GitRepositoryManager gitRepositoryManager;
    private final FixReplacementInterpreter fixReplacementInterpreter;
    private final ChangeEditModifier changeEditModifier;
    private final ChangeEditJson changeEditJson;

    @Inject
    public ApplyFix(GitRepositoryManager gitRepositoryManager, FixReplacementInterpreter fixReplacementInterpreter,
            ChangeEditModifier changeEditModifier, ChangeEditJson changeEditJson) {
        this.gitRepositoryManager = gitRepositoryManager;
        this.fixReplacementInterpreter = fixReplacementInterpreter;
        this.changeEditModifier = changeEditModifier;
        this.changeEditJson = changeEditJson;
    }

    @Override
    public Response<EditInfo> apply(FixResource fixResource, Void nothing)
            throws AuthException, OrmException, ResourceConflictException, IOException, ResourceNotFoundException {
        RevisionResource revisionResource = fixResource.getRevisionResource();
        Project.NameKey project = revisionResource.getProject();
        ProjectState projectState = revisionResource.getControl().getProjectControl().getProjectState();
        PatchSet patchSet = revisionResource.getPatchSet();
        ObjectId patchSetCommitId = ObjectId.fromString(patchSet.getRevision().get());

        try (Repository repository = gitRepositoryManager.openRepository(project)) {
            List<TreeModification> treeModifications = fixReplacementInterpreter.toTreeModifications(repository,
                    projectState, patchSetCommitId, fixResource.getFixReplacements());
            ChangeEdit changeEdit = changeEditModifier.combineWithModifiedPatchSetTree(repository,
                    revisionResource.getControl(), patchSet, treeModifications);
            EditInfo editInfo = changeEditJson.toEditInfo(changeEdit, false);
            return Response.ok(editInfo);
        } catch (InvalidChangeOperationException e) {
            throw new ResourceConflictException(e.getMessage());
        }
    }
}