| // 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.reviewdb.client.Account; |
| import com.google.gerrit.reviewdb.client.Change; |
| import com.google.gerrit.reviewdb.client.PatchSet; |
| import com.google.gerrit.reviewdb.client.PatchSetInfo; |
| import com.google.gerrit.reviewdb.client.RevId; |
| import com.google.gerrit.reviewdb.client.UserIdentity; |
| import com.google.gerrit.reviewdb.server.ReviewDb; |
| import com.google.gerrit.server.account.AccountByEmailCache; |
| import com.google.gerrit.server.git.GitRepositoryManager; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| |
| import org.eclipse.jgit.errors.MissingObjectException; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.lib.PersonIdent; |
| import org.eclipse.jgit.lib.Repository; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.eclipse.jgit.revwalk.RevWalk; |
| |
| import java.io.IOException; |
| import java.sql.Timestamp; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Set; |
| |
| |
| /** |
| * Factory class creating PatchSetInfo from meta-data found in Git repository. |
| */ |
| @Singleton |
| public class PatchSetInfoFactory { |
| private final GitRepositoryManager repoManager; |
| private final AccountByEmailCache byEmailCache; |
| |
| @Inject |
| public PatchSetInfoFactory(final GitRepositoryManager grm, |
| final AccountByEmailCache byEmailCache) { |
| this.repoManager = grm; |
| this.byEmailCache = byEmailCache; |
| } |
| |
| public PatchSetInfo get(RevCommit src, PatchSet.Id psi) { |
| PatchSetInfo info = new PatchSetInfo(psi); |
| info.setSubject(src.getShortMessage()); |
| info.setMessage(src.getFullMessage()); |
| info.setAuthor(toUserIdentity(src.getAuthorIdent())); |
| info.setCommitter(toUserIdentity(src.getCommitterIdent())); |
| info.setRevId(src.getName()); |
| return info; |
| } |
| |
| public PatchSetInfo get(ReviewDb db, PatchSet.Id patchSetId) |
| throws PatchSetInfoNotAvailableException { |
| try { |
| final PatchSet patchSet = db.patchSets().get(patchSetId); |
| final Change change = db.changes().get(patchSet.getId().getParentKey()); |
| return get(change, patchSet); |
| } catch (OrmException e) { |
| throw new PatchSetInfoNotAvailableException(e); |
| } |
| } |
| |
| public PatchSetInfo get(Change change, PatchSet patchSet) |
| throws PatchSetInfoNotAvailableException { |
| Repository repo; |
| try { |
| repo = repoManager.openRepository(change.getProject()); |
| } catch (IOException e) { |
| throw new PatchSetInfoNotAvailableException(e); |
| } |
| try { |
| final RevWalk rw = new RevWalk(repo); |
| try { |
| final RevCommit src = |
| rw.parseCommit(ObjectId.fromString(patchSet.getRevision().get())); |
| PatchSetInfo info = get(src, patchSet.getId()); |
| info.setParents(toParentInfos(src.getParents(), rw)); |
| return info; |
| } finally { |
| rw.release(); |
| } |
| } catch (IOException e) { |
| throw new PatchSetInfoNotAvailableException(e); |
| } finally { |
| repo.close(); |
| } |
| } |
| |
| private UserIdentity toUserIdentity(final PersonIdent who) { |
| final UserIdentity u = new UserIdentity(); |
| u.setName(who.getName()); |
| u.setEmail(who.getEmailAddress()); |
| u.setDate(new Timestamp(who.getWhen().getTime())); |
| u.setTimeZone(who.getTimeZoneOffset()); |
| |
| // If only one account has access to this email address, select it |
| // as the identity of the user. |
| // |
| final Set<Account.Id> a = byEmailCache.get(u.getEmail()); |
| if (a.size() == 1) { |
| u.setAccount(a.iterator().next()); |
| } |
| |
| return u; |
| } |
| |
| private List<PatchSetInfo.ParentInfo> toParentInfos(final RevCommit[] parents, |
| final RevWalk walk) throws IOException, MissingObjectException { |
| List<PatchSetInfo.ParentInfo> pInfos = |
| new ArrayList<PatchSetInfo.ParentInfo>(parents.length); |
| for (RevCommit parent : parents) { |
| walk.parseBody(parent); |
| RevId rev = new RevId(parent.getId().name()); |
| String msg = parent.getShortMessage(); |
| pInfos.add(new PatchSetInfo.ParentInfo(rev, msg)); |
| } |
| return pInfos; |
| } |
| |
| } |