org.sonar.api.measures.MultisetDistributionFormat 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.api.measures;
import com.google.common.collect.Multiset;
import org.sonar.api.utils.KeyValueFormat;
/**
* Format internal {@link com.google.common.collect.Multiset} of {@link CountDistributionBuilder}
* and {@link RangeDistributionBuilder}
*/
class MultisetDistributionFormat {
private MultisetDistributionFormat() {
// only statics
}
static String format(Multiset countBag) {
StringBuilder sb = new StringBuilder();
boolean first = true;
for (Object obj : countBag.elementSet()) {
if (!first) {
sb.append(KeyValueFormat.PAIR_SEPARATOR);
}
sb.append(obj.toString());
sb.append(KeyValueFormat.FIELD_SEPARATOR);
// -1 allows to include zero values
sb.append(countBag.count(obj) - 1);
first = false;
}
return sb.toString();
}
}