| // 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.query.change; |
| |
| import com.google.gerrit.index.query.QueryParseException; |
| 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; |
| } |
| } |