com.google.gerrit.server.patch.PatchSetInfoFactory Maven / Gradle / Ivy
// Copyright (C) 2009 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.patch;
import com.google.gerrit.entities.PatchSet;
import com.google.gerrit.entities.PatchSetInfo;
import com.google.gerrit.entities.Project;
import com.google.gerrit.exceptions.StorageException;
import com.google.gerrit.server.PatchSetUtil;
import com.google.gerrit.server.account.Emails;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.gerrit.server.notedb.ChangeNotes;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jgit.errors.MissingObjectException;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.revwalk.RevWalk;
/** Factory class creating PatchSetInfo from meta-data found in Git repository. */
@Singleton
public class PatchSetInfoFactory {
private final GitRepositoryManager repoManager;
private final PatchSetUtil psUtil;
private final Emails emails;
@Inject
public PatchSetInfoFactory(GitRepositoryManager repoManager, PatchSetUtil psUtil, Emails emails) {
this.repoManager = repoManager;
this.psUtil = psUtil;
this.emails = emails;
}
public PatchSetInfo get(RevWalk rw, RevCommit src, PatchSet.Id psi) throws IOException {
rw.parseBody(src);
PatchSetInfo info = new PatchSetInfo(psi);
info.setSubject(src.getShortMessage());
info.setMessage(src.getFullMessage());
info.setAuthor(emails.toUserIdentity(src.getAuthorIdent()));
info.setCommitter(emails.toUserIdentity(src.getCommitterIdent()));
info.setCommitId(src);
return info;
}
public PatchSetInfo get(ChangeNotes notes, PatchSet.Id psId)
throws PatchSetInfoNotAvailableException {
try {
PatchSet patchSet = psUtil.get(notes, psId);
return get(notes.getProjectName(), patchSet);
} catch (StorageException e) {
throw new PatchSetInfoNotAvailableException(e);
}
}
public PatchSetInfo get(Project.NameKey project, PatchSet patchSet)
throws PatchSetInfoNotAvailableException {
try (Repository repo = repoManager.openRepository(project);
RevWalk rw = new RevWalk(repo)) {
RevCommit src = rw.parseCommit(patchSet.commitId());
PatchSetInfo info = get(rw, src, patchSet.id());
info.setParents(toParentInfos(src.getParents(), rw));
return info;
} catch (IOException | StorageException e) {
throw new PatchSetInfoNotAvailableException(e);
}
}
private List toParentInfos(RevCommit[] parents, RevWalk walk)
throws IOException, MissingObjectException {
List pInfos = new ArrayList<>(parents.length);
for (RevCommit parent : parents) {
walk.parseBody(parent);
String msg = parent.getShortMessage();
pInfos.add(new PatchSetInfo.ParentInfo(parent, msg));
}
return pInfos;
}
}