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// Copyright (C) 2012 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.args4j;
import static com.google.gerrit.util.cli.Localizable.localizable;
import com.google.common.base.Splitter;
import com.google.common.flogger.FluentLogger;
import com.google.gerrit.entities.BranchNameKey;
import com.google.gerrit.entities.Change;
import com.google.gerrit.entities.Project;
import com.google.gerrit.exceptions.StorageException;
import com.google.gerrit.server.query.change.ChangeData;
import com.google.gerrit.server.query.change.InternalChangeQuery;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.assistedinject.Assisted;
import java.util.List;
import org.kohsuke.args4j.CmdLineException;
import org.kohsuke.args4j.CmdLineParser;
import org.kohsuke.args4j.OptionDef;
import org.kohsuke.args4j.spi.OptionHandler;
import org.kohsuke.args4j.spi.Parameters;
import org.kohsuke.args4j.spi.Setter;
public class ChangeIdHandler extends OptionHandler<Change.Id> {
private static final FluentLogger logger = FluentLogger.forEnclosingClass();
private final Provider<InternalChangeQuery> queryProvider;
@Inject
public ChangeIdHandler(
// TODO(dborowitz): Not sure whether this is injectable here.
Provider<InternalChangeQuery> queryProvider,
@Assisted CmdLineParser parser,
@Assisted OptionDef option,
@Assisted Setter<Change.Id> setter) {
super(parser, option, setter);
this.queryProvider = queryProvider;
}
@Override
public final int parseArguments(Parameters params) throws CmdLineException {
String token = params.getParameter(0);
List<String> tokens = Splitter.on(',').splitToList(token);
if (tokens.size() != 3) {
throw new CmdLineException(
owner, localizable("change should be specified as <project>,<branch>,<change-id>"));
}
try {
Change.Key key = Change.Key.parse(tokens.get(2));
Project.NameKey project = Project.nameKey(tokens.get(0));
BranchNameKey branch = BranchNameKey.create(project, tokens.get(1));
List<ChangeData> changes = queryProvider.get().byBranchKey(branch, key);
if (!changes.isEmpty()) {
if (changes.size() > 1) {
String msg = "\"%s\": resolves to multiple changes";
logger.atSevere().log(msg, token);
throw new CmdLineException(owner, localizable(msg), token);
}
setter.addValue(changes.get(0).getId());
return 1;
}
} catch (IllegalArgumentException e) {
throw new CmdLineException(owner, localizable("Change-Id is not valid: %s"), e.getMessage());
} catch (StorageException e) {
throw new CmdLineException(owner, localizable("Database error: %s"), e.getMessage());
}
throw new CmdLineException(owner, localizable("\"%s\": change not found"), token);
}
@Override
public final String getDefaultMetaVariable() {
return "CHANGE";
}
}