Java tutorial
// Copyright (C) 2011 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.changedetail; import static com.google.gerrit.server.mail.MailUtil.getRecipientsFromApprovals; import static com.google.gerrit.server.mail.MailUtil.getRecipientsFromFooters; import com.google.gerrit.common.ChangeHooks; import com.google.gerrit.common.data.LabelTypes; import com.google.gerrit.common.data.ReviewResult; import com.google.gerrit.reviewdb.client.Account; import com.google.gerrit.reviewdb.client.Change; import com.google.gerrit.reviewdb.client.ChangeMessage; import com.google.gerrit.reviewdb.client.PatchSet; import com.google.gerrit.reviewdb.client.PatchSetApproval; import com.google.gerrit.reviewdb.client.PatchSetInfo; import com.google.gerrit.reviewdb.server.ReviewDb; import com.google.gerrit.server.ApprovalsUtil; import com.google.gerrit.server.ChangeUtil; import com.google.gerrit.server.IdentifiedUser; import com.google.gerrit.server.account.AccountResolver; import com.google.gerrit.server.git.GitRepositoryManager; import com.google.gerrit.server.index.ChangeIndexer; import com.google.gerrit.server.mail.CreateChangeSender; import com.google.gerrit.server.mail.MailUtil.MailRecipients; import com.google.gerrit.server.mail.ReplacePatchSetSender; import com.google.gerrit.server.patch.PatchSetInfoFactory; import com.google.gerrit.server.patch.PatchSetInfoNotAvailableException; import com.google.gerrit.server.project.ChangeControl; import com.google.gerrit.server.project.NoSuchChangeException; import com.google.gerrit.server.util.RequestScopePropagator; import com.google.gwtorm.server.AtomicUpdate; import com.google.gwtorm.server.OrmException; import com.google.inject.Inject; import com.google.inject.assistedinject.Assisted; import org.eclipse.jgit.lib.ObjectId; import org.eclipse.jgit.lib.Repository; import org.eclipse.jgit.revwalk.FooterLine; import org.eclipse.jgit.revwalk.RevCommit; import org.eclipse.jgit.revwalk.RevWalk; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.IOException; import java.util.Collections; import java.util.List; import java.util.concurrent.Callable; public class PublishDraft implements Callable<ReviewResult> { private static final Logger log = LoggerFactory.getLogger(PublishDraft.class); public interface Factory { PublishDraft create(PatchSet.Id patchSetId); } private final ChangeControl.Factory changeControlFactory; private final ReviewDb db; private final ChangeHooks hooks; private final GitRepositoryManager repoManager; private final PatchSetInfoFactory patchSetInfoFactory; private final ApprovalsUtil approvalsUtil; private final AccountResolver accountResolver; private final CreateChangeSender.Factory createChangeSenderFactory; private final ReplacePatchSetSender.Factory replacePatchSetFactory; private final ChangeIndexer indexer; private final RequestScopePropagator requestScopePropagator; private final PatchSet.Id patchSetId; @Inject PublishDraft(final ChangeControl.Factory changeControlFactory, final ReviewDb db, final ChangeHooks hooks, final GitRepositoryManager repoManager, final PatchSetInfoFactory patchSetInfoFactory, final ApprovalsUtil approvalsUtil, final AccountResolver accountResolver, final CreateChangeSender.Factory createChangeSenderFactory, final ReplacePatchSetSender.Factory replacePatchSetFactory, final ChangeIndexer indexer, final RequestScopePropagator requestScopePropagator, @Assisted final PatchSet.Id patchSetId) { this.changeControlFactory = changeControlFactory; this.db = db; this.hooks = hooks; this.repoManager = repoManager; this.patchSetInfoFactory = patchSetInfoFactory; this.approvalsUtil = approvalsUtil; this.accountResolver = accountResolver; this.createChangeSenderFactory = createChangeSenderFactory; this.replacePatchSetFactory = replacePatchSetFactory; this.indexer = indexer; this.requestScopePropagator = requestScopePropagator; this.patchSetId = patchSetId; } @Override public ReviewResult