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// Copyright (C) 2015 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.extensions.events;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Sets;
import com.google.gerrit.extensions.client.ListChangesOption;
import com.google.gerrit.extensions.common.AccountInfo;
import com.google.gerrit.extensions.common.ApprovalInfo;
import com.google.gerrit.extensions.common.ChangeInfo;
import com.google.gerrit.extensions.common.RevisionInfo;
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.Project;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.server.GpgException;
import com.google.gerrit.server.change.ChangeJson;
import com.google.gerrit.server.patch.PatchListNotAvailableException;
import com.google.gerrit.server.permissions.PermissionBackendException;
import com.google.gerrit.server.query.change.ChangeData;
import com.google.gwtorm.server.OrmException;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import java.io.IOException;
import java.sql.Timestamp;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@Singleton
public class EventUtil {
private static final Logger log = LoggerFactory.getLogger(EventUtil.class);
private static final ImmutableSet<ListChangesOption> CHANGE_OPTIONS;
static {
EnumSet<ListChangesOption> opts = EnumSet.allOf(ListChangesOption.class);
// Some options, like actions, are expensive to compute because they potentially have to walk
// lots of history and inspect lots of other changes.
opts.remove(ListChangesOption.CHANGE_ACTIONS);
opts.remove(ListChangesOption.CURRENT_ACTIONS);
// CHECK suppresses some exceptions on corrupt changes, which is not appropriate for passing
// through the event system as we would rather let them propagate.
opts.remove(ListChangesOption.CHECK);
CHANGE_OPTIONS = Sets.immutableEnumSet(opts);
}
private final ChangeData.Factory changeDataFactory;
private final Provider<ReviewDb> db;
private final ChangeJson.Factory changeJsonFactory;
@Inject
EventUtil(
ChangeJson.Factory changeJsonFactory,
ChangeData.Factory changeDataFactory,
Provider<ReviewDb> db) {
this.changeDataFactory = changeDataFactory;
this.db = db;
this.changeJsonFactory = changeJsonFactory;
}
public ChangeInfo changeInfo(Change change) throws OrmException {
return changeJsonFactory.create(CHANGE_OPTIONS).format(change);
}
public RevisionInfo revisionInfo(Project project, PatchSet ps)
throws OrmException, PatchListNotAvailableException, GpgException, IOException,
PermissionBackendException {
return revisionInfo(project.getNameKey(), ps);
}
public RevisionInfo revisionInfo(Project.NameKey project, PatchSet ps)
throws OrmException, PatchListNotAvailableException, GpgException, IOException,
PermissionBackendException {
ChangeData cd = changeDataFactory.create(db.get(), project, ps.getId().getParentKey());
return changeJsonFactory.create(CHANGE_OPTIONS).getRevisionInfo(cd, ps);
}
public AccountInfo accountInfo(Account a) {
if (a == null || a.getId() == null) {
return null;
}
AccountInfo accountInfo = new AccountInfo(a.getId().get());
accountInfo.email = a.getPreferredEmail();
accountInfo.name = a.getFullName();
accountInfo.username = a.getUserName();
return accountInfo;
}
public Map<String, ApprovalInfo> approvals(
Account a, Map<String, Short> approvals, Timestamp ts) {
Map<String, ApprovalInfo> result = new HashMap<>();
for (Map.Entry<String, Short> e : approvals.entrySet()) {
Integer value = e.getValue() != null ? Integer.valueOf(e.getValue()) : null;
result.put(e.getKey(), ChangeJson.getApprovalInfo(a.getId(), value, null, null, ts));
}
return result;
}
public void logEventListenerError(Object event, Object listener, Exception error) {
if (log.isDebugEnabled()) {
log.debug(
"Error in event listener {} for event {}",
listener.getClass().getName(),
event.getClass().getName(),
error);
} else {
log.warn(
"Error in event listener {} for event {}: {} - {}",
listener.getClass().getName(),
event.getClass().getName(),
error.getClass().getName(),
error.getMessage());
}
}
public static void logEventListenerError(Object listener, Exception error) {
if (log.isDebugEnabled()) {
log.debug("Error in event listener {}", listener.getClass().getName(), error);
} else {
log.warn("Error in event listener {}: {}", listener.getClass().getName(), error.getMessage());
}
}
}
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