001/* 002 * SonarQube 003 * Copyright (C) 2009-2017 SonarSource SA 004 * mailto:info AT sonarsource DOT com 005 * 006 * This program is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * This program is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public License 017 * along with this program; if not, write to the Free Software Foundation, 018 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 019 */ 020package org.sonar.api.ce.measure.test; 021 022import com.google.common.collect.ImmutableSet; 023import java.util.List; 024import java.util.Set; 025import org.sonar.api.ce.measure.MeasureComputer; 026import org.sonar.api.measures.CoreMetrics; 027import org.sonar.api.measures.Metric; 028 029import static com.google.common.base.Preconditions.checkArgument; 030import static java.util.Arrays.asList; 031import static java.util.Objects.requireNonNull; 032 033public class TestMeasureComputerDefinition implements MeasureComputer.MeasureComputerDefinition { 034 035 private final Set<String> inputMetricKeys; 036 private final Set<String> outputMetrics; 037 038 private TestMeasureComputerDefinition(MeasureComputerDefinitionBuilderImpl builder) { 039 this.inputMetricKeys = ImmutableSet.copyOf(builder.inputMetricKeys); 040 this.outputMetrics = ImmutableSet.copyOf(builder.outputMetrics); 041 } 042 043 @Override 044 public Set<String> getInputMetrics() { 045 return inputMetricKeys; 046 } 047 048 @Override 049 public Set<String> getOutputMetrics() { 050 return outputMetrics; 051 } 052 053 public static class MeasureComputerDefinitionBuilderImpl implements Builder { 054 055 private String[] inputMetricKeys = new String[] {}; 056 private String[] outputMetrics; 057 058 @Override 059 public Builder setInputMetrics(String... inputMetrics) { 060 this.inputMetricKeys = validateInputMetricKeys(inputMetrics); 061 return this; 062 } 063 064 @Override 065 public Builder setOutputMetrics(String... outputMetrics) { 066 this.outputMetrics = validateOutputMetricKeys(outputMetrics); 067 return this; 068 } 069 070 @Override 071 public MeasureComputer.MeasureComputerDefinition build() { 072 validateInputMetricKeys(this.inputMetricKeys); 073 validateOutputMetricKeys(this.outputMetrics); 074 return new TestMeasureComputerDefinition(this); 075 } 076 077 private static String[] validateInputMetricKeys(String[] inputMetrics) { 078 requireNonNull(inputMetrics, "Input metrics cannot be null"); 079 checkNotNull(inputMetrics); 080 return inputMetrics; 081 } 082 083 private static String[] validateOutputMetricKeys(String[] outputMetrics) { 084 requireNonNull(outputMetrics, "Output metrics cannot be null"); 085 checkArgument(outputMetrics.length > 0, "At least one output metric must be defined"); 086 087 List<String> outputMetricKeys = asList(outputMetrics); 088 CoreMetrics.getMetrics().stream() 089 .map(Metric::getKey) 090 .forEach(metricKey -> checkArgument(!outputMetricKeys.contains(metricKey), "Core metrics are not allowed")); 091 checkNotNull(outputMetrics); 092 return outputMetrics; 093 } 094 095 private static void checkNotNull(String[] metrics) { 096 for (String metric : metrics) { 097 requireNonNull(metric, "Null metric is not allowed"); 098 } 099 } 100 } 101}