org.sonar.server.util.MetricKeyValidator Maven / Gradle / Ivy
/*
* SonarQube
* Copyright (C) 2009-2017 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.server.util;
public class MetricKeyValidator {
/*
* Allowed characters are alphanumeric, '-', '_', with at least one non-digit
*/
private static final String VALID_METRIC_KEY_REGEXP = "[\\p{Alnum}\\-_]*[\\p{Alpha}\\-_]+[\\p{Alnum}\\-_]*";
private MetricKeyValidator() {
// static stuff only
}
/**
* Test if given parameter is valid for a project/module. Valid format is:
*
* - Allowed characters:
*
* - Uppercase ASCII letters A-Z
* - Lowercase ASCII letters a-z
* - ASCII digits 0-9
* - Punctuation signs dash '-', underscore '_'
*
*
* - At least one non-digit
*
* @param candidateKey
* @return true if candidateKey can be used for a metric
*/
public static boolean isMetricKeyValid(String candidateKey) {
return candidateKey.matches(VALID_METRIC_KEY_REGEXP);
}
public static String checkMetricKeyFormat(String candidateKey) {
if (!isMetricKeyValid(candidateKey)) {
throw new IllegalArgumentException(String.format("Malformed metric key '%s'. Allowed characters are alphanumeric, '-', '_', with at least one non-digit.",
candidateKey));
}
return candidateKey;
}
}