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// Copyright (C) 2017 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.util;
import com.google.common.base.Strings;
import com.google.gerrit.extensions.restapi.BadRequestException;
/** Utility functions to manipulate commit messages. */
public class CommitMessageUtil {
private CommitMessageUtil() {}
/**
* Checks for null or empty commit messages and appends a newline character to the commit message.
*
* @throws BadRequestException if the commit message is null or empty
* @returns the trimmed message with a trailing newline character
*/
public static String checkAndSanitizeCommitMessage(String commitMessage)
throws BadRequestException {
String wellFormedMessage = Strings.nullToEmpty(commitMessage).trim();
if (wellFormedMessage.isEmpty()) {
throw new BadRequestException("Commit message cannot be null or empty");
}
wellFormedMessage = wellFormedMessage + "\n";
return wellFormedMessage;
}
}
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