com.google.gerrit.server.submitrequirement.predicate.RegexAuthorEmailPredicate Maven / Gradle / Ivy
// Copyright (C) 2022 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.submitrequirement.predicate;
import com.google.gerrit.index.query.QueryParseException;
import com.google.gerrit.server.query.change.ChangeData;
import com.google.gerrit.server.query.change.SubmitRequirementPredicate;
import dk.brics.automaton.RegExp;
import dk.brics.automaton.RunAutomaton;
/**
* A submit requirement predicate that matches with changes having the author email's address
* matching a specific regular expression pattern.
*/
public class RegexAuthorEmailPredicate extends SubmitRequirementPredicate {
protected final RunAutomaton authorEmailPattern;
public RegexAuthorEmailPredicate(String pattern) throws QueryParseException {
super("authoremail", pattern);
if (pattern.startsWith("^")) {
pattern = pattern.substring(1);
}
if (pattern.endsWith("$") && !pattern.endsWith("\\$")) {
pattern = pattern.substring(0, pattern.length() - 1);
}
try {
this.authorEmailPattern = new RunAutomaton(new RegExp(pattern).toAutomaton());
} catch (IllegalArgumentException e) {
throw new QueryParseException(String.format("invalid regular expression: %s", pattern), e);
}
}
@Override
public boolean match(ChangeData cd) {
return authorEmailPattern.run(cd.getAuthor().getEmailAddress());
}
@Override
public int getCost() {
return 1;
}
}