call() throws NoSuchChangeException, OrmException, IOException, PatchSetInfoNotAvailableException { final ReviewResult result = new ReviewResult(); final Change.Id changeId = patchSetId.getParentKey(); result.setChangeId(changeId); final ChangeControl control = changeControlFactory.validateFor(changeId); final LabelTypes labelTypes = control.getLabelTypes(); final PatchSet patch = db.patchSets().get(patchSetId); if (patch == null) { throw new NoSuchChangeException(changeId); } if (!patch.isDraft()) { result.addError(new ReviewResult.Error(ReviewResult.Error.Type.NOT_A_DRAFT)); return result; } if (!control.canPublish(db)) { result.addError(new ReviewResult.Error(ReviewResult.Error.Type.PUBLISH_NOT_PERMITTED)); } else { final PatchSet updatedPatchSet = db.patchSets().atomicUpdate(patchSetId, new AtomicUpdate<PatchSet>() { @Override public PatchSet update(PatchSet patchset) { patchset.setDraft(false); return patchset; } }); final Change updatedChange = db.changes().atomicUpdate(changeId, new AtomicUpdate<Change>() { @Override public Change update(Change change) { if (change.getStatus() == Change.Status.DRAFT) { change.setStatus(Change.Status.NEW); ChangeUtil.updated(change); } return change; } }); if (!updatedPatchSet.isDraft() || updatedChange.getStatus() == Change.Status.NEW) { indexer.index(updatedChange, requestScopePropagator); hooks.doDraftPublishedHook(updatedChange, updatedPatchSet, db); sendNotifications(control.getChange().getStatus() == Change.Status.DRAFT, (IdentifiedUser) control.getCurrentUser(), updatedChange, updatedPatchSet, labelTypes); } } return result; } private void sendNotifications(final boolean newChange, final IdentifiedUser currentUser, final Change updatedChange, final PatchSet updatedPatchSet, final LabelTypes labelTypes) throws OrmException, IOException, PatchSetInfoNotAvailableException { final Repository git = repoManager.openRepository(updatedChange.getProject()); try { final RevWalk revWalk = new RevWalk(git); final RevCommit commit; try { commit = revWalk.parseCommit(ObjectId.fromString(updatedPatchSet.getRevision().get())); } finally { revWalk.release(); } final PatchSetInfo info = patchSetInfoFactory.get(commit, updatedPatchSet.getId()); final List<FooterLine> footerLines = commit.getFooterLines(); final Account.Id me = currentUser.getAccountId(); final MailRecipients recipients = getRecipientsFromFooters(accountResolver, updatedPatchSet, footerLines); recipients.remove(me); if (newChange) { approvalsUtil.addReviewers(db, labelTypes, updatedChange, updatedPatchSet, info, recipients.getReviewers(), Collections.<Account.Id>emptySet()); try { CreateChangeSender cm = createChangeSenderFactory.create(updatedChange); cm.setFrom(me); cm.setPatchSet(updatedPatchSet, info); cm.addReviewers(recipients.getReviewers()); cm.addExtraCC(recipients.getCcOnly()); cm.send(); } catch (Exception e) { log.error("Cannot send email for new change " + updatedChange.getId(), e); } } else { final List<PatchSetApproval> patchSetApprovals = db.patchSetApprovals() .byChange(updatedChange.getId()).toList(); final MailRecipients oldRecipients = getRecipientsFromApprovals(patchSetApprovals); approvalsUtil.addReviewers(db, labelTypes, updatedChange, updatedPatchSet, info, recipients.getReviewers(), oldRecipients.getAll()); final ChangeMessage msg = new ChangeMessage( new ChangeMessage.Key(updatedChange.getId(), ChangeUtil.messageUUID(db)), me, updatedPatchSet.getCreatedOn(), updatedPatchSet.getId()); msg.setMessage("Uploaded patch set " + updatedPatchSet.getPatchSetId() + "."); try { ReplacePatchSetSender cm = replacePatchSetFactory.create(updatedChange); cm.setFrom(me); cm.setPatchSet(updatedPatchSet, info); cm.setChangeMessage(msg); cm.addReviewers(recipients.getReviewers()); cm.addExtraCC(recipients.getCcOnly()); cm.send(); } catch (Exception e) { log.error("Cannot send email for new patch set " + updatedPatchSet.getId(), e); } } } finally { git.close(); } } }